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This article mainly shows you how to do when you call wx.login () in the development of WeChat Mini Programs. The content is simple and clear. I hope it can help you solve your doubts. Here, let me take you to study and learn how to do when you call wx.login () in the development of WeChat Mini Programs.

Many WeChat Mini Programs developers will encounter such a situation, when calling wx.login (), there is no response on some IOS, so how to solve this situation?

The response results are as follows:

According to the analysis results, we know that the login interface has been in the pending state. If the timeout time is added, it can be triggered in the complate callback.

Then why is the login method always pending?

Found a new component in the page.

This component is used to display Wechat's "avatar" and "nickname". In line with the principle of "give it a try, what if it is possible", decisively delete the component and run it again. OK, amazing hi!

Before calling the wx.login () method, I used the open-data tag to render the "avatar" and "nickname", but why use the component first and then GG? Maybe Wechat rendering has its own thread. My method of use violates Wechat's rendering mechanism and leads to thread blocking (I guess ha).

Looking back, ha, before landing, I played up the profile picture and nickname, the rhythm is not like this; just like the police check ID card, before you swipe the machine, you know what your name is, where you live, it's not scientific, right?

Therefore, to display the open-type component of the avatar and nickname, it must be rendered after calling the API of wx.login (); knowing why, it is very simple to define a variable isLogin to record whether wx.login () has called let isLogin = false wx.login ({success: function (res) {if (res.code) {/ / initiate a network request isLogin = true;}).

Then bind the isLogin to the data object of the page, I won't write it, and then on the page, just use wx:if to judge.

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