话不多说,请看代码
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------------------------------------- -----作者:张欣宇 -----时间:2013-06-28 -----简介:根据参数和条件分页查询 ------------------------------------- Create proc [dbo].[Up_PagingQueryByParameter] ( ----- 表名或能查询到结果的SQL语句{SQL语句左右必须有括号例:(select * from tbl1)} @TableName varchar ( max ), ----- 要查询的列名语句; 可空默认* @ColumnName varchar (5000), ----- 用来排序的列; 不可为空 @OrderByColumnName varchar (50), ----- 排序desc(倒序5.4.3.2.1)或asc(正序1.2.3.4.5); 可空默认asc @ShrtBy varchar (4), ----- Where条件; 可空默认1=1 @ Where varchar (5000), ----- 每页显示数; 可空默认20 @PageShows int , ----- 当前页数; 可空默认1 @CurrentPage int , ----- 0为分页查询;其他为查询全部; 可空默认0 @IsPaging int ) as begin ----- 参数检查及规范 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; ----- 定义 -- 拼接的SQL语句 declare @SqlStr nvarchar( max ); declare @SqlWithStr nvarchar( max ); -- 开始条数 declare @StartIndex int ; -- 结束条数 declare @EndIndex int ; ----- 赋值 set @StartIndex = (@CurrentPage-1)*@PageShows+1; print(@CurrentPage); print(@PageShows); print(@StartIndex); set @EndIndex = @CurrentPage*@PageShows; print(@EndIndex); set @OrderByColumnName=@OrderByColumnName+ ' ' +@ShrtBy; ----- 分页查询 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); ----- 总数查询 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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原文链接:http://www.cnblogs.com/zhang625161495/p/6217020.html