count
总数
firstRow
起始行
listRows
每一次获取记录数
list
每一页的记录（要与count对应一致就行）
2.分页对象
可以针对真实的数据表
也可以针对统计出来的数据表，或者说是虚拟的表
因为LIMIT是最后执行的，哪怕你进行group操作，哪怕你进行子查询
html
<include file="Public:head" title="" /> <style type="text/css"> .top { font-size: 18px; border-bottom: #ddd 1px solid; margin-bottom: -1px; font-weight: bold; } .top .title { margin:10px; border:1px solid #EF6C00; display:-webkit-box; border-radius: 3px; } .top .title .title_child { width: 50%; line-height:40px; -webkit-box-flex:1; display:block; color:#EF6C00; text-decoration:none; } .top .title .title_child.active { color:#FFF; background:#EF6C00; } .page{ margin-right: 10px; } .ranknum{ font-weight: bold; color:#F92672; } #myrank{ color: #FFF; font-weight:bold; background-color: #FBC853; } </style> <script type="text/javascript"> </script> <body> <div> <div> <a href="{sh::U('User/ranklist', array('type' => 0))}">月排行</a> <a href="{sh::U('User/ranklist', array('type' => 1))}">总排行</a> </div> </div> <div> 我的商户数:{sh:$my_user_count} 当前排名: {sh:$my_rank} </div> <div> <table> <thead> <tr> <th> #</th> <th>姓名</th> <th>商户数</th> </tr> </thead> <tbody> <volist> <tr> <th scope="row"> <if condition="$vo.rank eq 1"><img src="https://www.jb51.net/{sh::RES}public/img/gold.png"> <elseif condition="$vo.rank eq 2"/><img src="https://www.jb51.net/{sh::RES}public/img/silver.png"> <elseif condition="$vo.rank eq 3"/><img src="https://www.jb51.net/{sh::RES}public/img/copper.png"> <else /> {sh:$vo.rank} </if> </th> <td>{sh:$vo.name}</td> <td>{sh:$vo.usercount}</td> </tr> </volist> </tbody> </table> <div> {sh:$page} </div> </div> </body> </html>
php
// 排行榜 public function ranklist(){ $type = $this->_get('type','trim'); $this->assign('type',$type); $opener_id = $this->opener_id; if($type == 0){ // 上月排行 $arrLastMonth = $this->getLastMonthStartEndDay(); $lastStartDay = $arrLastMonth['lastStartDay']; $lastEndDay = $arrLastMonth['lastEndDay'].' 23:59:59'; $b_time = strtotime($lastStartDay); $e_time = strtotime($lastEndDay); $where['b.addtime'] = array(array('gt',$b_time),array('lt',$e_time),'and'); } $where['a.status'] = array('eq','1'); M()->query('SET @rank =0;'); $subQuery = M()->table('sh_opener a')->join('sh_user b on a.id = b.opener_id')->where($where)->group('a.id')->order('usercount desc')->field('a.id,count(b.id) as usercount,a.name')->select(false); $all = M()->table(''.$subQuery.' a')->getField('a.id,a.usercount,a.name,(@rank:=IFNULL(@rank,0)+1) as rank'); $count = count($all); $Page = new Page($count, 10); $list = M()->table('sh_opener a')->join('sh_user b on a.id = b.opener_id')->where($where)->group('a.id')->order('usercount desc')->limit($Page->firstRow.','.$Page->listRows)->field('count(b.id) as usercount,a.name,a.id')->select(); foreach ($list as $k => $v) { $list[$k]['rank'] = $k + 1 + $Page->firstRow; } // 我的商户 $my_user_count = $all[$opener_id]['usercount']?$all[$opener_id]['usercount']:0; $my_rank = $all[$opener_id]['rank']?$all[$opener_id]['rank']:'-'; $this->assign('my_user_count',$my_user_count); $this->assign('my_rank',$my_rank); $this->assign('page',$Page->show()); $this->assign('list', $list); $this->display(); } // 获取上一月开始与结束日期 private function getLastMonthStartEndDay(){ $thismonth = date('m'); $thisyear = date('Y'); if ($thismonth == 1) { $lastmonth = 12; $lastyear = $thisyear - 1; } else { $lastmonth = $thismonth - 1; $lastyear = $thisyear; } $lastStartDay = $lastyear . '-' . $lastmonth . '-1'; $lastEndDay = $lastyear . '-' . $lastmonth . '-' . date('t', strtotime($lastStartDay)); //t 给定月份所应有的天数,28到31 return array('lastStartDay'=>$lastStartDay,'lastEndDay'=>$lastEndDay); }
这里用的是thinkphp的分页类实现的。
案例效果
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