优化细节

application/admin/controller/Feeding.php

@@ -51,7 +51,7 @@ class Feeding extends Backend
             return $this->view->fetch();
         }
         $params = $this->request->post('row/a');
-        
+
         $params = $this->preExcludeFields($params);
         $tid = Db::name('task')->where('bach',$params['bach'])->order('id desc')->find();
         $arr = [];
@@ -127,6 +127,7 @@ class Feeding extends Backend
                 ->field('f.material,f.percentage,f.gy_name,f.gy_num,t.number,t.id')
                 ->where('t.bach',$bach)->select();
         }
+//        print_r($res);die;
         $pro = 0;
         //按照百分比计算出应投重量
         foreach($res as &$v){
@@ -148,8 +149,14 @@ class Feeding extends Backend
             if($v['material'] == null){
                 $v['material'] = '';
             }
+            $total = array_column($res,'percentage');
+            foreach ($total as $key=>$value){
+                $total[$key] = decode($value);
+            }
+            $num = array_sum($total);
             if($v['percentage']){
-                $v['nweight']=round($v['number']*decode($v['percentage'])/100,2);
+//                $v['nweight']=round($v['number']*decode($v['percentage'])/100,2);
+                $v['nweight'] = number_format(decode($v['percentage']) / $num * $v['number'],3);
             }else{
                 $v['nweight']='';
             }