uid = $uid; $this->uType =$uType; parent::__construct('可提现金额(元)'); } protected function init() { parent::init(); $this->content(LanzuUserBalance::getBalance($this->uid, $this->uType)); } /** * 渲染卡片内容 * @return string */ public function renderContent() { $content = parent::renderContent(); return <<

{$content}

HTML; } }