How to implement left and right click scrolling function in Uniapp

uniapp is a cross-platform application framework based on Vue.js, which can simultaneously develop applications for multiple platforms such as iOS, Android, H5, and small programs. Among them, scrolling operation is a very common operation in Uniapp. Today we will discuss how to implement left and right click scrolling in Uniapp.

1. Background introduction

In the actual application of Uniapp, we often encounter the need to implement left and right scrolling operations on the page. For example, mobile navigation menus or horizontal image scrolling require left and right clicks to scroll. So, how to achieve this left and right click scrolling effect in Uniapp? Next we will use detailed steps to answer this question.

2. Implementation steps

1. Create a uniapp project in HBuilderX, open pages/index/index.vue, and add the following code:

2. In the style , we use flex layout and set the width to max-content, so that the content width can be adapted. At the same time, we use overflow:hidden in the container style, thereby limiting the height of the container and hiding the content beyond the container.

3. In order to achieve the left and right scrolling effect, we need to use the transition attribute and change the value of the transform attribute to achieve the scrolling effect. Here, we change the transform value of scroll-view by clicking the button to achieve the effect of clicking left and right to scroll.

4. In order to achieve the effect of clicking the button, we need to define a current value in data to represent the current position, and then dynamically change the transform value of scroll-view by changing the value of the current position in the method.

Here, we use the watch attribute to monitor changes in current, and then use the $nextTick method to ensure that the DOM element has been rendered before performing specific operations. In the method, we define two methods, slideLeft and slideRight, to achieve the effect of sliding left and right. When implementing the sliding effect, we use translateX to control the position of scroll-view.

5. Finally, we need to add left and right sliding buttons to the page so that users can click to achieve the sliding effect. We add the following code to the page:

 left right 

Here, we use @click to bind the click event of the button, and call the slideLeft and slideRight methods in the method to achieve the effect of left and right click and slide.

3. Summary

Through the above steps, we can achieve the effect of left and right click and slide in Uniapp. In practical applications, we can also optimize and expand the sliding effect according to specific needs. Here is just a simple example, I hope it will be helpful to beginners.

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