struts2 prototype ajax集成

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prototype

prototype Ajax Struts Java JSP

<!--index.jsp-->
	<script type="text/javascript" src="js/prototype.js"></script>
	

  </head>
  
  <body>
<script>
    function getHTML()
    {
           var url = "one.action";
        var pars = "someParameter=ABC";

         var myAjax = new Ajax.Updater("divM", url, {method: "post", parameters: pars});

    }
</script>

<input type=button value="点击" onclick="getHTML()">
<div id="divM"></div>
  </body>
</html>

action类

package com.action;

import java.util.ArrayList;
import java.util.List;

import net.sf.json.JSONObject;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class JsonAction extends ActionSupport {
	

	private User user;

	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}




	public String forward() {

		System.out.println(ServletActionContext.getRequest().getParameter(
				"someParameter"));
		List list = new ArrayList();

		User u = new User();
		u.setName("1234.567");
		u.setAge(22);
		list.add(u);
		list.add(u);
		ServletActionContext.getRequest().setAttribute("u", u);

		return "login";
	}

}

User实体

package com.action;

import java.util.List;

public class User {
	private String name;
	private int age;


	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

}

struts.xml

<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
	<constant name="struts.i18n.encoding" value="UTF-8"></constant>
	<package name="ttttt" extends="json-default">
		<action name="jsonAction" class="com.action.JsonAction">
		</action>
			<action name="one" class="com.action.JsonAction"
				method="forward">
				<result name="login">/ok.jsp</result>
			</action>
	</package>
</struts>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" 
	xmlns="http://java.sun.com/xml/ns/j2ee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
	http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<filter>
		<!-- 定义核心Filter的名字 -->
		<filter-name>struts2</filter-name>
		<!-- 定义核心Filter的实现类 -->
		<filter-class>
			org.apache.struts2.dispatcher.FilterDispatcher
			</filter-class>
	</filter>

	<!-- FilterDispatcher用来初始化Struts 2并且处理所有的Web请求 -->
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
</web-app>

ok.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
 <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>
 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>


  </head>
  
  <body>

   <h1>${u.name } </h1>
      <h1>${u.age } </h1>
   
  </body>
</html>