【SSM】---增删改查

20:43:06

package com.chinasofti.dao;

import java.util.List;

import com.chinasofti.entity.User;

public interface user_dao {

    //登录

    public boolean dl(User user);

    //注册

    public boolean zc(User user);

    //查看用户

    public List<User> userShow();

    //删除用户

    public void userdelete(int id);

    //修改用一   先找到用户

    public User toupadte(int id);

    //修改用二   修改用户

    public void upadte(User user);

    //添加

    public void adduser(User user);

}

20:43:54

package com.chinasofti.dao.impl;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpSession;

import org.apache.catalina.Session;

import org.apache.ibatis.session.SqlSession;

import org.apache.ibatis.session.SqlSessionFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Repository;

import com.chinasofti.dao.user_dao;

import com.chinasofti.entity.User;

@Repository(value="dao")

public class user_daoimpl implements user_dao{

    @Autowired

    private SqlSessionFactory sessionFactory;

    /**

     * 登录

     */

    @Override

    public boolean dl(User user) {

        boolean flag=false;

        SqlSession session = sessionFactory.openSession();

        String select="com.chinasofti.mapper.userMapper.showuser";

        Object i = session.selectOne(select, user);

        if (i!=null) {

            return flag=true;

        }else {

            return flag;

        }

    }

    /**

     * 注册

     */

    @Override

    public boolean zc(User user) {

        boolean flag=false;

        SqlSession session = sessionFactory.openSession();

        String select="com.chinasofti.mapper.userMapper.showuser";

        Object i = session.selectOne(select, user);

        if (i!=null) {

            return flag;

        }else {

            String add="com.chinasofti.mapper.userMapper.zcuser";

            int insert = session.insert(add, user);

            return flag=true;

        }

    }

    /**

     *查看用户

     */

    @Override

    public List<User> userShow() {

        SqlSession session = sessionFactory.openSession();

        String select="com.chinasofti.mapper.userMapper.usershow";

        List<User> userlist=session.selectList(select);

        return userlist;

    }

    /**

     * 删除用户

     */

    @Override

    public void userdelete(int id) {

        SqlSession session = sessionFactory.openSession();

        String deleteuser="com.chinasofti.mapper.userMapper.deleteuser";

        int delete = session.delete(deleteuser, id);

    }

    /**

     * 修改用户

     */

    //先找到用户

    @Override

    public User toupadte(int id) {

        SqlSession session = sessionFactory.openSession();

        System.out.println(id+">>>>>>>>>>>>>>>");

        User user= session.selectOne("com.chinasofti.mapper.userMapper.selectuser", id);

        System.out.println(user.toString());

        return user;

    }

    @Override

    public void upadte(User user) {

        SqlSession session = sessionFactory.openSession();

        String update="com.chinasofti.mapper.userMapper.updateUser";

        session.update(update, user);

    }

    /**

     *添加用户

     */

    @Override

    public void adduser(User user) {

        SqlSession session = sessionFactory.openSession();

        String insert="com.chinasofti.mapper.userMapper.adduser";

        session.insert(insert, user);

    }

}

20:44:19

package com.chinasofti.entity;

public class User {

      private  Integer u_id;

      private  String u_name;

      private String u_password;

    public Integer getU_id() {

        return u_id;

    }

    public void setU_id(Integer u_id) {

        this.u_id = u_id;

    }

    public String getU_name() {

        return u_name;

    }

    public void setU_name(String u_name) {

        this.u_name = u_name;

    }

    public String getU_password() {

        return u_password;

    }

    public void setU_password(String u_password) {

        this.u_password = u_password;

    }

    @Override

    public String toString() {

        return "User [u_id=" + u_id + ", u_name=" + u_name + ", u_password=" + u_password + "]";

    }

    public User(String u_name, String u_password) {

        super();

        this.u_name = u_name;

        this.u_password = u_password;

    }

    public User() {

        super();

    }

    public User(Integer u_id, String u_name, String u_password) {

        super();

        this.u_id = u_id;

        this.u_name = u_name;

        this.u_password = u_password;

    }

}

20:44:34

package com.chinasofti.handler;

import java.util.List;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RequestParam;

import com.chinasofti.entity.User;

import com.chinasofti.service.user_service;

@Controller

public class handler {

    private static final String SUCCESS="success";

    boolean flag=false;

    @Autowired

    HttpServletRequest request;

    List<User> userlist=null;

    @Resource(name="service")

    private    user_service service;

    /**

     * 登录

     */

    @RequestMapping(value="/dl")

    public String dl(User user) {

        flag=service.dl(user);

        if (flag==true) {

            return SUCCESS;

        }else{

            return "redirect:/login.jsp";

        }

    } 

    /**

     * 注册

     */

    @RequestMapping(value="/zc")

    public String zc(User user) {

        flag=service.zc(user);

        if (flag==true) {

            return "redirect:/login.jsp";

        }else{

            return "redirect:/zc.jsp";

        }

    } 

    /**

     * 查看用户

     */

    @RequestMapping(value="/ck")

    public String userlist() {

        userlist=service.userShow();

        request.getSession().setAttribute("userlist", userlist);

        return "userShow";

    } 

    /**

     * 删除用户

     */

    @RequestMapping(value="/del", method = RequestMethod.GET)

    public String userdelete(@RequestParam("id") int id) {

        service.userdelete(id);

        return SUCCESS;

    }

    /**

     * 修改用户  先找到用户

     */

    @RequestMapping(value="/toupdate", method = RequestMethod.GET)

    public String toupdateuser(@RequestParam("id") int id) {

        System.out.println(id);

        User user=service.toupadte(id);

        System.out.println(user);

        request.getSession().setAttribute("userupdatelist", user);

        return "update";

    }

    @RequestMapping(value="/update")

    public String updateuser(User user) {

        service.upadte(user);

        return SUCCESS;

    }

    /**

     * 添加用户

     */

    @RequestMapping(value="/add")

    public String add() {

        return "add";

    }

    @RequestMapping(value="/adduser")

    public String adduser(User user) {

        service.adduser(user);

        return SUCCESS;

    } 

}

20:44:51

<?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.chinasofti.mapper.userMapper">

    <!-- 登录 -->

    <select id="showuser" resultType="int" parameterType="com.chinasofti.entity.User">

        select *

        from users where u_name=#{u_name} and

        u_password=#{u_password}

    </select>

    <!-- 注册 -->

    <insert id="zcuser" parameterType="com.chinasofti.entity.User">

        insert into users

        values(null,#{u_name},#{u_password})

    </insert>

    <!-- 查看 -->

    <select id="usershow" resultType="com.chinasofti.entity.User">

        select * from users

    </select>

    <!-- 根据id查询删除一个user -->

    <delete id="deleteuser" parameterType="com.chinasofti.entity.User">

        delete from users where u_id=#{id}

    </delete>

    <!-- 添加user -->

    <insert id="adduser" parameterType="com.chinasofti.entity.User">

        insert into users

        values(null,#{u_name},#{u_password})

    </insert>

    <!-- 修改user -->

    <!-- 查看 -->

    <select id="selectuser" resultType="com.chinasofti.entity.User">

        select * from users where u_id=#{u_id}

    </select>

    <update id="updateUser" parameterType="com.chinasofti.entity.User">

        update users set u_name=#{u_name},u_password=#{u_password} where u_id=#{u_id}

    </update>

</mapper>

20:45:13

package com.chinasofti.service;

import java.util.List;

import com.chinasofti.entity.User;

public interface user_service {

    //登录

      boolean dl(User user);

      //注册

      boolean zc(User user);

  //查看用户

      public List<User> userShow();

      //删除用户

      public void userdelete(int id);

      //修改用户  先找到

      public User toupadte(int id);

      //修改用户

    public void upadte(User user);

    //添加

    public void adduser(User user);

}

20:45:32

package com.chinasofti.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import com.chinasofti.dao.user_dao;

import com.chinasofti.entity.User;

import com.chinasofti.service.user_service;

@Service(value="service")

public class user_serviceimpl implements user_service {

    @Resource(name="dao")

    private user_dao userdao;

    //登录

    @Override

    public boolean dl(User user) {

        return userdao.dl(user);

    }

    //注册

    @Override

    public boolean zc(User user) {

        return userdao.zc(user);

    }

    //查看用户

    @Override

    public List<User> userShow() {

        return userdao.userShow();

    }

    //删除用户

    @Override

    public void userdelete(int id) {

        userdao.userdelete(id);

    }

    //修改用户   先找到

    @Override

    public User toupadte(int id) {

        return userdao.toupadte(id);

    }

    @Override

    public void upadte(User user) {

        userdao.upadte(user);

    }

    @Override

    public void adduser(User user) {

        userdao.adduser(user);

    }

}

20:45:48

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns:aop="http://www.springframework.org/schema/aop"

    xmlns:context="http://www.springframework.org/schema/context"

    xmlns:jee="http://www.springframework.org/schema/jee"

    xmlns:tx="http://www.springframework.org/schema/tx"

    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd

        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd

        http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.3.xsd

        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">

                        <!-- 开启扫描 -->

    <context:component-scan base-package="com"></context:component-scan>

                        <!-- 启动aop支持 -->

    <aop:aspectj-autoproxy />

                        <!-- 引入数据源 -->

    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

    <property name="locations">

    <value>classpath:datasource.properties</value>

    </property>

    </bean>

                        <!-- 配置数据源 -->

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">

    <property name="driverClassName" value="${jdbc.driver}"></property>

    <property name="url" value="${jdbc.url}"></property>

    <property name="username" value="${jdbc.username}"></property>

    <property name="password" value="${jdbc.password}"></property>

    </bean>

                        <!-- 配置session工厂 -->

    <bean id="sqlsessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

    <property name="dataSource" ref="dataSource"></property>

    <property name="configLocation" value="classpath:mybatis.config.xml"></property>

    </bean>

                        <!-- 配置事物管理器 -->

    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

    <property name="dataSource" ref="dataSource"></property>

    </bean>

</beans>

20:46:12

jdbc.driver=com.mysql.jdbc.Driver

jdbc.url=jdbc:mysql:///ssm?useUnicode=true&characterEncoding=UTF-8

jdbc.username=root

jdbc.password=root

20:47:43

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
log4j.rootLogger=info, stdout

20:47:57

<?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>

<mappers>

<mapper resource="com/chinasofti/mapper/userMapper.xml"/>

</mappers>

</configuration>

20:48:16

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"

    xmlns:context="http://www.springframework.org/schema/context"

    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx"

    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd

        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd

        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd

        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">

    <!-- 配置扫描 -->

    <context:component-scan base-package="com"></context:component-scan>

    <!-- 配置静态资源不过滤 -->

    <mvc:default-servlet-handler />

    <!-- 在实际开发中都需要配置 mvc:annotation-driven 标签 -->

    <mvc:annotation-driven/>

    <!-- 配置前缀和后缀 -->

    <bean

        class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/views/"></property>

        <property name="suffix" value=".jsp"></property>

    </bean>

    <!-- 配置上传 -->

    <bean id="multipartResolver"

        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

        <property name="defaultEncoding" value="utf-8"></property>

        <property name="maxUploadSize" value="1024000"></property>

    </bean>

</beans>

20:48:31

<%@ 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 http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

</head>

<body>

    <form action="adduser" method="post">

        <input type="text" name="u_name">

        <input type="text" name="u_password">

        <input type="submit" value="添加">

    </form>

</body>

</html>

20:49:22

<%@ page language="java" contentType="text/html; charset=utf-8"

    pageEncoding="utf-8" isErrorPage="true"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

</head>

<body>

你登录成功了小伙儿

<br>

<br>

<a href="ck">查看用户</a>

</body>

</html>

20:49:49

<%@ 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 http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Insert title here</title>

</head>

<body>

    <form action="update" method="post">

            <input type="text" name="u_id" value="${userupdatelist.u_id }" readonly="readonly">

            <input type="text" name="u_name" value="${userupdatelist.u_name }">

            <input type="text" name="u_password" value="${userupdatelist.u_password }">

        <input type="submit" value="确认修改">

    </form>

</body>

</html>

20:50:04

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Insert title here</title>

</head>

<body>

    <table border="1" bordercolor="red">

        <tr>

        <td>编号</td>

        <td>账户</td>

        <td>密码</td>

        <td>删除</td>

        <td>修改</td>

        </tr>

        <c:forEach items="${userlist}" var="l">

        <tr>

            <td>${l.u_id}</td>

            <td>${l.u_name}</td>

            <td>${l.u_password}</td>

            <td ><a href="del?id=${l.u_id}">删除</a></td>

            <td><a href="toupdate?id=${l.u_id}">修改</a></td>

        </tr>

        </c:forEach>

    </table>

    <a href="add">添加用户</a>

</body>

</html>

20:50:16

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns="http://java.sun.com/xml/ns/javaee"

    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

    id="WebApp_ID" version="2.5">

    <display-name>Struts2Hibernate5Spring4</display-name>

    <welcome-file-list>

        <welcome-file>index.jsp</welcome-file>

    </welcome-file-list>

    <!-- The front controller of this Spring Web application, responsible for

        handling all application requests -->

    <!-- spring-mvc -->

    <servlet>

        <servlet-name>springDispatcherServlet</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath:spring-mvc.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <!-- Map all requests to the DispatcherServlet for handling -->

    <servlet-mapping>

        <servlet-name>springDispatcherServlet</servlet-name>

        <url-pattern>/</url-pattern>

    </servlet-mapping>

    <!-- spring -->

    <context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>

        /WEB-INF/classes/applicationContext.xml

    </param-value>

    </context-param>

    <!-- -->

    <filter>

        <filter-name>encodingFilter</filter-name>

        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

        <init-param>

            <param-name>encoding</param-name>

            <param-value>UTF-8</param-value>

        </init-param>

        <init-param>

            <param-name>forceEncoding</param-name>

            <param-value>true</param-value>

        </init-param>

    </filter>

    <filter-mapping>

        <filter-name>encodingFilter</filter-name>

        <url-pattern>/*</url-pattern>

    </filter-mapping>

    <listener>

        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>

    <listener>

        <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>

    </listener>

    <session-config>

        <session-timeout>120</session-timeout>

    </session-config>

</web-app>

20:50:39

<%@ page language="java" contentType="text/html; charset=utf-8"

    pageEncoding="utf-8" isErrorPage="true"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

</head>

<body>

      <a href="login.jsp">登录</a><br>

      <a href="zc.jsp">注册</a>

</body>

</html>

20:50:55

<%@ 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 http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

</head>

<body>

  <form action="dl">

  <input type="text" name="u_name"><br>

  <input type="password" name="u_password"><br><br>

  <input type="submit" value="登录">

  </form>

</body>

</html>

20:51:06

<%@ 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 http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

</head>

<body>

  <form action="update">

  用户名<input readonly="readonly" name="u_name"><br>

  修改密码<input type="text" name="u_password"><br><br>

  <input type="submit" value="确认修改">

  </form>

</body>

</html>

20:51:21

<%@ 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 http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

</head>

<body>

  <form action="zc">

  用户名<input type="text" name="u_name"><br>

  密码<input type="password" name="u_password"><br><br>

  <input type="submit" value="注册">

  </form>

</body>

</html>

2017-09-07　　20:51:38

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