<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.2</version>
<relativePath/>
</parent>
<groupId>com.hundsun</groupId>
<artifactId>springboot-async</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot-async</name>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
package com.hundsun.springbootasync.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
@Component
public class MainApp {
private Logger logger = LoggerFactory.getLogger(getClass());
@Async
public void asyncShow01() {
sleep();
logger.info("异步方法内部线程名称:{}", Thread.currentThread().getName());
}
public void syncShow02() {
sleep();
logger.info("同步方法内部线程名称:{}", Thread.currentThread().getName());
}
public void sleep() {
long number = 0;
for (long i = 0; i < 100000000; i++) {
number+=i;
}
logger.info("总和:{}",number);
}
}
package com.hundsun.springbootasync;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.scheduling.annotation.EnableAsync;
import com.hundsun.springbootasync.service.MainApp;
@EnableAsync // 开启异步支持
@SpringBootTest
class SpringbootAsyncApplicationTests {
private Logger logger = LoggerFactory.getLogger(this.getClass());
@Autowired
private MainApp mainApp;
@Test
void test01() {
long start = System.currentTimeMillis();
mainApp.asyncShow01();
long end = System.currentTimeMillis();
logger.info("总耗时:{} ms", end - start);
}
@Test
void test02() {
long start = System.currentTimeMillis();
mainApp.syncShow02();
long end = System.currentTimeMillis();
logger.info("总耗时:{} ms", end - start);
}
}