Android技巧

1.用%s替代字符

		String URL = "account=%s&password=%s&permission=%s";
		String account = "admin";
		String password = "admin";
		int permission = 1;
		String url = String.format(URL, account, password, permission);		
		System.out.println(url);

结果：account=admin&password=admin&permission=1