One-click login for WeChat applet development to obtain the implementation of session_key and openid

This article mainly introduces the relevant information about WeChat applet development with one-click login to obtain session_key and openid instances. Friends in need can refer to

WeChat applet development with one-click login to obtain session_key and openid instances. openid example

After thinking about it, I don’t want my WeChat applet to be a stand-alone version. I don’t know how to write the backend. Now with the help of leancloud, I can realize the one-click login function of the WeChat applet. After trying it, do Notes.

Step one: Download av-weapp.js and put it under utils.

Step two: Use const AV = require('../../utils/av -weapp.js');The path depends on the specific situation.

The third step: initialization.

AV.init({ 
 appId: 'EJx0NSfY********-gzGzoHsz', 
 appKey: 'FBVPg5G**********T97SNQj', 
 });

Step 4: Obtain the AppID (mini program ID) and AppSecret (mini program key) on the WeChat public platform

Step 5: Configure the AppID on the leancloud console ( Mini Program ID) and AppSecret (Mini Program Key)

##Step Six: User Login

<span style="font-size:24px;">AV.User.loginWithWeapp().then(user => { 
 this.globalData.user = user.toJSON(); 
}).catch(console.error);</span>

After logging in, check the user information on the platform

Get: session_key and openid

Step 7: Get current user information

const user = AV.User.current(); 
// 调用小程序 API，得到用户信息 
wx.getUserInfo({ 
 success: ({userInfo}) => { 
 // 更新当前用户的信息 
 user.set(userInfo).save().then(user => { 
  // 成功，此时可在控制台中看到更新后的用户信息 
  this.globalData.user = user.toJSON(); 
 }).catch(console.error); 
 } 
});

Note:

wx.request() needs to configure a legal domain name, otherwise an error will be reported.

The above is the entire content of this article. I hope it will be helpful to everyone's learning. For more related content, please pay attention to PHP Chinese website!

Related recommendations:

WeChat applet image selection area cropping method

WeChat applet implements city list selection

The above is the detailed content of One-click login for WeChat applet development to obtain the implementation of session_key and openid. For more information, please follow other related articles on the PHP Chinese website!