1，

    // 獲取省市縣位置

    $(function () {
        var latlon = null;
        //ajax獲取使用者所在經緯度
        $.ajax({
            url: "http://api.map.baidu.com/location/ip?ak=2TGbi6zzFm5rjYKqPPomh9GBwcgLW5sS&coor=bd09ll",
            type: "POST",
            dataType: "jsonp",
            success: function (data) {
                
 
// 獲取經緯度  22.54605355,114.02597366
                latlon = data.content.point.y + "," + data.content.point.x;
                console.log(latlon);
                //ajax根據經緯度獲取省市區
                $.ajax({
                    type: "POST",
                    dataType: "jsonp",
                    url: 'http://api.map.baidu.com/geocoder/v2/?ak=2TGbi6zzFm5rjYKqPPomh9GBwcgLW5sS&callback=renderReverse&location=' + latlon + '&output=json&pois=0',
                    success: 
 
function (json) {
                        if (json.status == 0) {
                            // 獲取省市區   廣東省 深圳市 福田區
                            console.log(json.result.addressComponent.province+' '+json.result.addressComponent.city+' '+json.result.addressComponent.district);
                        }
                    }
                });
            }
        });




        
 
// 獲取本機的北京時間

        // Wed Dec 02 2020 11:39:04 GMT+0800 (中國標準時間)
        var ti = new Date($.ajax({async: false}).getResponseHeader("Date"));
        console.log(ti);

        // 2020-12-2 11:39:04
        var datetime = ti.toLocaleString('chinese', { hour12: false }).split('/').join('-');
        console.log(datetime);

        // 2020-12-2 11:39:04
        var datetime1 = ti.getFullYear() + '-' + (ti.getMonth() + 1) + '-' + ti.getDate() + ' ' + ti.getHours() + ':' + ti.getMinutes() + ':' + ti.getSeconds();
        console.log(datetime1);

        // 2020-12-2
        var datetime2 = ti.getFullYear() + '-' + (ti.getMonth() + 1) + '-' + ti.getDate();
        console.log(datetime2);



        // 騰訊獲取當前時間API         http://vv.video.qq.com/checktime?otype=json
        // 蘇寧易購獲取當前時間API     https://f.m.suning.com/api/ct.do

        // 淘寶獲取當前時間API         http://api.m.taobao.com/rest/api3.do?api=mtop.common.getTimestamp
        // 京東獲取當前時間API         https://a.jd.com//ajax/queryServerData.html

        // 獲取網路的北京時間

        $.ajax({
            type: "POST",
            dataType: "jsonp",
            url: 'http://vv.video.qq.com/checktime?otype=json',
            success: function (json) {
                //  {s: "o", t: 1606890761, ip: "119.136.32.154", pos: "---", rand: "q1KyWQ2XJEgfl7j2K7Vfrg=="}
                console.log(json);
                // 獲取當前北京時間戳   1606890339
                // console.log(json.t);
                var ti = json.t * 1000;
                // 2020-12-02
                console.log(getYMDHMS (ti));
                // 獲取當前IP          119.136.32.154
                console.log(json.ip);
                // 獲取唯一的隨機數     ffe7-72lffnTymU9am1VoA==
                console.log(json.rand);
                // if (json.status == 0) {
                // }
            }
        });

        // 獲取本機時間戳
        // console.log(Math.round(new Date() / 1000));

        // 時間戳轉換yyyy-mm-dd
        function getYMDHMS (timestamp) {
            let time = new Date(timestamp)
            let year = time.getFullYear()
            let month = time.getMonth() + 1
            let date = time.getDate()
            let hours = time.getHours()
            let minute = time.getMinutes()
            let second = time.getSeconds()
            if (month < 10) { month = '0' + month }
            if (date < 10) { date = '0' + date }
            if (hours < 10) { hours = '0' + hours }
            if (minute < 10) { minute = '0' + minute }
            if (second < 10) { second = '0' + second }
            // return year + '-' + month + '-' + date + ' ' + hours + ':' + minute + ':' + second
            return year + '-' + month + '-' + date
        };




    });