using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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namespace IStation.Extensions
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{
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/// <summary>
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/// IEnumerable<T> 拓展
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/// </summary>
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public static class EnumerableExtension
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{
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/// <summary>
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/// 转换为DataTable
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/// </summary>
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public static DataTable ToDataTable<T>(this IEnumerable<T> list) where T : new()
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{
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DataTable dt = new DataTable();
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PropertyInfo[] properties = typeof(T).GetProperties();
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dt.Columns.AddRange(properties.Select(p => new DataColumn(p.Name, p.PropertyType)).ToArray());
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if (list.Count() > 0)
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{
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for (int i = 0; i < list.Count(); i++)
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{
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ArrayList tempList = new ArrayList();
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foreach (PropertyInfo pro in properties)
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{
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object obj = pro.GetValue(list.ElementAt(i), null);
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tempList.Add(obj);
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}
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object[] array = tempList.ToArray();
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dt.LoadDataRow(array, true);
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}
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}
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return dt;
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}
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}
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}
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