zoukankan      html  css  js  c++  java
  • AJAX原始用法

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <title>Ajax</title>
    <mce:script type="text/javascript"><!--

    var xmlHttp;

    function createXMLHttpRequest(){
    if(window.ActiveXObject){
    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } else {
    xmlHttp = new XMLHttpRequest();
    }
    }

    function sendServer() {

    var name = document.getElementById("myText").value;

    var v = encodeURIComponent(name)

    //alert(name);
    //alert(v);

    //var time = new Date().getTime();

    createXMLHttpRequest();
    //xmlHttp.open("GET","ajax.do?name="+v+"&date="+time,true);
    xmlHttp.open("GET","ajax.do?name="+v,true);
    //xmlHttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
    xmlHttp.onreadystatechange = callback;
    xmlHttp.send();
    }

    function callback(){
    if(xmlHttp.readyState == 4){
    document.getElementById("pic").style.display = "none";
    if(xmlHttp.status == 200){
    var text = xmlHttp.responseText;
    //alert(text);
    document.getElementById("cc").innerHTML = text;
    } else {
    alert(xmlHttp.status);
    }
    } else {
    document.getElementById("pic").style.display = "block";
    }
    }


    //
    --></mce:script>
    </head>

    <body>
    <input type="text" id="myText"/>
    <div id="pic" style="display:none" mce_style="display:none">
    <img alt="" src="images/loading.gif" mce_src="images/loading.gif"/>
    </div>
    <div>
    <input type="button" value="Ajax Send" onclick="sendServer()"/>
    </div>
    <div id="cc"></div>
    </body>
    </html>

  • 相关阅读:
    s3c6410 SD卡启动的Secure mode
    转载:在WinCE中实现Screen Rotation
    Linux常用的
    49美元Android PC驾到!威盛APC初探
    通过ImageIO创建任意大小图片缩略图(image thumbnail)
    MongoDB中的注意事项
    PHP连接Mongo时的数据库指定
    MongoDB与PHP的简单应用
    关于MongoDB的group用法
    MongoDB的管理
  • 原文地址:https://www.cnblogs.com/archie2010/p/1945164.html
Copyright © 2011-2022 走看看