#### Controller ~~~ $controller = new think\Controller(); // 前置操作 $controller->beforeAction($method, $options = []); // 加载模板输出 $controller->fetch($template = '', $vars = [], $replace = [], $config = []); // 渲染内容输出 $controller->display($content = '', $vars = [], $replace = [], $config = []); // 模板变量赋值 $controller->assign($name, $value = ''); // 初始化模板引擎 $controller->engine($engine); // 设置验证失败后是否抛出异常 $controller->validateFailException($fail = true); // 验证数据 $controller->validate($data, $validate, $message = [], $batch = false, $callback = null);复制代码 ~~~