golang錯誤碼配置

//配置文件
package models


const (
    RECODE_OK         = "0"
    RECODE_DBERR      = "4001"
    RECODE_NODATA     = "4002"
    RECODE_DATAEXIST  = "4003"
    RECODE_DATAERR    = "4004"
    RECODE_SESSIONERR = "4101"
    RECODE_LOGINERR   = "4102"
    RECODE_PARAMERR   = "4103"
    RECODE_USERERR    = "4104"
    RECODE_ROLEERR    = "4105"
    RECODE_PWDERR     = "4106"
    RECODE_REQERR     = "4201"
    RECODE_IPERR      = "4202"
    RECODE_THIRDERR   = "4301"
    RECODE_IOERR      = "4302"
    RECODE_SERVERERR  = "4500"
    RECODE_UNKNOWERR  = "4501"
)

var recodeText = map[string]string{
    RECODE_OK:         "成功",
    RECODE_DBERR:      "數據庫查詢錯誤",
    RECODE_NODATA:     "無數據",
    RECODE_DATAEXIST:  "數據已存在",
    RECODE_DATAERR:    "數據錯誤",
    RECODE_SESSIONERR: "用戶未登錄",
    RECODE_LOGINERR:   "用戶登錄失敗",
    RECODE_PARAMERR:   "參數錯誤",
    RECODE_USERERR:    "用戶不存在或未激活",
    RECODE_ROLEERR:    "用戶身份錯誤",
    RECODE_PWDERR:     "密碼錯誤",
    RECODE_REQERR:     "非法請求或請求次數受限",
    RECODE_IPERR:      "IP受限",
    RECODE_THIRDERR:   "第三方系統錯誤",
    RECODE_IOERR:      "文件讀寫錯誤",
    RECODE_SERVERERR:  "內部錯誤",
    RECODE_UNKNOWERR:  "未知錯誤",
}

func RecodeText(code string) string {
    str, ok := recodeText[code]
    if ok {
        return str
    }
    return recodeText[RECODE_UNKNOWERR]
}

//使用方式
func (this*TestController) Test(){
    resp := make(map[string]interface{})

    resp["errno"] =models.RECODE_DATAERR
    resp["errmsg"] = models.RecodeText(models.RECODE_DATAERR)
    this.RetData(resp)
}