SpringBoot基于数据库的定时任务统一管理的实现
定时任务1
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import lombok.extern.slf4j.Slf4j; /** * @author Created by niugang on 2019/12/24/15:29 */ @Slf4j public class TaskTest { public void task1() { log.info("反射调用测试[一]类"); } }
定时任务2
import lombok.extern.slf4j.Slf4j; /** * @author Created by niugang on 2019/12/24/15:54 */ @Slf4j public class TaskTest2 { public void task2() { log.info("反射调用测试[二]类"); } }
配置类
import lombok.Data; import lombok.extern.slf4j.Slf4j; import org.springframework.context.annotation.Configuration; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.scheduling.annotation.SchedulingConfigurer; import org.springframework.scheduling.config.CronTask; import org.springframework.scheduling.config.ScheduledTask; import org.springframework.scheduling.config.ScheduledTaskRegistrar; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.List; /** * @author Created by niugang on 2019/12/24/15:19 */ @Configuration @EnableScheduling @Slf4j public class CompleteScheduleConfig implements SchedulingConfigurer { private static ListtaskRecordList = new ArrayList<>(); /* *模拟数据库存储 */ static { TaskRecord taskRecord = new TaskRecord(); taskRecord.setExecuteMehod("task1"); taskRecord.setClassPath("com.example.demo.pojo.TaskTest"); taskRecord.setCron("0/5 * * * * ?"); taskRecordList.add(taskRecord); TaskRecord taskRecord2 = new TaskRecord(); taskRecord2.setExecuteMehod("task2"); taskRecord2.setClassPath("com.example.demo.pojo.TaskTest2"); taskRecord2.setCron("0/10 * * * * ?"); taskRecordList.add(taskRecord2); } @Override public void configureTasks(ScheduledTaskRegistrar taskRegistrar) { // taskRegistrar.addCronTask(() -> log.info("执行定时任务,{}", LocalDateTime.now()), "0/5 * * * * ?"); /* taskRegistrar.addCronTask(new Runnable() { @Override public void run() { try { Class<?> aClass = Class.forName("com.example.demo.pojo.TaskTest"); Object o = aClass.newInstance(); Method[] declaredMethods = aClass.getDeclaredMethods(); for (Method declaredMethod : declaredMethods) { declaredMethod.invoke(o); // log.info("方法名称:{}",declaredMethod.getName()); } } catch (Exception e) { e.printStackTrace(); } } }, "0/5 * * * * ?");*/ for (TaskRecord taskRecord : taskRecordList) { String classPath = taskRecord.getClassPath(); String cron = taskRecord.getCron(); String executeMehod = taskRecord.getExecuteMehod(); Runnable runnable = () -> { Class<?> aClass; try { aClass = Class.forName(classPath); Object o = aClass.newInstance(); Method[] declaredMethods = aClass.getDeclaredMethods(); for (Method declaredMethod : declaredMethods) { if (declaredMethod.getName().equals(executeMehod)) { /// log.info("方法名称:{}",declaredMethod.getName()); declaredMethod.invoke(o); } } } catch (Exception e1) { e1.printStackTrace(); } }; CronTask cronTask = new CronTask(runnable, cron); ScheduledTask scheduledTask = taskRegistrar.scheduleCronTask(cronTask); //scheduledTask.cancel(); 取消定时任务 } } @Data private static class TaskRecord { private String classPath; private String executeMehod; private String cron; //可以在增加一个type 执行其他类型的定时任务 } }
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