杨校老师课堂之用户登录时如何进行密码加密存储到数据库

   <dependency>
      <groupId>commons-codec</groupId>
      <artifactId>commons-codec</artifactId>
      <version>1.11</version>
    </dependency>

public class TestDigest {

    @Test
    public void testDigest(){
    
        // 1, 调用工具类的  md5Hex()
        String admin = DigestUtils.md5Hex("admin");
        
        System.out.println("admin:" + admin);
        
        System.out.println("admin的长度是:" + admin.length());
    }
}