SOURCE

var test={
    "svcCaller":"svcCaller",
    "timestamp":"timestamp",
    "sheetDetail":{
         "customerNumber":"0000101",
         "serialNo" : "serialNo",
         "sheetNo" : "sheetNo",
         "serviceType" : "010",
         "sheetType" : "036",
         "bdeptContact":"bdeptContact",
         "bdeptContactPhone":"13333333333",
         "dealTime1":"dealTime1",
         "initiate":"311",
         "solutionAtt":"http://url",
    },
    "opDetail":{
         "requestID":"requestID",
         "topology":"1",
         "memo":"",
         "vpnCustomcode":"0000101",
         "dealTime":"",
         "vpnName":"FullmeshCPE"
    },
    "reserved":{
         "manufacturer" : "1"
    }
} ;
console.log(test);
let sheetDetail=test.sheetDetail,
    opDetail=test.opDetail,
    reserved=test.reserved;
console.log(sheetDetail,opDetail,reserved);
//VPNID生成
function creatVPNID(sheetDetail,reserved){
    let pro;
    let jp;
    //var initiate = 311;
    //console.log(sheetDetail.initiate);
    switch (sheetDetail.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";
    }
    let serviceType =sheetDetail.serviceType; //010:组网;011:如云;012:国际业务
    let num = "";   //定义用户编号  
    for (let 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);
    }
    let manufacturer = reserved.manufacturer; //厂商
    let vpnCustomcode = opDetail.vpnCustomcode;//客户标识码
    let VPNID =sheetDetail.initiate + "-" + serviceType + "-" + manufacturer +
        "-" + vpnCustomcode + "-" + num;
    //console.log(VPNID);
    return VPNID;
}

let vpnnum= creatVPNID(sheetDetail,reserved);
console.log(vpnnum);