話不多說,請看代碼
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------------------------------------- -----作者:張欣宇 -----時間:2013-06-28 -----簡介:根據參數和條件分頁查詢 ------------------------------------- Create proc [dbo].[Up_PagingQueryByParameter] ( ----- 表名或能查詢到結果的SQL語句{SQL語句左右必須有括號例:(select * from tbl1)} @TableName varchar ( max ), ----- 要查詢的列名語句; 可空默認* @ColumnName varchar (5000), ----- 用來排序的列; 不可為空 @OrderByColumnName varchar (50), ----- 排序desc(倒序5.4.3.2.1)或asc(正序1.2.3.4.5); 可空默認asc @ShrtBy varchar (4), ----- Where條件; 可空默認1=1 @ Where varchar (5000), ----- 每頁顯示數; 可空默認20 @PageShows int , ----- 當前頁數; 可空默認1 @CurrentPage int , ----- 0為分頁查詢;其他為查詢全部; 可空默認0 @IsPaging int ) as begin ----- 參數檢查及規范 if isnull (@ Where ,N '' )=N '' set @ Where = N '1=1' ; if isnull (@ColumnName,N '' )=N '' set @ColumnName = N '*' ; if isnull (@PageShows,0)<1 set @PageShows = 20; if isnull (@CurrentPage,0)<1 set @CurrentPage = 1; if isnull (@ShrtBy,N '' )=N '' set @ShrtBy = 'asc' ; if isnull (@IsPaging,0)<>1 set @IsPaging = 0; ----- 定義 -- 拼接的SQL語句 declare @SqlStr nvarchar( max ); declare @SqlWithStr nvarchar( max ); -- 開始條數 declare @StartIndex int ; -- 結束條數 declare @EndIndex int ; ----- 賦值 set @StartIndex = (@CurrentPage-1)*@PageShows+1; print(@CurrentPage); print(@PageShows); print(@StartIndex); set @EndIndex = @CurrentPage*@PageShows; print(@EndIndex); set @OrderByColumnName=@OrderByColumnName+ ' ' +@ShrtBy; ----- 分頁查詢 set @SqlWithStr = N 'with temp as(select ROW_NUMBER() over(order by ' +@OrderByColumnName+N ') as RowNumber,' +@ColumnName+N ' from ' +@TableName+N ' as tableName where ' +@ Where +N ')' ; if(@IsPaging = 0) begin set @SqlStr = @SqlWithStr + N ' select ' +@ColumnName+N ' from temp where temp.RowNumber between ' + convert (nvarchar(20),@StartIndex)+N ' and ' + convert (nvarchar(20),@EndIndex)+N '' ; ---- print(@SqlStr); exec (@SqlStr); ----- 總數查詢 set @SqlStr = @SqlWithStr + N ' select count(*) as TotalNumber from temp' ; ---- print(@SqlStr); exec (@SqlStr); end else begin set @SqlStr = @SqlWithStr + N ' select ' +@ColumnName+N ' from temp' ; ---- print(@SqlStr); exec (@SqlStr); end end |
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原文鏈接:http://www.cnblogs.com/zhang625161495/p/6217020.html