What should we pay attention to when developing WeChat?

The rise of WeChat mini programs has brought hope to many companies that cannot afford traditional APP development costs. Some companies shift their development focus on the basis of having technical teams and App development experience, while some companies use this WeChat mini program development tool that does not require direct generation of code for rapid development. So what should you pay attention to when developing WeChat mini programs?

1. The name of the mini program can be in Chinese, numbers, or English. The length is between 3-20 characters, and one Chinese character is equal to 2 characters.

2. The name of the mini program must not be the same as the existing subscription account or service account on the public platform. If prompted with a duplicate name, please change the name and set it.

3. The name of the mini program is completed when setting the account information. Please set it carefully. Once set, it cannot be modified.

4. Change the name and set it. If a company's trademark, organization name or other names are infringed, you can file a complaint through the infringement complaint process on the public platform and retrieve the right to use the name.

5. Individual developers cannot apply for WeChat mini programs; currently WeChat only supports applications from enterprises, governments, media, and other organizations.

6. A subject can register 30, and a developer bound to an identity can only create 5 WeChat mini-programs.

For employees, please do not lend your boss your WeChat ID to register for the WeChat mini program, because you will have no chance.

For bosses, please do not lend your employees WeChat to register for WeChat mini programs, because you may not want to come back.

7. If you are not a special organization, you still have to spend 300 yuan for certification.

Even if your public account has been verified, you still need to pay 300** yuan** (supports WeChat payment) for verification, so that you can turn on the audit switch and publish the mini program.

WeChat payment requires WeChat authentication before it can be used.

8. There are only 3 opportunities to modify the server configuration per month, so save it and be careful not to miss the chance.

Don't mess around with the configuration below. Make sure you confirm it before making any changes, and write it completely at once, otherwise you will waste your opportunity by changing a small punctuation point.

9. Your domain name, registration, and https must be ready, otherwise you won’t be able to do it. (The server domain name needs to be registered by ICP, and the new registered domain name can be configured within 24 hours. The domain name format only supports Yawen uppercase and lowercase letters, numbers and "-", and does not support IP addresses and port numbers)

10, small The program avatar and introduction can only be modified 5 times per month, and the service scope can only be modified once per month. The mini program QR code can only be obtained after the first version is launched.

11. When selecting a template message, you can use the template of the title with different keywords. The type and order of the keywords cannot be modified after the configuration is submitted.

12. When you cannot find the template keywords, you can apply to add them. New keywords can be submitted 5 times per month and will be shared after passing. (A good opportunity to pile up your own keywords!!)

13. A mini program account has only one administrator (can be modified) and can bind 10 developers.

14. Important note:

Development version: Use developer tools to upload code to the development version. The development version only retains each person's latest uploaded code. Click Submit for review to submit the code for review. The development version can be deleted without affecting the code of the online version and the version under review.

Version under review: Only one code is under review. Once the review results are available, they can be published online, or they can be resubmitted directly for review, overwriting the original review version.

Online version: The code version used by all online users. This version of the code will be overwritten and updated after the new version of the code is released.

15. Only administrators can view mini program AppSecrets, and the platform will not save AppSecrets in plain text.

16. The data analysis only counts the usage values ​​of the published online version, and also provides real-time statistical data.

17. The developer tools currently provide windows 64, windows 32, and mac versions (the versions are currently being continuously updated and may need to be updated frequently).

18. During the internal testing period, the code upload function is only operable by the administrator’s WeChat account.

19. After writing the code, the tool will automatically help the user save the current code editing status. Close the tool directly or switch to another project, and the edited file status will not be lost. However, it should be noted that, Only when the file is saved will the modified content be actually written to the hard disk and trigger a real-time preview.

20. Obtain user input: You need to use the bindchange attribute of the component to synchronize the user's input content to AppService.

21. Objects such as window cannot be used in scripts:

JsCore is an environment without window objects, so window cannot be used in scripts, and components cannot be operated in scripts.

22. zepto/jquery will use the window object and document object, so it cannot be used.

23. An application can only open 5 pages at the same time. After 5 pages have been opened, wx.navigateTo cannot open a new page normally. Please avoid multi-level interactions, or use wx.redirectTo.

24. Style sheets do not support cascading selectors:

WXSS supports class selectors starting with .; you can use label selectors to control the styles of components of the same type.

25. Local resources cannot be obtained through css:

background-image: You can use network images, or base64, or use tags.

26. Modify the background color of the window:

Use the page tag selector to modify the style of the top-level node.

27. Definition of frontend and backend:

When the user clicks on the upper left corner to close, or presses the home button of the device to leave WeChat, the mini program is not destroyed directly, but enters the background;

When you enter WeChat again or open the mini program again, it will enter the foreground from the background. Only when the mini program enters the background for a certain period of time, or the system resource usage is too high, will it be truly destroyed.

28. App() must be registered in app.js, and multiple registrations cannot be made.

Don’t call getApp() in a function defined in App(). Use this to get the app instance.

Do not call getCurrentPage() during onLaunch, when the page has not yet been generated.

After obtaining the instance through getApp(), do not call the life cycle function privately.

29. tabBar is an array, and only a minimum of 2 and a maximum of 5 tabs can be configured. The tabs are sorted in the order of the array. (Bottom navigation bar)

30. You can set the timeout for various network requests.

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