SQLServer存儲(chǔ)過(guò)程實(shí)現(xiàn)單條件分頁(yè)
話不多說(shuō)，請(qǐng)看代碼：
SQLServer Procedure Pagination_basic： ALTER PROCEDURE [qiancheng].[Pagination_basic] ( @Table_name VARCHAR (255), --name of table @Rows_target VARCHAR (1000) = '*', --search rows @Rows_condition VARCHAR (1000) = '', --the condition to find target (no where) @Rows_order VARCHAR (255) = '', --the rows to rank @Order_type INT = 0, -- *Q*C* 0 normal 1 down @PageSizes INT = 10, --the size of each page @PageIndex INT = 1, --current page @ShowPages INT, --whether show the pages *Q*C* 1-yes 0-no @ShowRecords INT, --whether show the record *Q*C* 1-yes 0-no @Records_total INT OUTPUT, --returned total records @Pages_total INT OUTPUT --returned total pages ) AS DECLARE @MainSQL_QC nvarchar (2000) --Main SQL sentence DECLARE @Var_QC VARCHAR (100) --Temporary variate DECLARE @Order_QC VARCHAR (400) --the sort to rank SET @Records_total = 0 SET @Pages_total = 0 IF @ShowRecords = 1 OR @ShowPages = 1 BEGIN IF @Rows_condition != '' SET @MainSQL_QC = 'select @Records_total = count(1) from [' + @Table_name + '] where ' +@Rows_condition ELSE SET @MainSQL_QC = 'select @Records_total = count(1) from [' + @Table_name + ']' EXEC sp_executesql @MainSQL_QC, N'@Records_total int out' ,@Records_total OUTPUT END IF @ShowPages = 1 BEGIN IF @Records_total <= @PageSizes SET @Pages_total = 1 ELSE BEGIN SET @Pages_total = @Records_total /@PageSizes IF (@Records_total %@PageSizes) > 0 SET @Pages_total = @Pages_total + 1 END END IF @Order_type = 1 BEGIN SET @Var_QC = '<(select min' SET @Order_QC = ' order by [' + @Rows_order + '] desc' END ELSE BEGIN SET @Var_QC = '>(select max' SET @Order_QC = ' order by [' + @Rows_order + '] asc' END IF @PageIndex = 1 BEGIN IF @Rows_condition != '' SET @MainSQL_QC = 'select top ' + str(@PageSizes) + ' ' +@Rows_target + ' from [' + @Table_name + '] where ' + @Rows_condition + ' ' + @Order_QC ELSE SET @MainSQL_QC = 'select top ' + str(@PageSizes) + ' ' +@Rows_target + ' from [' + @Table_name + '] ' + @Order_QC END ELSE BEGIN IF @Rows_condition != '' SET @MainSQL_QC = 'select top ' + str(@PageSizes) + ' ' +@Rows_target + ' from [' + @Table_name + '] where [' + @Rows_order + ']' + @Var_QC + '([' + @Rows_order + ']) from (select top ' + str((@PageIndex - 1) *@PageSizes) + ' [' + @Rows_order + '] from [' + @Table_name + '] where ' + @Rows_condition + ' ' + @Order_QC + ') as Tmep_QC) and ' + @Rows_condition + ' ' + @Order_QC ELSE SET @MainSQL_QC = 'select top ' + str(@PageSizes) + ' ' +@Rows_target + ' from [' + @Table_name + '] where [' + @Rows_order + ']' + @Var_QC + '([' + @Rows_order + ']) from (select top ' + str((@PageIndex - 1) *@PageSizes) + ' [' + @Rows_order + '] from [' + @Table_name + ']' + @Order_QC + ') as Tmep_QC)' + @Order_QC END EXEC (@MainSQL_QC)
調(diào)用：execute pagination_basic 'UserDetail','*','','id','1','5','1','1','1','',''
主要是末尾的語(yǔ)句，拆分下來(lái)便是這樣：
select top 每頁(yè)數(shù) 列名 from [表名] where [排序字段名] < --1 倒序輸出若列 小于之前頁(yè)數(shù)的最小值
(select min ( [排序字段名] )from --2 獲得一個(gè)指定列名中的最小值并輸出
(select top (當(dāng)前頁(yè)-1)*每頁(yè)數(shù) [排序字段名] from [表名] where [條件] [排序類(lèi)型]) --3 選擇之前頁(yè)數(shù)總數(shù)據(jù)倒序輸出
as Tmep_QC)--4 建立一個(gè)名為T(mén)mep_QC的臨時(shí)表--2 獲得一個(gè)指定列名中的最小值并輸出
and [條件] [排序類(lèi)型]--1 倒序輸出若列 小于之前頁(yè)數(shù)的最小值
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