PHP IoHandler::ReadFile Examples

Example #1

File: robot.mod.php Project: pf5512/phpstudy

	function Disallow()
	{
		$this->CheckAdminPrivs('robot');
		$name = trim($this->Get['name']);
		$disallow = 'disallow1' == $this->Code ? 1 : 0;

		$sql = "update `".TABLE_PREFIX."system_robot` set `disallow`='{$disallow}' where `name`='{$name}'";
		$this->DatabaseHandler->Query($sql);

		$sql = "select `name`,`disallow` from `".TABLE_PREFIX."system_robot` where `disallow`=1";
		$query = $this->DatabaseHandler->Query($sql);
		$robot_config = ConfigHandler::get('robot');
		$robot_config['list'] = array();
		while ($row = $query->GetRow())
		{
			$robot_config['list'][$row['name']]['disallow'] = $row['disallow'];
		}
		$configHandler = new ConfigHandler();
		$configHandler->set('robot',$robot_config);


		$disallow_string = "User-agent: {$name}
Disallow: /

";

		$load = new Load();
		$load->lib('io');
		$IoHandler = new IoHandler();
		$robots_path = ROOT_PATH . 'robots.txt';

		$robots_string_new = $robots_string = $IoHandler->ReadFile($robots_path);
		$disallow_string_strpos = strpos($robots_string,$disallow_string);
		if ($disallow && false===$disallow_string_strpos) {
			$robots_string_new = $disallow_string . $robots_string_new;
		} elseif (!$disallow && false!==$disallow_string_strpos) {
			$robots_string_new = str_replace($disallow_string,"",$robots_string_new);
		}

		if ($robots_string_new!=$robots_string) {
			$return = $IoHandler->WriteFile($robots_path,$robots_string_new);

			if (!$return) {
				$this->Messager("写入 <b>{$robots_path}</b> 文件失败，请检查是否有可读写的权限",null);
			}
		}

		$this->Messager("修改成功");
	}