ppgo/common/err.go

package common

const (
	ServiceError = iota + 100
	ParamError
	Expired
)

var codeMap = map[int]string{
	ServiceError: "系统错误",
	ParamError:   "参数错误",
	Expired:      "账户已过期",
}

type err struct {
	code int
	msg  string
}

type PpError interface {
	Error() string
	Code() int
}

func (error *err) Error() string {
	return error.msg
}

func (error *err) Code() int {
	return error.code
}
func New(code int) error {
	msg := codeMap[code]
	if msg == "" {
		msg = "unknown"
	}

	err := &err{
		code: code,
		msg:  msg,
	}
	return err
}