后台修改

@@ -194,40 +194,4 @@ class Study extends Backend
         $this->success();
     }
 
-    /**
-     * 批量下载
-     */
-    public function download($ids)
-    {
-        $list = $this->model->where('id ', 'in', $ids)->select();
-        $zip = new \ZipArchive;
-        $filename = 'tmp/' . date('Ymd',time()) . '_u' . $this->auth->id . '_reports.zip';
-        if ($zip->open($filename,\ZipArchive::CREATE | \ZipArchive::OVERWRITE) === TRUE){
-        foreach ($list as $publish) {
-            $filepath = 'uploads' . 'l' . $publish->file;
-            if (!file_exists($filepath)) {
-                $this->error($publish->code . '文件未找到');
-            }else {
-                    $zip->addFile($filepath, basename($filepath));
-                }
-            }
-        }
-        //打包zip
-        $zip->close();
-        if (!file_exists($filename)) {
-            $this->error('创建下载文件失败!');
-        }
-        Header("Cache-Control : public");
-        Header("Content-type: application/octet-stream");
-        // Header("Content-type: application/zip");
-        header("Content-Transfer-Encoding : binary");
-        Header("Accept-Length: " . filesize($filename));
-        Header( "Cache-Control : public");
-        Header( "Content-type: application/octet-stream");//Header( "Content-type: application/zip");
-        header( "Content-Transfer-Encoding: binary");
-        Header( "Accept-Length: " . filesize($filename));
-        Header("Content-Disposition: attachment; filename=" . basename($filename));//输出文件内容
-        readfile($filename);flush();
-        // return json(0);
-    }
 }