实践的活动

application/index/controller/Index.php

@@ -29,6 +29,10 @@ class Index extends Controller
     public function practice(){
         $data=db('activity')->where('id',28)->find();
         $data['son']=db('activity')->where('parentid',$data['id'])->order('sonid asc')->select();
+        //这边要改成按照付款人数来显示
+        foreach ($data['son'] as $k=>$v){
+            $data['son'][$k]['buy_num']=M('order')->where(['aid'=>$v['id'],'status'=>2])->count();
+        }
         $this->assign('data',$data);
         return $this->fetch();
     }