• ##SSM框架整合(Spring框架/Spring MVC框架/Mbatis框架)


    SSM框架整合(Spring框架/Spring MVC框架/Mbatis框架)


    1,创建maven工程:

    2,在我们创建maven工程,加载spring资源的时候,可能会存在加载过慢的因素,我们在创建的时候就直接解决掉

      解决办法archetypeCatalog  internal

    3,开始我们的整合:

      ~1,导入依赖坐标:

        #1,在这里给大家分享一个小技巧,因为我们在导入坐标的时候,有很多坐标的版本需要我们控制,我们可以借用版本绑定的方法:  

        <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>
           <spring.version>5.0.2.RELEASE</spring.version>
           <slf4j.version>1.6.6</slf4j.version>
           <log4j.version>1.2.12</log4j.version>
          <mysql.version>5.1.6</mysql.version>
          <mybatis.version>3.4.5</mybatis.version>
        </properties>

        ##2,引入坐标依赖

        <dependencies>
          <!-- spring -->
          <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.6.8</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
          </dependency>
          <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>compile</scope>
          </dependency>
          <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
          </dependency>
          <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
          </dependency>
          <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.0</version>
            <scope>provided</scope>
          </dependency>
          <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
          </dependency>
          <!-- log start -->
          <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
          </dependency>
          <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
          </dependency>
          <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
          </dependency>
          <!-- log end -->
          <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
          </dependency>
          <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
          </dependency>
          <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
            <type>jar</type>
            <scope>compile</scope>
          </dependency>
        </dependencies>

      ~2,编写实体类,持久层接口,业务层接口,以及业务层的实现类

      ~3,为了保证spring能够在项目中正常运行

        *1,编写applicationConfig.xml配置文件

          约束:

    <?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
      http://www.springframework.org/schema/context/spring-context.xsd
      http://www.springframework.org/schema/aop
      http://www.springframework.org/schema/aop/spring-aop.xsd
      http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">

        内容:

    <!--开启注解的扫描,希望处理service和dao,controller不需要Spring框架去处理-->
        <context:component-scan base-package="cn.liuruu" >
            <!--配置哪些注解不扫描-->
            <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
        </context:component-scan>
    
        <!--Spring整合MyBatis框架-->
        <!--配置连接池-->
        <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
            <property name="driverClass" value="com.mysql.jdbc.Driver"/>
            <property name="jdbcUrl" value="jdbc:mysql:///ssm"/>
            <property name="user" value="root"/>
            <property name="password" value="root"/>
        </bean>
    
        <!--配置SqlSessionFactory工厂-->
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource" />
        </bean>
    
        <!--配置AccountDao接口所在包-->
        <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" value="cn.liurui.dao"/>
        </bean>
    
        <!--配置Spring框架声明式事务管理-->
        <!--配置事务管理器-->
        <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <property name="dataSource" ref="dataSource" />
        </bean>
    
        <!--配置事务通知-->
        <tx:advice id="txAdvice" transaction-manager="transactionManager">
            <tx:attributes>
                <tx:method name="find*" read-only="true"/>
                <tx:method name="*" isolation="DEFAULT"/>
            </tx:attributes>
        </tx:advice>
    
        <!--配置AOP增强-->
        <aop:config>
            <aop:advisor advice-ref="txAdvice" pointcut="execution(* cn.liurui.service.impl.*ServiceImpl.*(..))"/>
        </aop:config>

    注意:可以看到,我们在applicationConfig.xml配置文件中已经把mybatis的核心配置文件的内容包裹进去。这样我们原本要配置的Myabtis框架的SqlMapConfig.xml核心配置文件就不用再编写了。

    3,为了保证springMVC再项目中正常运行:

    编写spring-mvc.xml文件:

    约束:

    <?xml version="1.0" encoding="UTF-8"?>
      <beans xmlns="http://www.springframework.org/schema/beans"
      xmlns:mvc="http://www.springframework.org/schema/mvc"
      xmlns:context="http://www.springframework.org/schema/context"
      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.xsd
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context.xsd">

    内容:

      <!--开启注解扫描,只扫描Controller注解-->
        <context:component-scan base-package="cn.liurui">
            <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
        </context:component-scan>
    
        <!--配置的视图解析器对象-->
        <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="prefix" value="/WEB-INF/pages/"/>
            <property name="suffix" value=".jsp"/>
        </bean>
    
        <!--过滤静态资源-->
        <mvc:resources location="/css/" mapping="/css/**" />
        <mvc:resources location="/images/" mapping="/images/**" />
        <mvc:resources location="/js/" mapping="/js/**" />
    
        <!--开启SpringMVC注解的支持-->
        <mvc:annotation-driven/>

      3,再web.xml配置文件中进行:

    <!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>
      <display-name>Archetype Created Web Application</display-name>
    
      <!--配置Spring的监听器,默认只加载WEB-INF目录下的applicationContext.xml配置文件-->
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
      <!--设置配置文件的路径-->
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
      </context-param>
      <context-param>
        <param-name/>
        <param-value/>
      </context-param>
    
      <!--配置前端控制器-->
      <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--加载springmvc.xml配置文件-->
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        <!--启动服务器,创建该servlet-->
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
      </servlet-mapping>
    
      <!--解决中文乱码的过滤器-->
      <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>
      </filter>
      <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
    </web-app>
    注意:
      由于我们使用的是代理 Dao 的模式,Dao 具体实现类由 MyBatis 使用代理方式创建,所以此时 mybatis配置文件不能删。
      当我们整合 spring 和 mybatis 时,mybatis 创建的 Mapper.xml 文件名必须和 Dao 接口文件名一致。
     
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  • 原文地址:https://www.cnblogs.com/liurui-bk517/p/11368196.html
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