Wechat applet session holding

Wechat applet servlet When communication wx.request Don't hold sessioid. So every time I ask servlet Of sessionid Dissimilarity , In this way, we can't store user information in the backend session in .

It's like every time we close the page after browsing in the browser , The browser will not remember the last time servlet Deposited session Content . And the little program wx.request At the end of each request servlet The page will “ Close the browser ” So our backend UserController and PaperController Can't be used between session Incoming data .

resolvent ：

First of all, we should think of wechat applet global data ：globalData To access sessionid Simulated browser session Storage . After I use Fiddler Catch wechat applet HTTP Bag, come and see sessionid Usually put it in the bag headr Inside .

Therefore, establish data storage

stay app.js Inside

Okay , With , You can use it

stay login.wxml Inside

This is what we see sessionid

  And the server sessionid Agreement