1
f = File.new(contacts_file_path, "wb")
f.write params[:uploaded_file].read
f.close
我想
begin
f = File.new(contacts_file_path, "wb")
f.write params[:uploaded_file].read
rescue
#error
ensure
if f.open? then f.close end
end
但f.open?不是一個函數,我找不到任何api文檔。有任何想法嗎?