Steps
1. Create a repository locally: create a new folder locally, right-click —> TortoiseSVN —> Create repository here;
2. Download the existing warehouse: create a new folder locally, right-click -> Checkout -> enter the username and password, and the downloaded file path;
3. Update the local warehouse: select the warehouse, right-click -> SVN Update;
4. Upload local files: select the warehouse, right-click -> SVN Commit;
5. Add a file: select the file, right click—> TortoiseSVN—> add; after the plus sign appears, select the file, right click—> SVN Commit;
6. Delete file: select the file, right-click -> TortoiseSVN -> delete; select the file, right-click -> SVN Commit;
After developing for so long, these concepts are not very clear. I can't write much code when I move one from the Internet. Most of the time I'm just a porter of code.