禁止非法访问文章分类，抛出异常

app/index/controller/Article.php

@@ -20,7 +20,13 @@ class Article extends BaseController
     ];
 	
 	//文章分类
-    public function cate(){
+    public function cate()
+	{
+		//非法请求参数，抛出异常
+		if(count(Request::param()) >3){
+			// 抛出 HTTP 异常
+                throw new \think\exception\HttpException(404, '请求异常');
+		}
 
 		//获取分类ID
 		$ename = Request::param('ename');

app/index/route/route.php

@@ -14,7 +14,11 @@ Route::get('captcha/[:config]','\\think\\captcha\\CaptchaController@index');
 Route::rule('/', 'index'); // 首页访问路由
 Route::group(function () {
 	Route::get('jie/:id', 'article/detail'); 
-	Route::get('column/<ename?>/<type?>/<page?>','article/cate');
+	Route::get('column/<ename?>/<type?>/<page?>','article/cate')
+		->pattern([
+				'ename' => '\w+',
+				'page'   => '\d+',
+			]);
 	Route::rule('add','article/add');
 	Route::rule('edit/[:id]','article/edit');
 	//Route::rule('del/:id','article/delete');