TP5 关联查询 多表查询

控制器

$schoolstation_rs=Db::name('school')
      
          ->field('a.id,a.title,b.sid,b.price') 
          ->alias('a')
        ->join('schoolstation b','a.id = b.sid')
          ->where('a.pid',$rs['sid'])
          ->where('a.flid',2)
          ->select();
        $this->assign('schoolstation_rs',$schoolstation_rs);

模板

<div class="layui-form-item">
                          {volist name="schoolstation_rs" id="schoolstation"}   
                                  <div class="layui-inline">
                                    <label class="layui-form-label">{$schoolstation.title}</label>
                                    <div class="layui-input-inline">
                                      <input type="hidden" name="sid2[]" value="{$schoolstation.id}">
                                      <input name="price[]" lay-verify="required" autocomplete="off" class="layui-input" type="text" value="{$schoolstation.price}">
                                    </div>
                                  </div>
                           {/volist}

                      </div>

官方教程：

​​https://www.kancloud.cn/manual/thinkphp5/118077​​

​​https://www.kancloud.cn/manual/thinkphp5/118083​​