public static void main(String ss[]) {
        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
        Runnable doThing = new Runnable() {
            public void run() { System.out.println("dddd"); }
        };
        scheduler.scheduleAtFixedRate(doThing, 0, 3, TimeUnit.SECONDS);


    }

------解决方案--------------------
探讨

Java code

    public static void main(String ss[]) {
        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
        Runnable doThing = new Runnable() {
            pub……


------解决方案--------------------
写个 线程 线程里面执行你的逻辑
配置 web.xml 监听线程

------解决方案--------------------
http://wangguorui89.javaeye.com/blog/428345
关注一下

------解决方案--------------------
我 的博客:
http://lialiks.bokee.com/6335210.html
呵呵

------解决方案--------------------
SPRING 有支持的定时器 可以百度下


------解决方案--------------------
用监听

------解决方案--------------------

Java code
package com.jx.sms.tools;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimerTask;

/**
 * 定时发送处理
 * 
 * @author Administrator
 * 
 */
public class MyTask extends TimerTask {

    public void run() {
        // System.out.println("call at " + (new Date()));
        Connection conn = DataBase_local.getConn();
        Statement stmt = null;
        ResultSet rs = null;
        try {
            stmt = conn.createStatement();
            rs = stmt.executeQuery("select * from unsendsms");
            DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            java.util.Calendar c1 = java.util.Calendar.getInstance();
            java.util.Calendar c2 = java.util.Calendar.getInstance();
            String d1 = df.format(new Date());

            while (rs.next()) {
                String d2 = rs.getString("sendTime");// 获取短信的发送时间
                c1.setTime(df.parse(d1));
                c2.setTime(df.parse(d2));
                int result = c1.compareTo(c2);// 比较大小
                if (result == 0 || result > 0) {
                    SMS.send(rs.getString("telphone") + ",", rs
                            .getString("messageContent"), rs.getInt("smsType"));
                    // 发送待发短信

                    Statement stmt1 = conn.createStatement();
                    stmt1.execute("delete from unsendsms where id='"
                            + rs.getInt("id") + "'");// 发送完成后删除待发短信
                    stmt1.close();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("call at " + (new Date()) + " database error");
            return;
        } finally {
            try {
                rs.close();
                stmt.close();