snow-flake-id-generator

Author: progzc

snow-flake-id-generator/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>springcloud</artifactId>
+        <groupId>com.zcprog.springcloud</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>snow-flake-id-generator</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>4.6.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

snow-flake-id-generator/src/main/java/com/zcprog/boot/MainApp.java

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+package com.zcprog.boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @Description 主启动类
+ * @Author zhaochao
+ * @Date 2021/1/19 9:49
+ * @Email [email protected]
+ * @Version V1.0
+ */
+@SpringBootApplication
+public class MainApp {
+    public static void main(String[] args) {
+        SpringApplication.run(MainApp.class, args);
+    }
+}

snow-flake-id-generator/src/main/java/com/zcprog/boot/controller/OrderController.java

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+package com.zcprog.boot.controller;
+
+import com.zcprog.boot.service.OrderService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @Description 控制器
+ * @Author zhaochao
+ * @Date 2021/1/19 9:48
+ * @Email [email protected]
+ * @Version V1.0
+ */
+@RestController
+public class OrderController {
+
+    @Autowired
+    private OrderService orderService;
+
+    @RequestMapping(("/snowflake"))
+    public String index(){
+        return orderService.getIdBySnowFlake();
+    }
+}

snow-flake-id-generator/src/main/java/com/zcprog/boot/service/OrderService.java

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+package com.zcprog.boot.service;
+
+import com.zcprog.boot.util.IdGeneratorSnowflake;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ * @Description 服务类
+ * @Author zhaochao
+ * @Date 2021/1/19 9:48
+ * @Email [email protected]
+ * @Version V1.0
+ */
+@Service
+public class OrderService {
+    @Autowired
+    private IdGeneratorSnowflake idGenerator;
+
+    public String getIdBySnowFlake() {
+        ExecutorService threadPool = Executors.newFixedThreadPool(5);
+        for (int i = 1; i <= 20; i++) {
+            threadPool.submit(()->{
+                System.out.println(idGenerator.snowflakeId());
+            });
+        }
+        threadPool.shutdown();
+        return "hello snowflake";
+    }
+}

snow-flake-id-generator/src/main/resources/application.yml

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+server:
+  port: 7777