编辑代码

var cardLogObj = {empeeId: "empeeId"};
    cardLogObj["decodeType"] = "2000";
    cardLogObj["busiType"] = null;
    cardLogObj["readType"] = "6";
    cardLogObj["readDeviceType"] = "身份证读卡";


    console.log(cardLogObj);


    // console.log(Object.keys(cardLogObj));
    var a = '';
    for(item in cardLogObj){//遍历对象
        if(a == ''){
            a = item+"="+cardLogObj[item];
        }else{
            a += "&"+item+"="+cardLogObj[item];
        }
    }

    console.log(a)