Spring boot使用多线程过程步骤解析

package com.jmxf.core.config;

import java.util.concurrent.Executor;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

@Configuration
@EnableAsync // 启用异步任务
public class AsyncConfiguration {

  // 组件计算
  @Bean("zjExecutor")
  public Executor asyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    //核心线程数5：线程池创建时候初始化的线程数
    executor.setCorePoolSize(5);
    //最大线程数5：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
    executor.setMaxPoolSize(10);
    //缓冲队列500：用来缓冲执行任务的队列
    executor.setQueueCapacity(500);
    //允许线程的空闲时间60秒：当超过了核心线程出之外的线程在空闲时间到达之后会被销毁
    executor.setKeepAliveSeconds(60);
    //线程池名的前缀：设置好了之后可以方便我们定位处理任务所在的线程池
    executor.setThreadNamePrefix("DailyAsync-");
    executor.initialize();
    return executor;
  }
}

package com.jmxf.service.fkqManage.zj;


import org.springframework.scheduling.annotation.Async;

@Service
public class CentreZj {


  /**
   * 多线程执行 zj计算推数
   * @param fkqZj
   * @throws Exception
   */
  @Async("zjExecutor")
  public CompletableFuture<String> executeZj (FkqZj fkqZj) {
    if(fkqZj == null) return;
    String zjid = fkqZj.getZjid();
    FkqHdzjdm zjdm = getZjdm(zjid);
    String zjlj = zjdm.getZjlj();
    if(StringUtils.isBlank(zjlj)) return;
    Object bean = ApplicationContextProvider.getBean(zjlj);
    Method method;
    try {
      method = bean.getClass().getMethod("refresh",String.class);
      method.invoke(bean,zjid);
    } catch (Exception e) {
      e.printStackTrace();
    } 
  }
  return CompletableFuture.completedFuture(zjid);

}

List<CompletableFuture<String>> executeZjs = new ArrayList<>();
    for (FkqZj fkqZj : zjs) {
      CompletableFuture<String> executeZj = centreZj.executeZj(fkqZj);
      executeZjs.add(executeZj);
    }
    //等待所以子线程结束后 返回结果
    for (CompletableFuture<String> completableFuture : executeZjs) {
      CompletableFuture.allOf(completableFuture).join();
    }