一、准备工作

开始之前，先参考上一篇：

struts2.3.24 + spring4.1.6 + hibernate4.3.11 + mysql5.5.25 开发环境搭建及相关说明

思路都是一样的，只不过把struts2替换成了spring mvc

二、不同的地方

工程目录及jar包：

action包改成controller；

删除struts2 jar包，添加spring mvc包（已有的话，不需添加）；

web.xml配置：

跟之前不同的地方是把struts2的过滤器替换成了一个servlet，主要目的是路由url，交给spring mvc处理；

<"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_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>SSH</display-name> <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> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> </web-app>

applicationContext.xml配置：

不同的地方主要是配置自动扫描的时候，要排除@Controller组件，这些bean是由spring mvc 去生成的；

其它配置跟前一篇一样；

<"1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:jdbc="http://www.springframework.org/schema/jdbc" 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.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd"> <!-- scans the classpath for annotated components (including @Repostory and @Service that will be auto-registered as Spring beans --> <context:component-scan base-package="ssh" > <> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" /> </context:component-scan> <> <bean name="dataSource" destroy-method="close"> <property name="driverClass" value="com.mysql.jdbc.Driver" /> <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/demo" /> <property name="user" value="root" /> <property name="password" value="root" /> <property name="acquireIncrement" value="1"></property> <property name="initialPoolSize" value="80"></property> <property name="maxIdleTime" value="60"></property> <property name="maxPoolSize" value="80"></property> <property name="minPoolSize" value="50"></property> <property name="acquireRetryDelay" value="1000"></property> <property name="acquireRetryAttempts" value="60"></property> <property name="breakAfterAcquireFailure" value="false"></property> <> </bean> <bean id="sessionFactory"> <property name="dataSource" ref="dataSource" /> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="connection.pool_size">10</prop> <prop key="current_session_context_class">thread</prop> <prop key="hibernate.cache.use_second_level_cache">true</prop> <prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop> <prop key="hibernate.cache.use_query_cache">true</prop> <prop key="hibernate.cache.provider_configuration_file_resource_path">ehcache.xml</prop> </props> </property> <property name="mappingLocations"> <list> <value>classpath:ssh/model/User.hbm.xml</value> </list> </property> <!-- <property name="annotatedClasses"> <list> <value>ssh.model.User</value> </list> </property> --> </bean> <> <bean id="transactionManager" > <property name="sessionFactory" ref="sessionFactory" /> </bean> <> <tx:advice id="txadvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="add*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/> <tx:method name="delete*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/> <tx:method name="update*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/> <tx:method name="save*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut id="pcMethod" expression="execution(* ssh.service..*.*(..))" /> <aop:advisor pointcut-ref="pcMethod" advice-ref="txadvice" /> </aop:config> <> <bean id="aopTest"></bean> <bean id="myAop"></bean> <aop:config proxy-target-class="true"> <aop:aspect ref="myAop"> <aop:pointcut id="pcMethodTest" expression="execution(* ssh.aop.AopTest.test*(..))"/> <aop:before pointcut-ref="pcMethodTest" method="before"/> <aop:after pointcut-ref="pcMethodTest" method="after"/> </aop:aspect> </aop:config> </beans>

springmvc-servlet.xml配置：

配置自动扫描ssh.controller包下的@Controller，这里要恢复applicationContext.xml中配置的exclude-filter；

配置视图解析器，有很多解析器，这里以InternalResourceViewResolver为例；

<"1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd "> <> <context:component-scan base-package="ssh.controller" > <> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" /> </context:component-scan> <> <bean> <property name="prefix"> <value>/WEB-INF/jsp/</value> </property> <property name="suffix"> <value>.jsp</value> </property> </bean> </beans>

编写controller：

由于使用spring mvc替换struts2，也就没有了action包了，删除，并新建controller包，在包下新建UserController类;

@RequestMapping：映射url；

@ResponseBody：内容直接作为body返回；

UserController.java

package ssh.controller; import java.io.PrintWriter; import java.util.List; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import ssh.aop.AopTest; import ssh.model.User; import ssh.service.UserService; import com.google.gson.Gson; @Controller @RequestMapping("/user") public class UserController { Logger logger = Logger.getLogger(UserController.class); @Resource private UserService userService; @Resource private AopTest aopTest; @RequestMapping(value="/addUser") @ResponseBody public void addUser(HttpServletRequest request, HttpServletResponse response){ PrintWriter out = null; try{ response.setContentType("text/html;charset=UTF-8"); String account = request.getParameter("account"); String name = request.getParameter("name"); String address = request.getParameter("address"); User user = new User(); user.setAccount(account); user.setAddress(address); user.setName(name); userService.add(user); out = response.getWriter(); out.write(new Gson().toJson("success")); }catch(Exception e){ e.printStackTrace(); logger.error(e.getMessage()); if(out != null) out.write(new Gson().toJson("fail")); }finally{ out.flush(); out.close(); } } @RequestMapping(value="/queryUser") @ResponseBody public void queryAllUser(HttpServletRequest request, HttpServletResponse response){ PrintWriter out = null; aopTest.test1(); aopTest.test2(); try { response.setContentType("text/html;charset=UTF-8"); Gson gson = new Gson(); List<User> userList= userService.queryAllUser(); String gsonStr = gson.toJson(userList); out = response.getWriter(); out.write(gsonStr); } catch (Exception e) { e.printStackTrace(); logger.error(e.getMessage()); if(out != null) out.write(new Gson().toJson("fail")); }finally{ out.flush(); out.close(); } } }

三、运行程序

运行程序，添加用户、查询用户功能正常；

另外二级缓存也正常工作，第二次查询已经没有操作数据库了；

@author 风一样的码农

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持查字典教程网。

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