程序每天只执行一次

public class TvbGiftOnOverSpendTimeTaskImpl implements
        TvbGiftOnOverSpendTimeTask {
 
        private static final Log log = LogFactory.getLog("timeTaskLog");
        private Date excuteDate = null;
        private int executeTimes = 0;
 
        public void giftOnOverSpend() {
        String configExecuteTimes = MiniCms.getConfig("tvb", "executeTimes", "1");
        int times = 1;
        try{
            times = Integer.parseInt(configExecuteTimes);
        }catch(Exception e){
            log.error("获取executeTimes配置失败");
        }
        if(excuteDate != null){
            SimpleDateFormat nowSdf = new SimpleDateFormat("yyyyMMdd");
            Date now = new Date();
            String nowStr = nowSdf.format(now);
            String executeDateStr = nowSdf.format(excuteDate);
            if(nowStr.equals(executeDateStr)){
                if(executeTimes >= times){
                    log.error("该程序当天只能执行"+configExecuteTimes+"次");
                    return;
                }                
            }else{
                executeTimes = 0;
            }            
        }
                //执行程序
        }
}