update

.env

@@ -2,7 +2,7 @@ APP_DEBUG = true
 
 DB_HOST      = 127.0.0.1
 DB_PORT      = 3306
-DB_DATABASE  = my_blog
+DB_DATABASE  = my_blog_2022
 DB_USERNAME  = root
 DB_PASSWORD  = root
 DB_CHARSET   = utf8mb4
\ No newline at end of file

app/middleware/InstallCheck.php

@@ -8,16 +8,36 @@ use Webman\Http\Request;
 
 /**
  * Class InstallCheck 博客程序首次安装检测
+ *
  * @package app\middleware
  */
 class InstallCheck implements MiddlewareInterface
 {
-    public function process(Request $request, callable $next): Response
+    public function process(Request $request, callable $handler): Response
     {
         $lock_file = base_path() . DIRECTORY_SEPARATOR . 'extend' . DIRECTORY_SEPARATOR . 'install.lock';
         if (!file_exists($lock_file)) {
-
+            $dbHost    = env('db_host');
+            $dbUser    = env('db_username');
+            $dbPwd     = env('db_password');
+            $dbPort    = env('db_port');
+            $dbCharset = env('db_charset');
+            $dbName    = env('db_database');
+            try {
+                $conn = mysqli_connect($dbHost, $dbUser, $dbPwd, null, $dbPort);
+                mysqli_query($conn, "SET NAMES {$dbCharset}");
+                if (!mysqli_select_db($conn, $dbName)) {
+                    if (!mysqli_query($conn, "CREATE DATABASE IF NOT EXISTS `{$dbName}` DEFAULT CHARACTER SET {$dbCharset};")) {
+                        $errorMsg = "数据库{$dbName} 不存在，也没权限创建新的数据库！";
+                        mysqli_close($conn);
+                        return response($errorMsg, 400);
+                    }
+                }
+            } catch (\Exception $e) {
+                $errorMsg = "连接 MySQL 失败: " . mysqli_connect_error() . $e->getMessage();
+                return response($errorMsg, 400);
+            }
         }
-        return $next($request);
+        return $handler($request);
     }
 }
\ No newline at end of file