// Admin.NET 项目的版æƒã€å•†æ ‡ã€ä¸“利和其他相关æƒåˆ©å‡å—ç›¸åº”æ³•å¾‹æ³•è§„çš„ä¿æŠ¤ã€‚ä½¿ç”¨æœ¬é¡¹ç›®åº”éµå®ˆç›¸å…³æ³•律法规和许å¯è¯çš„è¦æ±‚。 // // 本项目主è¦éµå¾ª MIT 许å¯è¯å’Œ Apache 许å¯è¯ï¼ˆç‰ˆæœ¬ 2.0)进行分å‘和使用。许å¯è¯ä½äºŽæºä»£ç æ ‘æ ¹ç›®å½•ä¸çš„ LICENSE-MIT å’Œ LICENSE-APACHE 文件。 // // ä¸å¾—利用本项目从事å±å®³å›½å®¶å®‰å…¨ã€æ‰°ä¹±ç¤¾ä¼šç§©åºã€ä¾µçŠ¯ä»–äººåˆæ³•æƒç›Šç‰æ³•å¾‹æ³•è§„ç¦æ¢çš„æ´»åЍï¼ä»»ä½•基于本项目二次开å‘è€Œäº§ç”Ÿçš„ä¸€åˆ‡æ³•å¾‹çº çº·å’Œè´£ä»»ï¼Œæˆ‘ä»¬ä¸æ‰¿æ‹…ä»»ä½•è´£ä»»ï¼ namespace Admin.NET.Core; /// <summary> /// å—典值åˆè§„æ€§æ ¡éªŒç‰¹æ€§ /// </summary> [SuppressSniffer] [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true, Inherited = true)] public class DictAttribute : ValidationAttribute, ITransient { /// <summary> /// å—典值åˆè§„æ€§æ ¡éªŒç‰¹æ€§ /// </summary> /// <param name="dictTypeCode"></param> /// <param name="errorMessage"></param> public DictAttribute(string dictTypeCode, string errorMessage = "å—典值ä¸åˆæ³•ï¼") { DictTypeCode = dictTypeCode; ErrorMessage = errorMessage; } /// <summary> /// å—典值åˆè§„æ€§æ ¡éªŒ /// </summary> /// <param name="value"></param> /// <param name="validationContext"></param> /// <returns></returns> protected override ValidationResult IsValid(object? value, ValidationContext validationContext) { var valueAsString = value?.ToString(); // åˆ¤æ–æ˜¯å¦å…许空值 if (AllowNullValue && value == null) return ValidationResult.Success; // 是å¦å¿½ç•¥ç©ºå—符串 if (AllowEmptyStrings && string.IsNullOrEmpty(valueAsString)) return ValidationResult.Success; var sysDictDataServiceProvider = App.GetRequiredService<SysDictDataService>(); var dictDataList = sysDictDataServiceProvider.GetDataList(DictTypeCode).Result; // 使用HashSetæ¥æé«˜æŸ¥æ‰¾æ•ˆçŽ‡ var dictCodes = new HashSet<string>(dictDataList.Select(u => u.Code)); if (!dictCodes.Contains(valueAsString)) return new ValidationResult($"æç¤ºï¼š{ErrorMessage}|å—å…¸ã€{DictTypeCode}】ä¸åŒ…å«ã€{valueAsString}】ï¼"); else return ValidationResult.Success; } /// <summary> /// å—典编ç /// </summary> public string DictTypeCode { get; set; } /// <summary> /// 是å¦å…许空å—符串 /// </summary> public bool AllowEmptyStrings { get; set; } = false; /// <summary> /// å…许空值,有值æ‰éªŒè¯ï¼Œé»˜è®¤ false /// </summary> public bool AllowNullValue { get; set; } = false; }