通用分頁存儲過程(sqlserver)

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-- 擷取指定頁的資料

CREATE PROCEDURE spPagination

@tblName varchar(255), -- 表名

@strGetFields varchar(1000) = '*', -- 需要傳回的列

@fldName varchar(255)='', -- 排序的字段名

@PageSize int = 10, -- 頁尺寸

@PageIndex int = 1, -- 頁碼

@doCount bit = 0, -- 傳回記錄總數, 非 0 值則傳回

@OrderType bit = 0, -- 設定排序類型, 非 0 值則降序

@strWhere varchar(1500) = '' -- 查詢條件 (注意: 不要加 where)

AS

declare @strSQL varchar(5000) -- 主語句

declare @strTmp varchar(110) -- 臨時變量

declare @strOrder varchar(400) -- 排序類型

if @doCount != 0

begin

     if @strWhere !=''

      set @strSQL = "select count(*) as Total from [" + @tblName + "] where "

     else

      set @strSQL = "select count(*) as Total from [" + @tblName + "]"

end

--以上代碼的意思是如果@doCount傳遞過來的不是0，就執行總數統計。以下的所有代碼都是@doCount為0的情況

else

     if @OrderType != 0

      begin

       set @strTmp = "<(select min"

       set @strOrder = " order by [" + @fldName +"] desc"

       --如果@OrderType不是0，就執行降序，這句很重要！

      end

       set @strTmp = ">(select max"

       set @strOrder = " order by [" + @fldName +"] asc"

      if @PageIndex = 1

       begin

        if @strWhere != ''

         set @strSQL = "select top " + str(@PageSize) +" "+ " from [" + @tblName + "] where " + @strWhere + " " + @strOrder

        else

         set @strSQL = "select top " + str(@PageSize) +" "+ " from ["+ @tblName + "] "+ @strOrder

         --如果是第一頁就執行以上代碼，這樣會加快執行速度

       end

      else

        --以下代碼賦予了@strSQL以真正執行的SQL代碼

        set @strSQL = "select top " + str(@PageSize) +" "+ " from ["

         + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder

         if @strWhere != ''

         + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["

         + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["

         + @fldName + "] from [" + @tblName + "] where " + @strWhere + " "

         + @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder

exec (@strSQL)

GO

本文轉自 netcorner 部落格園部落格，原文連結：http://www.cnblogs.com/netcorner/archive/2007/06/30/2912349.html  ，如需轉載請自行聯系原作者