roi

app/Http/Controllers/Admin/StatisticsController.php

             //复购率
             $fugou_order_count_no = $order->order_count - $fugou->order_count;
             $v['fugou_rate'] = $fugou_order_count_no>0 ? round($fugou->order_count / $fugou_order_count_no, 4) * 100 .'%' : '';
+
+            //加roi
+            $v['total_roi'] = $v['total_cost']>0 ? round($v['order_amount'] / $v['total_cost'], 4) * 100 .'%' : '';
+            $v['new_roi'] = $v['total_cost']>0 ? round($v['new_order_amount'] / $v['total_cost'], 4) * 100 .'%' : '';
             
         }
 

resources/views/statistics/orderDay.blade.php

                     <th width="5%">当日新粉成单率</th>                                                 
                     <th width="5%">复购率</th>                                                 
                     <th width="5%">综合成单率</th>                                                 
+                    <th width="5%">综合roi</th>                                                 
+                    <th width="5%">新粉roi</th>                                                 
                 </tr>
                 </thead>
                 <tbody>
                             <td>{{$a['new_order_rate']}}</td>                                                       
                             <td>{{$a['fugou_rate']}}</td>                                                       
                             <td>{{$a['order_rate']}}</td>                                                       
+                            <td>{{$a['total_roi']}}</td>                                                       
+                            <td>{{$a['new_roi']}}</td>                                                       
                                                                                          
                         </tr>
                     @endforeach