DataTable转换成实体

public static class DataTableToEntity
   {
        /// <summary>
        /// 将DataTable数据源转换成实体类
        /// </summary>
        public static List<T> ConvertToModel<T>(this DataTable dt) where T : new()
        {
            List<T> ts = new List<T>();// 定义集合
            foreach (DataRow dr in dt.Rows)
            {
                T t = new T();
                PropertyInfo[] propertys = t.GetType().GetProperties();// 获得此模型的公共属性
                foreach (PropertyInfo pi in propertys)
                {
                    if (dt.Columns.Contains(pi.Name))
                    {
                        if (!pi.CanWrite) continue;
                        var value = dr[pi.Name];
                        try
                        {
                            if (value != DBNull.Value && value != null && value.ToString() != "")
                            {
                                if (pi.PropertyType.FullName.ToUpper().Contains("DECIMAL"))
                                {
                                    pi.SetValue(t, decimal.Parse(value.ToString()), null);
                                }
                                else if (pi.PropertyType.FullName.ToUpper().Contains("DOUBLE"))
                                {
                                    pi.SetValue(t, double.Parse(value.ToString()), null);
                                }
                                else if (pi.PropertyType.FullName.ToUpper().Contains("INT32"))
                                {
                                    pi.SetValue(t, int.Parse(value.ToString()), null);
                                }
                                else if (pi.PropertyType.FullName.ToUpper().Contains("INT16"))
                                {
                                    pi.SetValue(t, short.Parse(value.ToString()), null);
                                }
                                else
                                    pi.SetValue(t, value, null);

                            }
                        }
                        catch (Exception ex)
                        {
                            //throw ex;
                        }

                    }
                }
                ts.Add(t);
            }
            return ts;
        }
}
      //直接调用
    DataTable dt = new DataTable();
    List<实体类> testList = dt.ConvertToModel<实体类>();
   //或者调用 获取转换为实体数据后指定条件的数据
  DataTable dt = new DataTable();
 foreach (DataRow row in dt.Rows)
 {
 List<实体类> testList = dt.ConvertToModel<实体类>();
 实体类 tempEntity = testList.Where(t => t.字段== row1["字段"].ToString()).FirstOrDefault();
 }