通过sql 实现简单分页(not in)
时间:2021-07-01 10:21:17
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<summary>
/// 分页查询的sql语句
/// </summary>
/// <param name="attributes">要查询的字段(两端可以没有空格)</param>
/// <param name="pageSize">每页要显示的行数</param>
/// <param name="pageIndex">当前页索引</param>
/// <param name="orderBy">依据那个字段排序(两端可以没有空格)</param>
/// <param name="aod">升序(asc)还是降序(desc)(两端可以没有空格)</param>
/// <param name="where">附加的条件(一定要有where关键字,两端可以没有空格)</param>
/// <returns></returns>
public static string SelectByPaging(
int currentPageIndex,
string field,
int pageSize,
string strWhere,
string orderByWho,
string orderDirection)
{
string ids =
string.Format(
"SELECT TOP({0}*{1}) id FROM Base_Knowledge {2} ORDER BY {3} {4}", currentPageIndex, pageSize, strWhere, orderByWho, orderDirection);
string whereLess =
null;
if (!
string.IsNullOrEmpty(strWhere))
{
int whereIndex = strWhere.ToLower().IndexOf(
"where");
whereLess =
"AND" + strWhere.Substring(whereIndex +
5);
}
return string.Format(
@"SELECT TOP {0} {1} FROM Base_Knowledge WHERE id NOT IN({2}) {3} ORDER BY {4} {5}",
pageSize, field, ids, whereLess, orderByWho, orderDirection);
}
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通过sql 实现简单分页(not in)
标签:size tor rom .com sql rect and 附加 less