⬆️ Upgrading dependencies.

application/index/controller/admin/System.php

@@ -85,4 +85,9 @@ class System extends Base
             $this->success('发送成功');
         }
     }
+
+    public function upgrade()
+    {
+        (new \Upgrade(app()->getRootPath()))->exec();
+    }
 }

extend/Upgrade.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * Created by Wisp X
+ * User: Wisp X
+ * Date: 2020/3/13
+ * Time: 16:44
+ */
+
+class Upgrade
+{
+    const RELEASES_URL = 'https://releases.lsky.pro';
+
+    /**
+     * 程序根目录路径
+     *
+     * @var
+     */
+    private $path;
+
+    public function __construct($path)
+    {
+        $this->path = $path;
+    }
+
+    private function getNewest()
+    {
+        // TODO 获取最新版本号
+        return '1.5.8';
+    }
+
+    private function getPackage()
+    {
+        // TODO 获取增量包下载链接
+        return 'https://api.github.com/repos/wisp-x/lsky-pro/zipball/v1.5.8';
+    }
+
+    private function download()
+    {
+        set_time_limit(180);
+        ini_set('max_execution_time', 180);
+
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $this->getPackage());
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 120);
+        $img = curl_exec($ch);
+        curl_close($ch);
+
+        file_put_contents($filename, $img);
+
+        unset($img, $url);
+        return true;
+    }
+
+    public function exec()
+    {
+        dump($this->download());exit;
+    }
+}