uniapp modify source code

In recent years, with the rapid development of the mobile Internet, developing mobile applications has become the pursuit of more and more developers. What followed was the emergence of various common front-end frameworks. Uniapp is a cross-platform framework based on Vue.js. It can quickly develop applications for iOS, Android and H5 platforms using the same code. This is because Uniapp integrates the running environments of WeChat mini programs, Alipay mini programs and Baidu smart mini programs, transforming the running environments of different mini programs from native to web environments.

However, Uniapp’s default style and functionality may not be suitable for all application development needs. Therefore, for some applications that require customized styles and functions, the source code of Uniapp may need to be modified. In this article, we will introduce how to modify the source code of Uniapp.

1. Preparation

Before you start modifying the source code of Uniapp, you need to understand some basic knowledge. The first is the basic knowledge of Vue.js. You can refer to the official documentation of Vue.js to learn. Secondly, you also need to have sufficient mastery of commonly used CSS styles and JavaScript syntax. Finally, you need to install Node.js and Git tools. Node.js is a JavaScript running environment based on the Chrome V8 engine, which can run JavaScript outside the browser, and Git is a version control tool that can help us record the modification history of the source code.

2. Modify the source code

1. Pull the Uniapp source code

First, enter the root directory of the project in the command line interface (or create a new folder As the root directory of the project), use the Git tool to pull the source code of Uniapp. The command is as follows:

git clone https://github.com/dcloudio/uni-app.git

2. Modify style

In Uniapp, each page consists of a vue file and a corresponding style file (usually .less or .scss file). If you need to modify the style, you can directly modify the corresponding style file, and then introduce the style file into the vue file.

3. Modify components

If you need to modify a component, you first need to find the corresponding component file. In Uniapp, each component is a separate file, usually stored in the src/components directory. After finding the file that needs to be modified, just modify it directly.

4. Modify the plug-in

If you need to modify the plug-in, you need to first understand how to use the plug-in. In Uniapp, plugins are installed and used as npm packages. Therefore, if you need to modify the plug-in, you need to first find the corresponding plug-in dependency in the package.json file, and then use the npm command to install the corresponding dependency package. After the installation is complete, you can directly modify the source code of the corresponding plug-in in the node_modules directory.

5. Modify the Uniapp source code

If none of the above methods can meet the modification needs, you can directly modify the Uniapp source code. The method of modification is basically the same as that of any Node.js project. First, enter the root directory of Uniapp in the command line interface, and then use the npm command to install the project dependencies:

npm install

After the installation is complete, you can modify the code directly. If you need to view the modification results, you can use the npm command to start the development server:

npm run dev

After starting, you can visit http://localhost:8080 in the browser for preview.

3. Submit modifications

After completing the modifications, you need to submit the modified results to the code warehouse. First, use the Git tool in the root directory of Uniapp to add the modified code to the local warehouse:

git add .

Then use the commit command to submit the modification:

git commit -m "修改说明"

Finally, use the push command to push the code Push to the remote warehouse to complete the submission:

git push origin master

4. Summary

Through the above steps, we can easily modify the source code of Uniapp. It should be noted that modifying the source code may affect the stability and maintainability of the code. Therefore, you need to carefully evaluate the impact of the modification before modifying it, and make a backup work so that the pre-modified code can be restored in time if a problem occurs. At the same time, since Uniapp is a cross-platform framework based on Vue.js, you need to follow the specifications and design ideas of Vue.js when modifying the source code to ensure the compatibility of the modified code with the original framework.

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