鍦↗ava涓紝鍙互浣跨敤Properties绫绘潵璇诲彇鍜屽啓鍏ラ厤缃枃浠讹紝閰嶇疆鏂囦欢閫氬父鏄互.properties鏂囦欢鏍煎紡淇濆瓨鐨勩€?/p>

1. 璇诲彇閰嶇疆鏂囦欢锛?/li>

棣栧厛锛屽垱寤轰竴涓狿roperties瀵硅薄锛屽苟浣跨敤鍏秎oad()鏂规硶鍔犺浇閰嶇疆鏂囦欢銆俵oad()鏂规硶鎺ュ彈涓€涓狪nputStream瀵硅薄浣滀负鍙傛暟锛屽彲浠ヤ娇鐢‵ileInputStream鎴栬€匔lassLoader鏉ヨ幏鍙栭厤缃枃浠剁殑杈撳叆娴併€備緥濡傦細

Properties prop = new Properties();
try (InputStream input = new FileInputStream("config.properties")) {
prop.load(input);
} catch (IOException ex) {
ex.printStackTrace();
}

鍦ㄥ姞杞藉畬鎴愬悗锛屽彲浠ヤ娇鐢╣etProperty()鏂规硶鏉ヨ幏鍙栭厤缃枃浠朵腑鐨勫睘鎬у€笺€備緥濡傦細

String url = prop.getProperty("url");
String username = prop.getProperty("username");
String password = prop.getProperty("password");

2. 鍐欏叆閰嶇疆鏂囦欢锛?/li>

棣栧厛锛屽垱寤轰竴涓狿roperties瀵硅薄锛屽苟浣跨敤鍏秙etProperty()鏂规硶鏉ヨ缃睘鎬у€笺€備緥濡傦細

Properties prop = new Properties();
prop.setProperty("url", "jdbc:mysql://localhost:3306/mydb");
prop.setProperty("username", "root");
prop.setProperty("password", "password");

鐒跺悗锛屽垱寤轰竴涓狾utputStream瀵硅薄锛屽苟浣跨敤Properties鐨剆tore()鏂规硶灏嗗睘鎬у€煎啓鍏ラ厤缃枃浠躲€俿tore()鏂规硶鎺ュ彈涓€涓狾utputStream瀵硅薄鍜屼竴涓敞閲婁綔涓哄弬鏁般€備緥濡傦細

try (OutputStream output = new FileOutputStream("config.properties")) {
prop.store(output, "This is a sample config file");
} catch (IOException ex) {
ex.printStackTrace();
}

娉ㄦ剰锛氬湪鍐欏叆閰嶇疆鏂囦欢鏃讹紝濡傛灉鎸囧畾鐨勯厤缃枃浠朵笉瀛樺湪锛宻tore()鏂规硶浼氳嚜鍔ㄥ垱寤轰竴涓柊鐨勯厤缃枃浠躲€傚鏋滈厤缃枃浠跺凡瀛樺湪锛宻tore()鏂规硶浼氬皢鍘熸湁鐨勯厤缃」鏇挎崲涓烘柊鐨勯厤缃」銆?/p>