spring mvc4.1.6 spring4.1.6 hibernate4.3.11 mysql5.5.25开发环境搭

  • Z时代
  • 2024-01-10
  • 分类：IT

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； 

<?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_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； 

<?xml version="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" >
 <!--排除@Controller组件，该组件由SpringMVC配置文件扫描 -->
 <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
 </context:component-scan>
 <!--配数据源 -->
 <bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" 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>
 <!-- 如出现Too many connections, 注意修改mysql的配置文件my.ini,增大最多连接数配置项,(查看当前连接命令:show processlist) -->
 </bean>
 <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
 <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>
 <!-- 配置事务管理器 -->
 <bean id="transactionManager"
 class="org.springframework.orm.hibernate4.HibernateTransactionManager">
 <property name="sessionFactory" ref="sessionFactory" />
 </bean>
 <!-- 事务的传播特性 -->
 <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>
 <!-- 自定义aop处理 测试 -->
 <bean id="aopTest" class="ssh.aop.AopTest"></bean>
 <bean id="myAop" class="ssh.aop.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； 

<?xml version="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
 ">
 <!-- 启动自动扫描该包下所有的Bean(例如@Controller) -->
 <context:component-scan base-package="ssh.controller" >
 <!-- 恢复父容器设置的 exclude-filter，注意包扫描路径ssh.controller-->
 <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" /> 
 </context:component-scan>
 <!-- 定义视图解析器 -->
 <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
 <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

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