在将web应用程序部署到Apache Tomcat服务器上的周期间隔上调用Java方法,可以通过以下步骤实现:
<web-app>
...
<servlet>
<servlet-name>MyScheduler</servlet-name>
<servlet-class>com.example.MyScheduler</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>MyScheduler</servlet-name>
<url-pattern>/myscheduler</url-pattern>
</servlet-mapping>
<listener>
<listener-class>org.quartz.ee.servlet.QuartzInitializerListener</listener-class>
</listener>
<servlet>
<servlet-name>QuartzInitializer</servlet-name>
<servlet-class>org.quartz.ee.servlet.QuartzInitializerServlet</servlet-class>
<init-param>
<param-name>config-file</param-name>
<param-value>/WEB-INF/quartz.properties</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
...
</web-app>
org.quartz.scheduler.instanceName = MyScheduler
org.quartz.scheduler.instanceId = AUTO
org.quartz.threadPool.threadCount = 3
org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore
package com.example;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
public class MyScheduler implements Job {
public void execute(JobExecutionContext context) throws JobExecutionException {
// 在这里编写需要定期执行的Java方法的逻辑
System.out.println("定时任务执行中...");
}
}
请注意,上述示例中使用了Quartz调度框架来实现定时任务。您可以根据实际需求选择其他调度框架或自行实现定时任务的逻辑。
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