How to get the current url in yii framework

1. Get the current domain name:

//当前域名 
\Yii::$app->request->hostInfo;

2. Get the url except the domain name:

//除域名外的URL 
\Yii::$app->request->getUrl();

3. Get the path information in the url ( Excluding host and parameters):

//获取url中的路径信息（不包含host和参数）
\Yii::$app->request->getPathInfo();

4. Get the parameter part in the url:

//获取url中的参数部分
\Yii::$app->getRequest()->queryString;

5. Get the value of a certain parameter, such as id:

//获取某个参数的值，比如id
\Yii::$app->getRequest()->get('id');

6 , Get the root directory address except the domain name:

//除域名外的根目录地址 
\Yii::$app->homeUrl;

(recommended learning: yii framework)

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