text: <?php
  // +----------------------------------------------------------------------
  // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
  // +----------------------------------------------------------------------
  // | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
  // +----------------------------------------------------------------------
  // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
  // +----------------------------------------------------------------------
  // | Author: liu21st <liu21st@gmail.com>
  // +----------------------------------------------------------------------
  
  namespace think\debug;
  
  use think\Container;
  use think\Db;
  use think\Response;
  
  /**
   * 页面Trace调试
   */
  class Html
  {
      protected $config = [
          'file' => '',
          'tabs' => ['base' => '基本', 'file' => '文件', 'info' => '流程', 'notice|error' => '错误', 'sql' => 'SQL', 'debug|log' => '调试'],
      ];
  
      // 实例化并传入参数
      public function __construct(array $config = [])
      {
          $this->config = array_merge($this->config, $config);
      }
  
      /**
       * 调试输出接口
       * @access public
       * @param  Response  $response Response对象
       * @param  array     $log 日志信息
       * @return bool
       */
      public function output(Response $response, array $log = [])
      {
          $request     = Container::get('request');
          $contentType = $response->getHeader('Content-Type');
          $accept      = $request->header('accept');
          if (strpos($accept, 'application/json') === 0 || $request->isAjax()) {
              return false;
          } elseif (!empty($contentType) && strpos($contentType, 'html') === false) {
              return false;
          }
          // 获取基本信息
          $runtime = number_format(microtime(true) - Container::get('app')->getBeginTime(), 10, '.', '');
          $reqs    = $runtime > 0 ? number_format(1 / $runtime, 2) : '∞';
          $mem     = number_format((memory_get_usage() - Container::get('app')->getBeginMem()) / 1024, 2);
  
          // 页面Trace信息
          if ($request->host()) {
              $uri = $request->protocol() . ' ' . $request->method() . ' : ' . $request->url(true);
          } else {
              $uri = 'cmd:' . implode(' ', $_SERVER['argv']);
          }
          $base = [
              '请求信息' => date('Y-m-d H:i:s', $_SERVER['REQUEST_TIME']) . ' ' . $uri,
              '运行时间' => number_format($runtime, 6) . 's [ 吞吐率：' . $reqs . 'req/s ] 内存消耗：' . $mem . 'kb 文件加载：' . count(get_included_files()),
              '查询信息' => Db::$queryTimes . ' queries ' . Db::$executeTimes . ' writes ',
              '缓存信息' => Container::get('cache')->getReadTimes() . ' reads,' . Container::get('cache')->getWriteTimes() . ' writes',
          ];
  
          if (session_id()) {
              $base['会话信息'] = 'SESSION_ID=' . session_id();
          }
  
          $info = Container::get('debug')->getFile(true);
  
          // 页面Trace信息
          $trace = [];
          foreach ($this->config['tabs'] as $name => $title) {
              $name = strtolower($name);
              switch ($name) {
                  case 'base': // 基本信息
                      $trace[$title] = $base;
                      break;
                  case 'file': // 文件信息
                      $trace[$title] = $info;
                      break;
                  default: // 调试信息
                      if (strpos($name, '|')) {
                          // 多组信息
                          $names  = explode('|', $name);
                          $result = [];
                          foreach ($names as $name) {
                              $result = array_merge($result, isset($log[$name]) ? $log[$name] : []);
                          }
                          $trace[$title] = $result;
                      } else {
                          $trace[$title] = isset($log[$name]) ? $log[$name] : '';
                      }
              }
          }
          // 调用Trace页面模板
          ob_start();
          include $this->config['file'];
          return ob_get_clean();
      }
  
  }
  