Spring3.2.4集成quartz2.2.1定时任务(demo).

在JavaEE系统中，我们会经常用到定时任务，下面是我自己写的一个demo.

前面几篇quartz博客感觉看的还是难懂 于是重新整理下

源码地址：http://pan.baidu.com/s/1BXHv3

1.所需要的jar

使用maven的pom.xml如下

  <dependencies>

<dependency>
    <groupId>commons-logging</groupId>
    <artifactId>commons-logging</artifactId>
    <version>1.2</version>
</dependency>

<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>

<dependency>
    <groupId>org.quartz-scheduler</groupId>
    <artifactId>quartz</artifactId>
    <version>2.2.2</version>
</dependency>

<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>1.7.21</version>
</dependency>

<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-log4j12</artifactId>
    <version>1.7.21</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aop</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-beans</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context-support</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-core</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-expression</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-tx</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-web</artifactId>
    <version>4.3.2.RELEASE</version>
</dependency>
  </dependencies>

2.实体bean

package com.shanheyongmu.quartz;

import java.util.Date;

public class Study {
    public void doStudy(){
        System.out.println("It is"+new Date());
    }

}

3.applicationContext.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:p="http://www.springframework.org/schema/p"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd">
    <!-- bean -->
    <bean id="study" class="com.shanheyongmu.quartz" />

    <!-- 定义调用对象和调用对象的方法  studyDetail也可以是jobTask -->
    <bean id="studyDetail" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
         <!-- 调用的类 -->
         <property name="targetObject" ref="study"/>
         <!-- 调用类中的方法 -->
         <property name="targetMethod" value="doStudy" />
         <!-- 是否允许任务并发执行。当值为false时 ，表示必须等到前一个线程处理完毕后才再启动一个新的线程-->
         <property name="concurrent" value="false"/>
    </bean>

    <!-- quartz-1.8以前的配置 -->
<!--      <bean id="myjobTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">
      <property name="jobDetail">
         <ref bean="studyDetail"/>
      </property>
    <property name="cronExpression"><value>0/1 * * * * ?</value></property>
    </bean> -->

    <!-- quartz-2.x的配置 -->
    <!-- 定义触发时间 -->
    <bean id="myJobTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
        <property name="jobDetail">
            <ref bean="studyDetail"/>
        </property>
        <property name="cronExpression">
            <value>0/5 * * * * ?</value>
        </property>
    </bean>

    <!-- 总管理类 如果将lazy-init='false'那么容器 启动就会执行调度程序-->
    <!-- 如果lazy-init='true',则需要实例化该bean才能执行调度程序-->
     <bean name="startQuartz" lazy-init="false" autowire="no" class="org.springframework.scheuling.quartz.SchedulerFactoryBean">
        <property name="triggers">
           <list>
              <ref bean="myJobTrigger" />
           </list>
        </property>
        <!-- <property name="autoStartup" value="true"/> -->
     </bean>

     <!--下面是另外一种写法-->
   <!--  <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
        <property name="triggers">
            <list>
                <bean class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
                    <property name="cronExpression">
                        <value>0/5 * * * * ?</value>
                    </property>
                    <property name="jobDetail">
                        　　<bean class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
                            <property name="targetObject" ref="scheduTask"></property>
                            <property name="targetMethod" value="doTask"></property>
                            是否允许任务并发执行。当值为false时，表示必须等到前一个线程处理完毕后才再启一个新的线程
                            <property name="concurrent" value="false"/>
                        　　</bean>
                    </property>
                </bean>
            </list>
        </property>
    </bean> -->
</beans>

4.web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/classes/applicationContext.xml</param-value>

<!-- maven下这样配置-->

 <param-value>classpath*:applicationContext.xml</param-value>

    </context-param>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

</web-app>

http://cron.qqe2.com/  这个是在线quartz时间格式的网站