Implementation method of immersive layout developed in PHP in WeChat mini program

With the popularization of smart phones and the development of mobile Internet, WeChat has become one of the indispensable tools in people's life and work. As a new star in the WeChat ecosystem, WeChat mini programs are developing and growing rapidly. Compared with traditional apps, WeChat mini programs do not require downloading and installation and can be used anytime and anywhere, allowing users to enjoy a more convenient service experience. In the development of WeChat mini programs, immersive layout is a very practical design solution.

Designers and developers usually place UI elements (such as navigation bars, tab bars, etc.) at the top or bottom of the screen, and adjust the layout of the main content so that when users use the mini program, they can be as visible as possible. Use screen space wisely. This layout is called "immersive layout" because it breaks traditional design paradigms and allows users to become more immersed in the application.

However, achieving immersive layout in WeChat mini programs is a challenging task. Because WeChat applet adopts a development method based on web technology, this means that we need to use HTML, CSS and JavaScript to achieve immersive layout. PHP is a powerful back-end scripting language that can handle complex business logic and data storage, but is generally not directly used for front-end development. So, how to use PHP to achieve immersive layout in WeChat mini programs?

The following will introduce you to an implementation method that combines the native navigation bar component of the WeChat applet and the data interface developed by PHP to achieve the effect of dynamically loading the navigation bar in the applet page.

First, we need to introduce the navigation bar component into the mini program page. In the WeChat applet, the navigation bar component can be learned through the WeChat official developer documentation, so I won’t go into details here. As you can see, the WeChat applet provides a native navigation bar component, which can easily display and hide the navigation bar in the applet.

Then, we need to use PHP to develop a data interface that can return relevant information of the navigation bar, such as navigation bar title, color, etc. This information can be saved in a database such as MySQL, and PHP obtains this information by querying the database, and then returns it to the mini program front-end page.

Next, we need to use the wx.request() method in the Page object of the applet to send a request to the PHP interface to obtain navigation bar related information. After obtaining this information, we can use the navigation bar component in the mini program to dynamically apply this information to the navigation bar. You can use the wx.setNavigationBarTitle() method to set the navigation bar title and the wx.setNavigationBarColor() method to set the navigation bar color.

Finally, in order to achieve the effect of immersive layout, we need to fine-tune the content in the mini program page. In the mini program, if the height of the page content is not adjusted, the navigation bar will overlap with the content area, affecting the user experience. Therefore, we can use the mini program's native scroll-view component to adjust the height of the content area to the height of the entire screen minus the height of the navigation bar. In this way, users can fully see the page content without any obstruction.

In general, by combining the native navigation bar component of the WeChat applet and the data interface developed by PHP, we can achieve the effect of dynamically loading the navigation bar in the applet, thereby achieving an immersive layout. Of course, this is just one implementation method, not the only one. In the actual development process, the best solution needs to be selected based on actual needs and technical level.

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