springmvc简单示例

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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

6==================================================service-config.xml

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">

<bean id="paraMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
<property name="paramName" value="action"></property>
<property name="defaultMethodName" value="list"></property>
</bean>


<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>


<bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="test.do">testController</prop>
</props>
</property>
</bean>


<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>
<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>


<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">

</head>

<body>
This is my JSP page. <br>
${info }
</body>
</html>