定位设备相关代码

This commit is contained in:
马三炮 2025-06-21 18:57:00 +08:00
parent 8f7067c77f
commit f00a9ee3af
9 changed files with 1330 additions and 0 deletions

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@ -21,6 +21,7 @@ import com.bonus.sgzb.material.domain.*;
import com.bonus.sgzb.material.mapper.IotMachineMapper;
import com.bonus.sgzb.material.mapper.ReportAlarmMapper;
import com.bonus.sgzb.material.service.IotMachineService;
import com.bonus.sgzb.material.utils.JTT808Protocol;
import com.bonus.sgzb.system.api.domain.SysUser;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
@ -638,4 +639,29 @@ public class IotMachineServiceImpl implements IotMachineService {
}
return iotLocationVo;
}
/**
* 设置5分钟执行一次
*/
@Scheduled(fixedDelay = 300000)
public void dingWei(){
try {
// 创建协议实例
JTT808Protocol protocol = new JTT808Protocol("868120322495257", "36.33.26.201", 21100);
// 连接服务器
protocol.connect();
// 注册终端
protocol.register();
// 等待一段时间后断开连接
Thread.sleep(60000);
protocol.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}

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@ -0,0 +1,174 @@
package com.bonus.sgzb.material.utils;
import io.netty.buffer.ByteBuf;
import lombok.extern.slf4j.Slf4j;
/**
* @author 马三炮
* @date 2025/6/5
*/
@Slf4j
public class BCD {
public static long toLong(byte[] value) {
long result = 0;
int len = value.length;
int temp;
for (int i = 0; i < len; i++) {
temp = (len - 1 - i) * 8;
if (temp == 0) {
result += (value[i] & 0x0ff);
} else {
result += (value[i] & 0x0ff) << temp;
}
}
return result;
}
public static byte[] longToBytes(long value, int len) {
byte[] result = new byte[len];
int temp;
for (int i = 0; i < len; i++) {
temp = (len - 1 - i) * 8;
if (temp == 0) {
result[i] += (value & 0x0ff);
} else {
result[i] += (value >>> temp) & 0x0ff;
}
}
return result;
}
public static byte[] DecimalToBCD(long num) {
int digits = 0;
long temp = num;
while (temp != 0) {
digits++;
temp /= 10;
}
int byteLen = digits % 2 == 0 ? digits / 2 : (digits + 1) / 2;
byte bcd[] = new byte[byteLen];
for (int i = 0; i < digits; i++) {
byte tmp = (byte) (num % 10);
if (i % 2 == 0) {
bcd[i / 2] = tmp;
} else {
bcd[i / 2] |= (byte) (tmp << 4);
}
num /= 10;
}
for (int i = 0; i < byteLen / 2; i++) {
byte tmp = bcd[i];
bcd[i] = bcd[byteLen - i - 1];
bcd[byteLen - i - 1] = tmp;
}
return bcd;
}
public static long toDecimal(byte[] bcd) {
return Long.valueOf(BCD.toString(bcd));
}
public static int toInteger(byte[] bcd) {
return Integer.parseInt(BCD.toString(bcd));
}
public static String toString(byte bcd) {
StringBuffer sb = new StringBuffer();
byte high = (byte) (bcd & 0xf0);
high >>>= (byte) 4;
high = (byte) (high & 0x0f);
byte low = (byte) (bcd & 0x0f);
sb.append(high);
sb.append(low);
return sb.toString();
}
public static String toString(byte[] bcd) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < bcd.length; i++) {
sb.append(toString(bcd[i]));
}
return sb.toString();
}
private static final String HEX = "0123456789ABCDEF";
private static byte toByte(char c) {
byte b = (byte) HEX.indexOf(c);
return b;
}
public static byte[] toBcdBytes(String hex) {
int len = (hex.length() / 2);
byte[] result = new byte[len];
char[] achar = hex.toCharArray();
for (int i = 0; i < len; i++) {
int pos = i * 2;
result[i] = (byte) (toByte(achar[pos]) << 4 | toByte(achar[pos + 1]));
}
return result;
}
public static String toBcdDateString(byte[] bs) {
if (bs.length != 3 && bs.length != 4) {
log.error("无效BCD日期");
return "0000-00-00";
}
StringBuffer sb = new StringBuffer();
int i = 0;
if (bs.length == 3) {
sb.append("20");
} else {
sb.append(BCD.toString(bs[i++]));
}
sb.append(BCD.toString(bs[i++]));
sb.append("-").append(BCD.toString(bs[i++]));
sb.append("-").append(BCD.toString(bs[i++]));
return sb.toString();
}
public static String toBcdTimeString(byte[] bs) {
if (bs.length != 6 && bs.length != 7) {
log.error("无效BCD时间");
return "0000-00-00 00:00:00";
}
StringBuffer sb = new StringBuffer();
int i = 0;
if (bs.length == 6) {
sb.append("20");
} else {
sb.append(BCD.toString(bs[i++]));
}
sb.append(BCD.toString(bs[i++]));
sb.append("-").append(BCD.toString(bs[i++]));
sb.append("-").append(BCD.toString(bs[i++]));
sb.append(" ").append(BCD.toString(bs[i++]));
sb.append(":").append(BCD.toString(bs[i++]));
sb.append(":").append(BCD.toString(bs[i]));
return sb.toString();
}
/**
* 根据byteBuf的readerIndex和writerIndex计算校验码
* 校验码规则从消息头开始同后一字节异或直到校验码前一个字节占用 1 个字节
*
* @param byteBuf
* @return
*/
public static byte XorSumBytes(ByteBuf byteBuf) {
byte sum = byteBuf.getByte(byteBuf.readerIndex());
for (int i = byteBuf.readerIndex() + 1; i < byteBuf.writerIndex(); i++) {
sum = (byte) (sum ^ byteBuf.getByte(i));
}
return sum;
}
//取num字节的第几位
public static int getBit(int num, int i) {
return ((num & (1 << i)) != 0)?1:0;//true 表示第i位为1,否则为0
}
}

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@ -0,0 +1,72 @@
package com.bonus.sgzb.material.utils;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.timeout.IdleState;
import io.netty.handler.timeout.IdleStateEvent;
import io.netty.util.Attribute;
import io.netty.util.AttributeKey;
import lombok.extern.slf4j.Slf4j;
/**
* @author 马三炮
* @date 2025/6/5
*/
@Slf4j
public abstract class BaseHandler<T> extends SimpleChannelInboundHandler<T> {
//消息流水号
private static final AttributeKey<Short> SERIAL_NUMBER = AttributeKey.newInstance("serialNumber");
/**
* 递增获取流水号
*
* @return
*/
public short getSerialNumber(Channel channel) {
Attribute<Short> flowIdAttr = channel.attr(SERIAL_NUMBER);
Short flowId = flowIdAttr.get();
if (flowId == null) {
flowId = 0;
} else {
flowId++;
}
flowIdAttr.set(flowId);
return flowId;
}
public void write(ChannelHandlerContext ctx, DataPacket msg) {
ctx.writeAndFlush(msg).addListener(future -> {
if (!future.isSuccess()) {
log.error("发送失败", future.cause());
}
});
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
log.error("exceptionCaught", cause);
ctx.close();
}
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (evt instanceof IdleStateEvent) {
//此实例项目只设置了读取超时时间,可以通过state分别做处理,一般服务端在这里关闭连接节省资源客户端发送心跳维持连接
IdleState state = ((IdleStateEvent) evt).state();
if (state == IdleState.READER_IDLE) {
log.warn("客户端{}读取超时,关闭连接", ctx.channel().remoteAddress());
ctx.close();
} else if (state == IdleState.WRITER_IDLE) {
log.warn("客户端{}写入超时", ctx.channel().remoteAddress());
} else if (state == IdleState.ALL_IDLE) {
log.warn("客户端{}读取写入超时", ctx.channel().remoteAddress());
}
} else {
super.userEventTriggered(ctx, evt);
}
}
}

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@ -0,0 +1,64 @@
package com.bonus.sgzb.material.utils;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelId;
import io.netty.channel.group.ChannelGroup;
import io.netty.channel.group.DefaultChannelGroup;
import io.netty.util.AttributeKey;
import io.netty.util.concurrent.GlobalEventExecutor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author 马三炮
* @date 2025/6/5
*/
@Slf4j
@Component
public class ChannelManager {
private static final AttributeKey<String> TERMINAL_PHONE = AttributeKey.newInstance("terminalPhone");
private ChannelGroup channelGroup = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);
private Map<String, ChannelId> channelIdMap = new ConcurrentHashMap<>();
private ChannelFutureListener remover = future -> {
String phone = future.channel().attr(TERMINAL_PHONE).get();
if (channelIdMap.get(phone) == future.channel().id()) {
channelIdMap.remove(phone);
}
};
public boolean add(String terminalPhone, Channel channel) {
boolean added = channelGroup.add(channel);
if (added) {
if (channelIdMap.containsKey(terminalPhone)) {//替换
Channel old = get(terminalPhone);
old.closeFuture().removeListener(remover);
old.close();
}
channel.attr(TERMINAL_PHONE).set(terminalPhone);
channel.closeFuture().addListener(remover);
channelIdMap.put(terminalPhone, channel.id());
}
return added;
}
public boolean remove(String terminalPhone) {
return channelGroup.remove(channelIdMap.remove(terminalPhone));
}
public Channel get(String terminalPhone) {
return channelGroup.find(channelIdMap.get(terminalPhone));
}
public ChannelGroup getChannelGroup() {
return channelGroup;
}
}

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@ -0,0 +1,57 @@
package com.bonus.sgzb.material.utils;
import io.netty.buffer.ByteBuf;
import lombok.Data;
/**
* @author 马三炮
* @date 2025/6/5
*/
@Data
public class CommonResponse extends DataPacket {
public static final byte SUCCESS = 0;//成功/确认
public static final byte FAILURE = 1;//失败
public static final byte MSG_ERROR = 2;//消息有误
public static final byte UNSUPPORTED = 3;//不支持
public static final byte ALARM_PROCESS_ACK = 4;//报警处理确认
private short replyFlowId; //应答流水号 2字节
private short replyId; //应答 ID 2字节
private byte result; //结果 1字节
public CommonResponse() {
this.getHeader().setMsgId(Const.SERVER_RESP_COMMON);
}
@Override
public ByteBuf toByteBufMsg() {
ByteBuf bb = super.toByteBufMsg();
bb.writeShort(replyFlowId);
bb.writeShort(replyId);
bb.writeByte(result);
return bb;
}
public static CommonResponse success(DataPacket msg, short flowId) {
CommonResponse resp = new CommonResponse();
resp.getHeader().setTerminalPhone(msg.getHeader().getTerminalPhone());
resp.getHeader().setFlowId(flowId);
resp.setReplyFlowId(msg.getHeader().getFlowId());
resp.setReplyId(msg.getHeader().getMsgId());
resp.setResult(SUCCESS);
return resp;
}
public static CommonResponse success(DataPacket msg, short flowId,byte result) {
CommonResponse resp = new CommonResponse();
resp.getHeader().setTerminalPhone(msg.getHeader().getTerminalPhone());
resp.getHeader().setFlowId(flowId);
resp.setReplyFlowId(msg.getHeader().getFlowId());
resp.setReplyId(msg.getHeader().getMsgId());
resp.setResult(result);
return resp;
}
}

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@ -0,0 +1,128 @@
package com.bonus.sgzb.material.utils;
import java.nio.charset.Charset;
/**
* @author 马三炮
* @date 2025/6/5
*/
public class Const {
//默认字符集为GBK
public static final Charset DEFAULT_CHARSET = Charset.forName("GBK");
//消息分隔符
public static final byte PKG_DELIMITER = 0x7e;
// 终端应答
public static final short TERNIMAL_RESP_COMMON_ = 0x0001; //通用应答
// 终端消息分类
public static final short TERNIMAL_MSG_HEARTBEAT = 0x0002; //心跳
public static final short TERNIMAL_MSG_REGISTER = 0x0100; //注册
public static final short TERNIMAL_MSG_LOGOUT = 0x0003;//注销
public static final short TERNIMAL_MSG_AUTH = 0x0102;//鉴权
public static final short TERNIMAL_MSG_LOCATION = 0x0200;//位置
public static final short TERNIMAL_MSG_LOCATION_BATCH = 0x0704;//批量位置上报
public static final short TERNIMAL_MSG_STATUS = 0x0900;//位置数据上行透传
//报警命令ID
public static final short ALARM_COMMAND_INFORMED = 0xFA;// 报警命令ID及描述附表
public static final short ALARM_COMMAND_EXTEND = 0xEB;// 轿车扩展数据流
public static final short ALARM_COMMAND_BASICS = 0xEA;// 基础数据流附表
public static final short ALARM_COMMAND_TRUCK = 0xEC;// 火车扩展数据流
//数据上行透传消息体
public static final short STATUS_MSG_FLAMEOUT =0xF1;// 驾驶行程数据(熄火发送) 驾驶行程数据包
public static final short STATUS_MSG_FAULT =0xF2;// 故障码数据(状态改变发送) 故障码数据包
public static final short STATUS_MSG_DORMANCY =0xF3;// 休眠进入(进入休眠模式发送) 休眠进入数据包
public static final short STATUS_MSG_AWAKEN =0xF4;// 休眠唤醒(退出休眠模式发送) 休眠唤醒数据包
//public static final short STATUS_MSG_DATA =0xF5;// 车辆GPS精简数据包(货车版) 暂时未加入
//public static final short STATUS_MSG_FLAMEOUT =0xF6;// MCU升级状态反馈包 MCU升级状态反馈包
public static final short STATUS_MSG_COLLISION =0xF7;// 疑似碰撞报警描述包 疑似碰撞报警描述包
//FA报警信息
public static final short ALARM_COMMAND_SPEEDING = 0x0107;//超速报警
public static final short ALARM_COMMAND_IDLING = 0x0106;//怠速报警
public static final short ALARM_COMMAND_IGNITION = 0x0001;//点火上报
public static final short ALARM_COMMAND_FLAMEOUT = 0x0002;//熄火上报
public static final short ALARM_COMMAND_START = 0x0007;//系统启动
public static final short ALARM_COMMAND_ABNORMAL_VIBRATION = 0x0115;//异常振动报警类似于点火操作
//服务器应答
public static final short SERVER_RESP_COMMON = (short) 0x8001;//通用应答
public static final short SERVER_RESP_REGISTER = (short) 0x8100;//注册应答
//readerIdleTime
public static final int IDLESTATE_HANDLER_READTIMEOUT = 15;
//包头最大长度16+包体最大长度1023+分隔符2+转义字符最大姑且算60 = 1100
public static final int MAX_FRAME_LENGTH = 2200;
//_基础数据流 需要哪些数据switch添加即可
public static final short ALARM_COMMAND_0X0003 = 0x0003;//总里程数据
public static final short ALARM_COMMAND_0X0004 = 0x0004;//总油耗数据 毫升
public static final short ALARM_COMMAND_0X0005 = 0x0005;//总运行时长
public static final short ALARM_COMMAND_0X0006 = 0x0006;//总熄火时长
public static final short ALARM_COMMAND_0X0007 = 0x0007;//总怠速时长
public static final short ALARM_COMMAND_0X00010 = 0x0010;//加速度表
public static final short ALARM_COMMAND_0X00011 = 0x0011;//车辆状态表
public static final short ALARM_COMMAND_0X00012 = 0x0012;//车辆电压 0.1V
public static final short ALARM_COMMAND_0X00013 = 0x0013;//终端内置电池电压 0.1V
public static final short ALARM_COMMAND_0X00014 = 0x0014;// CSQ值 网络信号强度
//轿车扩展数据流
public static final short ALARM_COMMAND_0x60C0 = 0x60C0;//转速 精度1偏移0范围0 ~ 8000
public static final short ALARM_COMMAND_0x60D0 = 0x60D0;//车速 精度1偏移0范围0 ~ 240
public static final short ALARM_COMMAND_0x62F0 = 0x62F0;// 剩余油量 % L 剩余油量,单位L或% Bit15 ==0百分比% OBD都为百分比==1单位L
public static final short ALARM_COMMAND_0x6050 = 0x6050;//冷却液温度
public static final short ALARM_COMMAND_0x60F0 = 0x60F0;//进气口温度
public static final short ALARM_COMMAND_0x60B0 = 0x60B0;//进气(岐管绝对)压力 kPa
public static final short ALARM_COMMAND_0x6330 = 0x6330;//大气压力 kPa
public static final short ALARM_COMMAND_0x6460 = 0x6460;//环境温度
public static final short ALARM_COMMAND_0x6490 = 0x6490;//加速踏板位置
public static final short ALARM_COMMAND_0x60A0 = 0x60A0;//燃油压力
public static final short ALARM_COMMAND_0x6014 = 0x6014;//故障码状态
public static final short ALARM_COMMAND_0X6010 = 0X6010;//故障码个数
public static final short ALARM_COMMAND_0x6100 = 0x6100;//空气流量
public static final short ALARM_COMMAND_0x6110 = 0x6110;//绝对节气门位置
public static final short ALARM_COMMAND_0x61F0 = 0x61F0;//自发动机起动的时间
public static final short ALARM_COMMAND_0x6210 = 0x6210;//故障行驶里程
public static final short ALARM_COMMAND_0x6040 = 0x6040;//计算负荷值
public static final short ALARM_COMMAND_0x6070 = 0x6070;//长期燃油修正(气缸列1和3)
public static final short ALARM_COMMAND_0x60E0 = 0x60E0;//第一缸点火正时提前角
public static final short ALARM_COMMAND_0x6901 = 0x6901;//前刹车片磨损 0 正常/否则 显示对应数据,单位
public static final short ALARM_COMMAND_0x6902 = 0x6902;//后刹车片磨损 0 正常/否则 显示对应数据,单位
public static final short ALARM_COMMAND_0x6903 = 0x6903;//制动液液位
public static final short ALARM_COMMAND_0x6904 = 0x6904;//机油液位 mL 显示值为上传值/1000 单位 毫米
public static final short ALARM_COMMAND_0x6905 = 0x6905;//胎压报警 0当前无警告 1存在胎压失压
public static final short ALARM_COMMAND_0x6906 = 0x6906;//冷却液液位
public static final short ALARM_COMMAND_0x6907 = 0x6907;//续航里程
//货车扩展数据流 6部分与轿车类似
public static final short ALARM_COMMAND_0x5001 = 0x5001;//离合器开关 0x00/0x01 /
public static final short ALARM_COMMAND_0x5002 = 0x5002;//制动刹车开关 0x00/0x01 /
public static final short ALARM_COMMAND_0x5003 = 0x6110;//驻车刹车开关 0x00/0x01 /
public static final short ALARM_COMMAND_0x5004 = 0x61F0;//节流阀位置 精度1偏移0范围0% ~ 100%
public static final short ALARM_COMMAND_0x5005 = 0x5005;//油料使用率 精度0.05L/h偏移0取值范围0 ~ 3212.75Lh 单位 L/h
public static final short ALARM_COMMAND_0x5006 = 0x5006;//燃油温度 精度0.03125偏移-273.0范围-273.0 ~ +1734.96875 单位
public static final short ALARM_COMMAND_0x5007 = 0x5007;//机油温度 精度0.03125偏移-273.0范围-273.0 ~ +1734.96875
public static final short ALARM_COMMAND_0x5008 = 0x5008;//OBD发动机润滑油压力 精度4偏移0范围0 ~ 1000kpa
public static final short ALARM_COMMAND_0x5009 = 0x6901;//OBD制动器踏板位置 精度1偏移0范围0% ~ 100%
public static final short ALARM_COMMAND_0x500A = 0x6902;//OBD 空气流量 精度0.1偏移0取值范围0~6553.5
public static final short ALARM_COMMAND_0x62f0 = 0x62f0;//剩余油量,单位L或%Bit15 ==0百分比% OBD都为百分 ==1单位L 显示值为上传值/10
//能读取到以下数据
public static final short ALARM_COMMAND_0x5105 = 0x5105;//反应剂余量 % 精度0.4偏移0范围0% ~ 100%
public static final short ALARM_COMMAND_0x5101 = 0x5101;//发动机净输出扭矩 % 精度1偏移-125取值范围-125% ~+125%
public static final short ALARM_COMMAND_0x5102 = 0x5102;// 摩擦扭矩 % 精度1偏移-125取值范围-125% ~+125%
public static final short ALARM_COMMAND_0x510A = 0x510A;//发动机扭矩模式 0超速失效1转速控制2扭矩控制3转速/扭矩控制9正常
public static final short ALARM_COMMAND_0x510C = 0x510C;//尿素箱温度 精度1偏移-40.0范围-40.0 ~ +210
//新能源
}

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package com.bonus.sgzb.material.utils;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import lombok.Data;
import org.apache.commons.lang3.StringUtils;
/**
* @author 马三炮
* @date 2025/6/5
*/
@Data
public class DataPacket {
protected Header header = new Header(); //消息头
protected ByteBuf body; //消息体
public DataPacket() {
}
public DataPacket(ByteBuf body) {
this.body = body;
}
public void parse() {
try {
this.parseHead();
//验证包体长度
if (this.header.getMsgBodyLength() != this.body.readableBytes()) {
throw new RuntimeException("包体长度有误");
}
this.parseBody();
} finally {
//ReferenceCountUtil.safeRelease(this.body);
}
}
public void parseHead() {
header.setMsgId(body.readShort());
header.setMsgBodyProps(body.readShort());
header.setTerminalPhone(BCD.toString(readBytes(6)));
header.setFlowId(body.readShort());
if (header.hasSubPackage()) {
//TODO 处理分包
body.readInt();
}
}
/**
* 请求报文重写
*/
protected void parseBody() {
}
/**
* 响应报文重写 并调用父类
*
* @return
*/
public ByteBuf toByteBufMsg() {
ByteBuf bb = ByteBufAllocator.DEFAULT.heapBuffer();//在JT808Encoder escape()方法处回收
bb.writeInt(0);//先占4字节用来写msgId和msgBodyPropsJT808Encoder中覆盖回来
bb.writeBytes(BCD.toBcdBytes(StringUtils.leftPad(this.header.getTerminalPhone(), 12, "0")));
bb.writeShort(this.header.getFlowId());
//TODO 处理分包
return bb;
}
/**
* 从ByteBuf中read固定长度的数组,相当于ByteBuf.readBytes(byte[] dst)的简单封装
*
* @param length
* @return
*/
public byte[] readBytes(int length) {
byte[] bytes = new byte[length];
this.body.readBytes(bytes);
return bytes;
}
/**
* 从ByteBuf中读出固定长度的数组 根据808默认字符集构建字符串
*
* @param length
* @return
*/
public String readString(int length) {
return new String(readBytes(length), Const.DEFAULT_CHARSET);
}
/**
* 消息头对象
*/
@Data
public static class Header {
private short msgId;// 功能ID 2字节
private short msgBodyProps;//消息属性 2字节
private String terminalPhone; // 终端手机号 6字节
private short flowId;// 流水号 2字节
//获取包体长度
public short getMsgBodyLength() {
return (short) (msgBodyProps & 0x3ff);
}
//获取加密类型 3bits
public byte getEncryptionType() {
return (byte) ((msgBodyProps & 0x1c00) >> 10);
}
//是否分包
public boolean hasSubPackage() {
return ((msgBodyProps & 0x2000) >> 13) == 1;
}
}
}

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package com.bonus.sgzb.material.utils;
/**
* @author 马三炮
* @date 2025/6/6
*/
import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class JTT808Parser {
// 常见附加信息ID
private static final int INFO_ID_MILEAGE = 0x01; // 里程
private static final int INFO_ID_FUEL = 0x02; // 油量
private static final int INFO_ID_SPEED = 0x03; // 行驶记录速度
private static final int INFO_ID_ENGINE_RPM = 0x04; // 发动机转速
private static final int INFO_ID_SATELLITES = 0x11; // 卫星数
private static final int INFO_ID_TERMINAL_TEMP = 0x25; // 终端温度
public LocationInfo parseLocationData(byte[] data) throws Exception {
if (data == null || data.length < 28) {
throw new IllegalArgumentException("数据长度不足至少需要28字节");
}
LocationInfo info = new LocationInfo();
int offset = 0;
// 解析报警标志
info.setAlarmFlag(readInt32(data, offset));
offset += 4;
// 解析状态
info.setStatus(readInt32(data, offset));
offset += 4;
// 解析经纬度
info.setLatitude(readInt32(data, offset) / 1e6);
offset += 4;
info.setLongitude(readInt32(data, offset) / 1e6);
offset += 4;
// 解析高程
info.setAltitude(readInt16(data, offset));
offset += 2;
// 解析速度
info.setSpeed(readInt16(data, offset) / 10.0);
offset += 2;
// 解析方向
info.setDirection(readInt16(data, offset));
offset += 2;
// 解析时间
info.setLocationTime(parseTime(data, offset));
offset += 6;
// 解析附加信息
if (offset < data.length) {
info.setAdditionalInfo(parseAdditionalInfo(Arrays.copyOfRange(data, offset, data.length)));
}
return info;
}
private Map<Integer, Object> parseAdditionalInfo(byte[] data) {
Map<Integer, Object> additionalInfo = new HashMap<>();
int offset = 0;
while (offset + 2 <= data.length) {
int infoId = data[offset] & 0xFF;
int infoLength = data[offset + 1] & 0xFF;
offset += 2;
if (offset + infoLength > data.length) {
break; // 数据不足退出解析
}
byte[] infoData = Arrays.copyOfRange(data, offset, offset + infoLength);
// 根据ID解析不同类型的附加信息
switch (infoId) {
case INFO_ID_MILEAGE:
additionalInfo.put(infoId, readInt32(infoData, 0) / 10.0); // 0.1km
break;
case INFO_ID_FUEL:
additionalInfo.put(infoId, readInt16(infoData, 0) / 10.0); // 0.1L
break;
case INFO_ID_SPEED:
additionalInfo.put(infoId, readInt16(infoData, 0) / 10.0); // 0.1km/h
break;
case INFO_ID_ENGINE_RPM:
additionalInfo.put(infoId, readInt16(infoData, 0)); // rpm
break;
case INFO_ID_SATELLITES:
additionalInfo.put(infoId, infoData[0] & 0xFF); // 卫星数
break;
case INFO_ID_TERMINAL_TEMP:
additionalInfo.put(infoId, (int) infoData[0]); // 温度
break;
default:
// 未知类型保存原始数据的十六进制字符串
additionalInfo.put(infoId, bytesToHex(infoData));
}
offset += infoLength;
}
return additionalInfo;
}
// 读取32位整数(大端序)
private int readInt32(byte[] data, int offset) {
return ((data[offset] & 0xFF) << 24) |
((data[offset + 1] & 0xFF) << 16) |
((data[offset + 2] & 0xFF) << 8) |
(data[offset + 3] & 0xFF);
}
// 读取16位整数(大端序)
private int readInt16(byte[] data, int offset) {
return ((data[offset] & 0xFF) << 8) |
(data[offset + 1] & 0xFF);
}
// 解析BCD格式时间
private LocalDateTime parseTime(byte[] data, int offset) {
int year = ((data[offset] >> 4) & 0x0F) * 10 + (data[offset] & 0x0F);
int month = ((data[offset + 1] >> 4) & 0x0F) * 10 + (data[offset + 1] & 0x0F);
int day = ((data[offset + 2] >> 4) & 0x0F) * 10 + (data[offset + 2] & 0x0F);
int hour = ((data[offset + 3] >> 4) & 0x0F) * 10 + (data[offset + 3] & 0x0F);
int minute = ((data[offset + 4] >> 4) & 0x0F) * 10 + (data[offset + 4] & 0x0F);
int second = ((data[offset + 5] >> 4) & 0x0F) * 10 + (data[offset + 5] & 0x0F);
// 假设当前世纪为21世纪
year += 2000;
return LocalDateTime.of(year, month, day, hour, minute, second);
}
// 字节数组转十六进制字符串
private String bytesToHex(byte[] bytes) {
StringBuilder result = new StringBuilder();
for (byte b : bytes) {
result.append(String.format("%02X", b));
}
return result.toString();
}
// 定位信息类
public static class LocationInfo {
private long alarmFlag;
private long status;
private double latitude;
private double longitude;
private int altitude;
private double speed;
private int direction;
private LocalDateTime locationTime;
private Map<Integer, Object> additionalInfo = new HashMap<>();
// Getters and setters
public long getAlarmFlag() { return alarmFlag; }
public void setAlarmFlag(long alarmFlag) { this.alarmFlag = alarmFlag; }
public long getStatus() { return status; }
public void setStatus(long status) { this.status = status; }
public double getLatitude() { return latitude; }
public void setLatitude(double latitude) { this.latitude = latitude; }
public double getLongitude() { return longitude; }
public void setLongitude(double longitude) { this.longitude = longitude; }
public int getAltitude() { return altitude; }
public void setAltitude(int altitude) { this.altitude = altitude; }
public double getSpeed() { return speed; }
public void setSpeed(double speed) { this.speed = speed; }
public int getDirection() { return direction; }
public void setDirection(int direction) { this.direction = direction; }
public LocalDateTime getLocationTime() { return locationTime; }
public void setLocationTime(LocalDateTime locationTime) { this.locationTime = locationTime; }
public Map<Integer, Object> getAdditionalInfo() { return additionalInfo; }
public void setAdditionalInfo(Map<Integer, Object> additionalInfo) { this.additionalInfo = additionalInfo; }
@Override
public String toString() {
return "LocationInfo{" +
"alarmFlag=" + alarmFlag +
", status=" + status +
", latitude=" + latitude +
", longitude=" + longitude +
", altitude=" + altitude +
", speed=" + speed +
", direction=" + direction +
", locationTime=" + locationTime +
", additionalInfo=" + additionalInfo +
'}';
}
}
// 使用示例
public static void main(String[] args) {
try {
// 示例数据 (根据实际情况替换)
byte[] sampleData = hexStringToByteArray(
"01000000" + // 报警标志: 紧急报警
"00000001" + // 状态: ACC开, 定位有效
"01CDD6A1" + // 纬度: 30.545633°
"771A1A54" + // 经度: 114.293492°
"0064" + // 高程: 100米
"004B" + // 速度: 7.5km/h
"00C8" + // 方向: 200°
"250605143000" + // 时间: 2025-06-05 14:30:00
// 附加信息: 里程(0x01) = 12345.6km
"010400017D90" +
// 附加信息: 卫星数(0x11) = 12颗
"11010C"
);
JTT808Parser parser = new JTT808Parser();
LocationInfo result = parser.parseLocationData(sampleData);
// 打印解析结果
System.out.println("解析结果:");
System.out.printf("报警标志: %d%n", result.getAlarmFlag());
System.out.printf("状态: %d%n", result.getStatus());
System.out.printf("纬度: %.6f°%n", result.getLatitude());
System.out.printf("经度: %.6f°%n", result.getLongitude());
System.out.printf("高程: %d米%n", result.getAltitude());
System.out.printf("速度: %.1fkm/h%n", result.getSpeed());
System.out.printf("方向: %d°%n", result.getDirection());
System.out.printf("定位时间: %s%n", result.getLocationTime());
System.out.println("\n附加信息:");
Map<Integer, Object> additionalInfo = result.getAdditionalInfo();
for (Map.Entry<Integer, Object> entry : additionalInfo.entrySet()) {
String infoName = getAdditionalInfoName(entry.getKey());
System.out.printf("%s: %s%n", infoName, entry.getValue());
}
} catch (Exception e) {
e.printStackTrace();
}
}
// 获取附加信息名称
private static String getAdditionalInfoName(int infoId) {
switch (infoId) {
case INFO_ID_MILEAGE: return "里程";
case INFO_ID_FUEL: return "油量";
case INFO_ID_SPEED: return "行驶记录速度";
case INFO_ID_ENGINE_RPM: return "发动机转速";
case INFO_ID_SATELLITES: return "卫星数";
case INFO_ID_TERMINAL_TEMP: return "终端温度";
default: return String.format("未知信息ID(0x%02X)", infoId);
}
}
// 十六进制字符串转字节数组
private static byte[] hexStringToByteArray(String s) {
int len = s.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
}

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package com.bonus.sgzb.material.utils;
/**
* @author 马三炮
* @date 2025/6/6
*/
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
/**
* JT/T 808协议实现 - 从请求到解析的完整流程
*/
public class JTT808Protocol {
// 消息ID定义
private static final int MSG_ID_TERMINAL_REGISTER = 0x0100; // 终端注册
private static final int MSG_ID_TERMINAL_AUTH = 0x0102; // 终端鉴权
private static final int MSG_ID_TERMINAL_HEARTBEAT = 0x0002; // 终端心跳
private static final int MSG_ID_TERMINAL_LOCATION = 0x0200; // 终端位置信息汇报
private static final int MSG_ID_PLATFORM_GENERAL_ACK = 0x8001; // 平台通用应答
// 终端信息
private String terminalPhone; // 终端手机号(12位数字)
private String serverIp; // 服务器IP
private int serverPort; // 服务器端口
private Socket socket; // 通信套接字
private int flowId = 0; // 流水号
// 定位信息解析器
private JTT808Parser parser = new JTT808Parser();
public JTT808Protocol(String terminalPhone, String serverIp, int serverPort) {
this.terminalPhone = terminalPhone;
this.serverIp = serverIp;
this.serverPort = serverPort;
}
/**
* 连接到服务器
*/
public void connect() throws IOException {
socket = new Socket(serverIp, serverPort);
System.out.println("已连接到服务器: " + serverIp + ":" + serverPort);
}
/**
* 断开与服务器的连接
*/
public void disconnect() {
try {
if (socket != null && !socket.isClosed()) {
socket.close();
System.out.println("已断开与服务器的连接");
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 终端注册
*/
public void register() throws IOException {
// 构建注册消息体
ByteArrayOutputStream msgBody = new ByteArrayOutputStream();
// 省域ID(2字节)
msgBody.write(0x00);
msgBody.write(0x01);
// 市县域ID(2字节)
msgBody.write(0x00);
msgBody.write(0x01);
// 制造商ID(5字节)
msgBody.write("TEST1".getBytes(StandardCharsets.UTF_8));
// 终端型号(20字节)
byte[] model = "TEST_MODEL".getBytes(StandardCharsets.UTF_8);
msgBody.write(model);
for (int i = model.length; i < 20; i++) {
msgBody.write(0x00);
}
// 终端ID
byte[] terminalId = terminalPhone.getBytes(StandardCharsets.UTF_8);
msgBody.write(terminalId);
for (int i = terminalId.length; i < 7; i++) {
msgBody.write(0x00);
}
// 发送注册消息
sendMessage(MSG_ID_TERMINAL_REGISTER, msgBody.toByteArray());
// 接收注册应答
byte[] response = receiveMessage();
if (response != null) {
int msgId = ((response[1] & 0xFF) << 8) | (response[2] & 0xFF);
if (msgId == 0x8100) { // 注册应答
int result = response[10] & 0xFF;
if (result == 0) { // 成功
int authCodeLen = response.length - 11;
byte[] authCodeBytes = Arrays.copyOfRange(response, 11, 11 + authCodeLen);
String authCode = new String(authCodeBytes, StandardCharsets.UTF_8);
System.out.println("注册成功,鉴权码: " + authCode);
// 发送鉴权消息
authenticate(authCode);
} else {
System.out.println("注册失败,错误码: " + result);
}
}
}
}
/**
* 终端鉴权
*/
public void authenticate(String authCode) throws IOException {
// 发送鉴权消息
sendMessage(MSG_ID_TERMINAL_AUTH, authCode.getBytes(StandardCharsets.UTF_8));
// 接收鉴权应答
byte[] response = receiveMessage();
if (response != null) {
int msgId = ((response[1] & 0xFF) << 8) | (response[2] & 0xFF);
if (msgId == 0x8001) { // 通用应答
int replyFlowId = ((response[3] & 0xFF) << 8) | (response[4] & 0xFF);
int replyMsgId = ((response[5] & 0xFF) << 8) | (response[6] & 0xFF);
int result = response[7] & 0xFF;
if (replyMsgId == MSG_ID_TERMINAL_AUTH && result == 0) {
System.out.println("鉴权成功");
// 发送心跳
sendHeartbeat();
//发送定位请求
//requestLocation();
// 开始接收定位信息
startReceivingLocation();
} else {
System.out.println("鉴权失败,错误码: " + result);
}
}
}
}
/**
* 发送心跳
*/
public void sendHeartbeat() throws IOException {
// 心跳消息体为空
sendMessage(MSG_ID_TERMINAL_HEARTBEAT, new byte[0]);
System.out.println("发送心跳消息");
}
/**
* 发送位置信息请求
*/
public void requestLocation() throws IOException {
// 构建位置信息请求消息体(实际应用中可能不需要请求终端会主动上报)
sendMessage(MSG_ID_TERMINAL_LOCATION, new byte[0]);
System.out.println("发送位置信息请求");
}
/**
* 开始接收定位信息
*/
public void startReceivingLocation() {
new Thread(() -> {
try {
while (socket != null && !socket.isClosed()) {
byte[] response = receiveMessage();
if (response != null) {
int msgId = ((response[1] & 0xFF) << 8) | (response[2] & 0xFF);
if (msgId == MSG_ID_TERMINAL_LOCATION) {
// 解析位置信息
int bodyOffset = 13; // 消息头长度
int bodyLength = response.length - bodyOffset - 1; // 减去标识位和校验码
byte[] locationData = Arrays.copyOfRange(response, bodyOffset, bodyOffset + bodyLength);
JTT808Parser.LocationInfo locationInfo = parser.parseLocationData(locationData);
System.out.println("收到位置信息:");
System.out.printf("时间: %s, 经纬度: %.6f, %.6f, 速度: %.1fkm/h%n",
locationInfo.getLocationTime(),
locationInfo.getLatitude(),
locationInfo.getLongitude(),
locationInfo.getSpeed());
// 发送位置信息接收应答
sendGeneralAck(flowId - 1, MSG_ID_TERMINAL_LOCATION, 0);
} else if (msgId == MSG_ID_PLATFORM_GENERAL_ACK) {
System.out.println("收到平台通用应答");
}
}
}
} catch (Exception e) {
System.out.println("接收消息出错: " + e.getMessage());
}
}).start();
}
/**
* 发送通用应答
*/
private void sendGeneralAck(int flowId, int msgId, int result) throws IOException {
ByteArrayOutputStream msgBody = new ByteArrayOutputStream();
// 应答流水号
msgBody.write((flowId >> 8) & 0xFF);
msgBody.write(flowId & 0xFF);
// 应答消息ID
msgBody.write((msgId >> 8) & 0xFF);
msgBody.write(msgId & 0xFF);
// 结果
msgBody.write(result);
sendMessage(MSG_ID_PLATFORM_GENERAL_ACK, msgBody.toByteArray());
}
/**
* 发送消息
*/
private void sendMessage(int msgId, byte[] msgBody) throws IOException {
if (socket == null || socket.isClosed()) {
throw new IOException("未连接到服务器");
}
// 构建消息头
ByteArrayOutputStream header = new ByteArrayOutputStream();
// 消息ID
header.write((msgId >> 8) & 0xFF);
header.write(msgId & 0xFF);
// 消息体属性
int bodyLength = msgBody.length;
int property = bodyLength & 0x03FF; // 消息体长度(10位)
header.write((property >> 8) & 0xFF);
header.write(property & 0xFF);
// 终端手机号
byte[] phoneBytes = terminalPhone.getBytes(StandardCharsets.UTF_8);
for (int i = 0; i < 12 - phoneBytes.length; i++) {
header.write(0x30); // 补0(ASCII码48)
}
header.write(phoneBytes);
// 流水号
header.write((flowId >> 8) & 0xFF);
header.write(flowId & 0xFF);
flowId = (flowId + 1) % 65536;
// 构建完整消息
ByteArrayOutputStream fullMessage = new ByteArrayOutputStream();
// 标识位
fullMessage.write(0x7E);
// 消息头
fullMessage.write(header.toByteArray());
// 消息体
fullMessage.write(msgBody);
// 校验码
byte checksum = calculateChecksum(fullMessage.toByteArray(), 1, fullMessage.size());
fullMessage.write(checksum);
// 标识位
fullMessage.write(0x7E);
// 转义处理
byte[] escapedMessage = escapeMessage(fullMessage.toByteArray());
// 发送消息
OutputStream out = socket.getOutputStream();
out.write(escapedMessage);
out.flush();
}
/**
* 接收消息
*/
private byte[] receiveMessage() throws IOException {
if (socket == null || socket.isClosed()) {
throw new IOException("未连接到服务器");
}
InputStream in = socket.getInputStream();
// 查找起始标识位
int b;
while ((b = in.read()) != -1) {
if (b == 0x7E) {
break;
}
}
if (b == -1) {
System.out.println("连接已关闭");
return null; // 连接已关闭
}
// 读取消息内容(直到下一个标识位)
ByteArrayOutputStream message = new ByteArrayOutputStream();
message.write(0x7E);
boolean escaped = false;
while ((b = in.read()) != -1) {
if (escaped) {
if (b == 0x01) {
message.write(0x7D);
} else if (b == 0x02) {
message.write(0x7E);
} else {
message.write(b); // 不合法的转义按原始数据处理
}
escaped = false;
} else {
if (b == 0x7D) {
escaped = true;
} else if (b == 0x7E) {
message.write(b);
break; // 结束标识位
} else {
message.write(b);
}
}
}
System.out.println("返回信息"+message.toString());
if (message.size() < 5) { // 至少需要标识位+消息头(4字节)+校验码+标识位
return null;
}
byte[] msgBytes = message.toByteArray();
// 校验校验码
int dataLength = msgBytes.length - 3; // 减去前后两个标识位和最后一个字节的校验码
byte checksum = calculateChecksum(msgBytes, 1, dataLength + 1);
if (checksum != msgBytes[dataLength + 1]) {
System.out.println("校验码错误");
return null;
}
return msgBytes;
}
/**
* 计算校验码
*/
private byte calculateChecksum(byte[] data, int start, int length) {
byte checksum = 0;
System.out.print("长度{}"+data.length);
if (data.length<1){
return checksum;
}
for (int i = start; i < length; i++) {
checksum ^= data[i];
}
return checksum;
}
/**
* 消息转义处理
*/
private byte[] escapeMessage(byte[] data) {
ByteArrayOutputStream escaped = new ByteArrayOutputStream();
for (int i = 0; i < data.length; i++) {
if (data[i] == 0x7E) {
escaped.write(0x7D);
escaped.write(0x02);
} else if (data[i] == 0x7D) {
escaped.write(0x7D);
escaped.write(0x01);
} else {
escaped.write(data[i]);
}
}
return escaped.toByteArray();
}
public static void main(String[] args) {
try {
// 创建协议实例
JTT808Protocol protocol = new JTT808Protocol("868120322495257", "36.33.26.201", 21100);
// 连接服务器
protocol.connect();
// 注册终端
protocol.register();
// 等待一段时间后断开连接
Thread.sleep(60000);
protocol.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}