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Spring+SpringMVC+MyBatis 简单整合
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SSM

Spring+SpringMVC+MyBatis 三个框架的基础项目整合环境搭建

使用Maven工程进行依赖管理

搭建环境: IDEA 2021.2.3 (Ultimate Edition), Windows10 64位系统

IntelliJ IDEA 2021.2.3 (Ultimate Edition)
Build #IU-212.5457.46, built on October 12, 2021
Runtime version: 11.0.12+7-b1504.40 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Windows 10 10.0
GC: G1 Young Generation, G1 Old Generation
Memory: 2048M
Cores: 16

具体流程

操作分为五个步骤:

  1. 创建一个maven工程
  2. 引入项目依赖的jar包
    • Spring
      • jdbc
      • aop (aspects)
      • test
    • SpringMVC
      • spring-webmvc
    • MyBatis
      • mybatis
      • mybatis-spring
      • mybatis-generator-core
    • c3p0 – 数据库连接池
    • jstl
    • servlet-api (provided)
    • junit4 测试单元 (实际使用spring-test)
    • mysql驱动
  3. 下载并引入bootstrap前端框架
  4. 创建整合SSM相关配置文件
  5. 测试

创建maven工程

…

引入依赖

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<dependencies>

    <!-- SpringMVC -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>5.3.8</version>
    </dependency>
    <!--        Spring jdbc-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>4.3.20.RELEASE</version>
    </dependency>
    <!--        Spring AOP-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>5.3.8</version>
    </dependency>
    <!--    MyBaits-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>3.4.5</version>
    </dependency>
    <!--MyBaits-spring-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>2.0.6</version>
    </dependency>
    <!--    数据库连接池-->
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.5</version>
    </dependency>

    <!--        mysql 驱动-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.25</version>
    </dependency>
    <!-- ServletAPI -->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.0.1</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>javax.servlet.jsp</groupId>
        <artifactId>jsp-api</artifactId>
        <version>2.2</version>
        <scope>provided</scope>
    </dependency>
    <!--     jstl   -->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jstl</artifactId>
        <version>1.2</version>
    </dependency>
    <!--        junit-->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.13.2</version>
    </dependency>
    <!--    mybatis generator-->
    <dependency>
        <groupId>org.mybatis.generator</groupId>
        <artifactId>mybatis-generator-core</artifactId>
        <version>1.4.0</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>5.3.8</version>
    </dependency>
    <dependency>
        <groupId>com.github.pagehelper</groupId>
        <artifactId>pagehelper</artifactId>
        <version>5.2.1</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.12.3</version>
    </dependency>
    <!--        JSR303 hibernate-validator-->
    <dependency>
        <groupId>org.hibernate.validator</groupId>
        <artifactId>hibernate-validator</artifactId>
        <version>7.0.1.Final</version>
    </dependency>
</dependencies>

…

bootstrap前端框架

…

整合SSM

创建webapp文件夹,

—>创建web.xml文件在WEB-INF下

配置web.xml

  • 在resource文件夹下创建applicationContext.xml文件

  • 配置启动spring的配置

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    <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>

  • 创建springMVC.xml

  • 在web.xml中配置springMVC.xml

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    <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:springMVC.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>

  • 按顺序配置编码过滤器和http请求方法过滤器

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    <!--    CharacterEncodingFilter-->
        <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>
    <!--configuration for receiving different http request methods -->
        <filter>
            <filter-name>hiddenHttpMethodFilter</filter-name>
            <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
        </filter>
        <filter-mapping>
            <filter-name>hiddenHttpMethodFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>

配置springMVC.xml

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<!-- Scanning controller annotation-->
    <context:component-scan base-package="com.anonymous.woj">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

<!-- View Resolver-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="suffix" value=".jsp"/>
        <property name="prefix" value="/WEB-INF/pages/"/>
    </bean>

<!-- Default Configuration-->
    <mvc:annotation-driven/>
    <mvc:default-servlet-handler/>

创建mybatis-config.xml配置文件

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<!-- mybatis configuration -->
<configuration>

    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeAliases>

        <package name="com.anonymous.woj.bean"/>
    </typeAliases>
    <plugins>
        <plugin interceptor="com.github.pagehelper.PageInterceptor">
            <property name="reasonable" value="true"/>
        </plugin>
    </plugins>


</configuration><!-- mybatis configuration -->
<configuration>

    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeAliases>

        <package name="com.anonymous.woj.bean"/>
    </typeAliases>
    <plugins>
        <plugin interceptor="com.github.pagehelper.PageInterceptor">
            <property name="reasonable" value="true"/>
        </plugin>
    </plugins>


</configuration>

配置applicationContext.xml (Spring配置文件)

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<!--    spring控制除了跳转逻辑的其他组件-->
<context:component-scan base-package="com.atguigu.crud">
    <!--        不扫描控制器-->
    <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
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<context:property-placeholder location="classpath:dbconfig.properties"/>
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<!--    配置数据源, 事务控制, ...-->
    <bean id="pooledDataSource" 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>
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<!--    mybatis 整合-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="configLocation" value="classpath:mybatis-config.xml"></property>
        <property name="dataSource" ref="pooledDataSource"></property>
<!--        指定mapper文件-->
        <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
    </bean>
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<!--    配置扫描器, 讲mybatis接口实现加入到ioc容器-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.atguigu.crud"/>
    </bean>
<!--    配置可以批量的sqlSession-->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
        <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"/>
        <constructor-arg name="executorType" value="BATCH"/>
    </bean>
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<!--    事务控制-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

        <property name="dataSource" ref="pooledDataSource"/>
    </bean>
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<!--    开启基于注解事务, 或者xml的配置事务-->
    <aop:config>
<!--        切入点表达式-->
        <aop:pointcut id="txPointCut" expression="execution(* com.atguigu.crud.service..*(..))"/>
<!--        配置事务增强-->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"/>
    </aop:config>
<!--配置事务增强, 事务如何切入-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
<!--            代表切入的所有方法都是事务方法-->
            <tx:method name="*"/>
<!--            代表以get开始的所有方法 只读-->
            <tx:method name="get*" read-only="true"/>
        </tx:attributes>
    </tx:advice>

…

测试

…

end…

Author: klenq
Link: https://klenq.github.io/2021/11/10/SSM框架整合/
Copyright Notice: All articles in this blog are licensed under CC BY-NC-SA 4.0 unless stating additionally.
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