How to solve the problem of mobile pull-down refresh failure in Vue development

Vue.js is a popular JavaScript framework widely used for front-end development. In mobile development, pull-down refresh is a common requirement and can provide a better user experience. However, in Vue development, sometimes we encounter the problem of invalid pull-down refresh on the mobile terminal. This article will introduce some ways to solve this problem.

1. Use third-party component libraries

The first solution is to use Vue’s third-party component libraries, such as Mint UI, Vant UI, etc. These component libraries have been optimized for mobile features, including pull-down refresh functionality. We can directly use the pull-down refresh components provided by these component libraries to avoid manually implementing the pull-down refresh function. These component libraries also usually provide some optional configuration items to meet different needs.

2. Use the better-scroll plug-in

The second solution is to use the better-scroll plug-in. better-scroll is a high-performance scrolling plug-in that supports pull-down refresh function on mobile terminals. We can introduce the better-scroll plug-in into the Vue project and use the pull-down refresh API it provides to implement the pull-down refresh function. The better-scroll plug-in also supports various custom configurations, such as pull-down refresh threshold, pull-down refresh style, etc.

3. Manually implement the pull-down refresh function

If you don’t want to use a third-party component library or plug-in, we can also manually implement the pull-down refresh function. The specific steps are as follows:

1. Listen to the touchstart, touchmove, and touchend events and record the distance the user's finger slides.
2. Determine whether to trigger a pull-down refresh threshold based on the distance the user's finger slides. If it exceeds the threshold, it means the user wants to refresh the page.
3. In the touchend event, if the user sliding distance exceeds the threshold, the refresh operation is triggered. You can get the latest data and update the page by calling the interface.
4. After the refresh operation is completed, code needs to be used to scroll the page to the initial position so that the user can continue to slide. You can use Vue's ref attribute to get the scroll component of the page, and then call the component's scrollTo method.

It should be noted that manually implementing the pull-down refresh function requires handling some details, such as touch event processing, animation effect control, etc. However, compared with using third-party component libraries or plug-ins, manually implementing the pull-down refresh function can meet actual needs more flexibly.

To sum up, there are many ways to solve the problem of mobile pull-down refresh failure in Vue development. We can use third-party component libraries, better-scroll plug-ins or manually implement the pull-down refresh function to solve this problem. Which method to choose depends on project needs and personal preference. No matter which method you choose, careful consideration needs to be given to the quality and performance of your code to provide a good user experience.

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