SpringBoot实现动态控制定时任务支持多参数功能

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
/**
 * @program: simple-demo
 * @description: 定时任务配置类
 * @author: CaoTing
 * @date: 2019/5/23
 **/
@Configuration
public class SchedulingConfig {
  @Bean
  public TaskScheduler taskScheduler() {
    ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    // 定时任务执行线程池核心线程数
    taskScheduler.setPoolSize(4);
    taskScheduler.setRemoveOnCancelPolicy(true);
    taskScheduler.setThreadNamePrefix("TaskSchedulerThreadPool-");
    return taskScheduler;
  }
}

import com.caotinging.demo.task.ScheduledTask;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.config.CronTask;
import org.springframework.stereotype.Component;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
 * @program: simple-demo
 * @description: 添加定时任务注册类，用来增加、删除定时任务。
 * @author: CaoTing
 * @date: 2019/5/23
 **/
@Component
public class CronTaskRegistrar implements DisposableBean {
  private final Map<Runnable, ScheduledTask> scheduledTasks = new ConcurrentHashMap<>(16);
  @Autowired
  private TaskScheduler taskScheduler;
  public TaskScheduler getScheduler() {
    return this.taskScheduler;
  }
  /**
   * 新增定时任务
   * @param task
   * @param cronExpression
   */
  public void addCronTask(Runnable task, String cronExpression) {
    addCronTask(new CronTask(task, cronExpression));
  }
  public void addCronTask(CronTask cronTask) {
    if (cronTask != null) {
      Runnable task = cronTask.getRunnable();
      if (this.scheduledTasks.containsKey(task)) {
        removeCronTask(task);
      }
      this.scheduledTasks.put(task, scheduleCronTask(cronTask));
    }
  }
  /**
   * 移除定时任务
   * @param task
   */
  public void removeCronTask(Runnable task) {
    ScheduledTask scheduledTask = this.scheduledTasks.remove(task);
    if (scheduledTask != null)
      scheduledTask.cancel();
  }
  public ScheduledTask scheduleCronTask(CronTask cronTask) {
    ScheduledTask scheduledTask = new ScheduledTask();
    scheduledTask.future = this.taskScheduler.schedule(cronTask.getRunnable(), cronTask.getTrigger());
    return scheduledTask;
  }
  @Override
  public void destroy() {
    for (ScheduledTask task : this.scheduledTasks.values()) {
      task.cancel();
    }
    this.scheduledTasks.clear();
  }
}

import com.caotinging.demo.utils.SpringContextUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.ReflectionUtils;
import java.lang.reflect.Method;
import java.util.Objects;
/**
 * @program: simple-demo
 * @description: 定时任务运行类
 * @author: CaoTing
 * @date: 2019/5/23
 **/
public class SchedulingRunnable implements Runnable {
  private static final Logger logger = LoggerFactory.getLogger(SchedulingRunnable.class);
  private String beanName;
  private String methodName;
  private Object[] params;
  public SchedulingRunnable(String beanName, String methodName) {
    this(beanName, methodName, null);
  }
  public SchedulingRunnable(String beanName, String methodName, Object...params ) {
    this.beanName = beanName;
    this.methodName = methodName;
    this.params = params;
  }
  @Override
  public void run() {
    logger.info("定时任务开始执行 - bean：{}，方法：{}，参数：{}", beanName, methodName, params);
    long startTime = System.currentTimeMillis();
    try {
      Object target = SpringContextUtils.getBean(beanName);
      <mark>本文来源gaodaimacom搞#^代%!码&网(</mark>Method method = null;
      if (null != params && params.length > 0) {
        Class<?>[] paramCls = new Class[params.length];
        for (int i = 0; i < params.length; i++) {
          paramCls[i] = params[i].getClass();
        }
        method = target.getClass().getDeclaredMethod(methodName, paramCls);
      } else {
        method = target.getClass().getDeclaredMethod(methodName);
      }
      ReflectionUtils.makeAccessible(method);
      if (null != params && params.length > 0) {
        method.invoke(target, params);
      } else {
        method.invoke(target);
      }
    } catch (Exception ex) {
      logger.error(String.format("定时任务执行异常 - bean：%s，方法：%s，参数：%s ", beanName, methodName, params), ex);
    }
    long times = System.currentTimeMillis() - startTime;
    logger.info("定时任务执行结束 - bean：{}，方法：{}，参数：{}，耗时：{} 毫秒", beanName, methodName, params, times);
  }
  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    SchedulingRunnable that = (SchedulingRunnable) o;
    if (params == null) {
      return beanName.equals(that.beanName) &&
          methodName.equals(that.methodName) &&
          that.params == null;
    }
    return beanName.equals(that.beanName) &&
        methodName.equals(that.methodName) &&
        params.equals(that.params);
  }
  @Override
  public int hashCode() {
    if (params == null) {
      return Objects.hash(beanName, methodName);
    }
    return Objects.hash(beanName, methodName, params);
  }
}