HTML language
CSS
JavaScript
server language
database language
To develop WeChat applets, the technologies required are as follows:
Pre-basic technologies: including basic technologies such as HTML, CSS, and JavaScript, as well as related front-end frameworks and libraries.
Mini-program framework: WeChat mini-programs use their own frameworks, that is, mini-program frameworks (WXML, WXSS, and JS), and you need to be proficient in the grammatical rules and usage methods of these frameworks.
API interface: WeChat applets provide a series of API interfaces, such as network requests, file operations, audio and video playback, etc. You need to be familiar with how to use these API interfaces.
Development tools: You must master the basic methods of using WeChat developer tools.
Debugging technology: Small program development needs to be debugged, and you need to master debugging technologies, such as breakpoint debugging, log printing, etc.
Cloud technology: WeChat applets support the use of cloud development for data storage and management, and knowledge about cloud development is required.
Other knowledge such as the release, review, and security of small programs also need to be understood.
The actual development details are as follows:
Routing control: The applet uses a path-based routing mechanism, and it is necessary to master the configuration and use of routing. You can jump between pages through APIs such as wx.navigateTo and wx.redirectTo provided by WeChat.
Network request: Mini Programs support network requests, you can use the wx.request API provided by WeChat to initiate HTTP requests, and process the response data in the callback function.
Page layout: Page layout and style design are somewhat different from traditional web development, for example, view components need to be used to wrap other components, and wxss files are used to write styles, etc.
Component development: Applets have a rich component library and also support custom component development. Need to master the life cycle of components, event binding and other related knowledge.
Data rendering: The applet uses Vue's data binding mechanism to achieve page data rendering. It is necessary to understand the relevant syntax and usage of data binding.
Local storage: supports the use of local storage to save some key data, such as user login status, etc. APIs such as wx.setStorageSync and wx.getStorageSync can be used to implement local storage operations.
WeChat payment: If the Mini Program needs to integrate the WeChat payment function, it is necessary to master the relevant payment API interface and payment process. This is more difficult and requires review.