When Vim is set to indent folding, the code is collapsed each time you open the file, can you change it?

When Vim is set to indent folding, the code is collapsed each time the file is opened.
Even when the edit is folded, the file is closed, the files are reopened, and all the code is folded up again.

Is there a way to not fold by default?

Is it possible to expand all collapsed operations at once? (Zo, you can only move to a collapsed row, expand the row, and indent more folds under that line)

2013-09-19 09:08 The questioner is adopted by

setting on the following, is basically equivalent to the default is not collapsed.

set foldlevel=

Try the ZR.

When Vim is set to indent folding, the code is collapsed each time you open the file, can you change it?