springmvc简单示例

类结构图:

jar包:

Webroot目录:

1.==============================

package com.strive.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
import com.strive.service.TestService;
public class TestController implements Controller{
    /**
     * 测试数据服务类
     */
    private TestService testService;
    @Override
    public ModelAndView handleRequest(HttpServletRequest request,
            HttpServletResponse response) throws Exception {
         System.out.println("TestController.handlerRequest()");
         request.setAttribute("info", "Hello World! HCML");//设置变量
         this.testService.add(request.getParameter("name"));//添加用户信息
          return new ModelAndView("index");//指定跳转的视图名称
    }
    public TestService getTestService() {
        return testService;
    }
    public void setTestService(TestService testService) {
        this.testService = testService;
    }
    
}

2.====================

package com.strive.dao;

import com.strive.entity.Test;

public class TestDao {
       
    public void add(Test test ){
        System.out.println("TestDao.add(Test.class)");
    }
    
}

3.===========================

package com.strive.entity;

public class Test {
    //编号
      private Integer id;
      //测试名称
      private String name;
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
      
      
}

4.=============================================

package com.strive.service;

import com.strive.dao.TestDao;
import com.strive.entity.Test;

public class TestService {
    //测试实体的dao类
    private TestDao testDao;

    public void add(String name){
        System.out.println("TestService.add()");
        Test test=new Test();
        test.setId(10);
        test.setName(name);
        this.testDao.add(test);//添加数据到数据库中
    }
    
    public TestDao getTestDao() {
        return testDao;
    }

    public void setTestDao(TestDao testDao) {
        this.testDao = testDao;
    }

}

5.==============================================dao-config.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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
        
        <bean id="testDao" class="com.strive.dao.TestDao"></bean>
</beans>

6==================================================service-config.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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
    <!-- test数据服务类 -->
   <bean id="testService" class="com.strive.service.TestService">
    <property name="testDao" ref="testDao"></property>
   </bean>
</beans>

7================================================web-config.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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
   <!-- Controller方法调用规则定义 -->
   <bean id="paraMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
     <property name="paramName" value="action"></property>
     <property name="defaultMethodName" value="list"></property>
   </bean>
   
   <!-- 页面view层基本信息设置 -->
   <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
    <property name="suffix" value=".jsp"></property>
   </bean>
   
   <!-- servlet映射表,所有控制层Controller的servlet在这里定义 -->
    <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
     <property name="mappings">
       <props>
         <prop key="test.do">testController</prop>
       </props>
     </property>
    </bean>
   
   <!-- Controller控制器定义 -->
   <bean id="testController" class="com.strive.controller.TestController">
    <property name="testService" ref="testService"></property>
   </bean>
   
</beans>

8===================================================web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 
 <!-- servlet 的控制器配置 -->
 <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>/WEB-INF/web-config.xml,/WEB-INF/service-config.xml,/WEB-INF/dao-config.xml</param-value>
    </init-param>
      <load-on-startup>1</load-on-startup>
  </servlet>
 
  <!-- 配置访问的时候的后缀 -->
  <servlet-mapping>
  <servlet-name>dispatcherServlet</servlet-name>
  <url-pattern>*.do</url-pattern>
  </servlet-mapping>
</web-app>

9=====================================================index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->
  </head>
 
  <body>
    This is my JSP page. <br>
    ${info }
  </body>
</html>

访问地址:http://localhost:8080/springmvc_01/test.do?name=HC