完善错误页面，可在配置文件根据HTTP状态码指定页面展示

framework/Framework.php

@@ -117,9 +117,9 @@ class Framework
                 $scriptName = $_SERVER['SCRIPT_NAME'];
                 $pos = strrpos($scriptName, '/');
                 $root = substr($scriptName, 0, $pos + 1);
-                $path = $root . 'resource' . DS;
+                $path = $root . 'resource' . '/';
             }
-            define('RESOURCE', str_replace('/', DS, $path));
+            define('RESOURCE', $path);
         }
     }
 

framework/config/config.php

@@ -1,11 +1,13 @@
 <?php
 // 默认配置
-
 return [
     'default_controller' => 'Index',
     'default_method' => 'index',
     'compel_route' => false,
     'complete_parameter' => true,
+    'error_pages' => [
+        404 => '.' . DS . '404.html',
+    ],
     'register' => [
         'Top' => \top\library\template\driver\Top::class,
     ],

framework/library/Router.php

@@ -244,7 +244,7 @@ class Router
             $this->handler($this->request->uri());
         } catch (RouteException $exception) {
             if (!DEBUG) { // 非调试模式直接404
-                return \response()->notFound();
+                return \response()->code(404)->send();
             } else throw $exception;
         }
 

framework/library/http/Response.php

@@ -2,6 +2,7 @@
 
 namespace top\library\http;
 
+use Exception;
 use top\library\View;
 use top\traits\Instance;
 use top\traits\Json;
@@ -30,6 +31,60 @@ class Response
      */
     private $header = [];
 
+    /**
+     * HTTP状态码
+     * @var integer
+     */
+    private $code = 200;
+
+    /**
+     * HTTP状态码详情
+     * @var array
+     */
+    private $codeDetail = [
+        100 => 'Continue',
+        101 => 'Switching Protocols',
+        200 => 'OK',
+        201 => 'Created',
+        202 => 'Accepted',
+        203 => 'Non-Authoritative Information',
+        204 => 'No Content',
+        205 => 'Reset Content',
+        206 => 'Partial Content',
+        300 => 'Multiple Choices',
+        301 => 'Moved Permanently',
+        302 => 'Moved Temporarily ',
+        303 => 'See Other',
+        304 => 'Not Modified',
+        305 => 'Use Proxy',
+        307 => 'Temporary Redirect',
+        400 => 'Bad Request',
+        401 => 'Unauthorized',
+        402 => 'Payment Required',
+        403 => 'Forbidden',
+        404 => 'Not Found',
+        405 => 'Method Not Allowed',
+        406 => 'Not Acceptable',
+        407 => 'Proxy Authentication Required',
+        408 => 'Request Timeout',
+        409 => 'Conflict',
+        410 => 'Gone',
+        411 => 'Length Required',
+        412 => 'Precondition Failed',
+        413 => 'Request Entity Too Large',
+        414 => 'Request-URI Too Long',
+        415 => 'Unsupported Media Type',
+        416 => 'Requested Range Not Satisfiable',
+        417 => 'Expectation Failed',
+        500 => 'Internal Server Error',
+        501 => 'Not Implemented',
+        502 => 'Bad Gateway',
+        503 => 'Service Unavailable',
+        504 => 'Gateway Timeout',
+        505 => 'HTTP Version Not Supported',
+        509 => 'Bandwidth Limit Exceeded',
+    ];
+
     /**
      * 设置Header
      * @param null $header
@@ -48,35 +103,51 @@ class Response
         return $this;
     }
 
+    /**
+     * 设置响应状态码
+     * @param $code
+     * @return Response
+     */
+    public function code($code = 200)
+    {
+        if (isset($this->codeDetail[$code])) {
+            $this->code = $code;
+            $text = $code . ' ' . $this->codeDetail[$code];
+            return $this->header([
+                'HTTP/1.1 ' . $text,
+                'Status ' . $text,
+            ]);
+        }
+        throw new Exception('不支持的状态码：' . $code);
+    }
+
     /**
      * 返回内容
      * @param $data
-     * @return false|int|null|string
+     * @return Response
      */
-    public function send($data)
+    public function send($data = null)
     {
         if ($data instanceof Response) {
             return $data;
         } else {
-            // 处理响应数据，并返回
-            $this->content = $this->getContent($data);
+            $pages = config('error_pages');
+            if (isset($pages[$this->code])) {
+                $filename = $pages[$this->code];
+                if (is_file($filename)) {
+                    $this->content = file_get_contents($filename);
+                } else {
+                    $this->content = '';
+                }
+            } else {
+                // 处理响应数据，并返回
+                $this->content = $this->getContent($data);
+            }
 
             return $this;
         }
     }
 
-    public function notFound()
-    {
-        $this->header([
-            'HTTP/1.1 404 Not Found',
-            'Status: 404 Not Found'
-        ]);
-        return <<<EOF
-页面找不到了
-EOF;
-
-    }
-
     /**
      * 处理数据
      * @param $data

public/404.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>404 Not Found</title>
+</head>
+<body>
+    <script type="text/javascript" src="https://qzonestyle.gtimg.cn/qzone_v6/lostchild/search_children.js"></script> 
+</body>
+</html>