Method init

src/main/java/smbms/dao/BaseDao.java:25–38

读取配置文件对数据库初始化，使用静态代码块在类加载前调用

()

     * 读取配置文件对数据库初始化，使用静态代码块在类加载前调用
     */
    public static void init() {
        InputStream resourceAsStream = BaseDao.class.getClassLoader().getResourceAsStream("db.properties");
        Properties properties = new Properties();

        try {
            properties.load(resourceAsStream);
        } catch (IOException e) {
            e.printStackTrace();
        }
        driver = properties.getProperty("driver");
        url = properties.getProperty("url");
        user = properties.getProperty("user");
        password = properties.getProperty("password");
    }

    /**
     * 此方法获得一个connection连接