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本文是基于Maven工程实现SSM整合,主要是通过XML实现三大框架的整合,可能有的小伙伴会说XML早就过时了,现在人们都使用注解开发,但是不是这么认为,我个人觉得你XML 整合会了,注解能不会吗? 开干!!!!
<dependencies> <!-- Spring依赖 --> <!-- https://mvnrepository.com/artifact/org.springframework/spring-orm --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>4.3.2.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.3.2.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>4.3.2.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.9.2</version> </dependency> <!-- https://mvnrepository.com/artifact/cglib/cglib --> <dependency> <groupId>cglib</groupId> <artifactId>cglib</artifactId> <version>2.2</version> </dependency> <!-- MySQL驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-Java</artifactId> <version>5.1.3</version> </dependency> <!-- 数据源 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.31</version> </dependency> <!-- MyBatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.8</version> </dependency> <!-- MyBatis与Spring整合 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- 日志 --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.7</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.7</version> </dependency> <!-- Spring进行JSON数据转换依赖 --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.2</version> </dependency> <!-- JSTL标签库 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- junit测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!-- 引入Servlet容器中相关依赖 --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> <scope>provided</scope> </dependency> <!-- JSP页面使用的依赖 --> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1.3-b06</version> <scope>provided</scope> </dependency> </dependencies>
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3307/crowdfunding?useUnicode=true&characterEncoding=utf8 jdbc.username=root jdbc.password=123456
log4j.rootLogger=DEBUG,myConsole log4j.appender.myConsole=org.apache.log4j.ConsoleAppender log4j.appender.myConsole.Target=System.out log4j.appender.myConsole.layout=org.apache.log4j.PatternLayout log4j.appender.myConsole.layout.ConversionPattern=[%-5p] %d(%r) --> [%t] %l: %m %x %n
在配置文件spring-persist-mybatis.xml,分为两步:加载外部的属性文件,配置数据源
<!--加载外部的属性文件--> <context:property-placeholder location="classpath:db.properties"></context:property-placeholder> <!--配置数据源--> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"> <property name="username" value="${jdbc.username}"></property> <property name="password" value="${jdbc.password}"></property> <property name="url" value="${jdbc.url}"></property> <property name="driverClassName" value="${jdbc.driver}"></property> </bean>
@RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations= {"classpath:/spring/spring-persist-mybatis.xml"}) public class AtcrowFundingAdminTest { @Autowired public DataSource dataSource; @Test public void DataSourceTest() throws Exception{ System.out.println("数据源:"+dataSource.getConnection()); } }
配置 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> <!-- 配置全局属性 --> <settings> <!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 --> <setting name="useGeneratedKeys" value="true" /> <!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} --> <setting name="mapUnderscoreToCamelCase" value="true" /> </settings> </configuration>
在配置文件:spring-persist-mybatis.xml,分为两步:配置SqlSessionFactoryBean,配置mybatis 的包扫描器
<!--配置SqlSessionFactoryBean--> <bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean"> <!--装配数据源--> <property name="dataSource" ref="dataSource"></property> <!--mybatis配置文件所在的位置--> <property name="configLocation" value="classpath:/mybatis/mybatis-config.xml"></property> <!--配置mapper所在的文件位置--> <property name="mapperLocations" value="classpath:/mybatis/mapper/*Mapper.xml"></property> </bean> <!--配置mybatis 的包扫描器--> <bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!--配置mapper所在的包--> <property name="basePackage" value="com.zfcoding.dao"></property> </bean>
到这里spring-persist-mybatis.xml配置文件已经完成了。
完整的文件
<?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-4.0.xsd "> <!--注册组件包扫描,把类上标注了@Controller @Service @Repository @Component 都会自动加入到Spring容器中--> <context:component-scan base-package="com.zfcoding"></context:component-scan> <!--加载外部的属性文件--> <context:property-placeholder location="classpath:db.properties"></context:property-placeholder> <!--配置数据源--> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"> <property name="username" value="${jdbc.username}"></property> <property name="password" value="${jdbc.password}"></property> <property name="url" value="${jdbc.url}"></property> <property name="driverClassName" value="${jdbc.driver}"></property> </bean> <!--配置SqlSessionFactoryBean--> <bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean"> <!--装配数据源--> <property name="dataSource" ref="dataSource"></property> <!--mybatis配置文件所在的位置--> <property name="configLocation" value="classpath:/mybatis/mybatis-config.xml"></property> <!--配置mapper所在的文件位置--> <property name="mapperLocations" value="classpath:/mybatis/mapper/*Mapper.xml"></property> </bean> <!--配置mybatis 的包扫描器--> <bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!--配置mapper所在的包--> <property name="basePackage" value="com.zfcoding.dao"></property> </bean> </beans>
所在配置文件:spring-persist-tx.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/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"> <!--配置事务管理器--> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 配置事务通知 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <!-- 配置事务属性 --> <tx:attributes> <!-- 将查询方法设置为只读 --> <tx:method name="get*" read-only="true"/> <tx:method name="query*" read-only="true"/> <tx:method name="find*" read-only="true"/> <tx:method name="count*" read-only="true"/> <!-- 给增删改方法设置属性 --> <!-- propagation:配置传播行为,REQUIRES_NEW表示必须工作在自己新开的事务中,不受其他事务回滚影响 --> <!-- rollback-for:配置回滚的异常,默认是根据运行时异常回滚,为了抛出编译时异常也回滚,设置为java.lang.Exception --> <tx:method name="save*" propagation="REQUIRES_NEW" rollback-for="java.lang.Exception"/> <tx:method name="remove*" propagation="REQUIRES_NEW" rollback-for="java.lang.Exception"/> <tx:method name="update*" propagation="REQUIRES_NEW" rollback-for="java.lang.Exception"/> </tx:attributes> </tx:advice> <!-- 配置事务切面 --> <aop:config> <!-- 切入点表达式 --> <aop:pointcut id="txPointCut" expression="execution (* com.zfcoding.service..*.*(..))"/> <!-- 将事务通知和切入点表达式关联起来 --> <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"></aop:advisor> </aop:config> </beans>
开启注解驱动,配置视图解析器
<?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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd "> <!--开启注解驱动--> <mvc:annotation-driven/> <!-- 配置视图解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/"/> <property name="suffix" value=".jsp"/> </bean> <context:component-scan base-package="com.zfcoding.controller"></context:component-scan> </beans>
配置监听器(contextConfigLocation)加载spring-persist-mybatis.xml,spring-persist-tx.xml配置文件,
配置DispatchServlet加载spring-web-mvc.xml配置文件
配置过滤器编码的格式
这些文件在项目启动的时候加载到Sping容器当中。
<?xml version="1.0" encoding="UTF-8"?> <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" version="2.5"> <!--配置监听器--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--项目启动加载spring的配置文件--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:/spring/spring-persist-*.xml</param-value> </context-param> <!--配置DispatchServlet--> <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/spring-web-mvc.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>*.action</url-pattern> </servlet-mapping> <!--配置过滤器--> <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> <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>
@Controller @RequestMapping("admin") public class AdminController { @Autowired public AdminService adminService; @RequestMapping("/findall") public String findAll(Model model) { List<AdminBean> list = adminService.findAllAdmin(); model.addAttribute("list", list); return "admin"; } }
请求路径: http://localhost :8080/ssm_war_exploded/admin/findall.action
页面响应
AdminBean{id=1, loginAcct='admin', userPswd='123', userName='你好', email='', createTime='null'}
到此SSM 基本功能的整合已经完成了。
源码下载