【MD5加密】DigestUtils

spring常用工具類，引入spring即可使用

 

都是MD5加密的方法，但是返回的結果和入參不一樣

byte[] md5Digest(byte[] bytes)

byte[] md5Digest(InputStream inputStream)

 

String md5DigestAsHex(byte[] bytes)

String md5DigestAsHex(InputStream inputStream)

 

StringBuilder appendMd5DigestAsHex(byte[] bytes, StringBuilder builder)

StringBuilder appendMd5DigestAsHex(InputStream inputStream, StringBuilder builder)