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console 命令行工具 X clear 

                    

                        
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console

            
var pro;
var jp;
var initiate = 030;
console.log(initiate);
switch (initiate) {
    case 000:
        pro = "政企";
        jp = "ZhenQi";
        break;
    case 030:
        pro = "国际公司";
        jp = "GuoJi";
        break;
    case 100:
        pro = "北京省";
        jp = "BeuJing";
        break;
    case 200:
        pro = "广东省";
        jp = "GuangDong";
        break;
    case 210:
        pro = "上海省";
        jp = "ShangHai";
        break;
    case 220:
        pro = "天津省";
        jp = "TinaJin";
        break;
    case 230:
        pro = "重庆省";
        jp = "ChongQing";
        break;
    case 240:
        pro = "辽宁省";
        jp = "LiaoNing";
        break;
    case 250:
        pro = "江苏省";
        jp = "JiangSu";
        break;
    case 270:
        pro = "湖北省";
        jp = "HuBei";
        break;
    case 280:
        pro = "四川省";
        jp = "SiChuan";
        break;
    case 290:
        pro = "陕西省";
        jp = "ShaanXi";
        break;
    case 311:
        pro = "河北省";
        jp = "HeBei";
        break;
    case 351:
        pro = "山西省";
        jp = "ShanXi";
        break;
    case 371:
        pro = "河南省";
        jp = "HeNan";
        break;
    case 431:
        pro = "吉林省";
        jp = "JiLin";
        break;
    case 451:
        pro = "黑龙江省";
        jp = "HeiLongJiang";
        break;
    case 471:
        pro = "内蒙古省";
        jp = "NeiMengGu";
        break;
    case 531:
        pro = "山东省";
        jp = "ShanDong";
        break;
    case 551:
        pro = "安徽省";
        jp = "AnHui";
        break;
    case 571:
        pro = "浙江省";
        jp = "ZheJiang";
        break;
    case 591:
        pro = "福建省";
        jp = "FuJian";
        break;
    case 731:
        pro = "湖南省";
        jp = "HuNan";
        break;
    case 771:
        pro = "广西省";
        jp = "GuangXi";
        break;
    case 791:
        pro = "江西省";
        jp = "JingXi";
        break;
    case 851:
        pro = "贵州省";
        jp = "GuiZhou";
        break;
    case 871:
        pro = "云南省";
        jp = "YunNan";
        break;
    case 891:
        pro = "西藏省";
        jp = "XiZang";
        break;
    case 898:
        pro = "海南省";
        jp = "HaiNan";
        break;
    case 931:
        pro = "甘肃省";
        jp = "GanSu";
        break;
    case 951:
        pro = "宁夏省";
        jp = "NingXia";
        break;
    case 971:
        pro = "青海省";
        jp = "QingHai";
        break;
    case 991:
        pro = "新疆省";
        jp = "XinJiang";
}
var serviceType = "011"; //010:组网;011:如云;012:国际业务
var num = "";   //定义用户编号  
for (var i = 0; i < 4; i++) //4位随机数，用以加在时间戳后面。  
{
    num += Math.floor(Math.random() * 10);
}
var manufacturer = "1"; //厂商
var vpnCustomcode = "0000101";//客户标识码
console.log("VPNID", jp + "-" + serviceType + "-" + manufacturer +
    "-" + vpnCustomcode + "-" + num)

var IP = "http://127.0.0.1:8085";
console.log(IP);
let index = IP.lastIndexOf(":");
console.log(index);
let port = IP.substr(index+1);
console.log(port);
console.log(IP.substr(0,index));

            
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>时间判断</title>
</head>
<body>
    <script type="text/javascript" >
        var thetime = '2022-04-17 19:09:00';
        var   d=new   Date(Date.parse(thetime .replace(/-/g,"/")));

        var   curDate=new   Date();
        if(d <=curDate){
            alert("小于当前时间");
        }else{
            alert("大于当前时间");
        }
    </script>
</body>
</html>