private static Model2Sql GetOrderSQL <T>(IOrder order)
{
if (order == null)
{
throw new ArgumentException("order不能为空");
}
if (order.All().Count <= 0)
{
throw new ArgumentException("order中没有可排序字段");
}
int n = 1;
string orderSql = string.Empty;
foreach (var item in order.All())
{
if (!ReflectionHelper.ExistField <T>(item.Key))
{
throw new ArgumentException(string.Format("此字段{0}不存在类中", item.Key));
}
if (n != 1)
{
orderSql = orderSql + " , ";
}
orderSql += " " + item.Key + " " + item.Value.ToString();
n++;
}
Model2Sql model = new Model2Sql()
{
Sql = orderSql, SqlType = Model2Db.Query
};
return(model);
}