一个比较实用的大数据量分页存储过程

create proc sp_PublicTurnPageWebSite(
     @TBName  nvarchar(100)=‘‘, --表名,如 pinyin
     @PageSize int=10,   --每页的记录数,默认为 10
      @CurPage int=1,   --表示当前页 1
      @KeyField nvarchar(100)=‘ID‘, --关键字段名，默认为 ID,该字段要求是表中的索引 或 无重复和不为空的字段
      @KeyAscDesc nvarchar(4)=‘ASC‘, --关键字的升、降序，默认为升序 ASC , 降序为 DESC
      @Fields  nvarchar(500)=‘*‘, --所选择的列名，默认为全选
      @Condition nvarchar(200)=‘‘, --where 条件,默认为空
      @Order  nvarchar(200)=‘‘ --排序条件,默认为空
) with encryption as
BEGIN
 if @TBName = ‘‘
    begin
        raiserror(‘请指定表名！‘,11,1)
        return
    end
 if @PageSize <=0 or @CurPage <0
    begin
        raiserror(‘当前页数和每页的记录数都必须大于零！‘,11,1)
        return
    end
 if @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
    end
END

 EXECUTE sp_executesql @SQL