分页存储过程

CREATE PROCEDURE YdWeb_GetRecordByPage
    @tblName      varchar(255),       -- 表名
    @fldName      varchar(255),       -- 主键字段名
    @PageSize     int = 3,           -- 页尺寸
    @PageIndex    int = 1,            -- 页码
    @IsReCount    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)
    @strOrderBy     varchar(50) = ''    -- 排序条件
AS

declare @strSQL   varchar(6000)       -- 主语句
declare @strTmp   varchar(2000)        -- 临时变量
declare @strOrder varchar(400)        -- 排序类型

if @IsReCount != 0
begin
      if @strWhere != ''
      begin
        set @strSQL = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere
      end
      else
      begin
        set @strSQL = 'select count(*) as Total from [' + @tblName + ']'
      end
end
else
begin
    set @strTmp = 'not in(select '
    if @OrderType != 0
    begin
    if @strOrderBy is null or @strOrderBy=''
                set @strOrder = ' order by '+'[' + @fldName +'] desc'
    else
        set @strOrder = ' order by '+ @strOrderBy +' desc'
    end
    else
    begin
    if @strOrderBy is null or @strOrderBy=''
                set @strOrder = ' order by '+'[' + @fldName +'] asc'
    else
         set @strOrder = ' order by '+ @strOrderBy +' 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
end

exec (@strSQL)

GO