Merge branch 'server_five_liuyunhu' into server_five_dongxiaodong

# Conflicts:
#	couplet-modules/couplet-modules-mq/src/main/java/com/couplet/mq/service/MqttListen.java
#	couplet-modules/couplet-modules-mq/src/main/resources/bootstrap.yml
#	couplet-modules/pom.xml
server_five_liuyunhu
dongxiaodong 2024-04-02 15:22:18 +08:00
commit 8d5e46108f
21 changed files with 656 additions and 167 deletions

View File

@ -33,7 +33,7 @@ public class RabbitMQConfig implements RabbitTemplate.ConfirmCallback, RabbitTem
public String exchangeName;
//路由键
@Value(("${mq.routingKey}"))
@Value("${mq.routingKey}")
public String routingKey;
private RabbitTemplate rabbitTemplate;
@ -69,7 +69,7 @@ public class RabbitMQConfig implements RabbitTemplate.ConfirmCallback, RabbitTem
* @Param: []
* @Return: DirectExchange
**/
@Bean("exchange")
@Bean
public DirectExchange directExchange() {
return new DirectExchange(exchangeName);
}

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@ -1,15 +1,13 @@
package com.couplet.mq.controller;
import com.couplet.common.core.utils.uuid.IdUtils;
import com.couplet.mq.config.RabbitMQConfig;
import com.couplet.mq.domain.User;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;
/**
* @ProjectName: five-groups-couplet
@ -21,17 +19,37 @@ import org.springframework.web.bind.annotation.RestController;
@RequestMapping("/mq")
@Slf4j
public class MqController {
// 通过注入的方式获取队列名、交换机名和路由键
//队列名
@Value("${mq.queueName}")
public String queueName;
//交换机
@Value("${mq.exchangeName}")
public String exchangeName;
//路由键
@Value("${mq.routingKey}")
public String routingKey;
@Autowired
private RabbitTemplate rabbitTemplate;
@GetMapping("/receive/{data}")
public void receive(@PathVariable("data") String data) {
//创建配置类对象,用于获取配置值
RabbitMQConfig config = new RabbitMQConfig();
rabbitTemplate.convertAndSend(config.exchangeName, config.routingKey, data , message -> {
/*
* @Author: LiuYunHu
* @Date: 2024/4/1 19:58
* @Description:
* @Param: [data]
* @Return: void
**/
@PostMapping("/sout")
//接收json字符串
public void sout(@RequestBody User param) {
rabbitTemplate.convertAndSend(exchangeName, routingKey, param, message -> {
message.getMessageProperties().setMessageId(IdUtils.randomUUID());
return message;
}, new CorrelationData(IdUtils.randomUUID()));
}, new CorrelationData(IdUtils.randomUUID())
);
}
}

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@ -1,14 +0,0 @@
package com.couplet.mq.domain;
import java.io.Serializable;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/3/29
* @Description:
*/
public class Test implements Serializable {
public String data;
}

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@ -0,0 +1,22 @@
package com.couplet.mq.domain;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description:
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class User {
private String name;
private Integer age;
private String sex;
}

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@ -1,5 +1,6 @@
package com.couplet.mq.service;
import com.couplet.mq.domain.User;
import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
@ -18,53 +19,146 @@ import java.util.concurrent.TimeUnit;
* @CreateTime: 2024/3/28
* @Description: MQ
*/
@RabbitListener(queues = "${mq.queueName}")
@Component
@Slf4j
@SuppressWarnings("all")
@RabbitListener(queues = "${mq.queueName}")
public class Consumer {
@Autowired
private StringRedisTemplate redisTemplate;
private StringRedisTemplate redis;
/* 线
//创建一个定长线程池
private final Executor executor = Executors.newFixedThreadPool(5);
@Async
@RabbitHandler
public void receive(String data, Channel channel, Message message) throws IOException {
log.info("消费者接受到数据:{}", data);
public void process(User param, Channel channel, Message message) {
executor.execute(() -> {
try {
handleMessage(param, channel, message);
} catch (IOException e) {
log.error("处理消息失败:{}", e);
}
});
}
//处理信息的方法
private void handleMessage(User param, Channel channel, Message message) throws IOException {
log.info("消费者收到消息为:{},{}" + param, message.getMessageProperties().getDeliveryTag());
//获取信息的标记
long deliveryTag = message.getMessageProperties().getDeliveryTag();
//获取到消息的id
String messageId = message.getMessageProperties().getMessageId();
Long add = redisTemplate.opsForSet().add("set:" + messageId, "set:" + messageId);
if (!redisTemplate.hasKey("value:" + messageId)) {
redisTemplate.opsForValue().set("value:" + messageId, String.valueOf(deliveryTag), 10, TimeUnit.MINUTES);
if (!redis.hasKey("value:" + messageId)) {
redis.opsForValue().set("value:" + messageId, "" + deliveryTag, 5, TimeUnit.MINUTES);
}
// 1 添加成功新数据 0已有重复值,不允许再添加
Long add = redis.opsForSet().add("set:" + messageId, "set:" + messageId);
//过期时间
redis.expire("set:" + messageId, 5, TimeUnit.MINUTES);
try {
if (add == 1) {
log.info("---------------消费者开始消费---------------");
//第一次 消费
System.out.println("*****************************");
System.out.println("消费者收到消息:" + param);
System.out.println("*****************************");
log.info("消费结束");
System.out.println(data);
channel.basicAck(deliveryTag, false);
log.info("---------------消费者结束消费---------------");
}else {
log.error("重复消费");
} else {
//重复消费
log.error("重复消费");
channel.basicReject(deliveryTag, false);
//删除缓存
redis.opsForSet().remove("set:" + messageId, "set:" + messageId);
}
} catch (IOException e) {
// throw new RuntimeException(e);
String s = redisTemplate.opsForValue().get("value:" + messageId);
} catch (Exception e) {
log.error("消息没有成功消费!");
String s = redis.opsForValue().get("value:" + messageId);
long oldTag = Long.parseLong(s);
if ((oldTag + 2) != deliveryTag) {
log.info("重新入队!");
channel.basicNack(deliveryTag, false, true);
}else {
log.error("三次无法消费,不再入队!");
if (deliveryTag == (oldTag + 2)) {
log.error("确实消费不了,不入队了!");
channel.basicNack(deliveryTag, false, false);
} else {
log.info("消息消费失败,重新入队");
channel.basicNack(deliveryTag, false, true);
}
}
}
**/
@RabbitHandler
public void process(User param, Channel channel, Message message) throws IOException {
log.info("消费者收到消息为:{},{}" + param, message.getMessageProperties().getDeliveryTag());
long deliveryTag = message.getMessageProperties().getDeliveryTag();
String messageId = message.getMessageProperties().getMessageId();
if (!redis.hasKey("value:" + messageId)) {
redis.opsForValue().set("value:" + messageId, "" + deliveryTag, 5, TimeUnit.MINUTES);
}
// 1 添加成功新数据 0已有重复值,不允许再添加
Long add = redis.opsForSet().add("set:" + messageId, "set:" + messageId);
//过期时间
redis.expire("set:" + messageId, 5, TimeUnit.MINUTES);
try {
if (add == 1) {
//第一次 消费
System.out.println("*****************************");
System.out.println("消费者收到消息:" + param);
System.out.println("*****************************");
log.info("消费结束");
//确认消费
channel.basicAck(deliveryTag, false);
} else {
//重复消费
log.error("重复消费");
//拒绝消费
channel.basicReject(deliveryTag, false);
//删除缓存
redis.opsForSet().remove("set:" + messageId, "set:" + messageId);
}
} catch (Exception e) {
log.error("消息没有成功消费!");
String s = redis.opsForValue().get("value:" + messageId);
long oldTag = Long.parseLong(s);
if (deliveryTag == (oldTag + 2)) {
log.error("确实消费不了,不入队了!");
//拒绝消费
channel.basicNack(deliveryTag, false, false);
} else {
log.info("消息消费失败,重新入队");
//重新入队
channel.basicNack(deliveryTag, false, true);
}
}
}
}

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@ -1,113 +0,0 @@
package com.couplet.mq.service;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringSerializer;
import org.eclipse.paho.client.mqttv3.*;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import java.util.Properties;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/3/28
* @Description: mqtt
*/
@Component
@Slf4j
public class MqttListen {
/*
*
* */
@Value("${mqtt.server.broker}")
private String BROKER;
/*
*
* */
@Value("${mqtt.server.topic}")
private String TOPIC;
/*
* id
* */
@Value("${mqtt.server.clientid}")
private String CLIENTID;
/*
*
* */
@Value("${mqtt.server.username}")
private String USERNAME;
/*
*
* */
@Value("${mqtt.server.password}")
private String PASSWORD;
/*
* qos
* */
@Value("${mqtt.server.qos}")
private Integer QOS;
@PostConstruct
public void connect() {
System.out.println("监听者启动");
try {
MqttClient client = new MqttClient(BROKER, CLIENTID, new MemoryPersistence());
MqttConnectOptions options = new MqttConnectOptions();
options.setUserName(USERNAME);
options.setPassword(PASSWORD.toCharArray());
//连接超时
options.setConnectionTimeout(60);
//心跳
options.setKeepAliveInterval(60);
log.info("连接到:"+BROKER);
client.connect(options);
log.info("连接成功");
//设置回调
client.setCallback(new MqttCallback() {
@Override
public void connectionLost(Throwable throwable) {
log.error("连接断开:" + throwable.getMessage());
}
@Override
public void messageArrived(String topic, MqttMessage message) {
log.info("消息到达");
log.info("接收消息主题:" + topic);
log.info("接收消息Qos" + message.getQos());
log.info("接收消息内容:" + new String(message.getPayload()));
}
@Override
public void deliveryComplete(IMqttDeliveryToken token) {
log.info("消息发送成功----------" + token.isComplete());
}
});
client.subscribe(TOPIC, QOS);
} catch (MqttException e) {
throw new RuntimeException(e);
}
}
}

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@ -0,0 +1,121 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>com.couplet</groupId>
<artifactId>couplet-modules</artifactId>
<version>3.6.3</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>couplet-modules-online</artifactId>
<!-- <properties>-->
<!-- <maven.compiler.source>17</maven.compiler.source>-->
<!-- <maven.compiler.target>17</maven.compiler.target>-->
<!-- <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>-->
<!-- </properties>-->
<description>
couplet-modules-online车辆上线的模块
</description>
<dependencies>
<!-- SpringCloud Alibaba Nacos -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<!-- SpringCloud Alibaba Nacos Config -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<!-- SpringCloud Alibaba Sentinel -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>
<!-- SpringBoot Actuator -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- Swagger UI -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${swagger.fox.version}</version>
</dependency>
<!-- Mysql Connector -->
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
</dependency>
<!-- MuYu Common DataSource -->
<dependency>
<groupId>com.couplet</groupId>
<artifactId>couplet-common-datasource</artifactId>
</dependency>
<!-- MuYu Common DataScope -->
<dependency>
<groupId>com.couplet</groupId>
<artifactId>couplet-common-datascope</artifactId>
</dependency>
<!-- MuYu Common Log -->
<dependency>
<groupId>com.couplet</groupId>
<artifactId>couplet-common-log</artifactId>
</dependency>
<!-- MuYu Common Swagger -->
<dependency>
<groupId>com.couplet</groupId>
<artifactId>couplet-common-swagger</artifactId>
</dependency>
<!-- mqttx依赖 -->
<dependency>
<groupId>org.eclipse.paho</groupId>
<artifactId>org.eclipse.paho.client.mqttv3</artifactId>
<version>1.2.5</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- 加入maven deploy插件当在deploy时忽略些model-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
</plugins>
</build>
</project>

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@ -0,0 +1,25 @@
package com.couplet.online;
import com.couplet.common.security.annotation.EnableCustomConfig;
import com.couplet.common.security.annotation.EnableMyFeignClients;
import com.couplet.common.swagger.annotation.EnableCustomSwagger2;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* @ProjectName: Default (Template) Project
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description: 线
*/
@EnableCustomConfig
@EnableCustomSwagger2
@EnableMyFeignClients
@SpringBootApplication
public class OnlineApplication {
public static void main(String[] args) {
SpringApplication.run(OnlineApplication.class);
System.out.println("车辆上线模块启动成功");
}
}

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@ -0,0 +1,16 @@
package com.couplet.online.controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description: 线
*/
@RestController
@RequestMapping("/online")
public class OnlineController {
}

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@ -0,0 +1,16 @@
package com.couplet.online.mapper;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Component;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description: 线mapper
*/
@Mapper
@Component
public interface OnlineMapper {
}

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@ -0,0 +1,11 @@
package com.couplet.online.service;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description:
*/
public interface OnlineService {
}

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@ -0,0 +1,16 @@
package com.couplet.online.service.impl;
import com.couplet.online.service.OnlineService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description: 线service
*/
@Service
@Slf4j
public class OnlineServiceImpl implements OnlineService {
}

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@ -0,0 +1,123 @@
package com.couplet.online.utils;
import lombok.extern.slf4j.Slf4j;
import org.eclipse.paho.client.mqttv3.*;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
/**
* @ProjectName: five-groups-couplet
* @Author: LiuYunHu
* @CreateTime: 2024/4/1
* @Description: mqtt
*/
@Component
@Slf4j
public class MqttMonitor {
/*
*
* */
@Value("${mqtt.server.broker}")
private String broker;
/*
*
* */
@Value("${mqtt.server.topic}")
private String topic;
/*
* id
* */
@Value("${mqtt.server.clientId}")
private String clientId;
/*
*
* */
@Value("${mqtt.server.username}")
private String userName;
/*
*
* */
@Value("${mqtt.server.password}")
private String password;
/*
* qos
* */
@Value("${mqtt.server.qos}")
private Integer qos;
//随项目启动而执行这个方法
@PostConstruct
public void connect() {
log.info("mqtt监听者启动");
try {
MqttClient client = new MqttClient(broker, clientId, new MemoryPersistence());
MqttConnectOptions options = new MqttConnectOptions();
options.setUserName(userName);
options.setPassword(password.toCharArray());
//连接超时
options.setConnectionTimeout(10);
//心跳时间
options.setKeepAliveInterval(60);
log.info("mqtt监听者启动成功连接到{}", broker);
client.connect(options);
log.info("连接成功!");
//设置回调
client.setCallback(new MqttCallback() {
@Override
public void connectionLost(Throwable throwable) {
log.error("连接丢失:{}", throwable.getMessage());
}
@Override
public void messageArrived(String topic, MqttMessage mqttMessage) {
// log.info("消息已送达");
// log.info("接收消息主题:{}",topic);
// log.info("接收消息qos{}", mqttMessage.getQos());
//接收到的原始报文
String message = new String(mqttMessage.getPayload());
log.info("接收消息原始内容:{}", message);
//去除空格 得到16进制字符串
String replaced = message.replaceAll(" ", "");
log.info("接收消息剪切后内容:{}", replaced);
}
@Override
public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {
log.info("消息发送成功!");
}
});
client.subscribe(topic, qos);
} catch (MqttException e) {
log.error("mqtt监听者启动失败{}", e.getMessage());
throw new RuntimeException(e);
}
}
}

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@ -0,0 +1,10 @@
Spring Boot Version: ${spring-boot.version}
Spring Application Name: ${spring.application.name}
_______ _ _ _________ _ _______
( ___ )( ( /|( \ \__ __/( ( /|( ____ \
| ( ) || \ ( || ( ) ( | \ ( || ( \/
| | | || \ | || | | | | \ | || (__
| | | || (\ \) || | | | | (\ \) || __)
| | | || | \ || | | | | | \ || (
| (___) || ) \ || (____/\___) (___| ) \ || (____/\
(_______)|/ )_)(_______/\_______/|/ )_)(_______/

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@ -0,0 +1,43 @@
# Tomcat
server:
port: 9616
# Spring
spring:
application:
# 应用名称
name: couplet-online
profiles:
# 环境配置
active: dev
cloud:
nacos:
discovery:
# 服务注册地址
server-addr: 121.89.211.230:8848
namespace: 172469
config:
# 配置中心地址
server-addr: 121.89.211.230:8848
namespace: 172469
# 配置文件格式
file-extension: yml
# 共享配置
shared-configs:
- application-${spring.profiles.active}.${spring.cloud.nacos.config.file-extension}
main:
allow-bean-definition-overriding: true
logging:
level:
com.couplet.system.mapper: DEBUG
# 订阅端配置
mqtt:
server:
broker: tcp://115.159.47.13:1883
username:
password:
clientId: lyh
qos: 0
topic: test

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@ -0,0 +1,74 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
<!-- 日志存放路径 -->
<property name="log.path" value="logs/couplet-system"/>
<!-- 日志输出格式 -->
<property name="log.pattern" value="%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %msg%n"/>
<!-- 控制台输出 -->
<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
</appender>
<!-- 系统日志输出 -->
<appender name="file_info" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/info.log</file>
<!-- 循环政策:基于时间创建日志文件 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/info.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大的历史 60天 -->
<maxHistory>60</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!-- 过滤的级别 -->
<level>INFO</level>
<!-- 匹配时的操作:接收(记录) -->
<onMatch>ACCEPT</onMatch>
<!-- 不匹配时的操作:拒绝(不记录) -->
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<appender name="file_error" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/error.log</file>
<!-- 循环政策:基于时间创建日志文件 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/error.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大的历史 60天 -->
<maxHistory>60</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!-- 过滤的级别 -->
<level>ERROR</level>
<!-- 匹配时的操作:接收(记录) -->
<onMatch>ACCEPT</onMatch>
<!-- 不匹配时的操作:拒绝(不记录) -->
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<!-- 系统模块日志级别控制 -->
<logger name="com.couplet" level="info"/>
<!-- Spring日志级别控制 -->
<logger name="org.springframework" level="warn"/>
<root level="info">
<appender-ref ref="console"/>
</root>
<!--系统操作日志-->
<root level="info">
<appender-ref ref="file_info"/>
<appender-ref ref="file_error"/>
</root>
</configuration>

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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.couplet.online.mapper.OnlineMapper">
</mapper>

View File

@ -190,7 +190,11 @@ public class VehicleServiceImpl extends ServiceImpl<VehicleMapper, Vehicle> impl
//雪花算法生成随机数
SnowflakeIdGenerator idGenerator = new SnowflakeIdGenerator(1, 1);
long randomId = idGenerator.nextId();
String vin = "VIN" + randomId;
//转成字符串,便于切割
String vin = "" + randomId;
//切割只留后17位
vin = vin.substring(vin.length() - 17);
//创建入参对象

View File

@ -14,7 +14,20 @@ public class IdTest {
SnowflakeIdGenerator idGenerator = new SnowflakeIdGenerator(1, 1);
long l = idGenerator.nextId();
String s = "VIN" + l;
System.out.println(l);
System.out.println(s);
System.out.println("剪切前长度:" + s.length());
String last17 = s.substring(s.length() - 17);
System.out.println("剪切后:"+last17+" 长度:"+last17.length());
System.out.println("----------------------");
String s1 = "1224069209961664512";
String substring = s1.substring(s1.length() - 17);
System.out.println(substring);
}
}

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@ -18,6 +18,7 @@
<module>couplet-modules-vehicle</module>
<module>couplet-modules-mq</module>
<module>couplet-enterprisemanagement</module>
<module>couplet-modules-onLine</module>
<module>couplet-analyze</module>
</modules>