C# 將DataTable數據源轉換成實體類

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

/// <summary>
/// 將DataTable數據源轉換成實體類
/// </summary>
/// <typeparam name="T">實體</typeparam>
public static class ToModel<T> where T : new()
{
    /// <summary>
    /// 將DataTable數據源轉換成實體類
    /// </summary>
    public static List<T> ConvertToModel(DataTable dt)
    {
        List<T> ts = new List<T>();// 定義集合
        foreach (DataRow dr in dt.Rows)
        {
            T t = new T();
            PropertyInfo[] propertys = t.GetType().GetProperties();// 獲得此模型的公共屬性
            foreach (PropertyInfo pi in propertys)
            {
                if (dt.Columns.Contains(pi.Name))
                {
                    if (!pi.CanWrite) continue;
                    var value = dr[pi.Name];
                    if (value != DBNull.Value)
                    {
                        switch (pi.PropertyType.FullName)
                        {
                            case "System.Decimal":
                                pi.SetValue(t, decimal.Parse(value.ToString()), null);
                                break;
                            case "System.String":
                                pi.SetValue(t, value.ToString(), null);
                                break;
                            case "System.Int32":
                                pi.SetValue(t, int.Parse(value.ToString()), null);
                                break;
                            default:
                                pi.SetValue(t, value, null);
                                break;
                        }
                    }
                }
            }
            ts.Add(t);
        }
        return ts;
    }
}