✨ 改进更新功能

application/index/controller/admin/System.php

@@ -92,10 +92,9 @@ class System extends Base
     public function upgrade()
     {
         Db::startTrans();
-        $isBackup = $this->request->request('backup', true); // 是否备份原系统文件
-        $backup = 'backups/' . date('YmdHis') . '.zip';
         $upgrade = null;
         try {
+
             $upgrade = new \Upgrade(app()->getRootPath(), $this->getConfig('system_version'));
             $release = $upgrade->release(); // 获取最新版
             // 判断是否已经是最新版
@@ -117,8 +116,6 @@ class System extends Base
                 throw new \Exception('SQL 文件获取失败');
             }
 
-            $isBackup && $upgrade->backup($backup); // 备份原系统
-
             // 创建安装锁文件
             if (!@fopen($path . 'application/install.lock', 'w')) {
                 throw new \Exception('安装锁文件创建失败');
@@ -185,29 +182,27 @@ class System extends Base
             $upgrade->rmdir($upgrade->getWorkspace());
             $this->error($e->getMessage());
         }
-        $this->success('升级完成, 文件已备份至: ' . $backup);
+        $this->success('升级完成');
     }
 
-    public function check()
+    /**
+     * 备份系统
+     */
+    public function backup()
     {
-        $release = null;
+        $backup = 'backups/' . date('YmdHis') . '.zip';
         try {
             $upgrade = new \Upgrade(app()->getRootPath(), $this->getConfig('system_version'));
-            $release = $upgrade->release(); // 获取安装包列表
-            if (!$release) {
-                throw new \Exception('获取版本时遇到错误');
-            }
-            // 判断是否已经是最新版
-            if ($upgrade->check($release->version)) {
-                throw new \Exception('当前系统已经是最新版');
-            }
+            $upgrade->backup($backup);
         } catch (\Exception $e) {
             $this->error($e->getMessage());
+        } catch (\PDOException $e) {
+            $this->error($e->getMessage());
+        } catch (\HttpException $e) {
+            $this->error($e->getMessage());
+        } catch (\Throwable $e) {
+            $this->error($e->getMessage());
         }
-
-        $this->success('发现新版本', null, [
-            'version' => $release->version,
-            'info' => $release->info,
-        ]);
+        $this->success('备份完成, ' . $backup);
     }
 }

extend/Upgrade.php

@@ -168,9 +168,11 @@ class Upgrade
      */
     public function release()
     {
-        $releases = $this->releases();
+        if (!$release = @file_get_contents(self::RELEASES_URL . '?version=last')) {
+            throw new \Exception('更新服务器异常, 请稍后重试!');
+        }
 
-        return current($releases);
+        return json_decode($release);
     }
 
     /**

public/static/app/js/app.js

@@ -160,28 +160,57 @@ var app = {
     });
     $d.$dialog.css({'max-width': '300px'});
     mdui.mutation();
-    setTimeout(function () {
+    var upgradeCallback = function () {
+      setTimeout(function () {
+        $.ajax({
+          url: '/admin/system/upgrade.html',
+          type: 'POST',
+          data: {backup: backup},
+          success: function (res) {
+            mdui.alert(res.msg, '系统提示', function () {
+              history.go(0);
+            }, {
+              modal: true,
+              closeOnEsc: true,
+            });
+          },
+          complete: function () {
+            $d.close();
+            loading = false;
+          },
+          error: function () {
+            mdui.alert('升级失败, 请稍后重试', '系统提示');
+          }
+        });
+      }, 1000)
+    };
+
+    if (backup) {
       $.ajax({
-        url: '/admin/system/upgrade.html',
+        url: '/admin/system/backup.html',
         type: 'POST',
-        data: {backup: backup},
         success: function (res) {
-          mdui.alert(res.msg, '系统提示', function() {
-            history.go(0);
-          }, {
-            modal: true,
-            closeOnEsc: true,
-          });
+          if (res.code) {
+            upgradeCallback();
+          } else {
+            mdui.alert(res.msg, '系统提示', function () {
+              // history.go(0);
+            }, {
+              modal: true,
+              closeOnEsc: true,
+            });
+          }
         },
         complete: function () {
           $d.close();
-          loading = false;
         },
         error: function () {
-          mdui.alert('升级失败, 请稍后重试', '系统提示');
+          mdui.alert('备份失败, 请稍后重试', '系统提示');
         }
       });
-    }, 1000)
+    } else {
+      upgradeCallback();
+    }
   },
   /**
    * 检测版本更新
@@ -220,10 +249,10 @@ var app = {
                     mdui.confirm(
                       '将会在升级前备份原系统文件, 但不包括 runtime 和 public 目录以及数据库',
                       '⚠ 是否需要备份原系统?',
-                      function() {
+                      function () {
                         app.upgrade(true);
                       },
-                      function() {
+                      function () {
                         app.upgrade(false);
                       },
                       {