Java wechat public platform development (13) config configuration in wechat jssdk

Front end development engineers and developers who pay attention to front-end development must have been detonated by Tencent's jssdk in mid-2015. App developers, front-end developers and even back-end developers all came to join the fun. For a moment, they also praised wechat jssdk very well. However, in our technical eyes, its implementation principle and cannot be changed at all, This article will not comment and explain the implementation of JS (because I don't understand it very well, ha ha). What we want to talk about here is its config configuration implementation. Refer to the document: http://mp.weixin.qq.com/wiki/11/74ad127cc054f6b80759c40f77ec03db.html ！