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    ajax应用

    作者:admin 时间:2021-09-22 19:19

    <DIV class=box id=top_bar>Web Tools--Ajax Version </DIV><BR>
    <DIV class="box general">&nbsp;&nbsp;&nbsp;&nbsp;天气预报: <INPUT id=Weather size=17
    value=北京> &nbsp; <INPUT onclick=getWeather() type=button value="提 交" name=submit> &nbsp; <SPAN
    id=Disp_Weather></SPAN></DIV>
    <DIV class="box general">&nbsp;&nbsp;IP地址查询: <INPUT id=Ip maxLength=17 size=17
    value=127.0.0.1> &nbsp; <INPUT onclick=getIp() type=button value="提 交" name=submit> &nbsp; <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>
    &nbsp; <INPUT onclick=getMobile() type=button value="提 交"> &nbsp; <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";
            }
        }
    }

    jsjbwy
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