thinkPHP中统计排行与分页显示的功能-tutorial php-php.cn

thinkPHP中统计排行与分页显示的功能

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Lepaskan： 2023-03-30 14:10:01

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3620 orang telah melayarinya

这篇文章主要介绍了thinkPHP统计排行与分页显示功能,结合实例形式分析了thinkPHP数据库查询与结果分页显示相关操作技巧,需要的朋友可以参考下

本文实例分析了thinkPHP统计排行与分页显示功能。分享给大家供大家参考，具体如下：

1.分页参数

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>
<p class="top text-center">
  <p class="title">
    <a class="title_child <if condition=&#39;$type neq 1&#39;>active</if>" href="{sh::U(&#39;User/ranklist&#39;, array(&#39;type&#39; => 0))}">月排行</a>
    <a class="title_child <if condition=&#39;$type eq 1&#39;>active</if>" href="{sh::U(&#39;User/ranklist&#39;, array(&#39;type&#39; => 1))}">总排行</a>
  </p>
</p>
<p id="myrank" class="alert alert-danger text-center">
  我的商户数:{sh:$my_user_count}    当前排名: {sh:$my_rank}
</p>
<p id="datalist">
<table class="table table-hover">
   <thead>
    <tr>
     <th>  #</th>
     <th>姓名</th>
     <th>商户数</th>
    </tr>
   </thead>
   <tbody>
     <volist name="list" id="vo">
    <tr>
     <th scope="row" class="ranknum">
     <if condition="$vo.rank eq 1"><img src="{sh::RES}public/img/gold.png" style="width: 30px;">
     <elseif condition="$vo.rank eq 2"/><img src="{sh::RES}public/img/silver.png" style="width: 30px;">
     <elseif condition="$vo.rank eq 3"/><img src="{sh::RES}public/img/copper.png" style="width: 30px;">
     <else />
       {sh:$vo.rank}
     </if>
     </th>
     <td>{sh:$vo.name}</td>
     <td>{sh:$vo.usercount}</td>
    </tr>
    </volist>
   </tbody>
</table>
<p class="page text-right">
    {sh:$page}
</p>
</p>
</body>
</html>

Salin selepas log masuk

php

// 排行榜
public function ranklist(){
    $type = $this->_get(&#39;type&#39;,&#39;trim&#39;);
    $this->assign(&#39;type&#39;,$type);
    $opener_id = $this->opener_id;
    if($type == 0){ // 上月排行
      $arrLastMonth = $this->getLastMonthStartEndDay();
      $lastStartDay = $arrLastMonth[&#39;lastStartDay&#39;];
      $lastEndDay = $arrLastMonth[&#39;lastEndDay&#39;].&#39; 23:59:59&#39;; 
      $b_time = strtotime($lastStartDay);
      $e_time = strtotime($lastEndDay);
      $where[&#39;b.addtime&#39;] = array(array(&#39;gt&#39;,$b_time),array(&#39;lt&#39;,$e_time),&#39;and&#39;); 
    }
    $where[&#39;a.status&#39;] = array(&#39;eq&#39;,&#39;1&#39;);
    M()->query(&#39;SET @rank =0;&#39;);
    $subQuery = M()->table(&#39;sh_opener a&#39;)->join(&#39;sh_user b on a.id = b.opener_id&#39;)->where($where)->group(&#39;a.id&#39;)->order(&#39;usercount desc&#39;)->field(&#39;a.id,count(b.id) as usercount,a.name&#39;)->select(false);
    $all = M()->table(&#39;&#39;.$subQuery.&#39; a&#39;)->getField(&#39;a.id,a.usercount,a.name,(@rank:=IFNULL(@rank,0)+1) as rank&#39;);
    $count   = count($all);
    $Page    = new Page($count, 10);
    $list    = M()->table(&#39;sh_opener a&#39;)->join(&#39;sh_user b on a.id = b.opener_id&#39;)->where($where)->group(&#39;a.id&#39;)->order(&#39;usercount desc&#39;)->limit($Page->firstRow.&#39;,&#39;.$Page->listRows)->field(&#39;count(b.id) as usercount,a.name,a.id&#39;)->select();
    foreach ($list as $k => $v) {
      $list[$k][&#39;rank&#39;] = $k + 1 + $Page->firstRow;
    }
    // 我的商户
    $my_user_count = $all[$opener_id][&#39;usercount&#39;]?$all[$opener_id][&#39;usercount&#39;]:0;
    $my_rank = $all[$opener_id][&#39;rank&#39;]?$all[$opener_id][&#39;rank&#39;]:&#39;-&#39;;
    $this->assign(&#39;my_user_count&#39;,$my_user_count);
    $this->assign(&#39;my_rank&#39;,$my_rank);
    $this->assign(&#39;page&#39;,$Page->show());
    $this->assign(&#39;list&#39;, $list);
    $this->display();
}
// 获取上一月开始与结束日期
private function getLastMonthStartEndDay(){
    $thismonth = date(&#39;m&#39;);
    $thisyear = date(&#39;Y&#39;);
    if ($thismonth == 1) {
      $lastmonth = 12;
      $lastyear = $thisyear - 1;
    } else {
      $lastmonth = $thismonth - 1;
      $lastyear = $thisyear;
    }
    $lastStartDay = $lastyear . &#39;-&#39; . $lastmonth . &#39;-1&#39;;
    $lastEndDay  = $lastyear . &#39;-&#39; . $lastmonth . &#39;-&#39; . date(&#39;t&#39;, strtotime($lastStartDay)); //t 给定月份所应有的天数,28到31
    return array(&#39;lastStartDay&#39;=>$lastStartDay,&#39;lastEndDay&#39;=>$lastEndDay);
}

Salin selepas log masuk

这里用的是thinkphp的分页类实现的。

案例效果