intToBytes static method
Implementation
static List<int> intToBytes(int num) {
List<int> b = List<int>.filled(2, 0);
for (int i = 0; i < 2; i++) {
b[i] = (num & 0xFF);
num = num >> 8;
}
// 反转数组
b = b.reversed.toList();
return b;
}