Design and development method of UniApp to realize dynamic effects and animation display

UniApp is a cross-platform application framework developed based on Vue.js. It can convert Vue code into native code for different platforms, such as mini programs, Apps, H5, etc. It provides a wealth of components and plug-ins to help developers quickly build feature-rich applications.

This article will introduce how to use UniApp to realize the design and development methods of dynamic effects and animation display, and attach corresponding code examples.

1. Using CSS animation
   UniApp supports using the transition and animation properties of CSS3 to achieve animation effects. This can be achieved by defining the corresponding animation style in the component's style attribute.

Sample code:

<template>
  <view class="container">
    <view class="box" :class="{ 'animate': playing }"></view>
    <view class="button" @click="startAnimation">点击开始动画</view>
  </view>
</template>

<style>
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.box {
  width: 100px;
  height: 100px;
  background-color: red;
}

.animate {
  animation: move 2s linear infinite;
}

@keyframes move {
  0% { transform: translateX(0); }
  50% { transform: translateX(200px); }
  100% { transform: translateX(0); }
}

.button {
  margin-top: 20px;
  background-color: skyblue;
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}
</style>

<script>
export default {
  data() {
    return {
      playing: false
    }
  },
  methods: {
    startAnimation() {
      this.playing = true;
    }
  }
}
</script>

2. Using animation components
   UniApp also provides some built-in animation components, such as uni-animate and mescroll-uni. You can use these components to achieve some cool animation effects.

Sample code:

<template>
  <view class="container">
    <uni-animate :type="'slideInDown'" :duration="1000" :timing-function="'ease'" :iteration-count="1">
      <view class="box"></view>
    </uni-animate>
    <view class="button" @click="startAnimation">点击开始动画</view>
  </view>
</template>

<style>
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.box {
  width: 100px;
  height: 100px;
  background-color: red;
}

.button {
  margin-top: 20px;
  background-color: skyblue;
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}
</style>

<script>
export default {
  methods: {
    startAnimation() {
      this.$refs.animate.play(); // 调用uni-animate组件的play方法开始动画
    }
  }
}
</script>

The above is a brief introduction and code examples of the design and development method of using UniApp to achieve dynamic effects and animation display. By using CSS animation or built-in animation components, developers can easily implement a variety of dynamic effects and animation displays, adding a richer interaction and visual experience to the application. I hope you can understand and apply it to your own UniApp project through this article.

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