zoukankan      html  css  js  c++  java
  • SQL 存储过程分页

    CREATE PROCEDURE [dbo].[UP_GetRecordByPage]
        @tblName      varchar(255),       -- 表名
        @fldName      varchar(255),       -- 主键字段名
        @PageSize     int = 10,           -- 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)
    AS

    declare @strSQL   varchar(6000)       -- 主语句
    declare @strTmp   varchar(100)        -- 临时变量(查询条件过长时可能会出错,可修改100为1000)
    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 @IsReCount != 0
        set @strSQL = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere

    exec (@strSQL)

  • 相关阅读:
    IOS
    XCode
    Android Studio
    Android Studio
    Cordova
    Delphi
    Cordova
    Delphi
    JQuery Mobile
    twitter ads_campaign management(图示)
  • 原文地址:https://www.cnblogs.com/dodui/p/2185785.html
Copyright © 2011-2022 走看看