package biz // 业务错误 type BizError struct { code int16 err string } var ( Success *BizError = NewBizErrCode(200, "success") BizErr *BizError = NewBizErrCode(400, "biz error") ServerError *BizError = NewBizErrCode(500, "server error") PermissionErr *BizError = NewBizErrCode(501, "token error") ) // 错误消息 func (e *BizError) Error() string { return e.err } // 错误码 func (e *BizError) Code() int16 { return e.code } // 创建业务逻辑错误结构体,默认为业务逻辑错误 func NewBizErr(msg string) *BizError { return &BizError{code: BizErr.code, err: msg} } // 创建业务逻辑错误结构体,可设置指定错误code func NewBizErrCode(code int16, msg string) *BizError { return &BizError{code: code, err: msg} }