BCrypt 编码
String pass = "123456";
BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
String passEncoded = encoder.encode(pass);
String passEncoded1 = encoder.encode(pass);
String passEncoded2 = encoder.encode(pass);
System.out.println(passEncoded);
System.out.println(passEncoded2);
System.out.println(passEncoded1);