How to generate hyperlinks in yii-YII-php.cn

How to generate hyperlinks in yii

In the project, it is recommended to use the built-in URL tool class of Yii2 to generate links, which can very conveniently manage the URL behavior of the entire site: such as changing the URL format of the entire site by modifying the configuration, etc. .

Yii2 Default URL link format

Yii2 Default URL link format refers to the format when URL beautification is enabled.

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The URL format of the submodule is not enabled:

// 参数 r 中的 article 表示控制器， view 表示动作http://www.example.com/index.php?r=article/view&id=100

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The URL format of the submodule is enabled:

// 参数 r 中的 kernel 表示子模块http://www.example.com/index.php?r=kernel/article/view&id=100

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Yii2 built-in URL generation tool

URL manager: urlManager

URL helper class: yii\helpers\Url

Use the built-in URL generation tool can beautify the URL of the entire site through configuration without changing the source code.

URL Manager

The URL manager is a built-in application component called urlManager. In WEB applications and console applications, URLs can be created in the following two ways:

\Yii::$app->urlManager->createUrl($params) \Yii::$app->urlManager->createAbsoluteUrl($params, $schema = null)

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createUrl method generates the relative path to the root directory, for example: /index.php?r=article/view

## The #createAbsoluteUrl() method generates an absolute path, for example: http://www.example.com/index.php?r=article/view

Common examples of using URL managers to create URLs:

// URL：/index.php?r=article/view \Yii::$app->urlManager->createUrl('article/view'); // URL：/index.php?r=article/view&id=2 \Yii::$app->urlManager->createUrl(['article/view','id'=>2]); // URL： http://www.example.com?r=kernel/article/viewecho \Yii::$app->urlManager->createAbsoluteUrl('kernel/article/view');

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URL Helper Class

Compared with the URL manager, using the yii\helpers\Url helper class can greatly simplify the creation of URLs.

1. Assume that the current URL /index.php?r=kernel/article/view&id=10, the following explains how the URL helper class Url::to() works (not recommended):

How to generate hyperlinks in yii

2. Assuming the current URL /index.php?r=kernel/article/view&id=10, the following explains how the URL helper class Url::toRoute() method works (recommended) ：

How to generate hyperlinks in yii

3. Assuming the current URL /index.php?r=kernel/article/view&id=10, the following explains how the URL helper class Url::current() method is Working (recommended):

How to generate hyperlinks in yii

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