A brief analysis of how uniapp makes a view scroll-uni-app-php.cn

UniApp is a cross-platform development framework that can easily develop mobile applications. The scroll-view component can realize scrolling in a view. Let's introduce how to make a view scroll.

1. View the documentation

Before using the scroll-view component to implement view scrolling, we need to carefully read the introduction to scroll-view in the UniApp official documentation. In the documentation, we can learn about the role and implementation of the scroll-view component.

2. Use the scroll-view component

In the Vue single file component, you need to add the scroll-view component in the tag and define an id attribute: Copy after login Add content that needs to be scrolled in the tag, such as some text, pictures, etc. Use the uni.createSelectorQuery().select() method in the tag to obtain the scroll-view component, and then use the scroll-top attribute to set the scroll bar position to achieve scrolling. export default { onReady() { // 生命周期事件，页面装载完成后执行 uni.createSelectorQuery().select('#scrollview').fields({ size: true, }, data => { const height = data.height; // 获取scroll-view组件高度 uni.pageScrollTo({ // 设置滚动条位置 scrollTop: height, duration: 300, }); }).exec(); }, }; Copy after login The above code is a simple example of scrolling a view. Through the above method, the scrolling effect of view can be easily achieved in UniApp.

3. Attribute description of scroll-view component

scroll-x: Set horizontal scrolling, the value is true or false. scroll-y: Set vertical scrolling, the value is true or false. upper-threshold: The uppertriggered event is triggered when scrolling to the top distance. The default is 50, and the unit is px. lower-threshold: The lowertriggered event is triggered when scrolling to the bottom. The default is 50, and the unit is px. scroll-with-animation: Whether to use animated scrolling, the default is false. scroll-left: Set the horizontal scroll bar position. scroll-top: Set the vertical scroll bar position. 4. Summary

It is not difficult to use the scroll-view component to implement view scrolling in UniApp. By learning and using it, we can easily add scrolling effects to our applications and provide a better user experience. Of course, during use, various attributes and events need to be flexibly used according to the actual situation.

A brief analysis of how uniapp makes a view scroll

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