scheduler定時排程系統是大多行業項目都需要的,傳統的spring-job模式,個人感覺已經out了,因為存在很多的問題,特别是定時排程的追加、修改、删除等,需要修改xml,xml的配置生效無非是熱部署灰階釋出方案或者直接停止、重新開機伺服器,完全不能做到自動啟動、修複方式。
提醒:可以對應用進行叢集部署,在對定時排程配置時可以使用叢集方式或者單邊配置應用方式,今天講解的是使用spring4+scheduler實作定時排程,閑話少說,直接把步驟記錄下來:
1. 在項目的pom.xml檔案中引入quartz的jar包,如下:
Java代碼
<!-- quartz定時排程 -->
lt;dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>1.8.5</version>
lt;/dependency>
2. 定義quartz的配置檔案spring-context-quartz.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"
default-lazy-init="false">
<!-- 排程器 -->
<bean name="scheduler" class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<!-- 通過applicationContextSchedulerContextKey屬性配置spring上下文 -->
<property name="applicationContextSchedulerContextKey" value="applicationContext" />
</bean>
<!--加載資料庫任務-->
<bean id="jobService" class="com.ml.honghu.job.service.JobService" init-method="loadJob" />
</beans>
3. 在項目的web.xml檔案中引入spring-context-quartz.xml配置檔案
classpath*:spring-context-quartz.xml
4. 定義job實體對象
public class Job{
private static final long serialVersionUID = 1L;
/**
* 任務執行周期cron表達式
*/
public static int EXECYCLE_CRON = 2;
* 任務執行周期自定義
public static int EXECYCLE_DEFINE = 1;
* 執行周期-分鐘
public static int EXECYCLE_MINUTE = 1;
* 執行周期-小時
public static int EXECYCLE_HOUR = 2;
* 執行周期-日
public static int EXECYCLE_DAY = 3;
* 執行周期-月
public static int EXECYCLE_WEEK = 4;
public static int EXECYCLE_MONTH = 5;
private String jobType; // 任務類型(1首頁靜态化、2欄目頁靜态化、3内容頁靜态化、4采集、5分發)
private String jobName; // 任務名稱
private String jobClass; // 任務類
private String execycle; // 執行周期分類(1非表達式 2 cron表達式)
private String dayOfMonth; // 每月的哪天
private String dayOfWeek; // 周幾
private String hour; // 小時
private String minute; // 分鐘
private String intervalHour; // 間隔小時
private String intervalMinute; // 間隔分鐘
private String jobIntervalUnit; // 1分鐘、2小時、3日、4周、5月
private String cronExpression; // 規則表達式
private String isEnable; // 是否啟用
public Job() {
super();
}
public Job(String id){
super(id);
@Length(min=1, max=1, message="任務類型(1首頁靜态化、2欄目頁靜态化、3内容頁靜态化、4采集、5分發)長度必須介于 1 和 1 之間")
public String getJobType() {
return jobType;
public void setJobType(String jobType) {
this.jobType = jobType;
@Length(min=1, max=255, message="任務名稱長度必須介于 1 和 255 之間")
public String getJobName() {
return jobName;
public void setJobName(String jobName) {
this.jobName = jobName;
@Length(min=1, max=255, message="任務類長度必須介于 1 和 255 之間")
public String getJobClass() {
return jobClass;
public void setJobClass(String jobClass) {
this.jobClass = jobClass;
@Length(min=1, max=1, message="執行周期分類(1非表達式 2 cron表達式)長度必須介于 1 和 1 之間")
public String getExecycle() {
return execycle;
public void setExecycle(String execycle) {
this.execycle = execycle;
@Length(min=0, max=11, message="每月的哪天長度必須介于 0 和 11 之間")
public String getDayOfMonth() {
return dayOfMonth;
public void setDayOfMonth(String dayOfMonth) {
this.dayOfMonth = dayOfMonth;
@Length(min=0, max=1, message="周幾長度必須介于 0 和 1 之間")
public String getDayOfWeek() {
return dayOfWeek;
public void setDayOfWeek(String dayOfWeek) {
this.dayOfWeek = dayOfWeek;
@Length(min=0, max=11, message="小時長度必須介于 0 和 11 之間")
public String getHour() {
return hour;
public void setHour(String hour) {
this.hour = hour;
@Length(min=0, max=11, message="分鐘長度必須介于 0 和 11 之間")
public String getMinute() {
return minute;
public void setMinute(String minute) {
this.minute = minute;
@Length(min=0, max=11, message="間隔小時長度必須介于 0 和 11 之間")
public String getIntervalHour() {
return intervalHour;
public void setIntervalHour(String intervalHour) {
this.intervalHour = intervalHour;
@Length(min=0, max=11, message="間隔分鐘長度必須介于 0 和 11 之間")
public String getIntervalMinute() {
return intervalMinute;
public void setIntervalMinute(String intervalMinute) {
this.intervalMinute = intervalMinute;
@Length(min=0, max=1, message="1分鐘、2小時、3日、4周、5月長度必須介于 0 和 1 之間")
public String getJobIntervalUnit() {
return jobIntervalUnit;
public void setJobIntervalUnit(String jobIntervalUnit) {
this.jobIntervalUnit = jobIntervalUnit;
@Length(min=0, max=255, message="規則表達式長度必須介于 0 和 255 之間")
public String getCronExpression() {
return cronExpression;
public void setCronExpression(String cronExpression) {
this.cronExpression = cronExpression;
@Length(min=1, max=1, message="是否啟用長度必須介于 1 和 1 之間")
public String getIsEnable() {
return isEnable;
public void setIsEnable(String isEnable) {
this.isEnable = isEnable;
}
}
5. 編寫quartz的jobServvice類:
package com.ml.honghu.job.service;
import java.text.ParseException;
import java.util.List;
import java.util.UUID;
import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.ml.honghu.StringUtils;
import com.ml.honghu.common.persistence.Page;
import com.ml.honghu.common.service.CrudService;
import com.ml.honghu.job.dao.JobDao;
import com.ml.honghu.job.entity.Job;
/**
* 定時排程任務Service
*
* @author honghu
*/
@Service
@Transactional(readOnly = true)
public class JobService extends CrudService<JobDao, Job> {
@Autowired
private JobDao jobDao;
private Logger logger = LoggerFactory.getLogger(getClass());
public Job get(String id) {
return super.get(id);
public List<Job> findList(Job job) {
return super.findList(job);
public Page<Job> findPage(Page<Job> page, Job job) {
return super.findPage(page, job);
@Transactional(readOnly = false)
public void save(Job job) {
super.save(job);
// 啟用則啟動任務
if (StringUtils.equals("1", job.getIsEnable())) {
startTask(job, job.getId());
}
public void update(Job job) {
//結束定時排程
endTask(job.getId());
job.preUpdate();
jobDao.update(job);
public void delete(Job job) {
//結束任務
super.delete(job);
* 系統初始加載任務
public void loadJob() throws Exception {
List<Job> jobList = this.findList(new Job());
if (null != jobList && jobList.size() > 0) {
for (int i = 0; i < jobList.size(); i++) {
Job job = jobList.get(i);
// 任務開啟狀态 執行任務排程
if (StringUtils.equals("1", job.getIsEnable())) {
try {
JobDetail jobDetail = new JobDetail();
// 設定任務名稱
if (StringUtils.isNotBlank(job.getId())) {
jobDetail.setName(job.getId());
} else {
UUID uuid = UUID.randomUUID();
jobDetail.setName(uuid.toString());
job.setId(uuid.toString());
}
jobDetail.setGroup(Scheduler.DEFAULT_GROUP);
// 設定任務執行類
jobDetail.setJobClass(getClassByTask(job.getJobClass()));
// 添加任務參數
CronTrigger cronTrigger = new CronTrigger("cron_" + i, Scheduler.DEFAULT_GROUP,
jobDetail.getName(), Scheduler.DEFAULT_GROUP);
cronTrigger.setCronExpression(getCronExpressionFromDB(job.getId()));
// 排程任務
scheduler.scheduleJob(jobDetail, cronTrigger);
} catch (SchedulerException e) {
logger.error("JobService SchedulerException", e);
} catch (ClassNotFoundException e) {
logger.error("JobService ClassNotFoundException", e);
} catch (Exception e) {
logger.error("JobService Exception", e);
}
}
}
*
* @param taskClassName
* 任務執行類名
* @return
* @throws ClassNotFoundException
@SuppressWarnings("rawtypes")
private Class getClassByTask(String taskClassName) throws ClassNotFoundException {
return Class.forName(taskClassName);
public String getCronExpressionFromDB(String id) throws Exception {
// 設定任務規則
Job job = this.get(id);
if (null != job) {
if (Job.EXECYCLE_CRON == Integer.parseInt(job.getExecycle())) {
return job.getCronExpression();
} else {
Integer execycle = Integer.parseInt(job.getJobIntervalUnit());
String excep = "";
if (execycle.equals(Job.EXECYCLE_MONTH)) {
excep = "0 " + job.getMinute() + " " + job.getHour() + " " + job.getDayOfMonth() + " * ?";
} else if (execycle.equals(Job.EXECYCLE_WEEK)) {
excep = "0 " + job.getMinute() + " " + job.getHour() + " " + " ? " + " * " + job.getDayOfWeek();
} else if (execycle.equals(Job.EXECYCLE_DAY)) {
excep = "0 " + job.getMinute() + " " + job.getHour() + " " + " * * ?";
} else if (execycle.equals(Job.EXECYCLE_HOUR)) {
excep = "0 0 */" + job.getIntervalHour() + " * * ?";
} else if (execycle.equals(Job.EXECYCLE_MINUTE)) {
excep = "0 */" + job.getIntervalMinute() + " * * * ?";
return excep;
return "";
private void startTask(Job job, String id) {
try {
String cronExpress = getCronExpressionFromDB(id);
if (StringUtils.isNotEmpty(cronExpress) && cronExpress.indexOf("null") == -1) {
JobDetail jobDetail = new JobDetail();
jobDetail.setName(id);
jobDetail.setGroup(Scheduler.DEFAULT_GROUP);
jobDetail.setJobClass(getClassByTask(job.getJobClass()));
CronTrigger cronTrigger = new CronTrigger("cron_" + id, Scheduler.DEFAULT_GROUP, jobDetail.getName(),
Scheduler.DEFAULT_GROUP);
cronTrigger.setCronExpression(cronExpress);
scheduler.scheduleJob(jobDetail, cronTrigger);
} catch (ParseException e) {
logger.error("JobService ParseException", e);
} catch (Exception e) {
logger.error("JobService Exception", e);
private void endTask(String id) {
scheduler.deleteJob(id, Scheduler.DEFAULT_GROUP);
} catch (SchedulerException e) {
logger.error("JobService endTask", e);
private Scheduler scheduler;
import java.text.ParseException;
import java.util.List;
import java.util.UUID;
import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.ml.honghu.StringUtils;
import com.ml.honghu.common.persistence.Page;
import com.ml.honghu.common.service.CrudService;
import com.ml.honghu.job.dao.JobDao;
import com.ml.honghu.job.entity.Job;
/**
定時排程任務Service
@author honghu
*/
@Service
@Transactional(readOnly = true)
public class JobService extends CrudService<JobDao, Job> {
@Autowired
private JobDao jobDao;
private Logger logger = LoggerFactory.getLogger(getClass());
public Job get(String id) {
return super.get(id);
public List<Job> findList(Job job) {
return super.findList(job);
public Page<Job> findPage(Page<Job> page, Job job) {
return super.findPage(page, job);
@Transactional(readOnly = false)
public void save(Job job) {
super.save(job);
// 啟用則啟動任務
if (StringUtils.equals("1", job.getIsEnable())) {
startTask(job, job.getId());
public void update(Job job) {
//結束定時排程
endTask(job.getId());
public void delete(Job job) {
//結束任務
系統初始加載任務
public void loadJob() throws Exception {
List<Job> jobList = this.findList(new Job());
if (null != jobList && jobList.size() > 0) {
for (int i = 0; i < jobList.size(); i++) {
Job job = jobList.get(i);
// 任務開啟狀态 執行任務排程
try {
JobDetail jobDetail = new JobDetail();
// 設定任務名稱
if (StringUtils.isNotBlank(job.getId())) {
jobDetail.setName(job.getId());
} else {
UUID uuid = UUID.randomUUID();
jobDetail.setName(uuid.toString());
job.setId(uuid.toString());
jobDetail.setGroup(Scheduler.DEFAULT_GROUP);
// 設定任務執行類
jobDetail.setJobClass(getClassByTask(job.getJobClass()));
// 添加任務參數
CronTrigger cronTrigger = new CronTrigger("cron_" + i, Scheduler.DEFAULT_GROUP,
jobDetail.getName(), Scheduler.DEFAULT_GROUP);
@param taskClassName
@return
@throws ClassNotFoundException
@SuppressWarnings("rawtypes")
private Class getClassByTask(String taskClassName) throws ClassNotFoundException {
return Class.forName(taskClassName);
public String getCronExpressionFromDB(String id) throws Exception {
// 設定任務規則
Job job = this.get(id);
if (null != job) {
if (Job.EXECYCLE_CRON == Integer.parseInt(job.getExecycle())) {
return job.getCronExpression();
Integer execycle = Integer.parseInt(job.getJobIntervalUnit());
String excep = "";
if (execycle.equals(Job.EXECYCLE_MONTH)) {
excep = "0 " + job.getMinute() + " " + job.getHour() + " " + job.getDayOfMonth() + " * ?";
} else if (execycle.equals(Job.EXECYCLE_WEEK)) {
excep = "0 " + job.getMinute() + " " + job.getHour() + " " + " ? " + " * " + job.getDayOfWeek();
} else if (execycle.equals(Job.EXECYCLE_DAY)) {
excep = "0 " + job.getMinute() + " " + job.getHour() + " " + " * * ?";
} else if (execycle.equals(Job.EXECYCLE_HOUR)) {
excep = "0 0 */" + job.getIntervalHour() + " * * ?";
} else if (execycle.equals(Job.EXECYCLE_MINUTE)) {
excep = "0 */" + job.getIntervalMinute() + " * * * ?";
return excep;
return "";
private void startTask(Job job, String id) {
String cronExpress = getCronExpressionFromDB(id);
if (StringUtils.isNotEmpty(cronExpress) && cronExpress.indexOf("null") == -1) {
jobDetail.setName(id);
CronTrigger cronTrigger = new CronTrigger("cron_" + id, Scheduler.DEFAULT_GROUP, jobDetail.getName(),
Scheduler.DEFAULT_GROUP);
cronTrigger.setCronExpression(cronExpress);
scheduler.scheduleJob(jobDetail, cronTrigger);
} catch (ParseException e) {
logger.error("JobService ParseException", e);
} catch (Exception e) {
logger.error("JobService Exception", e);
private void endTask(String id) {
scheduler.deleteJob(id, Scheduler.DEFAULT_GROUP);
} catch (SchedulerException e) {
logger.error("JobService endTask", e);
private Scheduler scheduler;
6. 編寫相關job的Controller、dao、dao.xml我這邊就不寫了,其實就是對資料的增删改查操作
7. 啟動項目驗證quartz是否成功:
項目啟動個控制台:

任務清單:
任務添加和修改界面:
到此完畢!