bug

application/index/controller/News.php

@@ -201,35 +201,36 @@ class News extends Basic
     }
 
 
-
+    /**
+     * 附件下载并替换文件名
+     *
+     */
     public function downloadFile() {
 
-        $data[]=['file_name'=>'12','file_former_name'=>'44'];
-        $data[]=['file_name'=>'12','file_former_name'=>'44'];
-        return $this->response(200, $data);
-
-
-        // dump(666);exit;
-        // $this->params['file_name']= '20181203/20181203110021473.jpg';
-        // $this->params['file_former_name']='ceshi.jpg';
-        // if (empty($this->params['file_name']) or empty($this->params['file_former_name'])) {
-        //     echo "<script>alert('文件不存在')</script>";
-        // }
-        //
-        // $file_name = $this->params['file_name'];
-        // $file_former_name = $this->params['file_former_name'];
-        //
-        // $filepath = ROOT_PATH . 'public/static/business_school_file/'.$file_name;
-        // if(file_exists($filepath)){
-        //     header("Content-type:application/octet-stream");
-        //     $filename = basename($filepath);
-        //     header("Content-Disposition:attachment;filename = {$file_former_name}");
-        //     header("Accept-ranges:bytes");
-        //     header("Accept-length:".filesize($filepath));
-        //     readfile($filepath);
-        // }else{
-        //     echo "<script>alert('文件不存在')</script>";
-        // }
+        if (empty($this->params['file_id'])) {
+            echo "<script>alert('文件不存在')</script>";
+        }
+        $field = 'id,file_name,annex_file_name';
+        $where['status'] = 0;
+        $where['id']     = $this->params['file_id'];
+        $m_file = new SFile();
+        $data = $m_file->getFileById($field, $where);
+
+
+        $file_name = $data['file_name'];
+        $file_former_name = $data['file_former_name'];
+
+        $filepath = ROOT_PATH . 'public/static/business_school_file/'.$file_name;
+        if(file_exists($filepath)){
+            header("Content-type:application/octet-stream");
+            $filename = basename($filepath);
+            header("Content-Disposition:attachment;filename = {$file_former_name}");
+            header("Accept-ranges:bytes");
+            header("Accept-length:".filesize($filepath));
+            readfile($filepath);
+        }else{
+            echo "<script>alert('文件不存在')</script>";
+        }
     }
 
 }
\ No newline at end of file

application/model/SFile.php

@@ -76,4 +76,13 @@ class SFile extends BaseModel
             ->order($order)
             ->select();
     }
+
+    public function getFileById($field = '', $params = '')
+    {
+        return $this
+            ->field($field)
+            ->where($params)
+            ->find();
+    }
+
 }
\ No newline at end of file