let url =

          window.location.href; // 动态获取当前url

          // 例： "http://i.cnblogs.com/henanyundian/web/app/#/store?userId=12345678&productId=1234567&shopId=1234567&roleId=1";

        let obj = {};

        let reg = /[?&][^?&]+=[^?&]+/g;

        let arr = url.match(reg);

        if (arr) {

            arr.forEach(item => {

                let tempArr = item.substring(1).split("=");

                let key = decodeURIComponent(tempArr[0]);

                let val = decodeURIComponent(tempArr[1]);

                obj[key] = val;

            });

        }， // 截取所需字段并赋值

            this.userId = obj.userId;

            this.productId = obj.productId;

            this.shopId = obj.shopId;

            this.roleId = obj.roleId;