When developing using the ThinkPHP framework, jump pages are often used. For example, in login, registration, logout and other functions, we need to jump to different pages, so how to jump to the default path?

First of all, in the ThinkPHP framework, jumps can use the redirection method.

Redirection is implemented through HTTP status codes. Common status codes are 301 (permanent redirection) and 302 (temporary redirection). In ThinkPHP, we can implement redirection through the redirect method. For example:

public?function?index()
{
????redirect('http://www.example.com');
}

This code will redirect the user to the website http://www.example.com.

However, in actual development, we may need to jump to different paths, such as jumping to the login interface, jumping back to the previous page, etc. At this time, we can use some specific parameters to jump to the default path.

1. Jump to other operations in the current controller

We can use the url method to generate links to other operations in the current controller. For example:

public?function?index()
{
????$this->redirect(url('login'));
}

This code will redirect the user to the login method of the current controller.

2. Jump to the operations of other controllers in the current module

We can use the url method to generate links to the operations of other controllers in the current module. For example:

public?function?index()
{
????$this->redirect(url('index/Index/hello'));
}

This code will redirect the user to the hello method of the Index controller under the current module.

3. Jump to the specified module, controller and operation

We can use the url method to generate links to the specified module, controller and operation. For example:

public?function?index()
{
????$this->redirect(url('admin/Index/index'));
}

This code will redirect the user to the index method of the Index controller under the admin module.

4. Jump to the previous page

We can use session to save the previous page, and then read the session value when jumping. For example:

public?function?index()
{
????//?將當(dāng)前頁面URL保存到session中
????session('redirect_url',?$_SERVER["HTTP_REFERER"]);
????
????$this->redirect(url('login'));
}

public?function?login()
{
????//?獲取之前保存的頁面URL
????$redirect_url?=?session('redirect_url');
????//?如果沒有保存或無法讀取，則跳轉(zhuǎn)至首頁
????if?(empty($redirect_url))?{
????????$this->redirect(url('Index/index'));
????}?else?{
????????$this->redirect($redirect_url);
????}
}

This code will save the URL of the current page into the session, and then redirect the user to the login method. After successful login, you will be redirected back to the previously saved page.

Summary

In the ThinkPHP framework, jumps can be implemented using the redirection method. Through some specific parameters, we can jump to the default path, such as jumping to other operations in the current controller, jumping to specified modules, controllers, and operations, etc. At the same time, we can also use session to save the previous page and then jump back to the previous page. These methods can help us jump to pages more conveniently and improve development efficiency.

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