//Java中把"替换为/" message="/"book/""; System.out.println(message); 需要五个 message=message.replaceAll("/"","/////""); System.out.println(message); 相关文章: 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-02-22 2021-09-18 2021-12-27