1. alt+? or alt+/: auto-complete code or prompt code
2. ctrl+o: quick outline view
3. ctrl+shift+r: open the resource list
4. ctrl+shift+f: format code
5. ctrl+e: quick conversion editor
6. ctrl+page down or ctrl+page up: Quickly switch between tabs
7. Shift+enter and ctrl+shift+enter: Create a blank above or below the current line.
8. Alt+arrow keys up and down: exchange content up and down or move the content of the current line up or down
9. Control+Alt+ up and down arrow keys: copy the highlighted line or lines
10. ctrl+m: Maximize the current editing page window
11. ctrl+/: Automatically comment the current line or selected multiple lines
12. ctrl+shift+/: automatically comment out the selected code block
13. ctrl+d: delete the current line
14. ctrl+shift+x and ctrl+shift+y: English letter case conversion
15. ctrl+shift+o: automatically import packages and delete useless packages