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//ajax类库
function ajax(json){
var type=json.type||'GET';
var url=json.url;
var success=json.success;
var error=json.error||false;
var data=json.data||"";
//1、创建AJAX对象
var OAjax;
try{
//Firefox,Opera 8.0+, Safari
OAjax=new XMLHttpRequest();
}catch(e){
//Internet Explorer
try{
OAjax=new ActiveXObject("Msxml2.XMLHTTP");
}catch(e){
try{
OAjax=new ActiveXObject("Microsoft.XMLHTTP");
}catch(e){
alert("你的浏览器不支持AJAX!");
return false;
}
}
}
//2、连接服务器
OAjax.open(type,url,true);
//3、发送请求
OAjax.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=UTF-8");
OAjax.send(data);
//4、接受数据
OAjax.onreadystatechange=function(){
if(OAjax.readyState==4){
if(OAjax.status==200){
var data=OAjax.responseText;
success(data);
}else{
if(error){
error();
}
}
}
}
}
//显示页面
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'page.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">
<style type="text/css">
body{margin:0;padding:0;}
ul ,li{margin:0;padding:0;list-style:none;}
#main{width:940px;height:400px;border:1px solid #d8d8d8;box-shadow:0px 0px 5px;margin:0 auto;}
#main ul{width:900px;height:300px;padding:10px 20px;}
#main ul li{width:100%;height:40px;line-height:40px;border-bottom:1px solid #d8d8d8;margin-bottom:3px;}
#page{width:100%;height:40px;line-height:60px;text-align:center;}
#page a{width:130px;height:40px;line-height:40px;display:inline-block;text-align:center;border:1px solid #ddd;}
#page a:link,#page a:visited{text-decoration:none;}
</style>
<script type="text/javascript" src="./js/ajax1.js"></script>
<script type="text/javascript">
window.onload=function(){
var liNodes=document.getElementById('main').getElementsByTagName('li');
var pageNode=document.getElementById('page');
var aNodes=pageNode.getElementsByTagName('a');
for(var i=0;i<aNodes.length;i++){
aNodes[i].onclick=function(){
var url=this.href;
ajax({
type:'GET',
url:url,
success:function(data){
var data=eval("("+data+")");
for(var i=0;i<data.length;i++){
liNodes[i].innerHTML=data[i];
}
},
error:function(){
alert("request error");
}
});
return false;
}
}
}
</script>
</head>
<body>
<div id="main">
<ul>
<li>afdsafdsafdsafdsafdsafdsafdsafdsa</li>
<li>afdsafdsafdsafdsafdsafdsafdsafdsa</li>
<li>afdsafdsafdsafdsafdsafdsafdsafdsa</li>
<li>afdsafdsafdsafdsafdsafdsafdsafdsa</li>
<li>afdsafdsafdsafdsafdsafdsafdsafdsa</li>
<li>afdsafdsafdsafdsafdsafdsafdsafdsa</li>
</ul>
<div id="page">
<a href="${pageContext.request.contextPath}/doPageServlet?page=1">1</a>
<a href="${pageContext.request.contextPath}/doPageServlet?page=2">2</a>
<a href="${pageContext.request.contextPath}/doPageServlet?page=3">3</a>
</div>
</div>
</body>
</html>
//ajax数据处理程序
package dcr.service.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.json.JSONArray;
public class doPageServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html");
int num=Integer.parseInt(request.getParameter("page"));
PrintWriter writer=response.getWriter();
int pagesize=6;
int start=(num-1)*pagesize;
int end=start+pagesize;
System.out.println(start+":"+end);
String[] data={"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
};
ArrayList dataList=new ArrayList<String>();
for(int i=start;i<end;i++){
dataList.add(data[i]);
}
System.out.println(dataList.toString());
JSONArray jsonArray=JSONArray.fromObject(dataList);
System.out.println(jsonArray.toString());
writer.write(jsonArray.toString());
writer.flush();
writer.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
用到的jar
json-lib-2.4-jdk15.jar commons-beanutils.jar commons-collections.jar commons-lang.jar commons-logging.jar ezmorph-1.0.6.jar