parent
feb32cd982
commit
5871852994
File diff suppressed because one or more lines are too long
@ -0,0 +1,39 @@ |
||||
package com.hai.config; |
||||
|
||||
import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken; |
||||
import org.eclipse.paho.client.mqttv3.MqttCallback; |
||||
import org.eclipse.paho.client.mqttv3.MqttMessage; |
||||
import org.springframework.context.annotation.Configuration; |
||||
|
||||
@Configuration |
||||
public class MqttProviderCallBack implements MqttCallback { |
||||
|
||||
/** |
||||
* 与服务器断开 |
||||
* @param throwable |
||||
*/ |
||||
@Override |
||||
public void connectionLost(Throwable throwable) { |
||||
|
||||
} |
||||
|
||||
/** |
||||
* 消息到达回调 |
||||
* @param s |
||||
* @param mqttMessage |
||||
* @throws Exception |
||||
*/ |
||||
@Override |
||||
public void messageArrived(String s, MqttMessage mqttMessage) throws Exception { |
||||
System.out.println("消息到达"); |
||||
} |
||||
|
||||
/** |
||||
* 消息发布成功回调 |
||||
* @param iMqttDeliveryToken |
||||
*/ |
||||
@Override |
||||
public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) { |
||||
System.out.println("消息发布"); |
||||
} |
||||
} |
||||
@ -0,0 +1,208 @@ |
||||
package com.hai.config; |
||||
|
||||
import io.netty.handler.codec.mqtt.MqttConnAckVariableHeader; |
||||
import io.netty.handler.codec.mqtt.MqttConnectVariableHeader; |
||||
import io.netty.handler.codec.mqtt.MqttMessageIdVariableHeader; |
||||
import io.netty.handler.codec.mqtt.MqttPublishVariableHeader; |
||||
import lombok.extern.slf4j.Slf4j; |
||||
import javax.annotation.PostConstruct; |
||||
import org.eclipse.paho.client.mqttv3.*; |
||||
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence; |
||||
import org.springframework.beans.factory.annotation.Value; |
||||
import org.springframework.context.annotation.Configuration; |
||||
|
||||
@Configuration |
||||
@Slf4j |
||||
public class MqttProviderConfig { |
||||
@Value("${spring.mqtt.username}") |
||||
private String username; |
||||
|
||||
@Value("${spring.mqtt.password}") |
||||
private String password; |
||||
|
||||
@Value("${spring.mqtt.url}") |
||||
private String hostUrl; |
||||
|
||||
/* @Value("${spring.mqtt.client.id}") |
||||
private String clientId; |
||||
|
||||
@Value("${spring.mqtt.default.topic}") |
||||
private String defaultTopic;*/ |
||||
|
||||
/** |
||||
* 客户端对象 |
||||
*/ |
||||
private MqttClient client; |
||||
|
||||
/** |
||||
* 在bean初始化后连接到服务器 |
||||
*/ |
||||
// @PostConstruct
|
||||
public void init() { |
||||
connect("provider-" + System.currentTimeMillis()); |
||||
} |
||||
/* |
||||
@PostConstruct |
||||
public void init(String clientId) { |
||||
connect(clientId); |
||||
}*/ |
||||
|
||||
/** |
||||
* 客户端连接服务端 |
||||
*/ |
||||
public void connect(String clientId){ |
||||
try{ |
||||
//创建MQTT客户端对象
|
||||
client = new MqttClient(hostUrl,clientId,new MemoryPersistence()); |
||||
//连接设置
|
||||
MqttConnectOptions options = new MqttConnectOptions(); |
||||
//是否清空session，设置false表示服务器会保留客户端的连接记录（订阅主题，qos）,客户端重连之后能获取到服务器在客户端断开连接期间推送的消息
|
||||
//设置为true表示每次连接服务器都是以新的身份
|
||||
options.setCleanSession(true); |
||||
//设置连接用户名
|
||||
options.setUserName(username); |
||||
//设置连接密码
|
||||
options.setPassword(password.toCharArray()); |
||||
//设置超时时间，单位为秒
|
||||
options.setConnectionTimeout(100); |
||||
//设置心跳时间 单位为秒，表示服务器每隔 1.5*20秒的时间向客户端发送心跳判断客户端是否在线
|
||||
options.setKeepAliveInterval(20); |
||||
// 设置遗嘱消息的话题，若客户端和服务器之间的连接意外断开，服务器将发布客户端的遗嘱信息
|
||||
// options.setWill("willTopic",(clientId + "与服务器断开连接").getBytes(),0,false);
|
||||
//设置回调
|
||||
client.setCallback(new MqttProviderCallBack()); |
||||
client.connect(options); |
||||
} catch(MqttException e){ |
||||
e.printStackTrace(); |
||||
} |
||||
} |
||||
|
||||
public void publish(int qos,boolean retained,String topic,String message) { |
||||
if (client == null) { |
||||
init(); |
||||
} |
||||
try { |
||||
MqttMessage mqttMessage = new MqttMessage(); |
||||
mqttMessage.setQos(qos); |
||||
mqttMessage.setRetained(retained); |
||||
mqttMessage.setPayload(message.getBytes("UTF-8")); |
||||
// 主题的目的地，用于发布/订阅信息
|
||||
MqttTopic mqttTopic = client.getTopic(topic); |
||||
//提供一种机制来跟踪消息的传递进度
|
||||
//用于在以非阻塞方式（在后台运行）执行发布是跟踪消息的传递进度
|
||||
MqttDeliveryToken token; |
||||
//将指定消息发布到主题，但不等待消息传递完成，返回的token可用于跟踪消息的传递状态
|
||||
//一旦此方法干净地返回，消息就已被客户端接受发布，当连接可用，将在后台完成消息传递。
|
||||
token = mqttTopic.publish(mqttMessage); |
||||
token.waitForCompletion(); |
||||
|
||||
} catch (MqttException e) { |
||||
e.printStackTrace(); |
||||
} catch (Exception e) { |
||||
e.printStackTrace(); |
||||
} |
||||
} |
||||
|
||||
public static void main(String[] args) { |
||||
System.out.println(sendPrinterRrCodeBytest("1213131", 1)); |
||||
} |
||||
|
||||
public static byte[] sendPrinterRrCodeBytest(String printText, int pageCount) { |
||||
try { |
||||
byte[] by = printText.getBytes(); |
||||
byte[] msgByte = new byte[by.length + 16]; |
||||
// 写入缓存
|
||||
msgByte[0] = 29; |
||||
msgByte[1] = 40; |
||||
msgByte[2] = 107; |
||||
msgByte[3] = (byte)(by.length+3); |
||||
msgByte[4] = 0; |
||||
msgByte[5] = 49; |
||||
msgByte[6] = 80; |
||||
msgByte[7] = 48; // (byte)0x30);
|
||||
int index = 7; |
||||
for (int i = 0; i < by.length; i++) |
||||
{ |
||||
index = index+1; |
||||
msgByte[index] = by[i]; |
||||
} |
||||
// 打印缓存中的数据
|
||||
msgByte[index + 1] = 29; |
||||
msgByte[index + 2] = 40; |
||||
msgByte[index + 3] = 107; |
||||
msgByte[index + 4] = (byte)(by.length+3); |
||||
msgByte[index + 5] = 0; |
||||
msgByte[index + 6] = 49; |
||||
msgByte[index + 7] = 81; |
||||
msgByte[index + 8] = 48; // (byte)0x30);
|
||||
byte[] array = new byte[msgByte.length + 9]; |
||||
array[0] = 30; |
||||
array[1] = 16; |
||||
array[2] =(byte) pageCount;//打印份数
|
||||
int num = array.length - 5; |
||||
array[3] = (byte)(num >> 8); |
||||
//array[4] = (byte)((uint)num & 0xFFu);
|
||||
array[4] = (byte)(num & 0xFF); |
||||
for (int i = 0; i < msgByte.length; i++) |
||||
{ |
||||
array[i+ 5] = msgByte[i]; |
||||
} |
||||
array[array.length - 4] = 27; |
||||
array[array.length - 3] = 99; |
||||
byte[] crc16CodeArray = getCRC(msgByte); |
||||
array[array.length - 2] = crc16CodeArray[0]; |
||||
array[array.length - 1] = crc16CodeArray[1]; |
||||
return array; |
||||
} catch (Exception ex) { |
||||
System.out.println(ex.getStackTrace()); |
||||
} |
||||
return null; |
||||
} |
||||
|
||||
|
||||
private static byte[] getCRC(byte[] bytes) { |
||||
int crc = 0xFFFF; // 初始值
|
||||
for (byte b : bytes) { |
||||
crc = (crc >> 8) ^ CRC16Table[(crc ^ b) & 0xff]; |
||||
} |
||||
byte[] b = new byte[2]; |
||||
b[0] = (byte) ((crc >> 8)^0xff); |
||||
b[1] = (byte) ((crc & 0xff)^0xff); |
||||
return b; |
||||
} |
||||
|
||||
private static int[] CRC16Table = { 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, |
||||
0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, |
||||
0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, |
||||
0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, |
||||
0xcb64, 0xf9ff, 0xe876, 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, |
||||
0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, |
||||
0xfae7, 0xc87c, 0xd9f5, 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, |
||||
0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, |
||||
0xea66, 0xd8fd, 0xc974, 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, |
||||
0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, |
||||
0x99e1, 0xab7a, 0xbaf3, 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, |
||||
0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, |
||||
0x8960, 0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, |
||||
0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, |
||||
0xb8e3, 0x8a78, 0x9bf1, 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, |
||||
0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, |
||||
0xa862, 0x9af9, 0x8b70, 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, |
||||
0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, |
||||
0x5fed, 0x6d76, 0x7cff, 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, |
||||
0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, |
||||
0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, |
||||
0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, |
||||
0x7eef, 0x4c74, 0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, |
||||
0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, |
||||
0x6e6e, 0x5cf5, 0x4d7c, 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, |
||||
0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, |
||||
0x1de9, 0x2f72, 0x3efb, 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, |
||||
0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, |
||||
0x0d68, 0x3ff3, 0x2e7a, 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, |
||||
0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, |
||||
0x3ceb, 0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, |
||||
0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, |
||||
0x2c6a, 0x1ef1, 0x0f78 }; |
||||
} |
||||
|
||||
@ -0,0 +1,219 @@ |
||||
package com.hai.config; |
||||
|
||||
|
||||
import org.junit.Test; |
||||
|
||||
import java.io.UnsupportedEncodingException; |
||||
|
||||
|
||||
public class PrintDemo { |
||||
|
||||
|
||||
private String accessKeyId = "LTAI5tHHL3z6gpJbMmCg3zt2"; |
||||
private String accessKeySecret = "CC9kAuqgdjKiE6jxSQHddFxGDCTpBQ"; |
||||
private String instanceId = "post-cn-i7m2558ze01"; |
||||
private String topic = "Box"; |
||||
private String groupId= "GID_BOX"; |
||||
private String endpoint= "onsmqtt.mq-internet-access.aliyuncs.com"; |
||||
|
||||
|
||||
public static final int PAYTYPE_VOICE_NULL=2000; |
||||
public static final int PAYTYPE_VOICE_ALI=2001; |
||||
public static final int PAYTYPE_VOICE_QQ=2002; |
||||
public static final int PAYTYPE_VOICE_WECHAT=2003; |
||||
public static final int PAYTYPE_VOICE_JD=2004; |
||||
public static final int PAYTYPE_VOICE_UNION=2005; |
||||
public static final int PAYTYPE_VOICE_DIY7570=7570; |
||||
public static final int PAYTYPE_VOICE_DIY7571=7571; |
||||
public static final int PAYTYPE_VOICE_DIY7572=7572; |
||||
public static final int PAYTYPE_VOICE_DIY7573=7573; |
||||
public static final int PAYTYPE_VOICE_DIY7574=7574; |
||||
public static final int PAYTYPE_VOICE_DIY7575=7575; |
||||
public static final int PAYTYPE_VOICE_DIY7576=7576; |
||||
public static final int PAYTYPE_VOICE_DIY7577=7577; |
||||
public static final int PAYTYPE_VOICE_DIY7578=7578; |
||||
public static final int PAYTYPE_VOICE_DIY7579=7579; |
||||
|
||||
|
||||
|
||||
@Test |
||||
public void Test(){ |
||||
String imeiStr="352736082440754";//设备IMEI
|
||||
String printText="1234\r\n";//打印文本
|
||||
String voiceMsgId="2019022611153312312345";//消息ID
|
||||
String voiceMsgMoney="1234";//播报金额
|
||||
//获取打印内容
|
||||
byte[] printData = getPrinterBytes(printText, 1, ""); |
||||
System.out.println(bytes2Hex(printData)); |
||||
//获取播报字符串
|
||||
System.out.println(getStaticVoiceStr(imeiStr,voiceMsgId,voiceMsgMoney,PAYTYPE_VOICE_ALI)); |
||||
//获取播报打印机指令
|
||||
printData=getPrinterVoiceBytes(printText,1,"",imeiStr,voiceMsgId,voiceMsgMoney,PAYTYPE_VOICE_ALI); |
||||
System.out.println(bytes2Hex(printData)); |
||||
/* |
||||
try { |
||||
com.aliyun.onsmqtt20200420.Client client = createClient(accessKeyId, accessKeySecret); |
||||
SendMessageRequest sendMessageRequest = new SendMessageRequest() |
||||
.setInstanceId("post-cn-i7m2558ze01") |
||||
.setMqttTopic("Box/p2p/GID_BOX@@@359ac67b25c11b8") |
||||
.setPayload(bytes2Hex(printData)); |
||||
SendMessageResponse sendMessageResponse = client.sendMessage(sendMessageRequest); |
||||
System.out.println(sendMessageResponse.getBody().msgId); |
||||
} catch (Exception e) { |
||||
e.printStackTrace(); |
||||
}*/ |
||||
|
||||
} |
||||
|
||||
/** |
||||
* 使用AK&SK初始化账号Client |
||||
* @param accessKeyId |
||||
* @param accessKeySecret |
||||
* @return Client |
||||
* @throws Exception |
||||
*/ |
||||
/* public com.aliyun.onsmqtt20200420.Client createClient(String accessKeyId, String accessKeySecret) throws Exception { |
||||
Config config = new Config() |
||||
// 您的AccessKey ID
|
||||
.setAccessKeyId(accessKeyId) |
||||
// 您的AccessKey Secret
|
||||
.setAccessKeySecret(accessKeySecret); |
||||
// 访问的域名
|
||||
config.endpoint = endpoint; |
||||
return new com.aliyun.onsmqtt20200420.Client(config); |
||||
}*/ |
||||
|
||||
|
||||
|
||||
/** |
||||
* 支付播报固定语音字节数组 |
||||
* @param imeiStr IMEI设备唯一标识 |
||||
* @param msgId 交易序列号，不大于32字节，保证唯一 |
||||
* @param moneyStr 播报金额，最多两位小数 |
||||
* @param payType 支付类型 |
||||
* @return |
||||
*/ |
||||
public static byte[] getStaticVoiceBytes(String imeiStr,String msgId,String moneyStr,int payType){ |
||||
return getStaticVoiceStr(imeiStr,msgId,moneyStr,payType).getBytes(); |
||||
} |
||||
/** |
||||
* 支付播报固定语音字符串 |
||||
* @param imeiStr IMEI设备唯一标识 |
||||
* @param msgId 交易序列号，不大于32字节，保证唯一 |
||||
* @param moneyStr 播报金额，最多两位小数 |
||||
* @param payType 支付类型 |
||||
* @return |
||||
*/ |
||||
public static String getStaticVoiceStr(String imeiStr,String msgId,String moneyStr,int payType){ |
||||
String str=imeiStr+"|1007|"+msgId+"|"+moneyStr+"|"+payType; |
||||
return str; |
||||
} |
||||
/** |
||||
* 获取打印内容，适用于云打印机 |
||||
* @param printText 打印文本 |
||||
* @param pageCount 打印联数 |
||||
* @param encodingStr 编码方式，默认UTF-8 |
||||
* @return |
||||
*/ |
||||
public static byte[] getPrinterBytes(final String printText, |
||||
final int pageCount, String encodingStr) { |
||||
try { |
||||
if(encodingStr.equals("")){ |
||||
encodingStr="UTF-8"; |
||||
} |
||||
byte[] msgByte = printText.getBytes(encodingStr); |
||||
// 消息数组
|
||||
final byte[] dataByte = new byte[msgByte.length + 9]; |
||||
dataByte[0] = 0x1E; |
||||
dataByte[1] = 0x10; |
||||
dataByte[2] = (byte) pageCount;// 打印多联
|
||||
// 有效数据长度
|
||||
final int len = dataByte.length - 5; |
||||
dataByte[3] = (byte) (len >> 8); |
||||
dataByte[4] = (byte) (len & 0xff); |
||||
// 数据内容
|
||||
System.arraycopy(msgByte, 0, dataByte, 5, msgByte.length); |
||||
// 标识字节
|
||||
dataByte[dataByte.length - 4] = 0x1b; |
||||
dataByte[dataByte.length - 3] = 0x63; |
||||
// 打印内容CRC校验
|
||||
final byte[] dtCRC = getCRC(msgByte); |
||||
dataByte[dataByte.length - 2] = (byte) (dtCRC[0]); |
||||
dataByte[dataByte.length - 1] = (byte) (dtCRC[1]); |
||||
msgByte = dataByte; |
||||
return msgByte; |
||||
} catch (Exception ex) { |
||||
System.out.println(ex.getStackTrace()); |
||||
} |
||||
return null; |
||||
} |
||||
|
||||
public static byte[] getPrinterVoiceBytes(String printTxt,int pageCount,String encodingStr,String imeiStr,String msgId,String moneyStr,int payType){ |
||||
byte[] voiceArray=getStaticVoiceBytes(imeiStr, msgId, moneyStr, payType); |
||||
byte[] printerArray=getPrinterBytes(printTxt,pageCount,encodingStr); |
||||
byte[] data=new byte[voiceArray.length+printerArray.length]; |
||||
System.arraycopy(printerArray, 0, data, 0, printerArray.length); |
||||
System.arraycopy(voiceArray, 0, data, printerArray.length, voiceArray.length); |
||||
return data; |
||||
} |
||||
|
||||
private static int[] CRC16Table = { 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, |
||||
0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, |
||||
0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, |
||||
0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, |
||||
0xcb64, 0xf9ff, 0xe876, 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, |
||||
0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, |
||||
0xfae7, 0xc87c, 0xd9f5, 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, |
||||
0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, |
||||
0xea66, 0xd8fd, 0xc974, 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, |
||||
0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, |
||||
0x99e1, 0xab7a, 0xbaf3, 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, |
||||
0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, |
||||
0x8960, 0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, |
||||
0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, |
||||
0xb8e3, 0x8a78, 0x9bf1, 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, |
||||
0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, |
||||
0xa862, 0x9af9, 0x8b70, 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, |
||||
0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, |
||||
0x5fed, 0x6d76, 0x7cff, 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, |
||||
0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, |
||||
0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, |
||||
0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, |
||||
0x7eef, 0x4c74, 0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, |
||||
0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, |
||||
0x6e6e, 0x5cf5, 0x4d7c, 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, |
||||
0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, |
||||
0x1de9, 0x2f72, 0x3efb, 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, |
||||
0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, |
||||
0x0d68, 0x3ff3, 0x2e7a, 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, |
||||
0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, |
||||
0x3ceb, 0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, |
||||
0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, |
||||
0x2c6a, 0x1ef1, 0x0f78 }; |
||||
private static byte[] getCRC(byte[] bytes) { |
||||
int crc = 0xFFFF; // 初始值
|
||||
for (byte b : bytes) { |
||||
crc = (crc >> 8) ^ CRC16Table[(crc ^ b) & 0xff]; |
||||
} |
||||
byte[] b = new byte[2]; |
||||
b[0] = (byte) ((crc >> 8)^0xff); |
||||
b[1] = (byte) ((crc & 0xff)^0xff); |
||||
return b; |
||||
} |
||||
private static final char[] HEXES = { '0', '1', '2', '3', '4', '5', '6', |
||||
'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
||||
/** |
||||
* byte数组 转换成 16进制小写字符串 |
||||
*/ |
||||
private static String bytes2Hex(byte[] bytes) { |
||||
if (bytes == null || bytes.length == 0) { |
||||
return null; |
||||
} |
||||
StringBuilder hex = new StringBuilder(); |
||||
for (byte b : bytes) { |
||||
hex.append(HEXES[(b >> 4) & 0x0F]); |
||||
hex.append(HEXES[b & 0x0F]); |
||||
} |
||||
return hex.toString(); |
||||
} |
||||
} |
||||
Loading…
Reference in new issue