ssm整合

最新推荐文章于 2026-01-05 17:06:32 发布

原创最新推荐文章于 2026-01-05 17:06:32 发布 · 313 阅读

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文章标签：

#java #spring #mybatis

本文档展示了如何整合Spring、SpringMVC和MyBatis，并配置数据源、SqlSessionFactory、MapperScannerConfigurer以及声明式事务处理。示例中包含了web.xml、applicationContext.xml和springmvc.xml的配置，以及UserMapper接口和实体类User的定义，演示了数据库操作和事务管理的实现。

ssm整合

spring、springmvc、Mybatis

在这里插入图片描述

applicationContext.xml

<?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: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.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!--配置包扫描-->
    <context:component-scan base-package="cn.tedu"/>
    <!--配置注解方式DI-->
    <context:annotation-config/>
    <!--配置注解方式AOP-->
    <aop:aspectj-autoproxy/>

    <!--配置数据源-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql:///ssm05"/>
        <property name="user" value="root"/>
        <property name="password" value="root"/>
    </bean>

    <!--整合MyBatis-->
    <!--配置SqlSessionFactory工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="configLocation" value="classpath:sqlMapConfig.xml"/>
        <property name="dataSource" ref="dataSource"/>
        <property name="mapperLocations" value="classpath:/mappers/*.xml"/>
    </bean>
    <!--配置MyBatis的MapperBean扫描器,负责为MapperBean生成实现类 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.tedu.mapper"/>
    </bean>
    <!--配置声明式事务处理-->
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--开启声明式事务处理-->
    <tx:annotation-driven/>
</beans>

springmvc.xml

<?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">
    <!--配置包扫描-->
    <context:component-scan base-package="cn.tedu.controller"/>
    <!--注解方式mvc-->
    <mvc:annotation-driven/>
    <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
    <!--配置监听器，管理Spring容器的生命周期-->
    <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>

    <!--配置前端控制器-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--配置springmvc配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:/springmvc.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.action</url-pattern>
    </servlet-mapping>
</web-app>

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>

</configuration>

UserMapper.xml

<?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="cn.tedu.mapper.UserMapper">
    <select id="selectById" resultType="cn.tedu.domain.User">
        select * from user where id = #{id};
    </select>
    <select id="selectBetweenAge" resultType="cn.tedu.domain.User">
        select * from user where age between #{min} and #{max};
    </select>
    <insert id="insertUser">
        insert into user values (null,#{name},#{age});
    </insert>
    <delete id="delUserById">
        delete from user where id = #{id};
    </delete>
</mapper>

User

package cn.tedu.domain;

public class User {
    private int id;
    private String name;
    private int age;

    public User() {
    }

    public User(int id, String name, int age) {
        this.id = id;
        this.name = name;
        this.age = age;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}

UserMapper

public interface UserMapper {
    public List<User> selectById(int id);
    public List<User> selectBetweenAge(@Param("min") int min, @Param("max") int max);
    public int insertUser(User user);
    public int delUserById(int id);
}

TestService

public interface TestService {
    public void test01();
}

TestServiceImpl

@Service
public class TestServiceImpl implements TestService {

    @Autowired
    private UserMapper userMapper = null;

    @Transactional
    @Override
    public void test01() {
        System.out.println("TestService..test01..");
        userMapper.insertUser(new User(9,"zzz",798));
        int i  = 1/0;
    }

}

MyController01

@Controller
@RequestMapping("/my01")
public class MyController01 {

    @Autowired
    private TestService service = null;

    @RequestMapping("/test01.action")
    public String test01(){
        System.out.println("my01test01.action..");
        service.test01();
        return "my01test01";
    }
}