明文str请输入明文：位移int请输入位移值：加密0,1,2,3明文iGTADD1alowerHello,mixlyi1位移zappend加密065MINUS1ADD1ai1位移26append加密065ADD1ai1位移Hello加密结果：Mixly加密5piO5paHID0gaW5wdXQoJ+ivt+i+k+WFpeaYjuaWh++8micpCuS9jeenuyA9IGludChpbnB1dCgn6K+36L6T5YWl5L2N56e75YC877yaJykpCuWKoOWvhiA9IFtdCmZvciBpIGluIOaYjuaWhzoKICAgIGlmIG9yZChpLmxvd2VyKCkpICsg5L2N56e7ID4gb3JkKCd6Jyk6CiAgICAgICAg5Yqg5a+GLmFwcGVuZChjaHIoKChvcmQoaSkgKyDkvY3np7spIC0gMjYpKSkKICAgIGVsc2U6CiAgICAgICAg5Yqg5a+GLmFwcGVuZChjaHIoKG9yZChpKSArIOS9jeenuykpKQpwcmludCgoJ+WKoOWvhue7k+aenO+8micgKyAnJy5qb2luKOWKoOWvhikpKQo=