Java 自動判斷配置檔案是否已經存在,如果不存在自動建立,如果存在直接讀寫
阿新 • • 發佈:2018-12-17
try {
pro.load(new BufferedInputStream(new FileInputStream("config.ini")));
} catch (FileNotFoundException e) {
pro.put("GuestDefaultFloor", "10");
try {
pro.store(new BufferedOutputStream(new FileOutputStream("config.ini")),"Save Configs File.");
} catch (FileNotFoundException f) {
f.printStackTrace();
} catch (IOException i) {
i.printStackTrace();
}
} catch (IOException i) {
i.printStackTrace();
} finally {
String defaultGuestFloor = pro.getProperty("GuestDefaultFloor");
guestFloor = Integer.parseInt (defaultGuestFloor);
}