ssm整合

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已于 2023-04-10 10:47:26 修改

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文章标签： java spring maven mvc

于 2023-04-10 10:29:05 首次发布

本文链接：https://blog.youkuaiyun.com/weixin_52725665/article/details/130053926

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本文展示了如何创建一个基于Maven的web工程，详细列出了pom.xml中引入的Spring、MyBatis等相关依赖，并提供了springmvc和spring配置文件的示例，包括数据源配置、事务管理和Mapper扫描等。

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maven环境：本地仓库和镜像【阿里镜像|私服】

1 .1创建一个maven的web工程

1.2 pom引入相关依赖

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

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.aaa</groupId>
  <artifactId>ssm</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.2.15.RELEASE</version>
    </dependency>
    <!--spring整合orm框架需要的依赖-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.2.15.RELEASE</version>
    </dependency>

    <!--切面aop-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>5.2.15.RELEASE</version>
    </dependency>
    <!--事务依赖-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>5.2.15.RELEASE</version>
    </dependency>

    <!--mybatis依赖-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.5.9</version>
    </dependency>
    <!--spring和mybatis整合的依赖-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>2.0.7</version>
    </dependency>
    <!--mysql依赖-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.30</version>
    </dependency>

    <!--druid依赖-->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.2.8</version>
    </dependency>

    <!--lombok-->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.24</version>
    </dependency>


  </dependencies>

</project>

1.3 配置文件

（1）springmvc配置文件

<?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: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.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
    <!--包扫描-->
    <context:component-scan base-package="com.aaa.controller"/>
    <!--注解驱动-->
    <mvc:annotation-driven/>
    <!--静态资源放行-->
    <mvc:default-servlet-handler/>
    <!--视图解析器:前后端分离 返回给前端都是json数据 -->

</beans>

(2)spring配置文件

<?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:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.alibaba.com/schema/stat"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.alibaba.com/schema/stat http://www.alibaba.com/schema/stat.xsd">

    <!--包扫描-->
    <context:component-scan base-package="com.aaa.service"/>

    <!--数据源-->
    <bean id="datasource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
        <!--mysql8.0以后一定要加时区-->
        <property name="url" value="jdbc:mysql://localhost:3306/company?serverTimezone=Asia/Shanghai"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>
        <property name="initialSize" value="5"/>
        <property name="maxActive" value="10"/>
    </bean>

    <!--sqlSessionFactory工厂-->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
         <property name="dataSource" ref="datasource"/>
         <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!--dao接口的扫描类 为接口生成代理实现类-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
         <property name="sqlSessionFactoryBeanName" value="sessionFactory"/>
         <property name="basePackage" value="com.aaa.dao"/>
    </bean>

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

    <!--开启事务注解驱动-->
    <tx:annotation-driven/>




</beans>

1.4也可以把spring 和 spring MVC 的配置文件放在一个目录下

<?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: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/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!--包扫描-->
    <context:component-scan base-package="com.aaa"/>

    <!--数据源-->
    <bean id="datasource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
        <!--mysql8.0以后一定要加时区-->
        <property name="url" value="jdbc:mysql://localhost:3306/day0407?serverTimezone=Asia/Shanghai"/>
        <property name="username" value="root"/>
        <property name="password" value="1234"/>
        <property name="initialSize" value="5"/>
        <property name="maxActive" value="10"/>
    </bean>

    <!--sqlSessionFactory工厂-->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="datasource"/>
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!--dao接口的扫描类 为接口生成代理实现类-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sessionFactory"/>
        <property name="basePackage" value="com.aaa.mapper"/>
    </bean>

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

    <!--开启事务注解驱动-->
    <tx:annotation-driven/>

    <!--包扫描-->

    <!--注解驱动-->
    <mvc:annotation-driven/>
    <!--静态资源放行-->
    <mvc:default-servlet-handler/>
    <!--视图解析器:前后端分离 返回给前端都是json数据 -->

</beans>