What to do if the uniapp page exceeds the mobile screen

With the popularization of mobile devices and the rapid development of the Internet, more and more developers have begun to turn their attention to mobile terminal development. In mobile development, the uniapp framework has become the first choice of many developers. uniapp is a cross-platform development framework based on vue.js, which can achieve the effect of coding once and publishing on multiple terminals. Whether it is iOS or Android, a consistent user experience can be achieved. However, as the project continues to develop, problems often arise when the page exceeds the mobile phone screen. So, how to solve this problem?

1. Flex layout

First of all, we can use flex layout to implement page adaptation. As shown below:

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

This code defines a container in which the elements adopt flex layout. By setting flex-wrap to wrap, automatic line wrapping of the flexible box can be achieved. At the same time, you can also control the alignment of elements by setting justify-content and align-items. This method can adapt to device screens of different sizes, but it cannot solve the problem of overly complex page layout.

2. rem layout

The second method is to use rem layout. rem refers to "em" relative to the font size of the root element, that is, the font size is set relative to the root element of the page (usually an HTML element). Compared with the px unit, the rem unit is more flexible and can adaptively scale according to the screen size. The specific implementation is as follows:

html {
  font-size: 16px;
}

@media (min-width: 320px) {
  html {
    font-size: 14px;
  }
}

@media (min-width: 360px) {
  html {
    font-size: 16px;
  }
}

@media (min-width: 480px) {
  html {
    font-size: 18px;
  }
}

In this code, we first define the font size of the root element as 16px. Next, set different font sizes via @media media queries. When the screen width is less than 320px, the font size is 14px; when the screen width is less than 360px, the font size is 16px; when the screen width is less than 480px, the font size is 18px. In this way, adaptive scaling of page elements can be achieved. However, this method also has some disadvantages, such as the inability to accurately control the size and position of elements.

3. vux component

The third method is to use the vux component library. vux is a mobile component library based on Vue.js. It provides a wealth of UI components and business components, which can help developers quickly build high-quality mobile applications. In vux, there is a component called "Scroller" that can achieve the scrolling effect of the page, thereby solving the problem of the page exceeding the mobile phone screen.

<vux-scroller>
  <div>这里是内容</div>
</vux-scroller>

In this code, we use the component to wrap the content, and set the scrollbars parameter to true, indicating that the scroll bar function needs to be enabled. In this way, page scrolling can be achieved without the problem of the page going beyond the screen.

To sum up, to solve the problem of the uniapp page exceeding the mobile phone screen, we can adopt a variety of methods to optimize it. By flexibly using different layout methods and component libraries, the page can obtain a good user experience on mobile devices of different sizes and achieve the best display effect.

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