安装包倒序排序取最新包

app/common.php

@@ -331,4 +331,23 @@ function get_datetime($datetime,$type = 1)
         default:
             return $datetime;
     }
-}
+}
+
+/**
+ * 获取最新安装包 已安装包名称倒序排序 取第一个
+ * @return false|mixed
+ */
+function get_new_apk_filename():string
+{
+    $public_path = public_path();
+
+    $apkDir = $public_path . '/storage/'.'download';
+
+    $files = scandir($apkDir); // 获取目标文件夹下的文件名
+
+    $files = array_diff($files, ['.', '..']); // 删除
+
+    rsort($files); // 以值 倒序排序
+
+    return reset($files);
+}

app/controller/User.php

@@ -264,7 +264,8 @@ class User extends BaseController
      */
     public function downloadApp()
     {
-        $file_url = get_image_url('download/app-dgg_v1.0.1.apk');//文件路径
+        $apk_filename = get_new_apk_filename();
+        $file_url = get_image_url('download/'.$apk_filename);//文件路径
         return $this->renderSuccess('成功',['app_url' => $file_url]);
     }