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ssm整合-idea

程序员文章站 2022-06-25 10:10:55
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创建一个maven项目

ssm整合-idea
ssm整合-idea

导入所需要的依赖架包

<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.atguigu</groupId>
  <artifactId>ssm-crud</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>


  <!--引入项目依赖的jar包 -->
  <!-- SpringMVC、Spring -->
  <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
  <dependencies>

    <!--引入pageHelper分页插件 -->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>5.0.0</version>
    </dependency>

    <!-- MBG -->
    <!-- https://mvnrepository.com/artifact/org.mybatis.generator/mybatis-generator-core -->
    <dependency>
      <groupId>org.mybatis.generator</groupId>
      <artifactId>mybatis-generator-core</artifactId>
      <version>1.3.5</version>
    </dependency>


    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.3.7.RELEASE</version>
    </dependency>

    <!-- 返回json字符串的支持 -->
    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.8.8</version>
    </dependency>

    <!--JSR303数据校验支持;tomcat7及以上的服务器,
    tomcat7以下的服务器:el表达式。额外给服务器的lib包中替换新的标准的el
    -->
    <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-validator -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-validator</artifactId>
      <version>5.4.1.Final</version>
    </dependency>


    <!-- Spring-Jdbc -->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>4.3.7.RELEASE</version>
    </dependency>

    <!--Spring-test -->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.3.7.RELEASE</version>
    </dependency>


    <!-- Spring面向切面编程 -->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>4.3.7.RELEASE</version>
    </dependency>

    <!--MyBatis -->
    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.4.2</version>
    </dependency>
    <!-- MyBatis整合Spring的适配包 -->
    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.1</version>
    </dependency>

    <!-- 数据库连接池、驱动 -->
    <!-- https://mvnrepository.com/artifact/c3p0/c3p0 -->
    <dependency>
      <groupId>c3p0</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.1</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.41</version>
    </dependency>
    <!-- (jstl,servlet-api,junit) -->
    <!-- https://mvnrepository.com/artifact/jstl/jstl -->
    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.0.1</version>
      <scope>provided</scope>
    </dependency>


    <!-- junit -->
    <!-- https://mvnrepository.com/artifact/junit/junit -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
    </dependency>
  </dependencies>




</project>

创建所需的文件

ssm整合-idea

配置web.xml

<!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 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>Archetype Created Web Application</display-name>
  <!--扫描springmvc-->
  <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springmvc拦截器-->
  <servlet>
    <servlet-name>dispatcherServlet</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>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <!--设置字符编码-->
  <filter>
    <filter-name>characterEncodingFilter</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>forceRequestEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>forceResponseEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

ssm整合-idea

配置spring-mvc.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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
        <!--配置SpringMvc的配置文件,包含网站跳转逻辑的控制,配置-->
    <context:component-scan base-package="com.hx" use-default-filters="false">
        <!--只扫描控制器-->
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
    <!--讲springmvc不能处理的请求交给tomcat-->
    <mvc:default-servlet-handler/>
    <!-- 能支持springmvc更高级的一些功能,JSR303校验,快捷的ajax...映射动态请求 -->
    <mvc:annotation-driven/>
</beans>

配置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/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">

    <context:component-scan base-package="com.hx">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <!-- Spring的配置文件,这里主要配置和业务逻辑有关的 -->
    <!--=================== 数据源,事务控制,xxx ================-->
    <context:property-placeholder location="classpath:db.properties"/>
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
        <property name="driverClass" value="${jdbc.driverClass}"></property>
        <property name="user" value="${jdbc.user}"></property>
        <property name="password" value="${jdbc.password}"></property>
    </bean>
    <!--整合mybatis-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--指定mybatis全局配置文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <property name="dataSource" ref="dataSource"/>
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!--配置扫描器,将mybatis接口的实现加入到ioc容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--扫描所有dao接口,加入到IOC中-->
        <property name="basePackage" value="com.hx.dao"/>
    </bean>

    <!--配置一个可批量执行的sqlSession-->
    <bean id="sessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
        <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"/>
        <constructor-arg name="executorType" value="BATCH"/>
    </bean>
    <!--========================================-->

    <!--==================配置事务管理器======================-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!--控制住数据源-->
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--开启基于注解的事务,使用xml配置形式的事务(必要主要的都是使用配置式)-->
    <aop:config>
        <!--配置切入点-->
        <aop:pointcut id="mypointcut" expression="execution(* com.hx.service..*(..))"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="mypointcut"/>
    </aop:config>
    <!--配置事务增强,事务如何切入-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 所有方法都是事务方法 -->
            <tx:method name="save*"/>
            <tx:method name="edit*"/>
            <tx:method name="remove*"/>
            <!--以get开始的所有方法  -->
            <tx:method name="get*" read-only="true"/>
            <tx:method name="find*" read-only="true"/>
        </tx:attributes>
    </tx:advice>
</beans>

创建数据源所需配置文件

ssm整合-idea

创建mybatis-config配置文件

ssm整合-idea

创建mapper文件夹防止applicationContext.xml报错

ssm整合-idea

测试spring和mybatis整合

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:applicationContext.xml"})
public class Demo1 {

    @Autowired
    private UserinfoMapper userinfoMapper;

    @Test
    public void run1(){
        System.out.println(userinfoMapper.findAll());
    }

}