手機號隱藏中間4位

第一種：插入時更改
INSERT INTO my_store.user (pk_uid, is_effective, account_num, email, password, gender, birthday, iphone)
VALUES ('2', 1, '98080', '[email protected]', '123', 1, '2020-01-01', insert('18288888888', 4, 4, 'XXXX'));

第二種：sql查詢時更改
select REPLACE(iphone, SUBSTR(iphone,4,4), 'XXXX') from user;

第三種：取值時更改
String phone = "18771632488";
System.out.println(phone.replaceAll("(\\d{3})\\d{4}(\\d{4})","$1****$2"));