a.data || (a.data = {});
"undefined" != typeof wx && (t = require("./zuogekeji.js"), e = require("./utils/page.js"), a = require("./utils/request.js"), i = require("./api.js"), n = require("./utils/utils.js"), r = require("./commons/order-pay/order-pay.js"), o = require("./utils/uploader"), s = require("./utils/login.js"));
请大神解释下这两段代码什么意思？
判断他要引用的那些文件 类型不是undefined