修改学生管理中缺少总排行问题

@@ -22,5 +22,6 @@ return [
     'Grade'        => '班级名称',
     'School'       => '学校名称',
     'Team.title'   => '所属战队',
-    'Download'     => '批量下载'
+    'Download'     => '批量下载',
+    'Rank'         => '总排名',
 ];

@@ -27,7 +27,8 @@ class Study extends Model
     protected $append = [
         'gender_text',
         'team_rank',
-        'barcode_images'
+        'barcode_images',
+        'rank'
     ];
     
 
@@ -57,6 +58,18 @@ class Study extends Model
             return $order;
     }
 
+    public  function getRankAttr($value,$data){
+        $list = $this->order('earn_score','desc')->column('id');
+        $order = 0;
+        foreach ($list as $k=> $v){
+            if($data['id'] == $v){
+                $order = $k+1;
+                break;
+            }
+        }
+        return $order;
+    }
+
     public function getBarcodeImagesAttr($value,$data){
         $list = $this->where('id',$data['id'])->value('barcode');
         $order = 'http://campus.shs.broing.cn'.$list;

@@ -102,6 +102,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                         {field: 'earn_score', title: __('Earn_score'),operate:false},
                         {field: 'unique', title: __('Unique'), operate:false},
                         {field: 'barcode_images', title: __('Barcode'),events: Table.api.events.image, formatter: Table.api.formatter.image, operate:false},
+                        {field: 'rank', title: __('Rank'),operate: false},
                         // {field: 'createtime', title: __('Createtime'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, formatter: Table.api.formatter.datetime},
                         // {field: 'updatetime', title: __('Updatetime'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, formatter: Table.api.formatter.datetime},
                         {field: 'operate', title: __('Operate'), table: table, events: Table.api.events.operate,