押订单的日产量

application/admin/controller/Dashboard.php

@@ -49,7 +49,7 @@ class Dashboard extends Backend
         foreach ($joinlist as $k => $v) {
             $userlist[$v['join_date']] = $v['nums'];
         }
-
+        dump( UserPledge::getCountByTimeTeac() );die;
         $month_date = date('Y-m-') . '1';
         $this->view->assign([
             'totaluser'         => User::count(),

application/common/model/UserPledge.php

@@ -51,12 +51,14 @@ class UserPledge extends Model
     //所有有效质押订单的日产量X数量的和
     public static function getCountByTimeTeac():int
     {
-        $productPledges = new ProductPledges();
-        $list = self::where('status', self::Ongoing)->column('pledge_id,num');
+        $list = self::alias('a')
+        ->join('product_pledge b','a.pledge_id = b.id','left')
+        ->where('a.status', self::Ongoing)
+        ->field('b.day_num,a.num')
+        ->select();
         $count = 0;
-        foreach ($list as $key=>$item) {
-            $day_num = $productPledges::where('id',$key)->value('day_num');
-            $count += bcmul($item, $day_num, 2);
+        foreach ($list as $item) {
+            $count += bcmul($item['day_num'], $item['num'], 2);
         }
         return $count;
     }