通用分页存储过程(sqlserver)

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-- 获取指定页的数据
CREATE PROCEDURE spPagination
@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, -- 页尺寸
@PageIndex int = 1, -- 页码
@doCount bit = 0, -- 返回记录总数, 非 0 值则返回
@OrderType bit = 0, -- 设置排序类型, 非 0 值则降序
@strWhere varchar(1500) = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL varchar(5000) -- 主语句
declare @strTmp varchar(110) -- 临时变量
declare @strOrder varchar(400) -- 排序类型
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
--以上代码的意思是如果@doCount传递过来的不是0，就执行总数统计。以下的所有代码都是@doCount为0的情况

else
begin
     if @OrderType != 0
      begin
       set @strTmp = "<(select min"
       set @strOrder = " order by [" + @fldName +"] desc"
       --如果@OrderType不是0，就执行降序，这句很重要！
      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) +" "+ " from [" + @tblName + "] where " + @strWhere + " " + @strOrder
        else
         set @strSQL = "select top " + str(@PageSize) +" "+ " from ["+ @tblName + "] "+ @strOrder
         --如果是第一页就执行以上代码，这样会加快执行速度
       end
      else
       begin
        --以下代码赋予了@strSQL以真正执行的SQL代码
        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
end
end

exec (@strSQL)
GO

#代码库