SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
CREATE PROCEDURE comm_PagingInfo
@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
--检查对象是否有效
IF OBJECT_ID(@tblName) IS NULL
BEGIN
RAISERROR(N'对象"%s"不存在',1,16,@tblName)
RETURN
END
IF OBJECTPROPERTY(OBJECT_ID(@tblName),N'IsTable')=0
AND OBJECTPROPERTY(OBJECT_ID(@tblName),N'IsView')=0
AND OBJECTPROPERTY(OBJECT_ID(@tblName),N'IsTableFunction')=0
BEGIN
RAISERROR(N'"%s"不是表、视图或者表值函数',1,16,@tblName)
RETURN
END
if @doCount != 0
begin
if @strWhere !=''
set @strSQL = "select count(*) as Total from [" + @tblName + "] where "+@strWhere
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 if @PageSize= 0 --表示不分页
begin
if @strWhere !=''
set @strSQL = "select “+@strGetFields + from [" + @tblName + "] where "+@strWhere
else
set @strSQL = "select count(*) as Total from [" + @tblName + "]"
if @OrderType != 0
begin
set @strOrder = " order by [" + @fldName +"] desc"
end
--如果@OrderType不是0,就执行降序,这句很重要!
else
begin
set @strOrder = " order by [" + @fldName +"] asc"
end
set @strSQL = @strSQL + @strOrder
end
else
begin
if @OrderType != 0
begin
set @strTmp = "<(select min"
set @strOrder = " order by [" + @fldName +"] desc"
end
--如果@OrderType不是0,就执行降序,这句很重要!
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) +" "+@strGetFields+ " from [" + @tblName + "] where " + @strWhere + " " + @strOrder
else
set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["+ @tblName + "] "+ @strOrder
end
--如果是第一页就执行以上代码,这样会加快执行速度
else
--以下代码赋予了@strSQL以真正执行的SQL代码
begin
set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize)
+ " ["+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder
if @strWhere != ''
begin
set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " 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
end
exec (@strSQL)
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO