How to use iconfont in uniapp

With the popularity of mobile devices, more and more applications are beginning to use iconfont to display icons. Compared with using pictures, using font icons can greatly improve the performance and scalability of applications. For uniapp developers based on the Vue framework, how to quickly use font icon libraries such as iconfont or Font Awesome is a topic worth discussing.

1. Why use iconfont or Font Awesome?

In traditional page development, using icons usually requires obtaining the corresponding image file from the designer, and then adding the corresponding img tag to the page to display the image. Using iconfont allows us to only download a font library file, and then directly use the corresponding CSS class on the page to display the required icons, which greatly improves the maintainability and code performance of the code.

In addition, using iconfont also has the following advantages:

1. Supports the display of multiple colors and sizes, and can easily implement customized icon styles.
2. You can easily change the style of font icons, such as rotation, scaling, flipping, etc.
3. Font icons are easier to manage and modify than pictures. For example, you can use CSS to modify the size, color, etc. of font icons.
4. The display effect is better on a high-resolution computer or mobile phone.

For uniapp developers, using iconfont or Font Awesome can also easily achieve multi-terminal adaptation. uniampp can quickly convert web code into code on multiple platforms such as mini programs, H5 and APP.

2. How to use iconfont or Font Awesome?

The following takes iconfont as an example to introduce the steps and methods of using iconfont in uniapp.

1. Find the required iconfont library

First we need to find the required icon library on the iconfont official website and download it. During the download process, you need to pay attention to selecting the Font class type. After the download is completed, a demo.html file containing the required font icon and related font files and style files will be generated.

2. Configuring local font icons

After downloading the iconfont file package, we need to copy the font files and style files to the uniapp project. Create an assets directory under the src directory, and create a new iconfont folder under the assets directory.

Copy the downloaded font files (such as iconfont.eot, iconfont.svg, iconfont.ttf, iconfont.woff) to the iconfont folder. Then change the font file address in the CSS file downloaded from the official website to a local address, save it as iconfont.css file, and also copy it to the iconfont folder.

3. Using iconfont in the page

Using iconfont in the page is very simple, just use the 28f128881ce1cdc57a572953e91f7d0f tag where needed and add the corresponding CSS class . For example, if we use a sharing icon in the project, we can implement it like this:

<template>
  <view>
    <text class="iconfont icon-fenxiang"></text>
  </view>
</template>

Among them, icon-fenxiang is the class name of the sharing icon we downloaded from the iconfont official website.

4. Modify the font icon style

In actual development, we may need to make some style adjustments to the font icon, such as modifying the icon size, color, or rotation. At this time, you only need to add the corresponding CSS style. For example, we want to turn the icon red and adjust the size to 40px, which can be achieved like this:

.iconfont.icon-fenxiang {
  font-size: 40px;
  color: #f00;
}

5. Use Font Awesome

In addition to iconfont, another A very popular font icon library is Font Awesome. Similarly, using Font Awesome is also very simple. You only need to introduce the CSS file of Font Awesome into the page, and then use its corresponding class name. For example, I want to use a search icon in the project, which can be achieved like this:

<template>
  <view>
    <i class="fa fa-search"></i>
  </view>
</template>

Where, fa fa-search is the class name of the search icon in Font Awesome.

Summary

Using font icon libraries such as iconfont or Font Awesome can help us achieve more efficient and flexible page development. It is also very convenient to use iconfont in uniapp. You only need to copy the corresponding file to the project and then use the corresponding class name. Of course, this is just one way. For different scenarios and needs, we need to choose and use it according to the actual situation.

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