Consult, I am now doing a login function (mobile phone), login phone number if in can exist in the database through mobile phone login authentication code, phone number, such as the number does not exist, according to the library when logging directly handle number in the database after login
CodePudding user response:
What is your problem? Logic has been described clearly
CodePudding user response:
How am I to judge whether a user exists, if there is no me added to the SQL database login after the how to write