依赖
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.14</version>
</dependency>
工具类
public class MD5Utils {
public static String md5Digest(String source , Integer salt){
char[] ca = source.toCharArray();
//混淆源数据
for(int i = 0 ; i < ca.length ; i++){
ca[i] = (char) (ca[i] + salt);
}
String target = new String(ca);
String md5 = DigestUtils.md5Hex(target);
return md5;
}
}