JAVA springmvc+spring+mybatis整合

一、springmvc---controller spring----service mybatiss---dao

pring（包括springmvc）、mybatis、mybatis-spring整合包、数据库驱动、第三方连接池。

因为springmvc和spring属于同一个公司不需要整合包，而mybaits和spring需要整合包。

二、jar包列表

pom文件依赖：

  <dependencies>

     <dependency>

       <groupId>org.hamcrest</groupId>

       <artifactId>hamcrest-library</artifactId>

       <version>1.3</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-webmvc</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.slf4j</groupId>

       <artifactId>slf4j-log4j12</artifactId>

       <version>1.7.</version>

     </dependency>

     <dependency>

       <groupId>org.slf4j</groupId>

       <artifactId>slf4j-api</artifactId>

       <version>1.7.</version>

     </dependency>

     <dependency>

       <groupId>org.apache.logging.log4j</groupId>

       <artifactId>log4j-core</artifactId>

       <version>2.0.</version>

     </dependency>

     <dependency>

       <groupId>org.apache.logging.log4j</groupId>

       <artifactId>log4j-api</artifactId>

       <version>2.0.</version>

     </dependency>

     <dependency>

       <groupId>spring-jms</groupId>

       <artifactId>spring-jms</artifactId>

       <version>4.2.</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-web</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>mysql</groupId>

       <artifactId>mysql-connector-java</artifactId>

       <version>5.1.</version>

     </dependency>

     <dependency>

       <groupId>taglibs-standard</groupId>

       <artifactId>taglibs-standard</artifactId>

       <version>1.2.</version>

     </dependency>

     <dependency>

       <groupId>taglibs-standard-spec</groupId>

       <artifactId>taglibs-standard-spec</artifactId>

       <version>1.2.</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-oxm</artifactId>

       <version>4.1..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-test</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-expression</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-core</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-beans</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-context</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-context-support</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-aop</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>aopalliance</groupId>

       <artifactId>aopalliance</artifactId>

       <version>1.0</version>

     </dependency>

     <dependency>

       <groupId>spring-aspects</groupId>

       <artifactId>spring-aspects</artifactId>

       <version>4.2.</version>

     </dependency>

     <dependency>

       <groupId>com.springsource.org</groupId>

       <artifactId>aspectj.weaver</artifactId>

       <version>1.6.</version>

     </dependency>

     <dependency>

       <groupId>org.apache.commons</groupId>

       <artifactId>commons-pool2</artifactId>

       <version>2.4.</version>

     </dependency>

     <dependency>

       <groupId>org.apache.commons</groupId>

       <artifactId>commons-dbcp2</artifactId>

       <version>2.0.</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-jdbc</artifactId>

       <version>4.1..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>log4j</groupId>

       <artifactId>log4j</artifactId>

       <version>1.2.</version>

     </dependency>

     <dependency>

       <groupId>org.javassist</groupId>

       <artifactId>javassist</artifactId>

       <version>3.16.-GA</version>

     </dependency>

     <dependency>

       <groupId>org.mybatis</groupId>

       <artifactId>mybatis-spring</artifactId>

       <version>1.2.</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-tx</artifactId>

       <version>4.1..RELEASE</version>

     </dependency>

     <dependency>

       <groupId>commons-logging</groupId>

       <artifactId>commons-logging</artifactId>

       <version>1.1.</version>

     </dependency>

     <dependency>

       <groupId>cglib</groupId>

       <artifactId>cglib</artifactId>

       <version>2.2.</version>

     </dependency>

     <dependency>

       <groupId>asm</groupId>

       <artifactId>asm</artifactId>

       <version>3.3.</version>

     </dependency>

     <dependency>

       <groupId>org.mybatis</groupId>

       <artifactId>mybatis</artifactId>

       <version>3.2.</version>

     </dependency>

     <dependency>

       <groupId>junit</groupId>

       <artifactId>junit</artifactId>

       <version>4.11</version>

       <scope>test</scope>

     </dependency>

     <dependency>

       <groupId>org.junit.jupiter</groupId>

       <artifactId>junit-jupiter-api</artifactId>

       <version>RELEASE</version>

     </dependency>

     <dependency>

       <groupId>org.springframework</groupId>

       <artifactId>spring-test</artifactId>

       <version>4.3..RELEASE</version>

     </dependency>

三、配置文件

1、SqlMapConfig.xml： mybaits配置文件，只保存约束和configuration标签即可，其中的mapper映射在applicationContex-dao.xml里进行添加。

 <?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>

 </configuration>

2、applicationContext-dao.xml：dao层配置文件 (注解扫描在其他文件配置即可)

1）数据库连接池

2）会话工厂

3）配置mapper扫描

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

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

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

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

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

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

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

         xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

         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

         http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

     <!-- 加载配置文件 -->

     <context:property-placeholder location="classpath:db.properties"/>

     <!-- 数据库连接池 -->

     <bean id="dataSource" class="org.apache.commons.dbcp2.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}"/>

     <property name="maxTotal" value=""/>

     <property name="maxIdle" value=""/>

     </bean>

         <!-- mapper配置 -->

         <!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->

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

         <!-- 数据库连接池 -->

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

         <!-- 加载mybatis的全局配置文件 -->

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

         </bean>

         <!-- 配置Mapper扫描器 -->

         <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

             <property name="basePackage" value="jd.com.dao"/>

         </bean>

         </beans>

3、service层

1）applicationContext-service.xml 包扫描器和Service层的注解开启。

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

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

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

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

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

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

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

         xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

         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

         http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

         <!--开启注解扫描-->

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

 </beans>

2）applicationContext-trans.xml事务配置文件。

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

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

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

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

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

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

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

         xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

         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

         http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

     <!-- 事务管理器 -->

         <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">

         <tx:attributes>

         <!-- 传播行为 -->

         <tx:method name="save*" propagation="REQUIRED"/>

         <tx:method name="insert*" propagation="REQUIRED"/>

         <tx:method name="delete*" propagation="REQUIRED"/>

         <tx:method name="update*" propagation="REQUIRED"/>

         <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>

         <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>

         </tx:attributes>

                 </tx:advice>

                 <!-- 切面 -->

         <aop:config>

         <aop:advisor advice-ref="txAdvice"

         pointcut="execution(* jd.com.service.*.*(..))"/>

         </aop:config>

         </beans>

4、Springmvc.xml

1）注解扫描器开启

2）注解驱动（处理器映射器和处理器适配器）

3)视图解析器配置

 <?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:p="http://www.springframework.org/schema/p"

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

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

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

         http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-4.0.xsd">

         <!--开启注解扫描-->

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

         <!--开启注解驱动-->

         <mvc:annotation-driven/>

         <!--视图解析器配置-->

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

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

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

             <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />

         </bean>

 </beans>

注意上面配置的视图解析器有问题。前缀必须要/否则在配置窄化请求映射的时候会报如下错误：

正确配置：

 <?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:p="http://www.springframework.org/schema/p"

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

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

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

         http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

         http://www.springframework.org/schema/mvc

         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd

         http://www.springframework.org/schema/context

         http://www.springframework.org/schema/context/spring-context-4.0.xsd">

         <!--开启注解扫描-->

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

         <!--开启注解驱动-->

         <mvc:annotation-driven conversion-service="conversionService"  />

         <!--视图解析器配置-->

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

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

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

             <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />

         </bean>

         <mvc:resources mapping="/resource/**" location="/resources/"/>

         <!--自定义转换器 注意在注解驱动里指明引用-->

     <bean id="conversionService"

     class="org.springframework.format.support.FormattingConversionServiceFactoryBean">

     <property name="converters">

     <set>

         <bean class="jd.com.contronller.jd.com.convert.CustomStringToDate"/>

     </set>

         </property>

         </bean>

         </beans>

5、web.xml 前端控制器配置。

 <!DOCTYPE web-app PUBLIC

  "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

  "http://java.sun.com/dtd/web-app_2_3.dtd" >

 <web-app>

   <!-- 加载spring容器 -->

   <context-param>

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

     <param-value>classpath:applicationContext-*.xml</param-value>

   </context-param>

   <listener>

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

   </listener>

   <servlet>

     <servlet-name>springmvc</servlet-name>

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

     <init-param>

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

       <!--使用通配符加载所有的配置文件-->

       <param-value>classpath:springmvc.xml</param-value>

     </init-param>

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

   </servlet>

   <servlet-mapping>

     <servlet-name>springmvc</servlet-name>

     <url-pattern>*.action</url-pattern>

   </servlet-mapping>

 </web-app>

建表和插入数据

         CREATE TABLE goods(

             id INT  AUTO_INCREMENT,

             goodsname VARCHAR(),

             money DOUBLE,

             detail VARCHAR(),

             PRIMARY KEY(id)

         );

mapper文件：

接口：

 package jd.com.dao;

 import java.util.List;

 import jd.com.projo.goods;

 public interface goodsMapperImpl {

     List<goods>  findGoodsById();

 }

 <?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">

 <!--和主配置文件约束是不一样的-->

 <mapper namespace="jd.com.dao.goodsMapperImpl">

     <select id="findGoodsById" resultType="jd.com.projo.goods"  >

         select * from goods

     </select>

 </mapper>

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