/
error.go
64 lines (58 loc) · 1.68 KB
/
error.go
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package util
import (
"encoding/json"
"fmt"
"reflect"
)
// CommonError 微信返回的通用错误json
type CommonError struct {
ErrCode int64 `json:"errcode"`
ErrMsg string `json:"errmsg"`
}
// DecodeWithCommonError 将返回值按照CommonError解析
func DecodeWithCommonError(response []byte, apiName string) (err error) {
var commError CommonError
err = json.Unmarshal(response, &commError)
if err != nil {
return
}
if commError.ErrCode != 0 {
return fmt.Errorf("%s Error , errcode=%d , errmsg=%s", apiName, commError.ErrCode, commError.ErrMsg)
}
return nil
}
// Error 返回错误信息
func (c CommonError) Err() error {
if c.ErrCode > 0 {
return fmt.Errorf("[%v] %s", c.ErrCode, c.ErrMsg)
}
return nil
}
// IsInvalidCredential ...
func (c CommonError) IsInvalidCredential() bool {
return c.ErrCode == 40001
}
// DecodeWithError 将返回值按照解析
func DecodeWithError(response []byte, obj interface{}, apiName string) error {
err := json.Unmarshal(response, obj)
if err != nil {
return fmt.Errorf("json Unmarshal Error, err=%v", err)
}
responseObj := reflect.ValueOf(obj)
if !responseObj.IsValid() {
return fmt.Errorf("obj is invalid")
}
commonError := responseObj.Elem().FieldByName("CommonError")
if !commonError.IsValid() || commonError.Kind() != reflect.Struct {
return fmt.Errorf("commonError is invalid or not struct")
}
errCode := commonError.FieldByName("ErrCode")
errMsg := commonError.FieldByName("ErrMsg")
if !errCode.IsValid() || !errMsg.IsValid() {
return fmt.Errorf("errcode or errmsg is invalid")
}
if errCode.Int() != 0 {
return fmt.Errorf("%s Error , errcode=%d , errmsg=%s", apiName, errCode.Int(), errMsg.String())
}
return nil
}