jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore keystore文件位置 -signedjar ~/afterSign.apk ~/unsign.apk keystore中的别名(keyAlias)
参考：https://blog.csdn.net/a535182324/article/details/51602619
https://www.jianshu.com/p/dbcfff997ccb