/// <summary>
/// 查询符合条件的数据，返回列表集合
/// </summary>
/// <param name="whereLambda">查询条件</param>
/// <returns></returns>
public List <T> GetList_Where(Expression <Func <T, bool> > whereLambda)
{
List <T> list = EF.Set <T>().Where(whereLambda).ToList();
return(list);
}