vector转jbyteArray:
std::vector<byte> ins = ((CIAILogic*)addr)->getReuestMahsIns();
int size = ins.size();
jbyteArray jarray = env->NewByteArray(size);
jbyte *jnum = new jbyte[size];
std::memcpy(jnum, &ins[0], size);
env->SetByteArrayRegion(jarray, 0, size, jnum);