目录

环境

说明 

application.properties

pom.xml

Controller Java

 验证

---

环境

        

Java	Java: graalvm-jdk-21
Springboot	3.3.1

说明 

     springboot3.x 打开虚拟线程非常简单，只需添加一行配置信息即可。

     spring.threads.virtual.enabled = true

application.properties

   

spring.threads.virtual.enabled = true

pom.xml

<?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"><modelVersion>4.0.0</modelVersion><groupId>org.example</groupId><artifactId>boot3-01-demo</artifactId><version>1.0-SNAPSHOT</version><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>3.3.1</version></parent><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency></dependencies><build><plugins><plugin><groupId>org.graalvm.buildtools</groupId><artifactId>native-maven-plugin</artifactId><extensions>true</extensions><executions><execution><id>build-native</id><goals><goal>compile-no-fork</goal></goals><phase>package</phase></execution><execution><id>test-native</id><goals><goal>test</goal></goals><phase>test</phase></execution></executions><configuration><imageName>${project.artifactId}</imageName><mainClass>com.hb.MyApplication</mainClass><buildArgs>--no-fallback</buildArgs><agent><enabled>true</enabled></agent></configuration></plugin><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><configuration><excludes><exclude><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></exclude></excludes></configuration></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>21</source><target>21</target></configuration></plugin></plugins></build></project>

Controller Java

package com.hb.controller;import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;@RestController
public class HelloWorldController {@GetMapping("/hello")public String hello() {System.out.printf("当前执行线程: %s%n", Thread.currentThread()) ;return "HELLO WORLD";}
}

 验证

访问： http://localhost:8080/hello

控制台输出：

当前执行线程: VirtualThread[#40,tomcat-handler-0]/runnable@ForkJoinPool-1-worker-1
当前执行线程: VirtualThread[#46,tomcat-handler-1]/runnable@ForkJoinPool-1-worker-1
当前执行线程: VirtualThread[#47,tomcat-handler-2]/runnable@ForkJoinPool-1-worker-1
当前执行线程: VirtualThread[#48,tomcat-handler-3]/runnable@ForkJoinPool-1-worker-1
当前执行线程: VirtualThread[#49,tomcat-handler-4]/runnable@ForkJoinPool-1-worker-1
当前执行线程: VirtualThread[#50,tomcat-handler-5]/runnable@ForkJoinPool-1-worker-1
当前执行线程: VirtualThread[#51,tomcat-handler-6]/runnable@ForkJoinPool-1-worker-1

 当设置成 spring.threads.virtual.enabled = false

当前执行线程: Thread[#37,http-nio-8080-exec-1,5,main]
当前执行线程: Thread[#39,http-nio-8080-exec-3,5,main]
当前执行线程: Thread[#38,http-nio-8080-exec-2,5,main]
当前执行线程: Thread[#40,http-nio-8080-exec-4,5,main]
当前执行线程: Thread[#41,http-nio-8080-exec-5,5,main]
当前执行线程: Thread[#42,http-nio-8080-exec-6,5,main]
当前执行线程: Thread[#43,http-nio-8080-exec-7,5,main]
当前执行线程: Thread[#44,http-nio-8080-exec-8,5,main]
当前执行线程: Thread[#45,http-nio-8080-exec-9,5,main]