-- 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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