How to solve the problem when uniapp jumps to a new page and returns to a white screen

In the process of using uniapp for development, we often encounter many technical problems. Among them, one of the more common problems is to jump to a new page and return to a white screen. In this article, we will explore this problem and provide solutions.

1. Problem manifestation

In the process of using uniapp for development, when we jump from one page to another, if we return to the original page, we find that the page has become It is blank and no content is displayed. This is the problem of jumping to a new page and returning to a white screen.

2. Cause of the problem

Normally, the reasons why jumping to a new page and returning to a white screen may be as follows:

1. Routing configuration problem

Routing control is a very important link in uniapp development. If there is a problem when we perform route jump, it may lead to the problem of returning to a white screen.

2. Data rendering problem

In many cases, if there is a problem with our data rendering, it means that the page may appear blank, which will also lead to jumping to a new page and returning. A common cause of white screen.

3. Component calling problem

In uniapp, if there is a problem with the component we call, it may also cause the problem of jumping to a new page and returning to a white screen.

4. Page cache problem

During the process of jumping to a new page, if there is a problem with the page cache, it may also lead to the problem of returning to a white screen. Because during the return process, the caching mechanism of the page will also have an impact on the returned results.

3. Solution

In order to solve the problem of jumping to a new page and returning to a white screen, we can provide corresponding solutions for specific reasons. Here are some suggestions we have summarized for solutions:

1. Check the routing configuration

If the problem of returning a white screen when jumping to a new page occurs during the routing jump process, we need to check the routing Is the configuration correct? In particular, check whether the routing jump path and parameters are correct, or whether the jumped page exists, etc.

2. Check data rendering

During the data rendering process, if the data is abnormal or the rendering error occurs, it may also cause the page to appear blank. Therefore, we need to carefully check the data rendering process to ensure the integrity and correctness of the data.

3. Check the component call

If we call the component, we also need to carefully check whether the component is running normally. In particular, check whether the component's life cycle is correct, or whether the component's parameters are passed correctly.

4. Try to disable the page cache

If we find that the problem of jumping to a new page and returning to a white screen is obviously related to the page cache, we can try to disable the page cache function. The specific method is to add the following code to the routing configuration of uniapp:

{
    path: '/test',
    name: 'test',
    meta: {
        keepAlive: false // 不需要页面缓存
    }
}

5. Summary

Jumping to a new page and returning to a white screen is a common problem in uniapp development. It may appear in routing configuration, data rendering, component calling, page caching, etc. Therefore, in the process of solving this problem, we need to comprehensively examine all aspects and provide corresponding solutions based on the specific reasons. Hope this article helps you!

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