您可以通过扩展 Phalcon\FlashSession 类并覆盖 outputMessage() 方法来完成此操作,或者通过创建自己的 flash 组件来输出所需的 HTML。下面是一个自定义flash组件的例子,我们用Falcon开发的时候使用了一个类似的类,这个组件假设DI中存在一个session组件。
这是未经测试的,但原则上代码可以让您向输出 HTML 添加关闭按钮,或者您可以在相关方法(错误、成功、警告、信息)中为每种消息类型设置特定的 HTML 内容。
示例用法:
// settings messages in your controllers / components
// 2nd param defines a position
$this->flashMessage->error('Something is bad!', 'form_top');
$this->flashMessage->success('Something is right!');
$this->flashMessage->info('Something is interesting!');
$this->flashMessage->warning('Something is worrying!');
// rendering messages in your views
// 1st param will render messages for a specific position if a position was set
$this->flashMessage->render();
$this->flashMessage->render('form_top');
示例类:
class FlashMessage extends Phalcon\Mvc\User\Component
{
/**
* @var array
**/
public $classmap = array();
/**
* Sets defaults for the class map (optional)
*
* @param array $classmap
**/
public function __construct($classmap = array()) {
// -- set the defaults
$this->classmap = array(
'error' => 'flash_message-error',
'success' => 'flash_message-success',
'info' => 'flash_message-info',
'warning' => 'flash_message-warning'
);
// -- set new class map options (also optional)
if (!empty($classmap)) {
foreach ($classmap as $key => $value) {
$this->classmap[$key] = $value;
}
}
}
/**
* error(), success(), info(), warning()
* Sets the flash messages
*
* @param string message
* @param string position
* @return string
**/
public function error($message, $position = '')
{
$this->session->flashMessage = array(
'position' => $position,
'message' => '<div class="' . $this->classmap['error'] . '">
' . $message . '
</div>
');
}
public function success($message, $position = '')
{
$this->session->flashMessage = array(
'position' => $position,
'message' => '<div class="' . $this->classmap['success'] . '">
' . $message . '
</div>
');
}
public function info($message, $position = '')
{
$this->session->flashMessage = array(
'position' => $position,
'message' => '<div class="' . $this->classmap['info'] . '">
' . $message . '
</div>
');
}
public function warning($message, $position = '')
{
$this->session->flashMessage = array(
'position' => $position,
'message' => '<div class="' . $this->classmap['warning'] . '">
' . $message . '
</div>
');
}
/**
* Check if theres messages in the session to render
*
* @param string $position
* @return bool
**/
public function hasMessage($position = null)
{
if (isset($this->session->flashMessage) && !empty($position)) {
return $this->session->flashMessage['position'] == $position ? true : false ;
} else {
return $this->session->flashMessage ? true : false ;
}
}
/**
* Renders the flash message
*
* @param string $position
* @return string
**/
public function render($position = null)
{
// -- store the message locally
$message = $this->session->flashMessage;
// -- check if there is in fact a flashed message
if (empty($message))
return;
// -- then remove from the session
$this->session->remove('FlashMessage');
// -- if no position the just return the message
if (is_null($position)) {
return $message['message'];
// -- else return the requested position
} elseif ($position == $message['position']) {
return $message['message'];
}
}
}