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ajax应用

  • 时间:2022-06-10 18:36 编辑: 来源: 阅读:
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摘要:ajax应用
<DIV class=box id=top_bar>Web Tools--Ajax Version </DIV><BR> <DIV class="box general">    天气预报: <INPUT id=Weather size=17 value=北京>   <INPUT onclick=getWeather() type=button value="提 交" name=submit>   <SPAN id=Disp_Weather></SPAN></DIV> <DIV class="box general">  IP地址查询: <INPUT id=Ip maxLength=17 size=17 value=127.0.0.1>   <INPUT onclick=getIp() type=button value="提 交" name=submit>   <SPAN id=Disp_IPArea></SPAN></DIV> <DIV class="box general">手机归属查询: <INPUT id=Mobile maxLength=15 size=17 value=13>   <INPUT onclick=getMobile() type=button value="提 交">   <SPAN id=Disp_MobileArea></SPAN></DIV> <SCRIPT language=JavaScript type=text/javascript>             chgBtnStyle();         </SCRIPT> //针对不同的浏览器获取指定的id对象 function getObj(objID) {     return document.all ? document.all[objID] : document.getElementById(objID); } var req; //使用xmlrequest对象 function createXHR() {     try {         req = new ActiveXObject("Msxml2.XMLHTTP");     }     catch (e) {         try {             req = new ActiveXObject("Microsoft.XMLHTTP");         }         catch (E) {             req = false;         }     }     if (!req && typeof XMLHttpRequest != "undefined") {         req = new XMLHttpRequest();     } } function getWeather() {     createXHR();     req.open("GET", "weather.asp?City=" + getObj("Weather").value, true);     req.send();     req.onreadystatechange = handleStateChange1; } function handleStateChange1() {     if (req.readyState<4){getObj("Disp_Weather").innerText = "正在查询["+getObj("Weather").value+"]天气状况..."}     else if (req.readyState == 4 && req.status == 200) {         getObj("Disp_Weather").innerText = req.responseText;     } else {         getObj("Disp_Weather").innerText = "\u67e5\u8be2\u8fc7\u7a0b\u51fa\u73b0\u8fc7\u7a0b\uff0c\u8bf7\u91cd\u8bd5\u6216\u8054\u7cfb\u7ba1\u7406\u5458\uff01";     } } function checkip() {     var ipArray, ip, j;     ip = getObj("Ip").value;     if (/[^\d\.]/.test(ip)) {         return false;     }     ipArray = ip.split(".");     if (ipArray.length != 4) {         return false;     }     for (var i = 0; i < 4; i++) {         if (ipArray[i].length == 0 || ipArray[i] > 255) {             return false;         }     }     return true; } function getIp() {     if (checkip()) {         createXHR();         req.open("GET", "IpSearch.asp?IP=" + getObj("Ip").value, true);         req.send();         req.onreadystatechange = handleStateChange;     } else {         getObj("Disp_IPArea").innerText = "\u8fd4\u56de\u9519\u8bef\uff1a\u4e0d\u662f\u6b63\u786e\u7684ip";     } } function handleStateChange() {     if (req.readyState<4){getObj("Disp_IPArea").innerText = "正在查询ip["+getObj("Ip").value+"]..."}     else if (req.readyState == 4 && req.status == 200) {         getObj("Disp_IPArea").innerText = req.responseText;     } else {         getObj("Disp_IPArea").innerText = "\u67e5\u8be2\u8fc7\u7a0b\u51fa\u73b0\u9519\u8bef\uff0c\u8bf7\u91cd\u8bd5\u6216\u8054\u7cfb\u7ba1\u7406\u5458\uff01";     } } function checkMobile() {     var sMobile = getObj("Mobile").value;     if (!(/^13[0-9]\d{4,8}$/.test(sMobile))) {         return false;     }     return true; } function getMobile() {     if (checkMobile()) {         createXHR();         req.open("GET", "MobileSearch.asp?Mobile=" + getObj("Mobile").value, true);         req.send();         req.onreadystatechange = handleStateChange2;     } else {         getObj("Disp_MobileArea").innerText = "\u8fd4\u56de\u9519\u8bef\uff1a\u4e0d\u662f\u5b8c\u6574\u768411\u4f4d\u624b\u673a\u53f7\u6216\u8005\u6b63\u786e\u7684\u624b\u673a\u53f7\u524d\u4e03\u4f4d";     } } function handleStateChange2() {     if (req.readyState<4){getObj("Disp_MobileArea").innerText = "正在查询手机号码["+getObj("Mobile").value+"]..."}     else if (req.readyState == 4 && req.status == 200) {         getObj("Disp_MobileArea").innerText = req.responseText;     } else {         getObj("Disp_MobileArea").innerText = "\u67e5\u8be2\u8fc7\u7a0b\u51fa\u73b0\u9519\u8bef\uff0c\u8bf7\u91cd\u8bd5\u6216\u8054\u7cfb\u7ba1\u7406\u5458\uff01";     } } function chgBtnStyle(){     var btn=document.getElementsByTagName("input")     for(var i=0;i<btn.length;i++){         if(btn[i].type=='button'){            btn[i].className="btnStyle";         }     } }
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