泛型列表转ToDataTable

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

/// <summary>     /// 列表转换DataTable助手     /// </summary>     public static class ListToDatatableHelper     {         /// <summary>         /// 将泛型实体列表转换为DataTable         /// </summary>         public static DataTable ToDataTable<T>(List<T> items)         {             var tb = new DataTable(typeof(T).Name);               PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);               foreach (PropertyInfo prop in props)             {                 Type t = GetCoreType(prop.PropertyType);                 tb.Columns.Add(prop.Name, t);             }               foreach (T item in items)             {                 var values = new object[props.Length];                   for (int i = 0; i < props.Length; i++)                 {                     values[i] = props[i].FastGetValue(item);                 }                   tb.Rows.Add(values);             }               return tb;         }           /// <summary>         /// 获取实际类型         /// </summary>         public static Type GetCoreType(Type t)         {             if (t != null && IsNullable(t))             {                 if (t.IsValueType == false)                 {                     return t;                 }                 return Nullable.GetUnderlyingType(t);             }             return t;         }           /// <summary>         /// 判断是否是可空类型         /// </summary>         public static bool IsNullable(Type t)         {             return t.IsValueType == false || (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable<>));         }     }