通用分頁儲存過程 sqlserver

2022-04-07 07:37:31 字數 2361 閱讀 8205

< doctype html public -wcdtd xhtml stricten httpwwwworgtrxhtmldtdxhtml-strictdtd> -- 獲取指定頁的資料

create procedure sppagination

@tblname varchar(255), -- 表名

@strgetfields varchar(1000) = '*', -- 需要返回的列

@fldname varchar(255)='', -- 排序的欄位名

@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, -- 設定排序型別, 非 0 值則降序

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

asdeclare @strsql varchar(5000) -- 主語句

declare @strtmp varchar(110) -- 臨時變數

declare @strorder varchar(400) -- 排序型別

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**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**都是@docount為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!

endelse

begin

set @strtmp = ">(select max"

set @strorder = " order by [" + @fldname +"] asc"

endif @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**,這樣會加快執行速度

endelse

begin

--以下**賦予了@strsql以真正執行的sql**

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 != ''

set @strsql = "select top " + str(@pagesize) +" "+ " from ["

+ @tblname + "] where [" + @fldname + "]" + @strtmp + "(["

+ @fldname + "]) from (select top " + str((@pageindex-1)*@pagesize) + " ["

+ @fldname + "] from [" + @tblname + "] where " + @strwhere + " "

+ @strorder + ") as tbltmp) and " + @strwhere + " " + @strorder

endend

exec (@strsql)

go #**庫

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