依赖
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.3.0</version>
</dependency>
工具类
package com.zp.haveplace.util;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.Job;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.quartz.impl.StdSchedulerFactory;
/**
* 定时任务工具类
* @author https://blog.csdn.net/xlxxcc/article/details/52115995
*/
public class QuartzManager {
private static SchedulerFactory schedulerFactory = new StdSchedulerFactory();
/**
* @Description: 添加一个定时任务
*
* @param jobName 任务名
* @param jobGroupName 任务组名
* @param triggerName 触发器名
* @param triggerGroupName 触发器组名
* @param jobClass 任务
* @param cron 时间设置,参考quartz说明文档
* @param needStart 是否需要立即启动,传入true则立即启动,而后才按照conn的值执行
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static void addJob(String jobName,
String jobGroupName,
String triggerName,
String triggerGroupName,
Class jobClass,
String cron,
boolean needStart) {
try {
Scheduler sched = schedulerFactory.getScheduler();
// 任务名,任务组,任务执行类
JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName, jobGroupName).build();
// 触发器
TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
// 触发器名,触发器组
triggerBuilder.withIdentity(triggerName, triggerGroupName);
triggerBuilder.startNow();
// 触发器时间设定
triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
// 创建Trigger对象
CronTrigger trigger = (CronTrigger) triggerBuilder.build();
// 调度容器设置JobDetail和Trigger
sched.scheduleJob(jobDetail, trigger);
// 启动
if (!sched.isShutdown()) {
if(needStart){
sched.triggerJob(trigger.getJobKey());//立即启动
}else{
sched.start();
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 修改一个任务的触发时间
*
* @param jobName
* @param jobGroupName
* @param triggerName 触发器名
* @param triggerGroupName 触发器组名
* @param cron 时间设置,参考quartz说明文档
*/
public static void modifyJobTime(String jobName,
String jobGroupName, String triggerName, String triggerGroupName, String cron) {
try {
Scheduler sched = schedulerFactory.getScheduler();
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
CronTrigger trigger = (CronTrigger) sched.getTrigger(triggerKey);
if (trigger == null) {
return;
}
String oldTime = trigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(cron)) {
/** 方式一 :调用 rescheduleJob 开始 */
// 触发器
TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
// 触发器名,触发器组
triggerBuilder.withIdentity(triggerName, triggerGroupName);
triggerBuilder.startNow();
// 触发器时间设定
triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
// 创建Trigger对象
trigger = (CronTrigger) triggerBuilder.build();
// 方式一 :修改一个任务的触发时间
sched.rescheduleJob(triggerKey, trigger);
/** 方式一 :调用 rescheduleJob 结束 */
/** 方式二:先删除,然后在创建一个新的Job */
//JobDetail jobDetail = sched.getJobDetail(JobKey.jobKey(jobName, jobGroupName));
//Class<? extends Job> jobClass = jobDetail.getJobClass();
//removeJob(jobName, jobGroupName, triggerName, triggerGroupName);
//addJob(jobName, jobGroupName, triggerName, triggerGroupName, jobClass, cron);
/** 方式二 :先删除,然后在创建一个新的Job */
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 移除一个任务
*
* @param jobName
* @param jobGroupName
* @param triggerName
* @param triggerGroupName
*/
public static void removeJob(String jobName, String jobGroupName,
String triggerName, String triggerGroupName) {
try {
Scheduler sched = schedulerFactory.getScheduler();
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
sched.pauseTrigger(triggerKey);// 停止触发器
sched.unscheduleJob(triggerKey);// 移除触发器
sched.deleteJob(JobKey.jobKey(jobName, jobGroupName));// 删除任务
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:启动所有定时任务
*/
public static void startJobs() {
try {
Scheduler sched = schedulerFactory.getScheduler();
sched.start();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:关闭所有定时任务
*/
public static void shutdownJobs() {
try {
Scheduler sched = schedulerFactory.getScheduler();
if (!sched.isShutdown()) {
sched.shutdown();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
建立任务
import com.zp.haveplace.bean.LoggerBean;
import com.zp.haveplace.bean.WechatBean;
import com.zp.haveplace.common.WechatURL;
import com.zp.haveplace.util.PropertiesUtil;
import com.zp.haveplace.util.QuartzManager;
import com.zp.haveplace.util.wechat.WechatUtil;
import org.quartz.*;
import java.io.IOException;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
/**
* 定时任务,获取微信token
*/
public class WechatTokenTask implements Job {
public static String TASK_CRON_DEFAULT = "0/10 * * * * ?";
public static String JOB_NAME = "WechatTokenTask";//任务名称
public static String TRIGGER_NAME = "WechatTokenTask.trigger";//动态任务触发器
public static String JOB_GROUP_NAME = "wechat";
public static String TRIGGER_GROUP_NAME = "WechatTokenTask.trigger_group";
/**
* 定时任务执行方法
* @param jobExecutionContext
*/
@Override
public void execute(JobExecutionContext jobExecutionContext){
}
}
开启任务
QuartzManager.addJob(WechatTokenTask.JOB_NAME,
WechatTokenTask.JOB_GROUP_NAME,
WechatTokenTask.TRIGGER_NAME,
WechatTokenTask.TRIGGER_GROUP_NAME,
WechatTokenTask.class,
WechatTokenTask.TASK_CRON_DEFAULT,
true);//立即启动
网友评论