当前位置:编程学习 > JSP >>

ajax+jsp 发送大字符串字符串代码

ajax+jsp教程 发送大字符串字符串代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  <title>发送大字符串字符串</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("发送成功!");
  }
  }
  }
  </script>
</html>
 <%
 Servlet代码:
 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());
 }
 }
%>

补充:Jsp教程,J2ME开发 
CopyRight © 2012 站长网 编程知识问答 www.zzzyk.com All Rights Reserved
部份技术文章来自网络,