· AsyncConfig
1 package com.miaoshaProject.async; 2 3 import org.springframework.context.annotation.Bean; 4 import org.springframework.context.annotation.Configuration; 5 import org.springframework.scheduling.annotation.Async; 6 import org.springframework.scheduling.annotation.EnableAsync; 7 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; 8 9 import java.util.concurrent.Executor; 10 11 /** 12 * @Author wangshuo 13 * @Date 2022/5/4, 18:39 14 * 异步配置类 15 */ 16 @Configuration 17 @EnableAsync 18 public class AsyncConfig { 19 20 /* 21 *此处成员变量应该使用@Value从配置中读取 22 */ 23 private int corePoolSize = 10; 24 private int maxPoolSize = 200; 25 private int queueCapacity = 10; 26 27 @Bean 28 public Executor taskExecutor() { 29 ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); 30 executor.setCorePoolSize(corePoolSize); 31 executor.setMaxPoolSize(maxPoolSize); 32 executor.setQueueCapacity(queueCapacity); 33 executor.initialize(); 34 return executor; 35 } 36 37 }
· 定时器服务
1 package com.miaoshaProject.async; 2 3 import lombok.extern.slf4j.Slf4j; 4 import org.springframework.scheduling.annotation.Async; 5 import org.springframework.scheduling.annotation.Scheduled; 6 import org.springframework.stereotype.Component; 7 8 /** 9 * @Author wangshuo 10 * @Date 2022/5/4, 18:37 11 * 定时器服务 12 */ 13 @Slf4j 14 @Component 15 @Async 16 public class ScheduledService { 17 18 //@Scheduled(cron = "0/5 * * * * *") 19 public void scheduled(){ 20 //log.info("=====>>>>>使用cron {}",System.currentTimeMillis()); 21 } 22 23 //@Scheduled(fixedRate = 5000) 24 public void scheduled1() { 25 //log.info("=====>>>>>使用fixedRate{}", System.currentTimeMillis()); 26 } 27 28 //@Scheduled(fixedDelay = 5000) 29 public void scheduled2() { 30 //log.info("=====>>>>>fixedDelay{}",System.currentTimeMillis()); 31 } 32 33 }
· pom.xml
<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.16</version> <scope>provided</scope> </dependency>
本文来自博客园,作者:荣慕平,转载请注明原文链接:https://www.cnblogs.com/rongmuping/articles/16222345.html