#region 检验参数合法性,数值类型不小于0,引用类型不能为null,否则抛出异常 /// <summary> /// 检验参数合法性,数值类型不小于0,引用类型不能为null,否则抛出异常 /// </summary> /// <param name="arg">待检参数</param> /// <param name="argName">待检参数名称</param> /// <param name="canZero">数值类型是否可以为0</param> public static bool CheckArgument(object arg, string argName, bool canZero = false) { ILog log = LogManager.GetLogger(String.Format("CheckArgument_{0}", argName)); try { if (arg == null) { ArgumentNullException argumentNullException = new ArgumentNullException(argName); throw new Exception(String.Format("参数{0}为空,引发异常", argName), argumentNullException); } Type t = arg.GetType(); if (t.IsValueType && t.IsNumeric()) { bool flag = !canZero ? arg.CastTo(0.0) <= 0.0 : arg.CastTo(0.0) < 0.0; if (flag) { ArgumentOutOfRangeException argumentOutOfRangeException = new ArgumentOutOfRangeException(argName); throw new Exception(String.Format("参数{0}不在有效范围内,引发异常", argName), argumentOutOfRangeException); } } if (t == typeof(Guid) && (Guid)arg == Guid.Empty) { ArgumentNullException argumentNullException1 = new ArgumentNullException(argName); throw new Exception(String.Format("参数{0}为空引发GUID异常", argName), argumentNullException1); } return true; } catch (Exception exception) { log.Error("检验参数合法性", exception); } return false; } #endregion