How to add vertical scroll bar in uniapp

With the development of mobile applications, vertical scroll bars have become an integral part of our daily lives. In traditional web development, we can easily add vertical scroll bars to facilitate users to view and operate content. But, how to add vertical scroll bar for users in mobile app development? This article will introduce to you how to add vertical scroll bars in uniapp.

Uniapp is a cross-platform development framework that can quickly develop applications that support multiple platforms at the same time. uniapp is developed based on vue, so it can use various functions and plug-ins of vue. Using uniapp for mobile application development, we can add vertical scroll bars as needed. Below we will introduce several commonly used methods of adding vertical scroll bars in uniapp:

Method 1: Use the overflow-y attribute in CSS to add vertical scroll bars

In uniapp, we can Use the CSS overflow-y property and height property to add a vertical scroll bar. The following is the code to implement the vertical scroll bar:

/* index.vue */ .content { height: 200px; overflow-y: scroll; }

In the above code, we use a style with a class name of .content. In the style, we first set the .height attribute to limit the height of the content, and then used the overflow-y attribute to add a vertical scroll bar. If the content is too long, users can slide the vertical scroll bar to view the entire content.

Method 2: Use global components to add vertical scroll bars

In uniapp, we can also use global components to add vertical scroll bars. The following is the code to implement the vertical scroll bar:

In the above code, we use a global component scrollable to add a vertical scroll bar. Two layers of div tags are used in the component. The outer tag is set with height and overflow-y attributes, and the inner tag uses the slot to accept the actual content added to the component. At the same time, we also use styles to automatically adjust the height of the inner label with the content. Finally, we export the component and reference it in the page where we need to add a vertical scroll bar.

Method 3: Use better-scroll to add a vertical scroll bar

In uniapp, we can also use the better-scroll plug-in to add a vertical scroll bar. better-scroll supports various types of scroll bars and gestures and can run on various platforms. The following is the code to implement the vertical scroll bar:

In the above code, we use the better-scroll plug-in to add a vertical scroll bar. First, we set up a container with class scroll-container on the page, which includes a scroll area with class scroll-wrapper and a scroll content with class scroll-item. In the mounted life cycle function, we initialize better-scroll through the new BScroll method, and implement the vertical scroll bar through the scrollY attribute. Finally, we add the click attribute to the settings to make the content clickable.

To sum up, uniapp developers can use the above three different methods to add vertical scroll bars. The specific method to choose depends on the needs of different projects. No matter which method you use, it is very important to add vertical scroll bars to mobile applications. In actual operation, we need to choose the appropriate method based on specific scenarios and needs to achieve a better development experience and permanently enhance the user experience.

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