标签:modelState core asp PartValidKeys TResult result var net errmsg
/// <summary> /// 聚合扩展方法类 /// </summary> public static class Exts { #region [ 得到模型错误消息 NonAction Task<string> ModelStateMsg(ModelStateDictionary modelState) ] /// <summary> /// 得到模型错误消息 /// <code> /// <![CDATA[ /// if (ModelState.IsValidOK(out string errmsg)) /// { /// return await Service.GetLiveVodAndVideoProductList(CurrentUserTicket.ID.ToLong(), param); /// } /// else /// { /// return new ResponsePageResult<ProductVodOrVideoResult> { errno = 1, errmsg = errmsg }; /// } /// ]]> /// </code> /// </summary> /// <param name="modelState"></param> /// <param name="errmsg">返回的错误消息</param> /// <param name="PartValidKeys">要验证的属性集合</param> /// <returns></returns> public static bool IsValidOK(this ModelStateDictionary modelState, out string errmsg, List<string> PartValidKeys = null) { var errorCount = 0; List<string> sb = new List<string>(); //获取所有错误的Key List<string> keys = PartValidKeys ?? modelState.Keys.ToList(); //获取每一个key对应的ModelStateDictionary foreach (var key in keys) { var errors = modelState[key].Errors.ToList(); errorCount += errors.Count; //将错误描述添加到sb中 foreach (var error in errors) { sb.Add(error.ErrorMessage); } } var result = string.Join(",", sb); if (string.IsNullOrWhiteSpace(result)) { result = $"{result}。"; } errmsg = result; return errorCount > 0 ? false : true; } /// <summary> /// /// </summary> /// <typeparam name="TResult"></typeparam> /// <param name="modelState"></param> /// <param name="action"></param> /// <param name="PartValidKeys"></param> /// <returns></returns> public static TResult GetResult<TResult>(this ModelStateDictionary modelState, Action<TResult> action, List<string> PartValidKeys = null) where TResult : class, new() { if (IsValidOK(modelState, out string errmsg, PartValidKeys: PartValidKeys)) { var result = new TResult { }; action(result); return result; } else { return new DataResultBase { errno = 600, errmsg = errmsg } as TResult; } } /// <summary> /// /// </summary> /// <typeparam name="TParam"></typeparam> /// <typeparam name="TResult"></typeparam> /// <param name="modelState"></param> /// <param name="func"></param> /// <param name="param"></param> /// <param name="PartValidKeys"></param> /// <returns></returns> public async static Task<TResult> GetResult<TParam,TResult>(this ModelStateDictionary modelState, Func<TParam,Task<TResult>> func,TParam param, List<string> PartValidKeys = null) where TResult : class, new() { if (IsValidOK(modelState, out string errmsg, PartValidKeys: PartValidKeys)) { var result = new TResult { }; return await func.Invoke(param); } else { return new DataResultBase { errno = 600, errmsg = errmsg } as TResult; } } #endregion
标签:modelState,core,asp,PartValidKeys,TResult,result,var,net,errmsg 来源: https://www.cnblogs.com/webenh/p/11988778.html
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