配置全局变量

src/config/constant:

//创建vue的全局变量
import Vue from 'vue';
var zkey = "z1zkey";
var zcode = "MTJCNDgyOTIxOTk4QjUzQzM2QTlFN0ZFMzY0MDNEMjQ=";
var root = process.env.API_ROOT;
Vue.prototype.zkey = zkey;
Vue.prototype.zcode = zcode;
Vue.prototype.root = root;