How to convert WeChat applet to uniapp

In today's mobile application development, WeChat applet and uniapp are very popular frameworks. WeChat applet is a lightweight application that does not require installation and can be used directly in WeChat. Uniapp is a cross-platform development framework based on Vue.js, which can publish an application to multiple platforms at the same time, such as WeChat mini-programs, H5, App and native mini-programs.

In some cases, we may need to convert the already developed WeChat applet into the uniapp framework. This article will introduce you to how to convert WeChat mini programs, and explain the reasons for the conversion and the problems you may encounter during the implementation.

1. Why do you need to convert WeChat applet to uniapp?

WeChat applet is a lightweight application that is easy to develop and publish, but it is limited to users in the WeChat ecosystem use. After developing WeChat mini programs, some companies or individuals may want to apply them to other platforms, such as H5, App and other platforms. At this time, we need to convert the WeChat applet into uniapp to achieve the effect of developing multiple terminals at once.

2. How to convert WeChat applet to uniapp?

1. Install the CLI of uniapp

The CLI of uniapp can be installed through npm. Just enter the following command on the command line:

npm install -g @vue/cli @vue/cli-service-global

In addition, you also need to install the uni-app plug-in in HBuilderX .

2. Install plug-in

In the WeChat applet development tool, we need to install the plug-in "WeChat Developer Tools-Extension".

3. Create uniapp project

In HBuilderX, create a new project through "File" → "New" → "Project" → "uni-app". Find the "Convert Applet" option in "Select Template" to create a uniapp project that supports applet conversion.

4. Export the WeChat applet

In the WeChat applet development tool, we need to export the applet to be converted as a code package. In the development tools, click "Tools" → "Export personal code snippets for developer tools" to export the code of the mini program into a ZIP format file.

5. Introduce the exported code into uniapp

Extract the exported code package into the "src" folder of the uniapp project. Then develop and modify it on this basis.

3. Problems you may encounter

1. The code is converted from WeChat applet format to uniapp format

Since WeChat applet and uniapp are not the same Completely consistent, so there will be some compatibility issues during the code conversion process. For example, the "wxs" tag that exists in the WeChat applet is not supported in uniapp. We need to manually change to the "js" tag in uniapp.

2. Page layout

The component layout in the WeChat applet is not exactly the same as that in uniapp, so during the conversion process, you may need to re-layout the components on the page Make adjustments.

3. Animation effect

In the WeChat applet, we can use the wx.createAnimation() method to define an animation effect. However, this method is not supported in uniapp, so we need to use the uni.createAnimation() method instead.

4. Summary

Converting the WeChat applet into uniapp can achieve the effect of one development and multi-end release. However, you may encounter some problems during the conversion process and need to manually modify the code and layout. We need to understand the various grammatical rules and restrictions of uniapp and make full use of the functions and features provided by uniapp to achieve an efficient, stable, and easy-to-maintain cross-platform application.

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