What should I do if the uniapp version update page does not refresh?

With the emergence of a large number of various mobile applications, the work of developers has become more and more cumbersome. In order to respond to market demand, developers must constantly learn new technologies and update their skills. A mobile development technology, uniapp (full name "Universal application", meaning "multi-terminal application development framework"), is designed to help developers simplify the development process and quickly create cross-platform mobile applications. However, when using uniapp to develop applications, we sometimes encounter some problems, such as "the uniapp version update page does not refresh". So, how should we solve this problem?

1. Problem description and actual performance

In the process of using uniapp to develop applications, sometimes it is necessary to update the version. When we release a new version, we find that the version number has indeed changed after starting the application. , however, after entering the application, we found that some pages that needed to be loaded remotely were not updated. This is the "uniapp version update page does not refresh" problem we encountered. The specific performance is:

1. On the application interface, it is found that the version number of the application has been updated, but some pages after opening the application have not been updated.
2. I tried uninstalling the app and reinstalling it, but found that some pages were still not updated.
3. There is an update problem in the uview component library. When we started the application, we found that the developed uview component library was not updated.

2. Analysis of the cause of the problem

After repeated debugging, we found the cause of the problem. Since uniapp runs by packaging the project into a webview, problems may occur when updating the webview page. This is mainly because the webview and uniapp components depend on each other. When the components and webview do not match well, the page will not be updated.

3. Solution

After analysis, we can come up with two solutions:

1. Manually clear the cache

Manually clear the cache of uniapp It is a simple and effective method. The specific steps are:

(1) Enter the cache directory of the application and find the HBuilderuniapp (HBuilderXuniapp) folder.

(2) Delete the version number, manifest.json, and all js and css in the component library path.

(3) Re-open the application, uniapp will re-download the updated files and update automatically.

2. Use the uni-app-router-patch plug-in

The uni-app-router-patch plug-in is a plug-in that can achieve the non-refresh switching effect of the uni-app page. Use this plug-in to better solve version update problems. This plug-in is an open source plug-in on Github by the uniapp developer community. After installing the plug-in, use Vue Router to write cross-platform routing, which can solve the problem that the version update page in uniapp cannot be refreshed.

In short, uniapp is a very powerful cross-platform mobile development framework, but you will also encounter various problems during use, such as the version update page not refreshing, etc. Through the above solutions, we can better solve such problems, improve development efficiency, and successfully complete project development.

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