datatable填装List代替for循环

public class DataToModelHelper<T> where T : new()
    {
        public static IList<T> ConvertToModel(DataTable dt)
        {
            //定义集合
            IList<T> ts = new List<T>();
            T t = new T();
            string tempName = "";
            //获取此模型的公共属性
            PropertyInfo[] propertys = t.GetType().GetProperties();
            foreach (DataRow row in dt.Rows)
            {
                t = new T();
                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set
                        if (!pi.CanWrite)
                            continue;
                        object value = row[tempName];
                        if (value != DBNull.Value)
                        {
                            if (pi.PropertyType == typeof(string))
                            {
                                pi.SetValue(t, value.ToString(), null);
                            }
                            else if (pi.PropertyType == typeof(int) || pi.PropertyType == typeof(int?))
                            {
                                pi.SetValue(t, int.Parse(value.ToString()), null);
                            }
                            else if (pi.PropertyType == typeof(DateTime?) || pi.PropertyType == typeof(DateTime))
                            {
                                pi.SetValue(t, DateTime.Parse(value.ToString()), null);
                            }
                            else if (pi.PropertyType == typeof(float))
                            {
                                pi.SetValue(t, float.Parse(value.ToString()), null);
                            }
                            else if (pi.PropertyType == typeof(double))
                            {
                                pi.SetValue(t, double.Parse(value.ToString()), null);
                            }
                            else if (pi.PropertyType == typeof(decimal))
                            {
                                pi.SetValue(t, decimal.Parse(value.ToString()), null);
                            }
                            else if (pi.PropertyType == typeof(Int64))
                            {
                                pi.SetValue(t, long.Parse(value.ToString()), null);
                            }
                            else
                            {
                                pi.SetValue(t, value, null);
                            }
                        }
                    }                   
                }
                ts.Add(t);               
            }
            return ts;
        }
   
    }