create proc sp_publicturnpage(
@tbname nvarchar(2000)='',--表名,如 pinyin
@pagesizeint=10,--每頁的記錄數,預設為 10
@curpageint=1,--表示當前頁 1
@keyfieldnvarchar(100)='id',--關鍵欄位名，預設為 id,該欄位要求是表中的索引 或 無重複和不為空的字段
@keyascdescnvarchar(4)='asc',--關鍵字的公升、降序，預設為公升序 asc , 降序為 desc
@fieldsnvarchar(2000)='*',--所選擇的列名，預設為全選
@conditionnvarchar(2000)='',--where 條件,預設為空
@ordernvarchar(200)=''--排序條件,預設為空
)asif @tbname = ''
begin
raiserror('請指定表名！',11,1)
return
endif @pagesize <=0 or @curpage <0
begin
raiserror('當前頁數和每頁的記錄數都必須大於零！',11,1)
return
endif @keyascdesc = 'desc'
set @keyascdesc = '<'
else
set @keyascdesc = '>'
if @condition <> ''
set @condition = ' where ' + @condition
declare @sql nvarchar(2000)
set @sql = ''
if @curpage = 1
set @sql = @sql + 'select top ' + cast(@pagesize as nvarchar(20)) + ' ' + @fields + ' from ' + @tbname + @condition + ' ' + @order
else
begin
declare @itopnum int
set @itopnum = @pagesize * (@curpage - 1)
set @sql = @sql + 'declare @slastvalue nvarchar(100)' + char(13)
set @sql = @sql + 'select top ' + cast(@itopnum as nvarchar(20)) + ' @slastvalue=' + @keyfield + ' from ' + @tbname + @condition + ' ' + @order + char(13)
declare @condition2 nvarchar(200)
if @condition = ''
set @condition2 = ' where ' + @keyfield + @keyascdesc + '@slastvalue '
else
set @condition2 = ' and ' + @keyfield + @keyascdesc + '@slastvalue '
set @sql = @sql + 'select top ' + cast(@pagesize as nvarchar(20)) + ' ' + @fields + ' from ' + @tbname + @condition + @condition2 + @order
endexecute sp_executesql @sql
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