/// <summary>
/// 分页查询，基础方法，参数：页面大小，页码，主键，查询字段，表达式，排序，数据总条数
/// </summary>
/// <param name="pageSize">页面大小</param>
/// <param name="pageIndex">页码</param>
/// <param name="primaryKey">主键</param>
/// <param name="selectFields">查询字段</param>
/// <param name="express">表达式</param>
/// <param name="orderBy">排序</param>
/// <param name="recordCount">数据总条数</param>
/// <returns></returns>
private List <TEntity> Search(int pageSize, int pageIndex, string primaryKey, string selectFields, List <Expression> express, string orderBy, ref int recordCount)
{
//获取参数和条件
CoreFrameworkEntity CoreFrameworkEntity = GetParaListAndWhere(express);
//条件
string where = CoreFrameworkEntity.where;
//参数列表
List <SqlParameter> listPara = CoreFrameworkEntity.paraList;
selectFields = selectFields == "" ? "*" : selectFields;//查询字段
Pager page = new Pager();
IDataReader sdr = page.GetPagerInfo(tableName, primaryKey, selectFields, pageSize, pageIndex, where, orderBy, ref recordCount, listPara);
return(DynamicBuilder <TEntity> .GetList(sdr, columnAttrList));
}
/// <summary>
/// 不分页查询,基础方法
/// </summary>
/// <param name="count">显示总数，空则全部显示</param>
/// <param name="selectFields">查询字段</param>
/// <param name="express">表达式</param>
/// <param name="orderBy">排序,为空则不排序</param>
/// <returns></returns>
private List <TEntity> Search(int?count, string selectFields, List <Expression> express, string orderBy)
{
//获取参数和条件
CoreFrameworkEntity CoreFrameworkEntity = GetParaListAndWhere(express);
//条件
string where = CoreFrameworkEntity.where;
//参数列表
List <SqlParameter> listPara = CoreFrameworkEntity.paraList;
selectFields = selectFields == "" ? "*" : selectFields; //查询字段
orderBy = orderBy == "" ? "" : "order by " + orderBy; //排序
string topStr = count.HasValue == false ? "" : " top " + count + " ";
string cmdText = "select " + topStr + selectFields + " from " + tableName + " where " + where + " " + orderBy;
IDataReader sdr = new SqlConvertHelper().ExecuteReader(cmdText, listPara);
return(DynamicBuilder <TEntity> .GetList(sdr, columnAttrList));
}