qq_45791799的博客

现实生活中，我们会看到电话号码等敏感信息隐藏显示的情况，eg.137****7924，那怎么才能保证敏感字段的安全性呢？步骤 ：step1:通过sql语句保证敏感信息的安全性step2:建立视图step3:java调用视图sql语句如下：create view customer_info1 asselect replace(initiative_phone,SUBSTR(initiative_phone,4,4),'****'),customer_id,call_time,sum_time,c

一、实体类package jdbc_0825.com.enity;public class T_Students {private int s_id;private String s_name;private int s_age;public T_Students(){}public T_Students(int s_id, String s_name, int s_age) { this.s_id = s_id; this.s_name = s_name;