WeChat applet realizes page transition animation effect

WeChat Mini Program is a small application based on the WeChat platform. It is rich in functions and easy to operate. It is an indispensable part of the modern mobile Internet era. During the development process of mini programs, page transition animation effects are one of the important methods to improve user experience. In this article, we will introduce how to use WeChat applet to achieve page transition animation effect, and provide specific code examples.

1. Preparation
Before we start, we need to make sure that WeChat developer tools have been installed and there is already a mini program project.

2. Implement page transition animation

1. In the page folder of the mini program, create a new folder named transition to store files related to page transition animation.
2. In the transition folder, create two new files: transition.wxml and transition.wxss. Among them, the transition.wxml file is used to write the layout structure of the page transition animation, and the transition.wxss file is used to set the style of the page transition animation.
3. In the transition.wxml file, write the layout structure of the page transition animation. For example, we can use a tag as a page container, and then place specific page content inside the tag.

Sample code:

<view class="container">
  <view class="page">页面内容</view>
</view>

4. In the transition.wxss file, write the style of the page transition animation. For example, we can set the initial style and transition style of the tag.

Sample code:

.container {
  width: 100%;
  height: 100%;
}

.page {
  background-color: #fff;
  width: 100%;
  height: 100%;
  transform: translateX(100%);
  transition: transform 0.5s;
}

.page.active {
  transform: translateX(0%);
}

5. In the transition.js file, write the logic code for the page transition animation. For example, when the page is loaded, we can change the class name of the tag by calling the setData method to achieve the page transition animation effect.

Sample code:

Page({
  onLoad: function() {
    this.setData({
      active: true
    });
  }
});

6. In the page file that needs to implement page transition animation, introduce the transition.wxml file under the transition folder. For example, we can use the tag to introduce the transition.wxml file in the index.wxml file.

Sample code:

<import src="../transition/transition.wxml" />
<view class="index">
  <!-- 其他页面内容 -->
  <template is="transition" data="{{active:true}}"></template>
</view>

7. In the page file that needs to implement page transition animation, introduce the transition.wxss file under the transition folder. For example, we can use the @import statement to introduce the transition.wxss file in the index.wxss file.

Sample code:

@import "../transition/transition.wxss";
.index {
  /* 其他样式 */
}

3. Effect demonstration
After completing the above steps, we can preview the effect of the mini program through WeChat developer tools. When we enter this page, the page content will slide in from the right to achieve the page transition animation effect.

Summary
Through the above simple steps, we can use the WeChat applet to achieve page transition animation effects. Page transition animation can improve user experience and bring users a smoother and more vivid interface interaction effect. I hope the above content will be helpful to you, and I hope you can make full use of page transition animations when developing WeChat mini programs to bring a better user experience to users.

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