-- 獲取指定頁的數據
CREATE PROCEDURE pagination @tblName varchar(255), -- 表名 @strGetFields varchar(1000) = '*', -- 需要返回的列 @fldName varchar(255)='', -- 排序的字段名 @PageSize int = 10, -- 頁尺寸 @PageIndex int = 1, -- 頁碼 @doCount bit = 0, -- 返回記錄總數, 非 0 值則返回 @OrderType bit = 0, -- 設置排序類型, 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 "+@strWhere 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爲0的情況 else begin 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 else begin set @strTmp = ">(select max" set @strOrder = " order by [" + @fldName +"] asc" end if @PageIndex = 1 begin if @strWhere != '' set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from [" + @tblName + "] where " + @strWhere + " " + @strOrder else set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " 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 begin --以下代碼賦予了@strSQL以真正執行的SQL代碼 set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from [" + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder if @strWhere != '' set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from [" + @tblName + "] where [" + @fldName + "]" + @strTmp + "([" + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " [" + @fldName + "] from [" + @tblName + "] where " + @strWhere + " " + @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder end end exec (@strSQL) GO |
通用高效分頁存儲過程代碼
發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.