ajax+jsp教程 發送大字串字串代碼
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>發送大字串字串</title>
</head>
<body>
<input type="button" value="Send" onClick="send();"/>
</body>
<script type="text/javascript教程">
var xmlHttp = null;
function createXMLHttpRequest(){
if(window.ActiveXObject){
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}else if(Window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
}
}
var bigstr = "$";
for(var i=0;i<500;i++){
//格式：keyi$valuei$
bigstr += "key"+i+"$value"+i+"$";
}
function send(){
createXMLHttpRequest();
xmlHttp.onreadystatechange = process;
xmlHttp.open("POST","TestGetBigStr",true);
xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xmlHttp.send(bigstr);
}
function process(){
if(xmlHttp.readyState==4){
if(xmlHttp.status==200){
alert("發送成功！");
}
}
}
</script>
</html>
<%
Servlet代碼：
package com.test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TestGetBigStr extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
StringBuffer sb = new StringBuffer();
BufferedReader br = new BufferedReader(request.getReader());
String line="";
while((line=br.readLine())!=null){
sb.append(line);
}
System.out.println(sb.toString());
}
}
%>
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