圖片下載

@@ -16,6 +16,9 @@ use think\db\exception\BindParamException;
 use think\exception\DbException;
 use think\exception\PDOException;
 use think\exception\ValidateException;
+use http\Header;
+use think\Env;
+use app\api\controller\Login;
 
 /**
  * 学生管理
@@ -296,5 +299,61 @@ class Study extends Backend
         $this->success();
     }
 
+    /**
+     * 下载分享码
+     *
+     * @param $ids
+     * @return void
+     */
+    public function multi($ids = null)
+    {
+        $ids = $this->request->param('ids');
+        $product = new \app\admin\model\Study();
+        $ids = explode(',', $ids);
+        $arr = $product->whereIn('id' , $ids)->field('barcode')->select();
+        foreach ($arr as $v){
+            $v['barcode'] = substr($v['barcode'],20);
+            $as =  ROOT_PATH.'public/'.$v['barcode'];
+            $data[]=$as;
+        }
+        $url = ROOT_PATH.'public/';
+        // $data = [
+        //     ROOT_PATH.'public/uploads/QR/20230301/_18.jpg'
+        //     ];
+        // zip 临时文件
+        $tmp_dir = $url . 'temp/';
+        // zip名称
+        $zip_name = 'quality_'.time().'.zip';
+        // 打包
+        $zipName = $this->zip_files($data, $tmp_dir.$zip_name);
+        //下载
+        $down = 'http://campus.shs.broing.cn/temp/'.$zip_name;
+        downloads($down);
+    }
+
+    /**
+     * 打包成zip
+     * @param $pathArr
+     * @param $zipName
+     * @return array
+     */
+    public function zip_files($pathArr,$zipName)
+    {
+
+        $zip = new \ZipArchive();
+        if($zip->open($zipName,\ZipArchive::CREATE|\ZipArchive::OVERWRITE)){
+            foreach($pathArr as $file){
+                if(!file_exists($file)){
+                    continue;
+                }
+                $zip->addFile($file,basename($file));  //向压缩包中添加文件
+            }
+            $zip->close();
+            return $zipName;
+        }else{
+            return '';
+        }
+    }
+
 
 }

@@ -11,7 +11,7 @@
                         <a href="javascript:;" class="btn btn-success btn-import {:$auth->check('你的权限规则')?'':'hide'}" title="导入" id="btn-import-file" data-url="ajax/upload" data-mimetype="csv,xls,xlsx" data-multiple="false"><i class="fa fa-upload"></i> 导入</a>
                         <a href="javascript:;" class="btn btn-danger  btn-export {:$auth->check('study/export')?'':'hide'}" title="{:__('Export')}" id="btn-export-file"><i class="fa fa-download"></i> {:__('Export')}</a>
                         <a class="btn btn-info btn-disabled disabled btn-selected" href="javascript:;"><i class="fa fa-leaf"></i> 批量下载</a>
-
+                        <a href="#" title="下载分享码" class="btn btn-success btn-disabled download {:$auth->check('study/multi')?'':'hide'} ">下载分享码</a>
 
                         <div class="dropdown btn-group {:$auth->check('study/multi')?'':'hide'}">
                             <ul class="dropdown-menu text-left" role="menu">

@@ -548,12 +548,12 @@ EOT;
         if (file_exists($filename)) {
             unlink($filename);
         }
-//重新生成文件
+        //重新生成文件
         $zip = new ZipArchive();
         if ($zip->open($filename, ZIPARCHIVE::CREATE) !== TRUE) {
             exit('无法打开文件，或者文件创建失败');
         }
-//    $datalist=array('try.php','zip_class.php');
+        //    $datalist=array('try.php','zip_class.php');
         foreach ($datalist as $val) {
             if (file_exists($val)) {
                 $path_parts = pathinfo($val);
@@ -572,4 +572,31 @@ EOT;
         $upload_path = str_replace('\\', '/', ROOT_PATH);
         return $upload_path . 'public' . $path;
     }
+
+    /**
+     *下载小程序码到浏览器
+     *
+     * @param string $pic_url 下载路径
+     */
+    function downloads($file)
+    {
+        $fileTmp = pathinfo($file);
+        $fileExt = $fileTmp['extension'];    //图片后缀名
+        $filename =($fileTmp['filename']);   //图片名称，可以任务设置图片名称
+        $saveFileName = ($filename.'.'.$fileExt);
+        $fp=fopen($file,"r");
+        //下载文件需要用到的头
+        Header("Content-type: video/quicktime");
+        Header("Accept-Ranges: bytes");
+        Header("Content-Disposition: attachment; filename=".$saveFileName);
+        $buffer=1024;
+        $file_count=0;
+        //向浏览器返回数据
+        while(!feof($fp)){
+            $file_con=fread($fp,$buffer);
+            $file_count+=$buffer;
+            echo $file_con;
+        }
+        fclose($fp);
+    }
 }

 define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefined, Backend, Table, Form) {
 
+    $('.download').click(function () {
+        var ids = Table.api.selectedids($("#table"));
+        window.location.href = '/back.php/study/multi?ids='+ids;
+    });
+
     var Controller = {
         index: function () {
             // 初始化表格参数配置
@@ -26,10 +31,8 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                         if (res.code === 1) {
                             var domain = window.location.href.split(':')[0] + '://' + document.domain;
                             var url = domain + '/back.php/study/down_file';
-                            var link = document.createElement('a');
-                            link.setAttribute("download", "");
-                            link.href = url;
-                            link.click();
+                            window.location.href = url;
+                            location.reload();
                             $(".btn-refresh").trigger("click");
                         }
                     }