Md5 util

Md5PasswordEncoder.java

http://docs.spring.io/spring-security/site/docs/3.0.x/apidocs/org/springframework/security/authentication/encoding/PasswordEncoder.html

需要引入

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>4.1.1.RELEASE</version>
        </dependency>

用法举例：

    @Test
    public void tt(){
        Md5PasswordEncoder md5 = new Md5PasswordEncoder();
        System.out.println(md5.encodePassword("123456", null));
    }