借助Apache组织的工具类完成md5初级加密
<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());
}
}