Question: I wanna change http response Code in `gcode` , What is the best way for me to do it ？

[zhonghuaxunGM]

1. What version of Go and system type/arch are you using?

go version go1.16.2 windows/amd64

2. What version of GoFrame are you using?

github.com/gogf/gf/v2 v2.0.0-rc3

3. Can this issue be re-produced with the latest release?

yes

4. What did you do?

I wanna change http response Code in my way . I found the http Code in goframe errors\gcode\gcode.go

var (
	CodeNil                      = localCode{-1, "", nil}                            // No error code specified.
	CodeOK                       = localCode{0, "OK", nil}                           // It is OK.
	CodeInternalError            = localCode{50, "Internal Error", nil}              // An error occurred internally.
	CodeValidationFailed         = localCode{51, "Validation Failed", nil}           // Data validation failed.
         ........
	CodeBusinessValidationFailed = localCode{300, "Business Validation Failed", nil} // Business validation failed.
)

I wanna change CodeValidationFailed = localCode{51, "Validation Failed", nil} into CodeValidationFailed = localCode{400, "Validation Failed and xxxxxxx", nil} .

What is the best way for me to do it ？

P.S. I also implment the MiddlewareHandlerResponse in group.Middleware() and Code Struct in my own way just like gcode. But Finally I found CodeValidationFailed used in gvalid which I really want the gvalid functions and abilities .

[weni09]

I also want to know

[gqcn]

@zhonghuaxunGM You can change the error code in middleware. The internal error code can be retrieved using gerror.Code(r.GetError()), you can use switch ... case ... mechanism to do the change.