Summarize the common error codes and solutions of thinkphp5

ThinkPHP5 is a popular PHP open source framework. It is inevitable to encounter some errors during the development process. This article introduces the common error codes in ThinkPHP5 to help developers better solve problems.

1. 1000: Operation successful
   This error code indicates that the operation is successful. This error code is usually returned when data acquisition/submission is successful.
2. 1001: Parameter error
   When the parameters passed by the client are incorrect or missing, the server will return this error code. This error can usually be handled when checking the parameters.
3. 1002: Insufficient permissions
   When the user permissions are insufficient to perform the operation, the server will return this error code, which can be used when dealing with permission issues.
4. 1003: Resource does not exist
   When the requested resource does not exist, the server will return this error code. This error can usually be handled when checking the existence of the resource.
5. 1004: Request method not supported
   When the request method used by the client is not supported, the server will return this error code. This error can usually be handled when checking the request method.
6. 1005: Server Error
   When an unknown error occurs on the server, this error code will be returned. This error code is usually used when handling abnormal situations.
7. 1006: The interface does not exist
   When the requested interface does not exist, the server will return this error code, and you can handle this error when checking whether the interface exists.
8. 1007: Network error
   When the client's access to the network is unstable or disconnected, the server will return this error code, which can be used when dealing with network problems.
9. 1008: System Maintenance
   When the system is in maintenance status, the server will return this error code. This error code is usually used when the system is upgraded or repaired.
10. 1009: Data error
    When there is an error in the data submitted by the client, the server will return this error code. This error code is usually used when handling data errors.
11. 1010: Not logged in
    When the user is not logged in or the login has expired, the server will return this error code. This error can usually be handled when checking the user's login status.
12. 1011: Login failure
    When the user fails to log in, the server will return this error code, which can be used when handling failed login situations.

In short, when using the ThinkPHP5 framework, it is very important to classify and handle various errors. Through the above common error codes, developers can better handle exceptions, improve development efficiency and application stability. , can better provide services to users.

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