零件库管理信息系统设计--part03：管理员登录部分设计

兄弟们，我又回来啦！

上次我把表建完了。今天来点干货，我们用ssm框架来先简单实现一下管理员的登录功能。

在实现之前，我对user表（管理员表）做了些简单的修改，先来看看：

忽略哪些蓝色的马赛克和乱输的数据，这个表一共5个字段，useraccountnum为账号，其他的都应该能看出来是什么。当然这里还是要说一句，这不是最终的表结构，以后根据需求还会修改的。

那么表有了，开始创建一个动态网页项目，这里我用的eclipse,项目是导的包，包如下：

本来想用maven配置包的，但想到自己对maven用的不熟练，算了，下次用maven做。

建好目录，项目结构如下：

项目名是pls,取得是parts,Library,System三个单词的首字母。服务器用的tomcat9,我觉得挺好用的。比myeclipse自带的服务器不知道快到哪里去了。

首先来看web.xml,代码如下:

 <?xml version="1.0" encoding="UTF-8"?>
 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
   <display-name>pls</display-name>
   <welcome-file-list>
     <welcome-file>login.html</welcome-file>
     <welcome-file>index.htm</welcome-file>
     <welcome-file>index.jsp</welcome-file>
     <welcome-file>default.html</welcome-file>
     <welcome-file>default.htm</welcome-file>
     <welcome-file>default.jsp</welcome-file>
   </welcome-file-list>

   <!-- 加载spring容器 -->
     <context-param>
         <param-name>contextConfigLocation</param-name>
         <param-value>/WEB-INF/classes/spring/applicationContext.xml,/WEB-INF/classes/spring/applicationContext-*.xml</param-value>
     </context-param>
     <listener>
         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
     </listener>    

     <!-- 编码过滤器 -->
     <filter>
         <filter-name>encodingFilter</filter-name>
         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
         <async-supported>true</async-supported>
         <init-param>
             <param-name>encoding</param-name>
             <param-value>UTF-8</param-value>
         </init-param>
     </filter>
     <filter-mapping>
         <filter-name>encodingFilter</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>

     <!-- Spring监听器 -->
     <listener>
         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
     </listener>

     <!-- Spring MVC servlet -->
     <servlet>
         <servlet-name>SpringMVC</servlet-name>
         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
         <init-param>
             <param-name>contextConfigLocation</param-name>
             <param-value>/WEB-INF/classes/spring/springmvc.xml</param-value>
         </init-param>
         <!--
         <load-on-startup>1</load-on-startup>
         <async-supported>true</async-supported>
         -->
     </servlet>
     <servlet-mapping>
         <servlet-name>SpringMVC</servlet-name>
         <url-pattern>*.action</url-pattern>
     </servlet-mapping>
     <welcome-file-list>
         <welcome-file>/index.jsp</welcome-file>
     </welcome-file-list>

 </web-app>

感觉没什么好说的，用处注释都写了，看下一项，config文件夹的目录结构：

一样一样来，先是applicationContext.xml:

 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
         http://www.springframework.org/schema/mvc
         http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-3.1.xsd
         http://www.springframework.org/schema/aop
         http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
         http://www.springframework.org/schema/tx
         http://www.springframework.org/schema/tx/spring-tx-3.1.xsd ">

     <!-- 加载配置文件 -->
     <context:property-placeholder location="classpath:db.properties" />
     <!-- 使用第三方的数据库连接池dbcp -->
     <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
         destroy-method="close">
         <property name="driverClassName" value="${jdbc.driver}" />
         <property name="url" value="${jdbc.url}" />
         <property name="username" value="${jdbc.username}" />
         <property name="password" value="${jdbc.password}" />
         <!-- 开发阶段数据库最大连接数建议设置小一点够用即可，设置为3 -->
         <property name="maxActive" value="${jdbc.maxActive}" />
         <property name="maxIdle" value="${jdbc.maxIdle}" />
     </bean>

     <!-- 事务管理 -->

     <!-- 事务管理器
     mybatis使用jdbc事务管理
      -->
     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
         <!-- 数据源 -->
         <property name="dataSource" ref="dataSource"/>
     </bean>

     <!-- 通知 -->
     <tx:advice id="txAdvice" transaction-manager="transactionManager">
         <!-- 配置传播行为 -->
         <tx:attributes>
             <tx:method name="save*" propagation="REQUIRED" />
             <tx:method name="insert*" propagation="REQUIRED"/>
             <tx:method name="update*" propagation="REQUIRED"/>
             <tx:method name="delete*" propagation="REQUIRED"/>
             <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
             <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
             <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
         </tx:attributes>
     </tx:advice>

     <!-- aop配置 -->
     <aop:config>
         <aop:advisor advice-ref="txAdvice"
          pointcut="execution(* com.pls.service.imp.*.*(..))"/>
     </aop:config>

 </beans>

然后是applicationContext-dao.xml:

 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
         http://www.springframework.org/schema/mvc
         http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-3.1.xsd
         http://www.springframework.org/schema/aop
         http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
         http://www.springframework.org/schema/tx
         http://www.springframework.org/schema/tx/spring-tx-3.1.xsd ">

 <!-- 配置SqlSessionFactory -->
 <bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
     <!-- 数据源 -->
     <property name="dataSource" ref="dataSource"/>
     <!-- 配置SqlMapConfig.xml -->
     <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml"/>
 </bean>

 <!-- 配置userDao -->
 <!-- <bean id="userDao" class="cn.itcast.ssm.dao.old.UserDaoImpl">
     注入会话工厂
     <property name="sqlSessionFactory" ref="sqlSessionFactoryBean"/>
 </bean> -->

 <!-- mapper动态代理 -->
 <!-- 配置userMapper
 MapperFactoryBean：用于生成 代理对象
  -->
 <!-- <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
    注入会话工厂
     <property name="sqlSessionFactory" ref="sqlSessionFactoryBean"/>
     mapper接口
     <property name="mapperInterface" value="cn.itcast.ssm.dao.mapper.UserMapper"/>
 </bean> -->

 <!-- 使用mapper批量扫描器扫描mapper接口
 规则：mapper.xml和mapper.java在一个目录 且同名即可
 扫描出来mapper，自动让spring容器注册，bean的id就是mapper类名(首字母小写)
  -->
 <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
     <!-- 会话工厂 -->
     <property name="sqlSessionFactoryBeanName" value="sqlSessionFactoryBean"/>
   <!-- 扫描包路径
   多个包中间用半角逗号分隔
    -->
     <property name="basePackage" value="com.pls.mapper"/>
 </bean>

 </beans>

这是以前学的时候用的配置文件，改了改继续拿来用，所以有大量注释掉的代码（我舍不得删.）

applicationContext-service.xml:

 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
         http://www.springframework.org/schema/mvc
         http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-3.1.xsd
         http://www.springframework.org/schema/aop
         http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
         http://www.springframework.org/schema/tx
         http://www.springframework.org/schema/tx/spring-tx-3.1.xsd ">

 <!--  用户管理 -->

 <bean id="plsService" class="com.pls.service.imp.PlsServiceImp"/>

 </beans>

这里我本来想用注解代替的，但不知怎么的注解没起作用，无法完成注入，有大神的话希望看到后面能为我指出原因。

springmvc-xml：

 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
         http://www.springframework.org/schema/mvc
         http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-3.1.xsd
         http://www.springframework.org/schema/aop
         http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
         http://www.springframework.org/schema/tx
         http://www.springframework.org/schema/tx/spring-tx-3.1.xsd ">

     <!-- 组件扫描 只扫描action -->
     <context:component-scan base-package="com.pls.controller" />

     <!-- 使用<mvc:annotation-driven />替换上边定义的处理器映射器和适配器 -->
     <mvc:annotation-driven />

     <!-- 视图解析器 解析jsp视图，默认使用jstl，要求classpath下有jstl的jar包 -->
     <bean
         class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <!-- 视图的前缀 -->
         <property name="prefix" value="/WEB-INF/jsp/" />
         <!-- 视图的后缀 -->
         <property name="suffix" value=".jsp" />

     </bean>

     <!--拦截器 -->
     <mvc:interceptors>

         <mvc:interceptor>
             <mvc:mapping path="/**" />
             <bean class="interceptor.LoginInterceptor"></bean>
         </mvc:interceptor>

     </mvc:interceptors>

 </beans>

还有：sqlmapconfig.xml:

 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE configuration
 PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
 "http://mybatis.org/dtd/mybatis-3-config.dtd">
 <configuration>

     <!-- 定义别名 -->
     <typeAliases>
         <package name="com.pls.po" />
     </typeAliases>
     <!-- 配置mapper映射文件 -->
     <mappers>
         <!-- 加载 原始dao使用映射文件 -->
         <!-- <mapper resource="sqlmap/User.xml" /> -->

         <!--批量mapper扫描 遵循规则：将mapper.xml和mapper.java文件放在一个目录 且文件名相同 -->
         <!-- <package name="cn.itcast.ssm.dao.mapper" /> -->
     </mappers>
 </configuration>

为什么<mappers>内没有代码？回去看dao的xml。

接下来是mapper的目录和po的目录：

这里共有八张表的接口和pojo，今天要涉及到的只有红圈的选中的部分。

这些mapper和pojo不全是自己写的，大部分还是利用mybatis的逆向工程生成的，生成的配置文件如下：

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE generatorConfiguration
   PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
   "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

 <generatorConfiguration>
     <context id="testTables" targetRuntime="MyBatis3">
         <commentGenerator>
             <!-- 是否去除自动生成的注释 true：是 ： false:否 -->
             <property name="suppressAllComments" value="true" />
         </commentGenerator>
         <!--数据库连接的信息：驱动类、连接地址、用户名、密码 -->
         <jdbcConnection driverClass="com.mysql.jdbc.Driver"
             connectionURL="jdbc:mysql://localhost:3306/partslibrarysystem" userId="root"
             password="202011">
         </jdbcConnection>
         <!-- <jdbcConnection driverClass="oracle.jdbc.OracleDriver"
             connectionURL="jdbc:oracle:thin:@127.0.0.1:1521:yycg"
             userId="yycg"
             password="yycg">
         </jdbcConnection> -->

         <!-- 默认false，把JDBC DECIMAL 和 NUMERIC 类型解析为 Integer，为 true时把JDBC DECIMAL 和
             NUMERIC 类型解析为java.math.BigDecimal -->
         <javaTypeResolver>
             <property name="forceBigDecimals" value="false" />
         </javaTypeResolver>

         <!-- targetProject:生成PO类的位置 -->

         <javaModelGenerator targetPackage="com.pls.po"
             targetProject=".\src">

             <!-- enableSubPackages:是否让schema作为包的后缀 -->

             <property name="enableSubPackages" value="false" />

             <!-- 从数据库返回的值被清理前后的空格 -->

             <property name="trimStrings" value="true" />
         </javaModelGenerator>

         <!-- targetProject:mapper映射文件生成的位置 -->
         <sqlMapGenerator targetPackage="com.pls.mapper"
             targetProject=".\src">
             <!-- enableSubPackages:是否让schema作为包的后缀 -->
             <property name="enableSubPackages" value="false" />
         </sqlMapGenerator>
         <!-- targetPackage：mapper接口生成的位置 -->
         <javaClientGenerator type="XMLMAPPER"
             targetPackage="com.pls.mapper"
             targetProject=".\src">
             <!-- enableSubPackages:是否让schema作为包的后缀 -->
             <property name="enableSubPackages" value="false" />
         </javaClientGenerator>
         <!-- 指定数据库表 -->
         <table schema="" tableName="allsortparts"></table>
         <table schema="" tableName="user"></table>
         <table schema="" tableName="bearing"></table>
         <table schema="" tableName="coupling"></table>
         <table schema="" tableName="electromotor"></table>
         <table schema="" tableName="fastener"></table>
         <table schema="" tableName="flange"></table>
         <table schema="" tableName="sealing_element"></table>

         <!-- 有些表的字段需要指定java类型
          <table schema="" tableName="">
             <columnOverride column="" javaType="" />
         </table> -->
     </context>
 </generatorConfiguration>

还需要这个java类：

 package gm;

 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;

 import org.mybatis.generator.api.MyBatisGenerator;
 import org.mybatis.generator.config.Configuration;
 import org.mybatis.generator.config.xml.ConfigurationParser;
 import org.mybatis.generator.internal.DefaultShellCallback;

 public class GeneratorSqlmap {

     public void generator() throws Exception{

         List<String> warnings = new ArrayList<String>();
         boolean overwrite = true;
         //指定逆向工程配置文件。
         File configFile = new File("generatorConfig.xml");
         ConfigurationParser cp = new ConfigurationParser(warnings);
         Configuration config = cp.parseConfiguration(configFile);
         DefaultShellCallback callback = new DefaultShellCallback(overwrite);
         MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config,
                 callback, warnings);
         myBatisGenerator.generate(null);

     }
     public static void main(String[] args) throws Exception {
         try {
             GeneratorSqlmap generatorSqlmap = new GeneratorSqlmap();
             generatorSqlmap.generator();
         } catch (Exception e) {
             e.printStackTrace();
         }

     }

 }

运行这个文件，mapper和pojo就自动帮你生成了，是不是很方便。

看一看mapper.xml和dao接口吧：

 package com.pls.mapper;

 import com.pls.po.User;
 import com.pls.po.UserExample;
 import java.util.List;
 import org.apache.ibatis.annotations.Param;

 public interface UserMapper {
     int countByExample(UserExample example);

     int deleteByExample(UserExample example);

     int deleteByPrimaryKey(Integer iduser);

     int insert(User record);

     int insertSelective(User record);

     List<User> selectByExample(UserExample example);

     User selectByPrimaryKey(Integer iduser);

     int updateByExampleSelective(@Param("record") User record, @Param("example") UserExample example);

     int updateByExample(@Param("record") User record, @Param("example") UserExample example);

     int updateByPrimaryKeySelective(User record);

     int updateByPrimaryKey(User record);

     User selectByUseraccountnum(String useraccountnum);

     List<User> getAllUser();

 }

 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
 <mapper namespace="com.pls.mapper.UserMapper" >
   <resultMap id="BaseResultMap" type="com.pls.po.User" >
     <id column="iduser" property="iduser" jdbcType="INTEGER" />
     <result column="username" property="username" jdbcType="VARCHAR" />
     <result column="userpassword" property="userpassword" jdbcType="VARCHAR" />
     <result column="useraccountnum" property="useraccountnum" jdbcType="VARCHAR" />
     <result column="useremail" property="useremail" jdbcType="VARCHAR" />
   </resultMap>
   <sql id="Example_Where_Clause" >
     <where >
       <foreach collection="oredCriteria" item="criteria" separator="or" >
         <if test="criteria.valid" >
           <trim prefix="(" suffix=")" prefixOverrides="and" >
             <foreach collection="criteria.criteria" item="criterion" >
               <choose >
                 <when test="criterion.noValue" >
                   and ${criterion.condition}
                 </when>
                 <when test="criterion.singleValue" >
                   and ${criterion.condition} #{criterion.value}
                 </when>
                 <when test="criterion.betweenValue" >
                   and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
                 </when>
                 <when test="criterion.listValue" >
                   and ${criterion.condition}
                   <foreach collection="criterion.value" item="listItem" open="(" close=")" separator="," >
                     #{listItem}
                   </foreach>
                 </when>
               </choose>
             </foreach>
           </trim>
         </if>
       </foreach>
     </where>
   </sql>
   <sql id="Update_By_Example_Where_Clause" >
     <where >
       <foreach collection="example.oredCriteria" item="criteria" separator="or" >
         <if test="criteria.valid" >
           <trim prefix="(" suffix=")" prefixOverrides="and" >
             <foreach collection="criteria.criteria" item="criterion" >
               <choose >
                 <when test="criterion.noValue" >
                   and ${criterion.condition}
                 </when>
                 <when test="criterion.singleValue" >
                   and ${criterion.condition} #{criterion.value}
                 </when>
                 <when test="criterion.betweenValue" >
                   and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
                 </when>
                 <when test="criterion.listValue" >
                   and ${criterion.condition}
                   <foreach collection="criterion.value" item="listItem" open="(" close=")" separator="," >
                     #{listItem}
                   </foreach>
                 </when>
               </choose>
             </foreach>
           </trim>
         </if>
       </foreach>
     </where>
   </sql>
   <sql id="Base_Column_List" >
     iduser, username, userpassword, useraccountnum, useremail
   </sql>
   <select id="selectByExample" resultMap="BaseResultMap" parameterType="com.pls.po.UserExample" >
     select
     <if test="distinct" >
       distinct
     </if>
     <include refid="Base_Column_List" />
     from user
     <if test="_parameter != null" >
       <include refid="Example_Where_Clause" />
     </if>
     <if test="orderByClause != null" >
       order by ${orderByClause}
     </if>
   </select>
   <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
     select
     <include refid="Base_Column_List" />
     from user
     where iduser = #{iduser,jdbcType=INTEGER}
   </select>
   <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
     delete from user
     where iduser = #{iduser,jdbcType=INTEGER}
   </delete>
   <delete id="deleteByExample" parameterType="com.pls.po.UserExample" >
     delete from user
     <if test="_parameter != null" >
       <include refid="Example_Where_Clause" />
     </if>
   </delete>
   <insert id="insert" parameterType="com.pls.po.User" >
     insert into user (iduser, username, userpassword,
       useraccountnum, useremail)
     values (#{iduser,jdbcType=INTEGER}, #{username,jdbcType=VARCHAR}, #{userpassword,jdbcType=VARCHAR},
       #{useraccountnum,jdbcType=VARCHAR}, #{useremail,jdbcType=VARCHAR})
   </insert>
   <insert id="insertSelective" parameterType="com.pls.po.User" >
     insert into user
     <trim prefix="(" suffix=")" suffixOverrides="," >
       <if test="iduser != null" >
         iduser,
       </if>
       <if test="username != null" >
         username,
       </if>
       <if test="userpassword != null" >
         userpassword,
       </if>
       <if test="useraccountnum != null" >
         useraccountnum,
       </if>
       <if test="useremail != null" >
         useremail,
       </if>
     </trim>
     <trim prefix="values (" suffix=")" suffixOverrides="," >
       <if test="iduser != null" >
         #{iduser,jdbcType=INTEGER},
       </if>
       <if test="username != null" >
         #{username,jdbcType=VARCHAR},
       </if>
       <if test="userpassword != null" >
         #{userpassword,jdbcType=VARCHAR},
       </if>
       <if test="useraccountnum != null" >
         #{useraccountnum,jdbcType=VARCHAR},
       </if>
       <if test="useremail != null" >
         #{useremail,jdbcType=VARCHAR},
       </if>
     </trim>
   </insert>
   <select id="countByExample" parameterType="com.pls.po.UserExample" resultType="java.lang.Integer" >
     select count(*) from user
     <if test="_parameter != null" >
       <include refid="Example_Where_Clause" />
     </if>
   </select>
   <update id="updateByExampleSelective" parameterType="map" >
     update user
     <set >
       <if test="record.iduser != null" >
         iduser = #{record.iduser,jdbcType=INTEGER},
       </if>
       <if test="record.username != null" >
         username = #{record.username,jdbcType=VARCHAR},
       </if>
       <if test="record.userpassword != null" >
         userpassword = #{record.userpassword,jdbcType=VARCHAR},
       </if>
       <if test="record.useraccountnum != null" >
         useraccountnum = #{record.useraccountnum,jdbcType=VARCHAR},
       </if>
       <if test="record.useremail != null" >
         useremail = #{record.useremail,jdbcType=VARCHAR},
       </if>
     </set>
     <if test="_parameter != null" >
       <include refid="Update_By_Example_Where_Clause" />
     </if>
   </update>
   <update id="updateByExample" parameterType="map" >
     update user
     set iduser = #{record.iduser,jdbcType=INTEGER},
       username = #{record.username,jdbcType=VARCHAR},
       userpassword = #{record.userpassword,jdbcType=VARCHAR},
       useraccountnum = #{record.useraccountnum,jdbcType=VARCHAR},
       useremail = #{record.useremail,jdbcType=VARCHAR}
     <if test="_parameter != null" >
       <include refid="Update_By_Example_Where_Clause" />
     </if>
   </update>
   <update id="updateByPrimaryKeySelective" parameterType="com.pls.po.User" >
     update user
     <set >
       <if test="username != null" >
         username = #{username,jdbcType=VARCHAR},
       </if>
       <if test="userpassword != null" >
         userpassword = #{userpassword,jdbcType=VARCHAR},
       </if>
       <if test="useraccountnum != null" >
         useraccountnum = #{useraccountnum,jdbcType=VARCHAR},
       </if>
       <if test="useremail != null" >
         useremail = #{useremail,jdbcType=VARCHAR},
       </if>
     </set>
     where iduser = #{iduser,jdbcType=INTEGER}
   </update>
   <update id="updateByPrimaryKey" parameterType="com.pls.po.User" >
     update user
     set username = #{username,jdbcType=VARCHAR},
       userpassword = #{userpassword,jdbcType=VARCHAR},
       useraccountnum = #{useraccountnum,jdbcType=VARCHAR},
       useremail = #{useremail,jdbcType=VARCHAR}
     where iduser = #{iduser,jdbcType=INTEGER}
   </update>

   <!-- 上面是机器生成的代码，以下是自己写的 -->
   <select id="selectByUseraccountnum" resultMap="BaseResultMap" parameterType="java.lang.String" >
     select
     <include refid="Base_Column_List" />
     from user
     where useraccountnum = #{useraccountnum,jdbcType=VARCHAR}
   </select>

   <select id="getAllUser" resultMap="BaseResultMap" >
     select * from user
   </select>

 </mapper>

user.java没什么好说的，但还是贴上来：

 package com.pls.po;

 public class User {
     private Integer iduser;

     private String username;

     private String userpassword;

     private String useraccountnum;

     private String useremail;

     public Integer getIduser() {
         return iduser;
     }

     public void setIduser(Integer iduser) {
         this.iduser = iduser;
     }

     public String getUsername() {
         return username;
     }

     public void setUsername(String username) {
         this.username = username == null ? null : username.trim();
     }

     public String getUserpassword() {
         return userpassword;
     }

     public void setUserpassword(String userpassword) {
         this.userpassword = userpassword == null ? null : userpassword.trim();
     }

     public String getUseraccountnum() {
         return useraccountnum;
     }

     public void setUseraccountnum(String useraccountnum) {
         this.useraccountnum = useraccountnum == null ? null : useraccountnum.trim();
     }

     public String getUseremail() {
         return useremail;
     }

     public void setUseremail(String useremail) {
         this.useremail = useremail == null ? null : useremail.trim();
     }

     @Override
     public String toString() {
         return "User [iduser=" + iduser + ", username=" + username + ", userpassword=" + userpassword
                 + ", useraccountnum=" + useraccountnum + ", useremail=" + useremail + "]";
     }

 }

userExample看了下，有点晕：

 package com.pls.po;

 import java.util.ArrayList;
 import java.util.List;

 public class UserExample {
     protected String orderByClause;

     protected boolean distinct;

     protected List<Criteria> oredCriteria;

     public UserExample() {
         oredCriteria = new ArrayList<Criteria>();
     }

     public void setOrderByClause(String orderByClause) {
         this.orderByClause = orderByClause;
     }

     public String getOrderByClause() {
         return orderByClause;
     }

     public void setDistinct(boolean distinct) {
         this.distinct = distinct;
     }

     public boolean isDistinct() {
         return distinct;
     }

     public List<Criteria> getOredCriteria() {
         return oredCriteria;
     }

     public void or(Criteria criteria) {
         oredCriteria.add(criteria);
     }

     public Criteria or() {
         Criteria criteria = createCriteriaInternal();
         oredCriteria.add(criteria);
         return criteria;
     }

     public Criteria createCriteria() {
         Criteria criteria = createCriteriaInternal();
         if (oredCriteria.size() == 0) {
             oredCriteria.add(criteria);
         }
         return criteria;
     }

     protected Criteria createCriteriaInternal() {
         Criteria criteria = new Criteria();
         return criteria;
     }

     public void clear() {
         oredCriteria.clear();
         orderByClause = null;
         distinct = false;
     }

     protected abstract static class GeneratedCriteria {
         protected List<Criterion> criteria;

         protected GeneratedCriteria() {
             super();
             criteria = new ArrayList<Criterion>();
         }

         public boolean isValid() {
             return criteria.size() > 0;
         }

         public List<Criterion> getAllCriteria() {
             return criteria;
         }

         public List<Criterion> getCriteria() {
             return criteria;
         }

         protected void addCriterion(String condition) {
             if (condition == null) {
                 throw new RuntimeException("Value for condition cannot be null");
             }
             criteria.add(new Criterion(condition));
         }

         protected void addCriterion(String condition, Object value, String property) {
             if (value == null) {
                 throw new RuntimeException("Value for " + property + " cannot be null");
             }
             criteria.add(new Criterion(condition, value));
         }

         protected void addCriterion(String condition, Object value1, Object value2, String property) {
             if (value1 == null || value2 == null) {
                 throw new RuntimeException("Between values for " + property + " cannot be null");
             }
             criteria.add(new Criterion(condition, value1, value2));
         }

         public Criteria andIduserIsNull() {
             addCriterion("iduser is null");
             return (Criteria) this;
         }

         public Criteria andIduserIsNotNull() {
             addCriterion("iduser is not null");
             return (Criteria) this;
         }

         public Criteria andIduserEqualTo(Integer value) {
             addCriterion("iduser =", value, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserNotEqualTo(Integer value) {
             addCriterion("iduser <>", value, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserGreaterThan(Integer value) {
             addCriterion("iduser >", value, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserGreaterThanOrEqualTo(Integer value) {
             addCriterion("iduser >=", value, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserLessThan(Integer value) {
             addCriterion("iduser <", value, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserLessThanOrEqualTo(Integer value) {
             addCriterion("iduser <=", value, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserIn(List<Integer> values) {
             addCriterion("iduser in", values, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserNotIn(List<Integer> values) {
             addCriterion("iduser not in", values, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserBetween(Integer value1, Integer value2) {
             addCriterion("iduser between", value1, value2, "iduser");
             return (Criteria) this;
         }

         public Criteria andIduserNotBetween(Integer value1, Integer value2) {
             addCriterion("iduser not between", value1, value2, "iduser");
             return (Criteria) this;
         }

         public Criteria andUsernameIsNull() {
             addCriterion("username is null");
             return (Criteria) this;
         }

         public Criteria andUsernameIsNotNull() {
             addCriterion("username is not null");
             return (Criteria) this;
         }

         public Criteria andUsernameEqualTo(String value) {
             addCriterion("username =", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameNotEqualTo(String value) {
             addCriterion("username <>", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameGreaterThan(String value) {
             addCriterion("username >", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameGreaterThanOrEqualTo(String value) {
             addCriterion("username >=", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameLessThan(String value) {
             addCriterion("username <", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameLessThanOrEqualTo(String value) {
             addCriterion("username <=", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameLike(String value) {
             addCriterion("username like", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameNotLike(String value) {
             addCriterion("username not like", value, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameIn(List<String> values) {
             addCriterion("username in", values, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameNotIn(List<String> values) {
             addCriterion("username not in", values, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameBetween(String value1, String value2) {
             addCriterion("username between", value1, value2, "username");
             return (Criteria) this;
         }

         public Criteria andUsernameNotBetween(String value1, String value2) {
             addCriterion("username not between", value1, value2, "username");
             return (Criteria) this;
         }

         public Criteria andUserpasswordIsNull() {
             addCriterion("userpassword is null");
             return (Criteria) this;
         }

         public Criteria andUserpasswordIsNotNull() {
             addCriterion("userpassword is not null");
             return (Criteria) this;
         }

         public Criteria andUserpasswordEqualTo(String value) {
             addCriterion("userpassword =", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordNotEqualTo(String value) {
             addCriterion("userpassword <>", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordGreaterThan(String value) {
             addCriterion("userpassword >", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordGreaterThanOrEqualTo(String value) {
             addCriterion("userpassword >=", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordLessThan(String value) {
             addCriterion("userpassword <", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordLessThanOrEqualTo(String value) {
             addCriterion("userpassword <=", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordLike(String value) {
             addCriterion("userpassword like", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordNotLike(String value) {
             addCriterion("userpassword not like", value, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordIn(List<String> values) {
             addCriterion("userpassword in", values, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordNotIn(List<String> values) {
             addCriterion("userpassword not in", values, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordBetween(String value1, String value2) {
             addCriterion("userpassword between", value1, value2, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUserpasswordNotBetween(String value1, String value2) {
             addCriterion("userpassword not between", value1, value2, "userpassword");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumIsNull() {
             addCriterion("useraccountnum is null");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumIsNotNull() {
             addCriterion("useraccountnum is not null");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumEqualTo(String value) {
             addCriterion("useraccountnum =", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumNotEqualTo(String value) {
             addCriterion("useraccountnum <>", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumGreaterThan(String value) {
             addCriterion("useraccountnum >", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumGreaterThanOrEqualTo(String value) {
             addCriterion("useraccountnum >=", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumLessThan(String value) {
             addCriterion("useraccountnum <", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumLessThanOrEqualTo(String value) {
             addCriterion("useraccountnum <=", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumLike(String value) {
             addCriterion("useraccountnum like", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumNotLike(String value) {
             addCriterion("useraccountnum not like", value, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumIn(List<String> values) {
             addCriterion("useraccountnum in", values, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumNotIn(List<String> values) {
             addCriterion("useraccountnum not in", values, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumBetween(String value1, String value2) {
             addCriterion("useraccountnum between", value1, value2, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseraccountnumNotBetween(String value1, String value2) {
             addCriterion("useraccountnum not between", value1, value2, "useraccountnum");
             return (Criteria) this;
         }

         public Criteria andUseremailIsNull() {
             addCriterion("useremail is null");
             return (Criteria) this;
         }

         public Criteria andUseremailIsNotNull() {
             addCriterion("useremail is not null");
             return (Criteria) this;
         }

         public Criteria andUseremailEqualTo(String value) {
             addCriterion("useremail =", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailNotEqualTo(String value) {
             addCriterion("useremail <>", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailGreaterThan(String value) {
             addCriterion("useremail >", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailGreaterThanOrEqualTo(String value) {
             addCriterion("useremail >=", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailLessThan(String value) {
             addCriterion("useremail <", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailLessThanOrEqualTo(String value) {
             addCriterion("useremail <=", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailLike(String value) {
             addCriterion("useremail like", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailNotLike(String value) {
             addCriterion("useremail not like", value, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailIn(List<String> values) {
             addCriterion("useremail in", values, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailNotIn(List<String> values) {
             addCriterion("useremail not in", values, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailBetween(String value1, String value2) {
             addCriterion("useremail between", value1, value2, "useremail");
             return (Criteria) this;
         }

         public Criteria andUseremailNotBetween(String value1, String value2) {
             addCriterion("useremail not between", value1, value2, "useremail");
             return (Criteria) this;
         }
     }

     public static class Criteria extends GeneratedCriteria {

         protected Criteria() {
             super();
         }
     }

     public static class Criterion {
         private String condition;

         private Object value;

         private Object secondValue;

         private boolean noValue;

         private boolean singleValue;

         private boolean betweenValue;

         private boolean listValue;

         private String typeHandler;

         public String getCondition() {
             return condition;
         }

         public Object getValue() {
             return value;
         }

         public Object getSecondValue() {
             return secondValue;
         }

         public boolean isNoValue() {
             return noValue;
         }

         public boolean isSingleValue() {
             return singleValue;
         }

         public boolean isBetweenValue() {
             return betweenValue;
         }

         public boolean isListValue() {
             return listValue;
         }

         public String getTypeHandler() {
             return typeHandler;
         }

         protected Criterion(String condition) {
             super();
             this.condition = condition;
             this.typeHandler = null;
             this.noValue = true;
         }

         protected Criterion(String condition, Object value, String typeHandler) {
             super();
             this.condition = condition;
             this.value = value;
             this.typeHandler = typeHandler;
             if (value instanceof List<?>) {
                 this.listValue = true;
             } else {
                 this.singleValue = true;
             }
         }

         protected Criterion(String condition, Object value) {
             this(condition, value, null);
         }

         protected Criterion(String condition, Object value, Object secondValue, String typeHandler) {
             super();
             this.condition = condition;
             this.value = value;
             this.secondValue = secondValue;
             this.typeHandler = typeHandler;
             this.betweenValue = true;
         }

         protected Criterion(String condition, Object value, Object secondValue) {
             this(condition, value, secondValue, null);
         }
     }
 }

service接口就不看了，直接看实现类代码：

 package com.pls.service.imp;

 import java.util.List;

 import javax.annotation.Resource;

 import org.springframework.stereotype.Service;

 import com.pls.mapper.UserMapper;
 import com.pls.po.User;
 import com.pls.po.UserExample;
 import com.pls.po.UserExample.Criteria;
 import com.pls.service.PlsService;

 @Service("plsService")
 public class PlsServiceImp implements PlsService {

     @Resource
     private UserMapper userDao;

     @Override
     public User getUserById(int iduser) {
         // TODO Auto-generated method stub
         return this.userDao.selectByPrimaryKey(iduser);
     }

     @Override
     public List<User> getAllUser() {
         // TODO Auto-generated method stub
         //List<User> list;

         //UserExample e=new UserExample();

         List<User> list=this.userDao.getAllUser();

         return list;
     }

     //根据用户名查找用户，主要用于登录时验证密码
     @Override
     public User getUserByUseraccountnum(String useraccountnum){

         //UserExample example= new UserExample();
         //Criteria criteria=example.createCriteria();
         //criteria.andUseraccountnumEqualTo(useraccountnum);
         User user=this.userDao.selectByUseraccountnum(useraccountnum);

         return user;
     }

     //删除方法
     @Override
     public void deleteUser(int iduser){
         this.userDao.deleteByPrimaryKey(iduser);
     }

     //根据名字或账号查询方法
     @Override
     public List<User> findByNameOrAccountnum(String nameOrAccountnum){
         UserExample e1=new UserExample();
         Criteria c1=e1.createCriteria();
         c1.andUsernameLike("%"+nameOrAccountnum+"%");
         List<User> list=this.userDao.selectByExample(e1);
         UserExample e2=new UserExample();
         Criteria c2=e2.createCriteria();
         c2.andUseraccountnumLike("%"+nameOrAccountnum+"%");
         list.addAll(this.userDao.selectByExample(e2));
         return list;
     }

     //插入的方法
     @Override
     public int insertUser(User user){

         int iduser=this.userDao.insert(user);

         return iduser;
     }

     //更新用户
     @Override
     public int updateUser(User User){

         int iduser=this.userDao.updateByPrimaryKey(User);

         return iduser;

     }
 }

控制层目录：

先看userController:

 package com.pls.controller;

 import javax.servlet.http.HttpServletRequest;

 import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;

 import com.pls.po.User;
 import com.pls.service.PlsService;

 @Controller
 @RequestMapping("/log")
 public class UserController {

     ApplicationContext ac = new ClassPathXmlApplicationContext(new String[] { "spring/applicationContext.xml",
             "spring/applicationContext-dao.xml", "spring/applicationContext-service.xml" });
     PlsService plsService = (PlsService) ac.getBean("plsService");

     //用于验证用户密码是否输入正确
     @RequestMapping("/submit")
     public String toIndex(HttpServletRequest request, Model model, String useraccountnum, String password) {

         User user = this.plsService.getUserByUseraccountnum(useraccountnum);
         if (user != null) {
             if (user.getUserpassword().equals(password)) {

                 model.addAttribute("user", user);
                 model.addAttribute("iduser", user.getIduser());
                 return "index";

             } else {
                 return "error";
             }
         } else {
             return "error";
         }

     }

     //跳转到登录页面
     @RequestMapping("/login")
     public String login(Model model) throws Exception {

         return "login";
     }

 }

本来想用注解直接注入service的，结果一直报空指针错误，注入不成功，没办法只好用导配置文件的方式，不知道哪位大神能给我指点一下，说一下那个地方出错了。

这里我就不按action一个一个给你们看jsp页面及实现效果了，现在已经快12点了，我待会儿集中放后面。

manageController:

 package com.pls.controller;

 import java.util.List;

 import javax.servlet.http.HttpServletRequest;

 import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;

 import com.pls.po.User;
 import com.pls.service.PlsService;

 @Controller
 @RequestMapping("/manage")
 public class MannageController {

     ApplicationContext ac = new ClassPathXmlApplicationContext(new String[] { "spring/applicationContext.xml",
             "spring/applicationContext-dao.xml", "spring/applicationContext-service.xml" });
     PlsService plsService = (PlsService) ac.getBean("plsService");

     @RequestMapping("/showUser")
     public String showUser(Model model) throws Exception {

         List<User> list = this.plsService.getAllUser();
         model.addAttribute("list", list);

         return "showUser";
     }

     @RequestMapping(value = "/deleteUser/{iduser}", method = RequestMethod.GET)
     public String deleteUser(HttpServletRequest request, Model model, @PathVariable int iduser) throws Exception {

         this.plsService.deleteUser(iduser);
         List<User> list = this.plsService.getAllUser();
         model.addAttribute("list", list);

         return "showUser";
     }

     @RequestMapping("/findUser")
     public String findUser(HttpServletRequest request, Model model, String nameOrAccountnum) throws Exception {

         // this.plsService.findByNameOrAccountnum(nameOrAccountnum);
         List<User> list = this.plsService.findByNameOrAccountnum(nameOrAccountnum);
         model.addAttribute("list", list);

         return "showUser";
     }

     // 跳转到填加管理员页面
     @RequestMapping("/addManage")
     public String addManage(Model model) throws Exception {

         return "addManage";
     }

     // 添加管理员
     @RequestMapping("/submitUser")
     public String submitUser(HttpServletRequest request, Model model, String accountnum, String userpassword,
             String username, String Email) throws Exception {

         User user = new User();
         user.setUseraccountnum(accountnum);
         user.setUseremail(Email);
         user.setUsername(username);
         user.setUserpassword(userpassword);

         int iduser = this.plsService.insertUser(user);

         if (iduser > 0) {

             List<User> list = this.plsService.getAllUser();
             model.addAttribute("list", list);

             return "showUser";
         }

         return "addUserError";
     }

     // 修改管理员
     @RequestMapping(value = "/updateUser/{iduser}", method = RequestMethod.GET)
     public String updateUser(HttpServletRequest request, Model model, @PathVariable int iduser) throws Exception {

         User user = this.plsService.getUserById(iduser);
         model.addAttribute("user", user);

         return "updateManage";
     }

     // 提交修改的管理员
     @RequestMapping("/updateUserSubmit")
     public String updateSubmitUser(HttpServletRequest request, Model model, String accountnum, String userpassword,
             String username, String Email, int iduser) throws Exception {

         User user = new User();
         user.setUseraccountnum(accountnum);
         user.setUseremail(Email);
         user.setUsername(username);
         user.setUserpassword(userpassword);
         user.setIduser(iduser);

         if (this.plsService.updateUser(user) > 0) {

             List<User> list = this.plsService.getAllUser();
             model.addAttribute("list", list);

             return "showUser";
         }
         return null;
     }

 }

webContent目录：

jsp页面代码，依次序排列：

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
     <title></title>
     <meta charset="UTF-8">
     <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/bootstrap.css" />
     <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/style.css" />
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquery2.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquery2.sorted.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/bootstrap.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/ckform.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/common.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquerypicture.js"></script>

     <style type="text/css">
         body {font-size: 20px;
             padding-bottom: 40px;
             background-color:#e9e7ef;
         }
         .sidebar-nav {
             padding: 9px 0;
         }

         @media (max-width: 980px) {
             /* Enable use of floated navbar text */
             .navbar-text.pull-right {
                 float: none;
                 padding-left: 5px;
                 padding-right: 5px;
             }
         }

     </style>
 </head>
 <body>
 <br>
  <font color="#777777"><strong>请填写管理员资料：</strong></font>
 <form action="${pageContext.request.contextPath }/manage/submitUser.action" method="post" class="definewidth m20" >
 <table class="table table-bordered table-hover m10" style="margin-left:10px;margin-top:3px;">

    <br>
     <tr>
         <td class="tableleft">账号</td>
         <td><input type="text" name="accountnum"  /></td>
         <td class="tableleft">密码</td>
         <td><input type="text" name="userpassword"  /></td>
     </tr>
     <tr>
         <td class="tableleft">姓名</td>
         <td><input type="text" name="username"   /></td>
         <td class="tableleft">邮箱</td>
         <td><input type="text" name="Email"  /></td>
     </tr>

 </table>
 <br>
 &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp<button type="submit" onclick="${pageContext.request.contextPath }/manage/submitUser.action" class="btn btn-primary">提交</button>
 </form>
  <img src="" id="img0" > 

 <script>
 $("#GoodsPicture").change(function(){
     var objUrl = getObjectURL(this.files[0]) ;
     console.log("objUrl = "+objUrl) ;
     if (objUrl) {
         $("#img0").attr("src", objUrl) ;
     }
 }) ;

 </body>
 </html>
 <script>
    $(function (){
         $('#backid').click(function(){
                 window.location.href="goodsQuery.html";
          });
     });

 </script>

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html lang="zh">
 <head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>插入用户错误错误</title>

 </head>
 <body>

 <h1>插入用户错误错误</h1>

 </body>
 </html>

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html lang="zh">
 <head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>错误</title>

 </head>
 <body>

 <h1>不存在的用户或用户名密码错误</h1>

 </body>
 </html>

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>
 <head>
 <meta charset="utf-8">
 <title>零件库管理系统</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <link href="../html/Css/adminStyle.css" rel="stylesheet" type="text/css" />

 <title>零件库管理系统</title>
 <script type="text/javascript" src="../html/js/jquery1.js"></script>
 <script type="text/javascript">
     $(document).ready(
             function() {
                 $(".div2").click(
                         function() {
                             $(this).next("div").slideToggle("slow").siblings(
                                     ".div3:visible").slideUp("slow");
                         });
             });
     function openurl(url) {
         var rframe = parent.document.getElementById("rightFrame");
         rframe.src = url;
     }
 </script>
 <style>
 body {
     margin: 0;
     font-family: 微软雅黑;
     background-image: url(images/.jpg);
     background-repeat: no-repea;
     background-size: cover;
     background-attachment: fixed;
     background-color: #DDDDDD

 }

 .top1 {
     position: absolute;
     top: 0px;
     width: 100%;
     height: 20px;
     text-align: center;
     color: #FFFFFF;
     font-size: 17px;
     font-height: 20px;
     font-family: 楷体;
     background-color: #888888
 }

 .title {
 float:left;
     margin:-32px 20px;
     font-size: 40px;
     color: #FFFFFF;
     font-height: 55px;
     font-family: 隶书;
 }

 .top2 {
     position: absolute;
     top: 20px;
     width: 100%;
     height: 77px;
     text-align: center;
     color: #ccffff;
     background-color: #888888
 }

 .left {
     position: absolute;
     left: 0px;
     top: 97px;
     width: 200px;
     height: 85%;
     border-right: 1px solid #9370DB;
     color: #000000;
     font-size: 20px;
     text-align: center;
     background-color: #B3B3B3
 }

 .right {
     position: absolute;
     left: 200px;
     top:97px;
     width: 85.2%;
     height: 85%;
     border-top: 0px solid #484860;
     font-size: 14px;
     text-align: center;
 }

 .end {
     position: absolute;
     bottom: 0px;
     width: 100%;
     height: 30px;
     text-align: center;
     color: #556B2F;
     font-size: 17px;
     font-height: 20px;
     font-family: 楷体;
     background-color: #C0C0C0
 }

 .div1 {
     text-align: center;
     width: 200px;
     padding-top: 10px;
 }

 .div2 {
     height: 40px;
     line-height: 40px;
     cursor: pointer;
     font-size: 18px;
     position: relative;
     border-bottom: #ccc 0px dotted;
 }

 .spgl {
     position: absolute;
     height: 20px;
     width: 20px;
     left: 40px;
     top: 10px;
     background: url(images/1.png);
 }

 .yhgl {
     position: absolute;
     height: 20px;
     width: 20px;
     left: 40px;
     top: 10px;
     background: url(images/4.png);
 }

 .gggl {
     position: absolute;
     height: 20px;
     width: 20px;
     left: 40px;
     top: 10px;
     background: url(images/4.png);
 }

 .zlgl {
     position: absolute;
     height: 20px;
     width: 20px;
     left: 40px;
     top: 10px;
     background: url(images/4.png);
 }

 .pjgl {
     position: absolute;
     height: 20px;
     width: 20px;
     left: 40px;
     top: 10px;
     background: url(images/4.png);
 }

 .tcht {
     position: absolute;
     height: 20px;
     width: 20px;
     left: 40px;
     top: 10px;
     background: url(images/2.png);
 }

 .div3 {
     display: none;
     cursor: pointer;
     font-size: 15px;
 }

 .div3 ul {
     margin: 0;
     padding: 0;
 }

 .div3 li {
     height: 30px;
     line-height: 30px;
     list-style: none;
     border-bottom: #ccc 1px dotted;
     text-align: center;
 }

 .a {
     text-decoration: none;
     color: #000000;
     font-size: 15px;
 }

 .a1 {
     text-decoration: none;
     color: #000000;
     font-size: 18px;
 }
 </style>
 </head>
 <body>

     <div class="top1">
         <marquee scrollAmount=2 width=300>数据无价，请谨慎操作！</marquee>
     </div>
     <div class="top2">
         <div class="logo">
             <img src="../html/images/admin_logo.png" title="在哪儿" />
         </div>
         <div class="title" >
             <h3>零件库管理系统</h3>
         </div>
         <div class="fr top-link">
             <a href="admin_list.html" target="mainCont" title="DeathGhost"><i
                 class="adminIcon"></i><span>管理员：${user.username }</span></a>
         </div>
     </div>

     <div class="left">
         <div class="div1">
             <div class="left_top">
                 <img src="../html/images/bbb_01.jpg"><img src="../html/images/bbb_02.jpg"
                     id="2"><img src="../html/images/bbb_03.jpg"><img
                     src="../html/images/bbb_04.jpg">
             </div>

            <div class="div2">
                 <div class="spgl"></div>
                 视频管理
             </div>
             <div class="div3">
                 <li><a class="a" href="javascript:void(0);"
                     onClick="openurl('videoQuery.html');">查看所有视频</a></li>
                 <li><a class="a" href="javascript:void(0);"
                     onClick="openurl('uservideoQuery.html');">用户视频列表</a></li>

             </div>
             <div class="div2">
                 <div class="spgl"></div>
                 文档管理
             </div>
             <div class="div3">
                 <ul>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('documentQuery.html');">查看所有文档</a></li>
                         <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('userdocumentQuery.html');">用户文档列表</a></li>

                 </ul>
             </div>
             <div class="div2">
                 <div class="spgl"></div>
                 类别管理
             </div>
             <div class="div3">
                 <ul>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('classQuery.html');">大类信息</a></li>

                 </ul>
             </div>
             <div class="div2">
                 <div class="yhgl"></div>
                 用户管理
             </div>
             <div class="div3">
                 <ul>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('studentQuery.html');">学生管理</a></li>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('${pageContext.request.contextPath }/manage/showUser.action');">老师管理</a></li>
                 </ul>
             </div>

             <div class="div2">
                 <div class="gggl"></div>
                 评价管理
             </div>
             <div class="div3">

                 <ul>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('deletecomment.html');">评价删除</a></li>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('useredit.html');">用户禁言</a></li>
                 </ul>

             </div>
             <div class="div2">
                 <div class="pjgl"></div>
                 公告管理
             </div>
             <div class="div3">
                 <ul>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('afficheQuery.html');">查看公告</a></li>
                     <li><a class="a" href="javascript:void(0);"
                         onClick="openurl('afficheAdd.html');">添加公告</a></li>
                 </ul>
             </div>
             <a class="a1" href="login.html"><div class="div2">
                     <div class="tcht"></div>
                     退出后台
                 </div></a>
         </div>
     </div>

     <div class="right">
         <iframe id="rightFrame" name="rightFrame" width="100%" height="100%"
             scrolling="auto" marginheight="0" marginwidth="0" align="center"
             style="border: 0px solid #CCC; margin: 0; padding: 0;"></iframe>
     </div>

 </body>
 </html>

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html lang="zh">
 <head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>零件库管理系统登录界面</title>

 <link rel="stylesheet" type="text/css" href="../html/Css/styles.css">

 </head>
 <body>

 <div class="wrapper">

     <div class="container">
         <h1>零件库管理系统</h1>
         <form class="form" action="${pageContext.request.contextPath }/log/submit.action" method="post">
             <input type="text" placeholder="Username" name="useraccountnum">
             <input type="password" placeholder="Password" name="password"><br>
             <button type="submit" id="login-button" onclick="${pageContext.request.contextPath }/log/submit.action"><strong>登陆</strong></button>

         </form>
     </div>

     <ul class="bg-bubbles">
         <li></li>
         <li></li>

     </ul>

 </div>

 </body>
 </html>

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
 <title></title>
 <meta charset="UTF-8">
 <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/bootstrap.css" />
 <link rel="stylesheet" type="text/css"
     href="<%=request.getContextPath() %>/html/Css/bootstrap-responsive.css" />
 <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/style.css" />
 <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquery2.js"></script>
 <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquery2.sorted.js"></script>
 <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/bootstrap.js"></script>
 <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/ckform.js"></script>
 <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/common.js"></script>

 <style type="text/css">
 body {
     font-size: 20px;
     padding-bottom: 40px;
     background-color: #e9e7ef;
 }

 .sidebar-nav {
     padding: 9px 0;
 }

 @media ( max-width : 980px) {
     /* Enable use of floated navbar text */
     .navbar-text.pull-right {
         float: none;
         padding-left: 5px;
         padding-right: 5px;
     }
 }
 </style>
 </head>
 <body>
     <form class="form-inline definewidth m20" action="${pageContext.request.contextPath }/manage/findUser.action" method="post">
         <font color="#777777"><strong>管理员姓名或账号：</strong></font> <input
             type="text" name="nameOrAccountnum" id="menuname" class="abc input-default"
             placeholder="" value="">&nbsp;&nbsp;
         <button type="submit" class="btn btn-primary">查询</button>
         <button type="button" id="addnew">
             <a href="${pageContext.request.contextPath }/manage/addManage.action">添加管理员</a>
         </button>
     </form>
     <table class="table table-bordered table-hover definewidth m10">
         <thead>
             <tr>
                 <th>管理员姓名</th>

                 <th>管理员账号</th>

                 <th>Email</th>
                 <th>注销账户</th>
                 <th>修改用户</th>
             </tr>
         </thead>
         <c:forEach items="${list}" var="manage">
         <tr>
             <!-- <a href="teacherdetail.html">nblyp</a>    -->
             <td>${manage.username }</td>

             <td>${manage.useraccountnum }</td>
             <td>${manage.useremail }</td>
             <!--
             <td><button type="submit" onclick="${pageContext.request.contextPath }/manage/deleteUser/${manage.iduser }.action" method="get">注销</button></td>
              -->
             <td><a href="${pageContext.request.contextPath }/manage/deleteUser/${manage.iduser }.action">注销</a></td>
             <td><a href="${pageContext.request.contextPath }/manage/updateUser/${manage.iduser }.action">修改</a></td>
         </tr>
         </c:forEach>

     </table>

 </body>
 </html>

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
     <title></title>
     <meta charset="UTF-8">
     <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/bootstrap.css" />
     <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/html/Css/style.css" />
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquery2.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquery2.sorted.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/bootstrap.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/ckform.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/common.js"></script>
     <script type="text/javascript" src="<%=request.getContextPath() %>/html/js/jquerypicture.js"></script>

     <style type="text/css">
         body {font-size: 20px;
             padding-bottom: 40px;
             background-color:#e9e7ef;
         }
         .sidebar-nav {
             padding: 9px 0;
         }

         @media (max-width: 980px) {
             /* Enable use of floated navbar text */
             .navbar-text.pull-right {
                 float: none;
                 padding-left: 5px;
                 padding-right: 5px;
             }
         }

     </style>
 </head>
 <body>
 <br>
  <font color="#777777"><strong>请填写管理员资料：</strong></font>
 <form  action="${pageContext.request.contextPath }/manage/updateUserSubmit.action" method="post" class="definewidth m20" >
 <table class="table table-bordered table-hover m10" style="margin-left:10px;margin-top:3px;">

    <br>
     <tr>

         <td class="tableleft">账号</td>
         <td><input type="text" name="accountnum" value=${user.useraccountnum}  /></td>
         <td class="tableleft">密码</td>
         <td><input type="text" name="userpassword" value=${user.userpassword}  /></td>
     </tr>
     <tr>
         <td class="tableleft">真实姓名</td>
         <td><input type="text" name="username" value=${user.username}  /></td>
         <td class="tableleft">邮箱</td>
         <td><input type="text" name="Email" value=${user.useremail} /></td>
     </tr>
     <input type="hidden"  name="iduser" value=${user.iduser}  />

 </table>
 <br>
 &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp<button type="submit" onclick="${pageContext.request.contextPath }/manage/updateUserSubmit.action" class="btn btn-primary">提交</button>
 </form>
  <img src="" id="img0" > 

 <script>
 $("#GoodsPicture").change(function(){
     var objUrl = getObjectURL(this.files[0]) ;
     console.log("objUrl = "+objUrl) ;
     if (objUrl) {
         $("#img0").attr("src", objUrl) ;
     }
 }) ;

 </body>
 </html>
 <script>
    $(function (){
         $('#backid').click(function(){
                 window.location.href="goodsQuery.html";
          });
     });

 </script>

代码是糙了一点，不过因为是第一次做项目嘛，包容包容。

来看看最后效果：

这肯定不是最终版本，我还有一些功能及一些地方需要修改。前端的代码不是我自己写的，是从网上下载的免费模板，在此感谢源码之家提供的免费模板，有兴趣的小伙伴可以取下一个来玩。本人第一次做项目，发到博客来和大家探讨学习，希望那些大神嘴下留情，不喜勿喷。

我还会继续更新我的毕设的，感谢大家支持。