转载：https://blog.csdn.net/ilyzj/article/details/7998734
//long转为两个int
public List<Integer> changLong(long num) {
int intNum1 = (int) num;
int intNum2 = (int) (num >> 32);
List<Integer> list = new ArrayList<Integer>();
list.add(intNum1);
list.add(intNum2);
return list;
}
//两个int合并成long
public long getLongFromInt(int num1, int num2) {
// long l1 = (long)(((long)num2&0xffffffff)<<32);
// long l2 = (long)num1&0x00000000ffffffffL;
// 简写
long l1 = (num2 & 0x00000000ffffffffL) << 32;
long l2 = num1 & 0x00000000ffffffffL;
long num = l1 | l2;
return num;
}