java 读取properties配置文件代码如下

java 读取properties配置文件代码如下:

String path = System.getProperty("user.dir") + "\\properties\\config.properties";Properties pro = new Properties();FileInputStream in = new FileInputStream(path);pro.load(in);System.out.println(pro.getProperty("driverPath"));System.out.println(pro.getProperty("username"));System.out.println(pro.getProperty("password"));System.out.println(pro.getProperty("driver"));System.out.println(pro.getProperty("url"));System.out.println(pro.getProperty("user"));System.out.println(pro.getProperty("mysql_password"));in.close();/// 保存属性到b.properties文件FileOutputStream oFile = new FileOutputStream(path, false);// false表示覆盖原内容pro.setProperty("url", "ssssssssssss");pro.store(oFile, "The New properties file");oFile.close();