導(dǎo)入jar包，其他項(xiàng)目依賴的jar包自行導(dǎo)入
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz-jobs</artifactId>
<version>2.2.1</version>
</dependency>
1代碼實(shí)現(xiàn)：
QuartzArt類
public class QuartzArt implements Job {
@Override
public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
System.out.println(new Date() + ": job 1 doing something...");
}
}
QuartzManager類（兩種方法搜需要這個(gè)類進(jìn)行管理）
public class QuartzManager {
private Scheduler scheduler;
/**
* @Description: 添加一個(gè)定時(shí)任務(wù)
*
* @param jobName 任務(wù)名
* @param jobGroupName 任務(wù)組名
* @param triggerName 觸發(fā)器名
* @param triggerGroupName 觸發(fā)器組名
* @param jobClass 任務(wù)
* @param cron 時(shí)間設(shè)置，參考quartz說(shuō)明文檔
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public void addJob(String jobName, String jobGroupName,
String triggerName, String triggerGroupName, Class jobClass, String cron) {
try {
// 任務(wù)名，任務(wù)組，任務(wù)執(zhí)行類
JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName, jobGroupName).build();
// 觸發(fā)器
TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
// 觸發(fā)器名,觸發(fā)器組
triggerBuilder.withIdentity(triggerName, triggerGroupName);
triggerBuilder.startNow();
// 觸發(fā)器時(shí)間設(shè)定
triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
// 創(chuàng)建Trigger對(duì)象
CronTrigger trigger = (CronTrigger) triggerBuilder.build();
// 調(diào)度容器設(shè)置JobDetail和Trigger
scheduler.scheduleJob(jobDetail, trigger);
// 啟動(dòng)
if (!scheduler.isShutdown()) {
scheduler.start();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 修改一個(gè)任務(wù)的觸發(fā)時(shí)間
*
* @param jobName
* @param jobGroupName
* @param triggerName 觸發(fā)器名
* @param triggerGroupName 觸發(fā)器組名
* @param cron 時(shí)間設(shè)置，參考quartz說(shuō)明文檔
*/
public void modifyJobTime(String jobName,
String jobGroupName, String triggerName, String triggerGroupName, String cron) {
try {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
if (trigger == null) {
return;
}
String oldTime = trigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(cron)) {
/** 方式一 ：調(diào)用 rescheduleJob 開(kāi)始 */
// 觸發(fā)器
TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
// 觸發(fā)器名,觸發(fā)器組
triggerBuilder.withIdentity(triggerName, triggerGroupName);
triggerBuilder.startNow();
// 觸發(fā)器時(shí)間設(shè)定
triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
// 創(chuàng)建Trigger對(duì)象
trigger = (CronTrigger) triggerBuilder.build();
// 方式一 ：修改一個(gè)任務(wù)的觸發(fā)時(shí)間
scheduler.rescheduleJob(triggerKey, trigger);
/** 方式一 ：調(diào)用 rescheduleJob 結(jié)束 */
/** 方式二：先刪除，然后在創(chuàng)建一個(gè)新的Job */
//JobDetail jobDetail = scheduler.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 ：先刪除，然后在創(chuàng)建一個(gè)新的Job */
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 移除一個(gè)任務(wù)
*
* @param jobName
* @param jobGroupName
* @param triggerName
* @param triggerGroupName
*/
public void removeJob(String jobName, String jobGroupName,
String triggerName, String triggerGroupName) {
try {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
scheduler.pauseTrigger(triggerKey);// 停止觸發(fā)器
scheduler.unscheduleJob(triggerKey);// 移除觸發(fā)器
scheduler.deleteJob(JobKey.jobKey(jobName, jobGroupName));// 刪除任務(wù)
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:啟動(dòng)所有定時(shí)任務(wù)
*/
public void startJobs() {
try {
scheduler.start();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:關(guān)閉所有定時(shí)任務(wù)
*/
public void shutdownJobs() {
try {
if (!scheduler.isShutdown()) {
scheduler.shutdown();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public Scheduler getScheduler() {
return scheduler;
}
public void setScheduler(Scheduler scheduler) {
this.scheduler = scheduler;
}
}
測(cè)試類：Test.java
public static void main(String[] args) throws BeansException {
QuartzManager quartzManager = (QuartzManager) ctx.getBean("quartzManager");
try {
System.out.println("【系統(tǒng)啟動(dòng)】開(kāi)始(每1秒輸出一次 job2)...");
quartzManager.addJob("test", "test", "test", "test", MyJob.class, "0/1 * * * * ?");
Thread.sleep(5000);
System.out.println("【修改job1時(shí)間】開(kāi)始(每2秒輸出一次)...");
quartzManager.modifyJobTime("test", "test", "test", "test", "0/2 * * * * ?");
Thread.sleep(10000);
System.out.println("【移除job1定時(shí)】開(kāi)始...");
quartzManager.removeJob("test", "test", "test", "test");
// 關(guān)掉任務(wù)調(diào)度容器
// quartzManager.shutdownJobs();
} catch (Exception e) {
e.printStackTrace();
}
}
2配置文件實(shí)現(xiàn)：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"
default-lazy-init="true">
<!-- 這個(gè)類用來(lái)做需要完成的業(yè)務(wù)-->
<bean id="QuartzJob2" class="com.haiziyouke.service.utils.QuartzJob2"></bean>
<!-- 定時(shí)任務(wù) -->
<!-- 定義調(diào)用對(duì)象和調(diào)用對(duì)象的方法，這個(gè)配置和普通的一樣的,id是JobDetail的名字 -->
<bean id="jobtask" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
<!-- 調(diào)用的類 -->
<property name="targetObject" ref="QuartzJob2" />
<!-- 調(diào)用類中的方法 -->
<property name="targetMethod" value="doSomething" />
<!-- 是否并發(fā) -->
<property name ="concurrent" value ="false" />
</bean>
<!-- 定義觸發(fā)時(shí)間 ，這邊就不同了，這里必須將時(shí)間設(shè)置成無(wú)限長(zhǎng)，因?yàn)槲覀円プx取數(shù)據(jù)庫(kù)的時(shí)間來(lái)做為定時(shí)器的觸發(fā)時(shí)間-->
<bean id="cronTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean ">
<property name="jobDetail" ref="jobtask" />
<!-- cron表達(dá)式 -->
<property name="cronExpression" value="0/5 * * * * ?" />
<!--<property name="cronExpression" value="0 0 6 * * ?" />-->
</bean>
<!-- 總管理類 如果將lazy-init='false'那么容器啟動(dòng)就會(huì)執(zhí)行調(diào)度程序 -->
<bean id="startQuertz" lazy-init="true" autowire="no" class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="triggers">
<list>
<ref bean="cronTrigger" />
</list>
</property>
</bean>
<!--這個(gè)類是用來(lái)設(shè)置觸發(fā)時(shí)間的， startJobs方法啟動(dòng)調(diào)度容器，然后按照上面觸發(fā)器每隔1s執(zhí)行所配置的myJob2.doSomething()方法 -->
<bean id="quartzManager" class="com.haiziyouke.service.utils.QuartzManager" lazy-init="false" init-method="startJobs" >
<!--這個(gè)對(duì)象一定要注入，這樣類才能進(jìn)行管理，還有在類型要用get set方法，不然會(huì)報(bào)錯(cuò)。-->
<property name="scheduler" ref="startQuertz" />
</bean>
</beans>
業(yè)務(wù)類：QuartzJob2 (這個(gè)類可以是你項(xiàng)目中的任何一個(gè)類，只要在XML配置下就好)
public class QuartzJob2 {
public void doSomething(){
System.out.println(new Date() + ": job 2 doing something...");
}
}
測(cè)試類：Test2.java
public class QuartzTest {
public static void main(String[] args) throws BeansException {
ApplicationContext ctx = new ClassPathXmlApplicationContext("quartz-config.xml");
//QuartzManager quartzManager = (QuartzManager) ctx.getBean("quartzManager");
try {
System.out.println(new Date() + ": job 1 doing something...");
} catch (Exception e) {
e.printStackTrace();
}
}
}
