修复字段名解析对于omit的处理

define/tag.go

@@ -30,4 +30,5 @@ const (
 	TagErrMsg            = "err"           // 验证失败错误信息tag
 	TagContentType       = "content_type"
 	TagOutputContentType = "output_content_type"
+	TagNameOmitempty     = "omitempty"
 )

struct_field.go

@@ -34,7 +34,9 @@ func (psf parseStructField) GetParamName(structField reflect.StructField) string
 	}
 	for _, tag := range paramNameTagList {
 		tagVal := structField.Tag.Get(tag)
-		if tagVal != "" {
+		tagVal = strings.TrimSuffix(strings.TrimPrefix(tagVal, define.TagNameOmitempty+","), ","+define.TagNameOmitempty)
+		tagVal = strings.Trim(tagVal, ",")
+		if tagVal != "" && tagVal != define.TagNameOmitempty {
 			return tagVal
 		}
 	}