Write directory title here
1. Registration function process
| Front-end system|
Enter user name and password;
carry user name and password to request back-end system;
| Back-end system|
Query whether the user information is correct;
If: user does not exist, write user information to the database, and return registration success information;
| Front-end system|
Display the successful registration information and jump to the login page;
| Back-end system|
If the user exists or other errors; return the error code corresponding to the scene;
| Front-end system|
Display error information;
2. Front-end implementation
1. Create a RegisterView.vue file
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