Spring+quartz实现任务调度的小例子

超、凢脫俗 2022-06-09 05:48 216阅读 0赞

## Spring+quartz实现任务调度的小例子 ##

实现任务调度分为三大模块：1.任务调度器Scheduler;  
2.触发器cronTrigger；  
3.自定义任务JobtTask；

--------------------

*自定义任务JobtTask*
    
    package com.zjt.quartz;
    
    
    
    import java.text.SimpleDateFormat;
    import java.util.Date;
    
    import org.quartz.Job;
    import org.quartz.JobExecutionContext;
    import org.quartz.JobExecutionException;
    
    /** * 自定义任务; */
    public class MyJob implements Job { 
        // 自定义任务Task;
        public void execute(JobExecutionContext context) throws JobExecutionException {
            System.out.println("当前任务开始执行: " +
             new SimpleDateFormat("yyyy-MM-dd HH-mm-ss")
             .format(new Date()));
        }
    }

*测试类*
    
    package com.zjt.quartz;
    
    import java.text.ParseException;
    
    import org.quartz.JobExecutionException;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    /** * 测试类 */
    public class Test { 
        @SuppressWarnings("resource")
        public static void main(String[] args) throws ParseException, JobExecutionException {
            System.out.println("--------------------------------");
            new ClassPathXmlApplicationContext("applicationContext.xml");
        }
    }

配置文件
    
    <?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-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd" default-autowire="byName">
    
        
        <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
            <property name="triggers">
                <list>
                    
                    <ref bean="cronTrigger" />
                </list>
            </property>
            
            <property name="configLocation" value="classpath:quartz.properties" />
        </bean>
    
        
        <bean id="cronTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
            
            <property name="jobDetail" ref="myJobtTask" />
            
            <property name="cronExpression" value="0 0/1 9 * * ?" />
        </bean>
    
        
        <bean name="myJobtTask" class="org.springframework.scheduling.quartz.JobDetailFactoryBean">
            <property name="jobClass" value="com.zjt.quartz.MyJob" />
        </bean>
    </beans>

*quartz.properties*
    
    #============================================================================
    # Configure Main Scheduler Properties 
    #============================================================================
    org.quartz.scheduler.instanceName = DefaultQuartzScheduler
    org.quartz.scheduler.instanceId = AUTO
    org.quartz.scheduler.rmi.export = false
    org.quartz.scheduler.rmi.proxy = false
    org.quartz.scheduler.wrapJobExecutionInUserTransaction = false
    
    #============================================================================
    # Configure ThreadPool 
    #============================================================================
    org.quartz.threadPool.threadCount = 10
    org.quartz.threadPool.threadPriority = 5
    
    #============================================================================
    # Configure JobStore 
    #============================================================================
    org.quartz.jobStore.misfireThreshold = 60000

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