简单分页存储过程

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--分页存储过程

CREATE PROCEDURE ____GetRecordFromPage
    @tblName      varchar(255),       -- 表名   
    @fldName      varchar(255),       -- 字段名   
    @PageSize     int = 10,           -- 页尺寸   
    @PageIndex    int = 1,            -- 页码   
    @IsCount      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(1000) = ''  -- 查询条件 (注意: 不要加 where)
AS
    declare @strSQL   varchar(1000)     -- 主语句
    declare @strTmp   varchar(300)      -- 临时变量
    declare @strOrder varchar(400)      -- 排序类型

if @OrderType != 0
    begin
        set @strTmp = "<(select min"
        set @strOrder = " order by [" + @fldName +"] desc"
    end
else
    begin
        set @strTmp = ">(select max"
        set @strOrder = " order by [" + @fldName +"] asc"
    end

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
       
if @PageIndex = 1
begin
    set @strTmp = ""
    if @strWhere != ''
        set @strTmp = " where (" + @strWhere + ")"
        set @strSQL = "select top " + str(@PageSize) + " * from ["
            + @tblName + "]" + @strTmp + " " + @strOrder
end

if @IsCount != 0
    set @strSQL = "select count(*) as Total from [" + @tblName + "]"

exec (@strSQL)
GO
 

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