SSM 框架-05-详细整合教程(Eclipse版)(Spring+SpringMVC+MyBatis)
SSM 框架-05-详细整合教程(Eclipse版)(Spring+SpringMVC+MyBatis)
如果你使用的是 Intellij IDEA,请查看:
SSM的配置流程详细的写了出来,方便很少接触这个框架的朋友使用,文中各个资源均免费提供!
一.创建web项目(eclipse)
File-->new-->Dynamic Web Project (这里我们创建的项目名为SSM)
下面是大致目录结构
二. SSM所需jar包。
jar包链接:https://pan.baidu.com/s/1dTClhO 密码:n4mm
三.整合开始
1.mybatis配置文件(resource/mybatis/SqlMapConfig.xml)
-
<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE configuration
-
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
-
"http://mybatis.org/dtd/mybatis-3-config.dtd">
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<configuration>
-
-
</configuration>
2.Dao,mybatis整合spring,通过spring管理
SqlSessionFactory、mapper代理对象
(resource/spring/applicationContext-dao.xml)
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
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xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
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http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
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<!-- 数据库连接池 -->
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<!-- 加载配置文件 -->
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<context:property-placeholder location="classpath:*.properties" />
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<!-- 数据库连接池 -->
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<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
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destroy-method="close">
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<property name="url" value="${jdbc.url}" />
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<property name="username" value="${jdbc.username}" />
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<property name="password" value="${jdbc.password}" />
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<property name="driverClassName" value="${jdbc.driver}" />
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<property name="maxActive" value="10" />
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<property name="minIdle" value="5" />
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</bean>
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<!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->
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<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
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<!-- 数据库连接池 -->
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<property name="dataSource" ref="dataSource" />
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<!-- 加载mybatis的全局配置文件 -->
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<property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" />
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</bean>
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<!-- 自动扫描 将Mapper接口生成代理注入到Spring -->
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<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
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<property name="basePackage" value="com.mapper" />
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</bean>
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</beans>
这里用的是阿里的连接池,当然也可以用c3p0,个人建议用阿里
3. 所有的实现类都放到spring容器中管理。由spring创建数据库连接池,并有spring管理实务。
(resource/spring/applicationContext-service.xml)
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
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xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
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http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
-
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<!-- spring自动去扫描base-pack下面或者子包下面的java文件-->
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<!--管理Service实现类-->
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<context:component-scan base-package="com.service"/>
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</beans>
配置spring管理实务
(resource/spring/applicationContext-trans.xml)
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
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xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
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http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
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<!-- 事务管理器 -->
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<bean id="transactionManager"
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class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
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<!-- 数据源 -->
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<property name="dataSource" ref="dataSource" />
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</bean>
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<!-- 通知 -->
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<tx:advice id="txAdvice" transaction-manager="transactionManager">
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<tx:attributes>
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<!-- 传播行为 -->
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<tx:method name="save*" propagation="REQUIRED" />
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<tx:method name="insert*" propagation="REQUIRED" />
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<tx:method name="add*" propagation="REQUIRED" />
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<tx:method name="create*" propagation="REQUIRED" />
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<tx:method name="delete*" propagation="REQUIRED" />
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<tx:method name="update*" propagation="REQUIRED" />
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<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
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<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
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<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
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</tx:attributes>
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</tx:advice>
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<!-- 切面 -->
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<aop:config>
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<aop:advisor advice-ref="txAdvice"
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pointcut="execution(* com.service.*.*(..))" />
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</aop:config>
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</beans>
4. Springmvc整合spring框架,由springmvc管理controller
(resource/spring/springmvc.xml)
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
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xmlns:context="http://www.springframework.org/schema/context"
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xmlns:mvc="http://www.springframework.org/schema/mvc"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
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<!-- 扫描controller -->
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<context:component-scan base-package="com.controller" />
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<!-- Spring 来扫描指定包下的类,并注册被@Component,@Controller,@Service,@Repository等注解标记的组件 -->
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<mvc:annotation-driven />
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<!-- 配置SpringMVC的视图解析器-->
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<bean
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class="org.springframework.web.servlet.view.InternalResourceViewResolver">
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<property name="prefix" value="/WEB-INF/jsp/" />
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<property name="suffix" value=".jsp" />
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</bean>
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</beans>
5. 2中加载的属性配置文件(dbconfig.properties)
根据自己的数据库更改用户名密码以及库
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jdbc.driver=com.mysql.jdbc.Driver
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jdbc.url=jdbc:mysql://localhost:3306/ssm?characterEncoding=utf-8
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jdbc.username=root
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jdbc.password=123456
6. 配置log4j
(log4j.properties)
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log4j.rootLogger=error,CONSOLE,A
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log4j.addivity.org.apache=false
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log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
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log4j.appender.CONSOLE.Threshold=error
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log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} -%-4r [%t] %-5p %x - %m%n
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log4j.appender.CONSOLE.Target=System.out
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log4j.appender.CONSOLE.Encoding=gbk
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log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
-
-
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log4j.appender.A=org.apache.log4j.DailyRollingFileAppender
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log4j.appender.A.File=${catalina.home}/logs/FH_log/PurePro_
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log4j.appender.A.DatePattern=yyyy-MM-dd'.log'
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log4j.appender.A.layout=org.apache.log4j.PatternLayout
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log4j.appender.A.layout.ConversionPattern=[FH_sys] %d{yyyy-MM-dd HH\:mm\:ss} %5p %c{1}\:%L \: %m%n
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-
(log4j.xml)
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd">
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<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
-
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<!-- Appenders -->
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<appender name="console" class="org.apache.log4j.ConsoleAppender">
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<param name="Target" value="System.out" />
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<layout class="org.apache.log4j.PatternLayout">
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<param name="ConversionPattern" value="%d{yyyy HH:mm:ss} %-5p %c - %m%n" />
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</layout>
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</appender>
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<!-- Application Loggers -->
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<logger name="com">
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<level value="error" />
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</logger>
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<!-- 3rdparty Loggers -->
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<logger name="org.springframework.core">
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<level value="error" />
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</logger>
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<logger name="org.springframework.beans">
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<level value="error" />
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</logger>
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<logger name="org.springframework.context">
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<level value="error" />
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</logger>
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<logger name="org.springframework.web">
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<level value="error" />
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</logger>
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<logger name="org.springframework.jdbc">
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<level value="error" />
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</logger>
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<logger name="org.mybatis.spring">
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<level value="error" />
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</logger>
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<logger name="java.sql">
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<level value="error" />
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</logger>
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<!-- Root Logger -->
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<root>
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<priority value="error" />
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<appender-ref ref="console" />
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</root>
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</log4j:configuration>
SSM框架整合完成,至于mybatis逆向工程生成的mapper.xml和pojo请放到第一张图的目录下
注:逆向工程是根据数据库表反向生成pojo以及mapper.xml,所以,请先自动在数据库配置好user表。逆向工程得配置在下面得链接里面有详细注释。
测试数据库表(User)
private String id;
private String username;
private String password;
private String company;
private Integer age;
private Integer sex;
根据类型创建表即可
逆向工程项目我会贴出链接,解压导入改路径运行main方法就会自动生成了,注意配置生成的路径
逆向工程链接: 链接:https://pan.baidu.com/s/1QvSskH2UEC6EQF7MgVDOAQ 密码:t2pc
到这里项目整合完成,接下来是测试!
UserController.java
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package com.controller;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.servlet.ModelAndView;
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import com.pojo.User;
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import com.service.UserService;
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@Controller
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@RequestMapping("/user")
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public class UserController {
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@Resource(name="userService")
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private UserService userService;
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/**
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* 根据id查询
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*/
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@RequestMapping(value="/queryById")
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public ModelAndView queryById(HttpServletRequest request){
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ModelAndView mv = new ModelAndView();
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String id = request.getParameter("id");
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try{
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User var = userService.findById(id);
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mv.setViewName("index");
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mv.addObject("var", var);
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} catch(Exception e){
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e.printStackTrace();
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}
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return mv;
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}
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}
UserService.java
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package com.service;
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import javax.annotation.Resource;
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import org.springframework.stereotype.Service;
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import com.mapper.UserMapper;
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import com.pojo.User;
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@Service("userService")
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public class UserService {
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@Resource
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private UserMapper dao;
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/*
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* 通过id获取数据
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*/
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public User findById(String id)throws Exception{
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return (User)dao.selectByPrimaryKey(id);
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}
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}
补上之前漏掉得web.xml配置
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<?xml version="1.0" encoding="UTF-8"?>
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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id="WebApp_ID" version="2.5">
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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<!-- 加载spring容器 -->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:spring/applicationContext*.xml</param-value>
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</context-param>
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<!-- 解决post乱码 -->
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<filter>
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<filter-name>CharacterEncodingFilter</filter-name>
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<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
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<init-param>
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<param-name>encoding</param-name>
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<param-value>utf-8</param-value>
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</init-param>
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<!-- <init-param>
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<param-name>forceEncoding</param-name>
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<param-value>true</param-value>
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</init-param> -->
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</filter>
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<filter-mapping>
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<filter-name>CharacterEncodingFilter</filter-name>
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<url-pattern>/*</url-pattern>
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</filter-mapping>
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-
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<!-- springmvc的前端控制器 -->
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<!-- <servlet>
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<servlet-name>taotao-manager</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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contextConfigLocation不是必须的, 如果不配置contextConfigLocation, springmvc的配置文件默认在:WEB-INF/servlet的name+"-servlet.xml"
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<init-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:spring/springmvc.xml</param-value>
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</init-param>
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<load-on-startup>1</load-on-startup>
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</servlet>
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<servlet-mapping>
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<servlet-name>SSM</servlet-name>
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<url-pattern>/</url-pattern>
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</servlet-mapping> -->
-
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<servlet>
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<servlet-name>springMvc</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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<init-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:spring/springmvc.xml</param-value>
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</init-param>
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<load-on-startup>1</load-on-startup>
-
</servlet>
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<servlet-mapping>
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<servlet-name>springMvc</servlet-name>
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<url-pattern>/</url-pattern>
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</servlet-mapping>
-
-
</web-app>
为节省篇幅,更快的搭建成功,这里只写了一个方法,根据id查询数据
WebContent/index.jsp
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<%@ page language="java" contentType="text/html; charset=utf-8"
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pageEncoding="utf-8"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
-
<%
-
String path = request.getContextPath();
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String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
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%>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>查询用户</title>
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</head>
-
<body>
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<form action="user/queryById.do" method="post">
-
输入要查询的id: <input type="text" name="id" value="123456"/>
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<button type="submit">提交</button>
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</form>
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</body>
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</html>
WebContent/WEB-INF/jsp/index.jsp
-
<%@ page language="java" contentType="text/html; charset=utf-8"
-
pageEncoding="utf-8"%>
-
<%@page import="com.pojo.*"%>
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<!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>
-
<style type="text/css">
-
.td td{
-
width: 100px;
-
}
-
.table{
-
text-align: center;
-
margin: 0 auto;
-
}
-
</style>
-
</head>
-
<body>
-
<%
-
User user = ((User)request.getAttribute("var"));
-
%>
-
-
<table class="table">
-
<tr class="td">
-
<td>ID</td>
-
<td>用户名</td>
-
<td>密码</td>
-
<td style="width: 200px">公司</td>
-
<td>年龄</td>
-
<td>性别</td>
-
</tr>
-
<%if(user!=null){%>
-
<tr class="td">
-
<td><%=user.getId()%></td>
-
<td><%=user.getUsername()%></td>
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<td><%=user.getPassword()%></td>
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<td><%=user.getCompany()%></td>
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<td><%=user.getAge()%></td>
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<td><%=user.getSex()==1?"男":"女"%></td>
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</tr>
-
<%}else{ %>
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<tr class="td">
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<td style="color: red;">暂无相关数据</td>
-
</tr>
-
<%} %>
-
</table>
-
-
</body>
-
</html>
启动项目,输入localhost:8080/SSM 访问
为方便新手查错,博主按照博文重新搭建了一次,测试无误后将项目打包,上传至云盘,供您使用。(建议:希望您按照博文从头搭建,便于印象深刻)
项目完整链接(含数据库): https://pan.baidu.com/s/17O8HgkoSYblFfC3uziMrdA 密码:cw77
更多链接
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