1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
| package com.shlb.comb.util;
|
| public class CRCutil {
| /**
| * 计算CRC16校验码
| *
| * @param bytes
| * @return
| */
| public static String getCRC(byte[] bytes) {
| int CRC = 0xFFFF;
| int POLYNOMIAL = 0xA001;
|
| int i, j,m,n;
| for (i = 0; i < bytes.length; i++) {
| CRC ^= ((int) bytes[i] & 0x000000ff);
| for (j = 0; j < 8; j++) {
| if ((CRC & 0x00000001) != 0) {
| CRC >>= 1;
| CRC ^= POLYNOMIAL;
| } else {
| CRC >>= 1;
| }
| }
| }
| m = CRC /256;
| n = CRC%256;
| CRC = n * 256 +m;
| return Integer.toHexString(CRC);
|
| }
|
|
| }
|
|
