打印，bug

application/admin/controller/Trainactive.php

@@ -194,8 +194,15 @@ class Trainactive extends Backend
         //合并
         $all_user_train = array_merge($user_yingdao,$user_train);
         $this->assign('user_train',$all_user_train);
-        $this->assign('user_train_chunk',array_chunk($all_user_train,8));
 
+        //学习记录，过滤掉没签到的
+        $all_user_train_signed = $all_user_train;
+        foreach($all_user_train_signed as $key => $val){
+            if(empty($val['sign_image'])){
+                unset($all_user_train_signed[$key]);
+            }
+        }
+        $this->assign('user_train_chunk',array_chunk($all_user_train_signed,8));
 
         //应到，但实到的
         $shidao = Db::name('user_train')->where('train_id',$id)->where('user_id','IN',$info['user_ids'])->count('id');