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app/middleware/Auth.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\middleware;
+
+class Auth
+{
+    /**
+     * 处理请求
+     *
+     * @param \think\Request $request
+     * @param \Closure       $next
+     */
+    public function handle($request, \Closure $next)
+    {
+        // 登陆状态
+        $islogin = session('?islogin');
+
+        if ($islogin) {
+            return $next($request);
+        } else {
+            $method = $request->isJson();
+            if ($method) {
+                return \json(\backMsg(404, '身份过期，请重新登陆'));
+            }
+            return redirect('/User/login');
+        }
+    }
+}