spring mvc 多方法-简单例子
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package com.jp.action;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.bind.RequestUtils;
import org.springframework.web.bind.ServletRequestBindingException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.InternalResourceView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;
/**
// 实现Controller接口中的handleRequest方法
public ModelAndView handleRequest(HttpServletRequest req,
HttpServletResponse res) throws Exception {
// TODO Auto-generated method stub
Map model=new HashMap();
model.put("helloWorld",getHelloWorld());
return new ModelAndView(getViewPage(),model);
}
* @author user
*
*/
//http://localhost:8080/myApp/helloWorld.do
//实现了Controller接口,需要在导入spring.jar包
public class HelloWorldAction extends MultiActionController{
private Logger logger=Logger.getLogger(this.getClass().getName());
// private String helloWorld;
private String viewPage;
public String getViewPage() {
return viewPage;
}
public void setViewPage(String viewPage) {
this.viewPage = viewPage;
}
public ModelAndView insert(HttpServletRequest req,
HttpServletResponse res) throws ServletRequestBindingException {
// TODO Auto-generated method stub
String helloWorld=RequestUtils.getRequiredStringParameter(req, "helloWorld");
Map model=new HashMap();
model.put("helloWorld","insert:"+helloWorld);
return new ModelAndView(getViewPage(),model);
}
public ModelAndView delete(HttpServletRequest req,
HttpServletResponse res) throws ServletRequestBindingException {
// TODO Auto-generated method stub
String helloWorld=RequestUtils.getRequiredStringParameter(req, "helloWorld");
Map model=new HashMap();
model.put("helloWorld","delete:"+helloWorld);
return new ModelAndView(getViewPage(),model);
}
public ModelAndView update(HttpServletRequest req,
HttpServletResponse res) throws ServletRequestBindingException {
// TODO Auto-generated method stub
String helloWorld=RequestUtils.getRequiredStringParameter(req, "helloWorld");
Map model=new HashMap();
model.put("helloWorld","update:"+helloWorld);
return new ModelAndView(getViewPage(),model);
}
}
---dispatcherServlet-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<!-- 定义映射 -->
<bean id="urlMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="helloWorld.do">helloWorldAction</prop>
</props>
</property>
</bean>
<!-- 定义视图 -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass">
<value>org.springframework.web.servlet.view.InternalResourceView</value>
</property>
<!-- 定义JSP存放路径 -->
<property name="prefix">
<value>/WEB-INF/jsp/</value>
</property>
<!-- 定义JSP页面后缀 -->
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<!-- 定义控制器 -->
<bean id="helloWorldAction" class="com.jp.action.HelloWorldAction">
<property name="methodNameResolver">
<ref bean="paraMethodResolver"/>
</property>
<property name="viewPage">
<value>show</value>
</property>
</bean>
<!-- 定义多动作参数 -->
<bean id="paraMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
<property name="paramName">
<value>method</value>
</property>
</bean>
</beans>
-----JSP
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head><title>第二个SpringMVC实例</title></head>
<body>
<form name="HelloWorld" action="/springmvc/helloWorld.do" method="post">
欢迎语:<input type="text" name="helloWorld" value=""/><br/>
<input type="submit" name="method" value="提交">
<input type="submit" name="method" value="insert">
<input type="submit" name="method" value="update">
<input type="submit" name="method" value="detele">
<input type="submit" name="method" value="select">
</form>
</body>
</html>
---SHOW.JSP
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head><title>第二个SpringMVC实例</title></head>
<%String str=(String)request.getAttribute("helloWorld"); %>
<body>
<H1><%=str %></H1>
</body>
</html>
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