Let's talk about how to use the uniapp id selector

With the continuous development of mobile terminal development, more and more developers are beginning to pay attention to cross-platform development frameworks. Among them, uniapp is a very excellent and powerful cross-platform development framework. It can write code at one time and generate applications for multiple platforms at the same time. In uniapp, the id selector is a very important selector. The following will explain how to use the id selector in uniapp.

1. Definition of id selector

The id selector in uniapp can select a single element on the page. With # as the symbol, the style of the specified element can be called through CSS.

2. How to use the id selector

1. In the vue file, select the element with the id "id name" using CSS:

#id名{
   /*样式*/
}

2. In the HTML file, use v-bind to bind the class with the id name as the class name:

<template>
 <view class="id名"></view>
</template>

3. Get the element object through ref in the Vue file, and then Control the style of elements in code:

<template>
  <view ref="id名"></view>
</template>

<script>
   export default {
      mounted() {
         this.$nextTick(() => {
            // 获取元素对象
            const element = this.$refs.id名.$el;
            // 控制元素的样式
            element.style.width = '100px';
            element.style.height = '100px';
         })
      }
   }
</script>

3. Summary

This article introduces how to use the id selector in uniapp. In actual development, using the id selector can help us quickly select a page element and easily control the element's style. Hope this article will be helpful to you.

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