# Multiterminal application login timing

sequenceDiagram participant client as Multiterminal application participant dev server as Developer Server participant wx server as WeChat interface service client->>client:wx.xxxLogin Obtain Code client->>dev Server: Send Code dev server->>wx server:code2Verifyinfo(appid+appsecret+code) wx server->>dev Server: Returns user identification information, etc. dev server->>dev Server: Build custom login state dev server->>Client: Returns custom login state client->>Client: Store custom login state client->>dev Server: business request, with custom login state dev server->>Client: Business Response

Timing Dxplaination

  1. wx.xxxLogin Represent different login methods,wx.weixinAppLoginwx.weixinMiniProgramLogin wx.phoneSmsLogin and wx.appleLogin Etc. call wx.xxxLogin Get Temporary Login Credentials (Code), and sent to the developer server.
  2. DeveloperGet Multiterminal Applications ID With KeyThe server-side interface is then invoked at the server code2Verifyinfo The user identification information is obtained, and a custom login state is constructed based on the information, which is used to identify the user identity when the front end and the back end interact in the subsequent business logic.