【下载文档:  ajax应用.txt 】

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ajax应用

//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