spring 定时任务 实现

import org.apache.log4j.*;
public class TaskJob {
       public static Logger log = Logger
                     .getLogger(TaskJob.class);
       public void SayHello() {
              // TODO Auto-generated method stub
              try {
                     log.info("处理任务开始>........");
                     // 业务逻辑代码调用
                     System.out.println("时间[" + new java.util.Date().toLocaleString()
                                   + "]----->大家好啊！");
                     log.info("处理任务结束!");
              } catch (Exception e) {
                     log.error("处理任务出现异常", e);
              }
       }

}

2．接下来的在spring 里配置：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
    <bean name="taskJob" class="util.TaskJob" />

    <bean >