1. Open the chat record of the class group and find the related news containing the health code.
2. Select the health code, you can press and hold the left mouse button or the right mouse button, and adjust the selection range as needed.
3. The selected health code will be displayed in blue. At this point, you can click or drag with the right mouse button to copy it to the clipboard.
4. Open a document, such as Word, Excel or browser, and paste the health code you just copied into it.
5. If you need to package it into a compressed file, you can right-click the copied health code and select "New Folder" to name the folder related to the health code.
6. Paste the health codes into the folder and make sure that all the health codes are in the same folder.
7. Right-click the folder, select Add to Compressed File and name the compressed file.
8. Send the compressed file to the teacher, which can be sent through QQ, WeChat or other communication tools.
I hope the above information can help you solve the problem. Please feel free to let me know if you have any other questions.