增加vendor

vendor/github.com/silenceper/wechat/v2/util/error.go

@@ -0,0 +1,51 @@
+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
+}
+
+// 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
+}