c# 泛型编程典型应用 ModelConvertHelper

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Reflection;

namespace Flexzoo.Data
{
/// <summary>
/// 实体转换辅助类
/// </summary>
public class ModelConvertHelper<T> where T : new()
{
public static IList<T> ConvertToModel(DataTable dt)
{
// 定义集合
IList<T> ts = new List<T>();

// 获得此模型的类型
Type type = typeof(T);

string tempName = "";

foreach (DataRow dr in dt.Rows)
{
T t = new T();

// 获得此模型的公共属性
PropertyInfo[] propertys = t.GetType().GetProperties();

foreach (PropertyInfo pi in propertys)
{
tempName = pi.Name;

// 检查DataTable是否包含此列
if (dt.Columns.Contains(tempName))
{
// 判断此属性是否有Setter
if (!pi.CanWrite) continue;

object value = dr[tempName];
if (value != DBNull.Value)
pi.SetValue(t, value, null);
}
}

ts.Add(t);
}

return ts;

}
}
}