ssm整合

准备工作

1. 添加依赖

 <dependencies>
     <!--Junit-->
     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
         <version>4.12</version>
     </dependency>
     <!--数据库驱动-->
     <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
         <version>5.1.47</version>
     </dependency>
     <!-- 数据库连接池 -->
     <dependency>
         <groupId>com.mchange</groupId>
         <artifactId>c3p0</artifactId>
         <version>0.9.5.2</version>
     </dependency><!--Servlet - JSP -->
     <dependency>
         <groupId>javax.servlet</groupId>
         <artifactId>servlet-api</artifactId>
         <version>2.5</version>
     </dependency>
     <dependency>
         <groupId>javax.servlet.jsp</groupId>
         <artifactId>jsp-api</artifactId>
         <version>2.2</version>
     </dependency>
     <dependency>
         <groupId>javax.servlet</groupId>
         <artifactId>jstl</artifactId>
         <version>1.2</version>
     </dependency><!--Mybatis-->
     <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis</artifactId>
         <version>3.5.2</version>
     </dependency>
     <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis-spring</artifactId>
         <version>2.0.2</version>
     </dependency><!--Spring-->
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-webmvc</artifactId>
         <version>5.1.9.RELEASE</version>
     </dependency>
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-jdbc</artifactId>
         <version>5.1.9.RELEASE</version>
     </dependency>
 </dependencies>

2. maven资源过滤(pom.xml)

 <build>
     <resources>
         <resource>
             <directory>src/main/java</directory>
             <includes>
                 <include>**/*.properties</include>
                 <include>**/*.xml</include>
             </includes>
             <filtering>false</filtering>
         </resource>
         <resource>
             <directory>src/main/resources</directory>
             <includes>
                 <include>**/*.properties</include>
                 <include>**/*.xml</include>
             </includes>
             <filtering>false</filtering>
         </resource>
     </resources>
 </build>

3.完整目录

pojo/service/comtroller/dao

4. 新建 mybatis-config.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>

5.新建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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans.xsd"></beans>

2.mybatis层

1.新建database.properties 数据库配置文件

 jdbc.driver=com.mysql.jdbc.Driver
 # useSSL属性为是否使用ssl安全链接,可能导致无法访问数据库
 jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
 jdbc.username=root
 jdbc.password=123

2.更改mybatis核心配置文件 mybatis-config.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>
     
     <!--别名,为了使用model类时方便,不需要写全名-->
     <typeAliases>
         <package name="com.mvc.pojo"/>
     </typeAliases>
     
     <!--绑定mapper映射文件-->
     <mappers>
         <mapper resource="mappers/userMapper.xml"/>
     </mappers></configuration>

3.实体类编写

4.dao层编写,mapper接口

5.编写对应的mapper.xml配置文件

 <?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>
 <select id="selectAllUser" resultType="User">
        SELECT * from user
     </select>
 </mapper>

6.编写service层以及实现借口(service层调用dao层)

Spring层

1.编写spring-dao.xml配置文件,用来整合mybatis

 
<?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"
        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"><!-- 配置整合mybatis -->
     <!-- 1.关联数据库文件 -->
     <context:property-placeholder location="classpath:database.properties"/><!-- 2.数据库连接池 -->
     <!--数据库连接池
 dbcp 半自动化操作 不能自动连接
 c3p0 自动化操作(自动的加载配置文件 并且设置到对象里面)
     -->
     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
 <!-- 配置连接池属性 -->
 <property name="driverClass" value="${jdbc.driver}"/>
 <property name="jdbcUrl" value="${jdbc.url}"/>
 <property name="user" value="${jdbc.username}"/>
 <property name="password" value="${jdbc.password}"/><!-- c3p0连接池的私有属性 -->
 <property name="maxPoolSize" value="30"/>
 <property name="minPoolSize" value="10"/>
 <!-- 关闭连接后不自动commit -->
 <property name="autoCommitOnClose" value="false"/>
 <!-- 获取连接超时时间 -->
 <property name="checkoutTimeout" value="10000"/>
 <!-- 当获取连接失败重试次数 -->
 <property name="acquireRetryAttempts" value="2"/>
     </bean><!-- 3.配置SqlSessionFactory对象 -->
     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
 <!-- 注入数据库连接池 -->
 <property name="dataSource" ref="dataSource"/>
 <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
 <property name="configLocation" value="classpath:mybatis-config.xml"/>
     </bean><!-- 4.配置扫描Dao接口包,动态实现Dao接口注入到spring容器中 -->
     <!--解释 : https://www.cnblogs.com/jpfss/p/7799806.html-->
     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
 <!-- 注入sqlSessionFactory -->
 <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
 <!-- 给出需要扫描Dao接口包 -->
 <property name="basePackage" value="com.mvc.dao"/>
     </bean></beans>

2.编写spring-service.xml配置文件,Spring整合service层

 <?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"
        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"><!-- 扫描service相关的bean -->
     <context:component-scan base-package="com.mvc.service" /><!--BookServiceImpl注入到IOC容器中-->
     <bean id="BookServiceImpl" class="com.mvc.service.UserServiceImpl">
 <property name="userMapper" ref="userMapper"/>
     </bean><!-- 配置事务管理器 -->
     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
 <!-- 注入数据库连接池 -->
 <property name="dataSource" ref="dataSource" />
     </bean></beans>

MVC层

1.web.xml

  
<!--DispatcherServlet-->
     <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:applicationContext.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><!--encodingFilter-->
     <filter>
         <filter-name>encodingFilter</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>encodingFilter</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>
     
     <!--Session过期时间-->
     <session-config>
         <session-timeout>15</session-timeout>
     </session-config>

 

2.编写spring-mvc.xml配置文件, Spring整合MVC层

 <?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
     http://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SpringMVC -->
     <!-- 1.开启SpringMVC注解驱动 -->
     <mvc:annotation-driven />
     <!-- 2.静态资源默认servlet配置-->
     <mvc:default-servlet-handler/><!-- 3.配置jsp 显示ViewResolver视图解析器 -->
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
         <property name="prefix" value="/WEB-INF/jsp/" />
         <property name="suffix" value=".jsp" />
     </bean><!-- 4.扫描web相关的bean -->
     <context:component-scan base-package="com.mvc.controller" /></beans>

3.配置整合文件applicaitonContext.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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans.xsd"><import resource="spring-dao.xml"/>
     <import resource="spring-service.xml"/>
     <import resource="spring-mvc.xml"/>
     
 </beans>

事务

  <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="add" propagation="REQUIRED"/>
            <tx:method name="delete" propagation="REQUIRED"/>
            <tx:method name="update" propagation="REQUIRED"/>
            <tx:method name="query" read-only="true"/>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice><aop:config>
        <aop:pointcut id="txPointCut" expression="execution(* com.tedu.dao.*.*())"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"/>
    </aop:config>

准备工作

1. 添加依赖

 <dependencies>
     <!--Junit-->
     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
         <version>4.12</version>
     </dependency>
     <!--数据库驱动-->
     <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
         <version>5.1.47</version>
     </dependency>
     <!-- 数据库连接池 -->
     <dependency>
         <groupId>com.mchange</groupId>
         <artifactId>c3p0</artifactId>
         <version>0.9.5.2</version>
     </dependency>
 
     <!--Servlet - JSP -->
     <dependency>
         <groupId>javax.servlet</groupId>
         <artifactId>servlet-api</artifactId>
         <version>2.5</version>
     </dependency>
     <dependency>
         <groupId>javax.servlet.jsp</groupId>
         <artifactId>jsp-api</artifactId>
         <version>2.2</version>
     </dependency>
     <dependency>
         <groupId>javax.servlet</groupId>
         <artifactId>jstl</artifactId>
         <version>1.2</version>
     </dependency>
 
     <!--Mybatis-->
     <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis</artifactId>
         <version>3.5.2</version>
     </dependency>
     <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis-spring</artifactId>
         <version>2.0.2</version>
     </dependency>
 
     <!--Spring-->
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-webmvc</artifactId>
         <version>5.1.9.RELEASE</version>
     </dependency>
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-jdbc</artifactId>
         <version>5.1.9.RELEASE</version>
     </dependency>
 </dependencies>

2. maven资源过滤(pom.xml)

 <build>
     <resources>
         <resource>
             <directory>src/main/java</directory>
             <includes>
                 <include>**/*.properties</include>
                 <include>**/*.xml</include>
             </includes>
             <filtering>false</filtering>
         </resource>
         <resource>
             <directory>src/main/resources</directory>
             <includes>
                 <include>**/*.properties</include>
                 <include>**/*.xml</include>
             </includes>
             <filtering>false</filtering>
         </resource>
     </resources>
 </build>

3.完整目录

pojo/service/comtroller/dao

4. 新建 mybatis-config.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>

5.新建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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans.xsd">
 
 </beans>

2.mybatis层

1.新建database.properties 数据库配置文件

 jdbc.driver=com.mysql.jdbc.Driver
 # useSSL属性为是否使用ssl安全链接,可能导致无法访问数据库
 jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
 jdbc.username=root
 jdbc.password=123

2.更改mybatis核心配置文件 mybatis-config.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>
     
     <!--别名,为了使用model类时方便,不需要写全名-->
     <typeAliases>
         <package name="com.mvc.pojo"/>
     </typeAliases>
     
     <!--绑定mapper映射文件-->
     <mappers>
         <mapper resource="mappers/userMapper.xml"/>
     </mappers>
 
 </configuration>

3.实体类编写

4.dao层编写,mapper接口

5.编写对应的mapper.xml配置文件

 <?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>
 <select id="selectAllUser" resultType="User">
        SELECT * from user
     </select>
 </mapper>

6.编写service层以及实现借口(service层调用dao层)

Spring层

1.编写spring-dao.xml配置文件,用来整合mybatis

 <?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"
        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">
 
     <!-- 配置整合mybatis -->
     <!-- 1.关联数据库文件 -->
     <context:property-placeholder location="classpath:database.properties"/>
 
     <!-- 2.数据库连接池 -->
     <!--数据库连接池
 dbcp 半自动化操作 不能自动连接
 c3p0 自动化操作(自动的加载配置文件 并且设置到对象里面)
     -->
     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
 <!-- 配置连接池属性 -->
 <property name="driverClass" value="${jdbc.driver}"/>
 <property name="jdbcUrl" value="${jdbc.url}"/>
 <property name="user" value="${jdbc.username}"/>
 <property name="password" value="${jdbc.password}"/>
 
 <!-- c3p0连接池的私有属性 -->
 <property name="maxPoolSize" value="30"/>
 <property name="minPoolSize" value="10"/>
 <!-- 关闭连接后不自动commit -->
 <property name="autoCommitOnClose" value="false"/>
 <!-- 获取连接超时时间 -->
 <property name="checkoutTimeout" value="10000"/>
 <!-- 当获取连接失败重试次数 -->
 <property name="acquireRetryAttempts" value="2"/>
     </bean>
 
     <!-- 3.配置SqlSessionFactory对象 -->
     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
 <!-- 注入数据库连接池 -->
 <property name="dataSource" ref="dataSource"/>
 <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
 <property name="configLocation" value="classpath:mybatis-config.xml"/>
     </bean>
 
     <!-- 4.配置扫描Dao接口包,动态实现Dao接口注入到spring容器中 -->
     <!--解释 : https://www.cnblogs.com/jpfss/p/7799806.html-->
     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
 <!-- 注入sqlSessionFactory -->
 <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
 <!-- 给出需要扫描Dao接口包 -->
 <property name="basePackage" value="com.mvc.dao"/>
     </bean>
 
 </beans>

2.编写spring-service.xml配置文件,Spring整合service层

 <?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"
        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">
 
     <!-- 扫描service相关的bean -->
     <context:component-scan base-package="com.mvc.service" />
 
     <!--BookServiceImpl注入到IOC容器中-->
     <bean id="BookServiceImpl" class="com.mvc.service.UserServiceImpl">
 <property name="userMapper" ref="userMapper"/>
     </bean>
 
     <!-- 配置事务管理器 -->
     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
 <!-- 注入数据库连接池 -->
 <property name="dataSource" ref="dataSource" />
     </bean>
 
 </beans>

MVC层

1.web.xml

  <!--DispatcherServlet-->
     <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:applicationContext.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>
 
     <!--encodingFilter-->
     <filter>
         <filter-name>encodingFilter</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>encodingFilter</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>
     
     <!--Session过期时间-->
     <session-config>
         <session-timeout>15</session-timeout>
     </session-config>

 

2.编写spring-mvc.xml配置文件, Spring整合MVC层

 <?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
     http://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SpringMVC -->
     <!-- 1.开启SpringMVC注解驱动 -->
     <mvc:annotation-driven />
     <!-- 2.静态资源默认servlet配置-->
     <mvc:default-servlet-handler/>
 
     <!-- 3.配置jsp 显示ViewResolver视图解析器 -->
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
         <property name="prefix" value="/WEB-INF/jsp/" />
         <property name="suffix" value=".jsp" />
     </bean>
 
     <!-- 4.扫描web相关的bean -->
     <context:component-scan base-package="com.mvc.controller" />
 
 </beans>

3.配置整合文件applicaitonContext.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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans.xsd">
 
     <import resource="spring-dao.xml"/>
     <import resource="spring-service.xml"/>
     <import resource="spring-mvc.xml"/>
     
 </beans>
  <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="add" propagation="REQUIRED"/>
            <tx:method name="delete" propagation="REQUIRED"/>
            <tx:method name="update" propagation="REQUIRED"/>
            <tx:method name="query" read-only="true"/>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>
 
    <aop:config>
        <aop:pointcut id="txPointCut" expression="execution(* com.tedu.dao.*.*())"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"/>
    </aop:config>

 

 

原文地址:https://www.cnblogs.com/liqbk/p/12774068.html