yii2常用路径获取

echo "当前域名地址：".Yii::$app->request->hostInfo."";
echo "当前目录物理路径：".Yii::$app->basePath."";
echo "当前项目路径：".dirname(Yii::$app->BasePath)."";
echo "当前Url: ".Yii::$app->request->url."";
echo "当前Home Url: ".Yii::$app->homeUrl."";
echo "当前return Url: ".Yii::$app->user->returnUrl."";
echo "获取当前模块ID方法：".Yii::$app->controller->module->id."";
echo "获取当前控制器的ID方法：".Yii::$app->controller->id."";
echo "获取当前action的ID方法：".Yii::$app->controller->action->id."";
echo "ip地址： ".Yii::$app->request->userIP."";
echo "上一个绝对Url":".Yii::$app->request->referrer."";
echo "返回绝对路径:".Yii::$app->urlManager->createAbsoluteUrl('a/b').""
echo "是否启用路由美化".Yii::$app->urlManager->enablePrettyUrl."";