+ baseControl: use client cache before render html.

framework/base/control.class.php

@@ -735,6 +735,9 @@ class baseControl
         ob_start();
         include $viewFile;
         if(isset($hookFiles)) foreach($hookFiles as $hookFile) if(file_exists($hookFile)) include $hookFile;
+
+        $this->useClientCache();
+
         $this->output .= ob_get_contents();
         ob_end_clean();
 
@@ -1033,6 +1036,8 @@ class baseControl
         ob_start();
         include $viewFile;
 
+        $this->useClientCache();
+
         if(!$context->rendered) \zin\renderPage();
         $content = ob_get_clean();
 
@@ -1046,6 +1051,21 @@ class baseControl
         chdir($currentPWD);
     }
 
+    /**
+     * 使用客户端缓存。
+     * Use client cache.
+     *
+     * @access public
+     * @return void
+     */
+    public function useClientCache()
+    {
+        if(!$this->config->cache->client->enable || !$this->app->useClientCache) return;
+
+        helper::setStatus(304);
+        helper::end();
+    }
+
     /**
      * 直接输出data数据，通常用于ajax请求中。
      * Send data directly, for ajax requests.