增加请求缓存功能 路由支持设置请求缓存

library/think/Request.php

@@ -119,6 +119,8 @@ class Request
     protected $bind = [];
     // php://input
     protected $input;
+    // 请求缓存
+    protected $cache;
 
     /**
      * 架构函数
@@ -1453,6 +1455,30 @@ class Request
         return $token;
     }
 
+    /**
+     * 读取缓存
+     * @access public
+     * @param string $key 缓存标识
+     * @param mixed  $expire 静态有效期
+     * @return mixed
+     */
+    public function cache($key, $expire = null)
+    {
+        if (Cache::has($key)) {
+            // 读取缓存
+            $content  = Cache::get($key);
+            $response = Response::create($content)->header('Content-Type', Cache::get($key . '_header'));
+            throw new \think\exception\HttpResponseException($response);
+        } else {
+            $this->cache = [$key, $expire];
+        }
+    }
+
+    public function getCache()
+    {
+        return $this->cache;
+    }
+
     /**
      * 设置当前请求绑定的对象实例
      * @access public

library/think/Response.php

@@ -11,9 +11,11 @@
 
 namespace think;
 
+use think\Cache;
 use think\Config;
 use think\Debug;
 use think\Env;
+use think\Request;
 use think\response\Json as JsonResponse;
 use think\response\Jsonp as JsonpResponse;
 use think\response\Redirect as RedirectResponse;
@@ -111,6 +113,14 @@ class Response
         }
         echo $data;
 
+        if (200 == $this->code) {
+            $cache = Request::instance()->getCache();
+            if ($cache) {
+                Cache::set($cache[0], $data, $cache[1]);
+                Cache::set($cache[0] . '_header', $this->header['Content-Type']);
+            }
+        }
+
         if (function_exists('fastcgi_finish_request')) {
             // 提高页面响应
             fastcgi_finish_request();

library/think/Route.php

@@ -1292,6 +1292,7 @@ class Route
      */
     private static function parseRule($rule, $route, $pathinfo, $option = [], $matches = [], $merge = false)
     {
+        $request = Request::instance();
         // 解析路由规则
         if ($rule) {
             $rule = explode('/', $rule);
@@ -1364,13 +1365,13 @@ class Route
                     $bind[$key] = $result;
                 }
             }
-            Request::instance()->bind($bind);
+            $request->bind($bind);
         }
 
         // 解析额外参数
         self::parseUrlParams(empty($paths) ? '' : implode('/', $paths), $matches);
         // 记录匹配的路由信息
-        Request::instance()->routeInfo(['rule' => $rule, 'route' => $route, 'option' => $option, 'var' => $matches]);
+        $request->routeInfo(['rule' => $rule, 'route' => $route, 'option' => $option, 'var' => $matches]);
 
         // 检测路由after行为
         if (!empty($option['after_behavior'])) {
@@ -1410,6 +1411,10 @@ class Route
             // 路由到模块/控制器/操作
             $result = self::parseModule($route);
         }
+        // 开启请求缓存
+        if ($request->isGet() && !empty($option['cache'])) {
+            $request->cache($pathinfo, $option['cache']);
+        }
         return $result;
     }