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  • SQL存储过程分页

    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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  • 原文地址:https://www.cnblogs.com/wtiancai/p/126987.html
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