String hour = request.getParameter("hour"); String minute = request.getParameter("minute"); String second = request.getParameter("second"); String[] commonNeeds = {second,minute,hour};// 具体时间 //转换 时间规则 String cronExpression = convertDateToCronExp(schduleType, commonNeeds, monthlyNeeds, weeklyNeeds); log.info("cronExpression: "+cronExpression); this.ctx = WebApplicationContextUtils.getWebApplicationContext(ServletActionContext.getServletContext()); scheduler = (Scheduler)ctx.getBean("schedulerFactory"); CronTriggerBean trigger = (CronTriggerBean) scheduler.getTrigger( "autoBakUpCronTrigger", Scheduler.DEFAULT_GROUP); trigger.setCronExpression(cronExpression); scheduler.rescheduleJob("autoBakUpCronTrigger", Scheduler.DEFAULT_GROUP, trigger); public String convertDateToCronExp(String everyWhat, String[] commonNeeds, String[] monthlyNeeds, String weeklyNeeds) { String cronEx = "" ; StringBuffer commons = new StringBuffer(); if("".equals( commonNeeds[ 0 ])){ commons.append("0"); }else{ commons.append(commonNeeds[ 0 ]); } if("".equals( commonNeeds[ 1 ])){ commons.append(" 0"); }else{ commons.append(" "+ commonNeeds[ 1 ]); } commons.append(" "+ commonNeeds[ 2 ]+ " "); log.info("common: "+commons.toString()); //commonNeeds[ 0 ] + " " + commonNeeds[ 1 ] + " "+ commonNeeds[ 2 ] + " " ; String dayOfWeek = "" ; if ( "month" .equals(everyWhat)) { // eg.: 6#3 (day 6 = Friday and "#3" = the 3rd one in the // month) dayOfWeek = monthlyNeeds[ 1 ] + CronExRelated.specialCharacters.get(CronExRelated._THENTH) + monthlyNeeds[ 0 ]; cronEx = (commons.toString() + CronExRelated.specialCharacters.get(CronExRelated._ANY) + " " + CronExRelated.specialCharacters.get(CronExRelated._EVERY) + " " + dayOfWeek + " " ).trim(); } else if ( "week" .equals(everyWhat)) { dayOfWeek = weeklyNeeds; // 1 cronEx = (commons.toString() + CronExRelated.specialCharacters.get(CronExRelated._ANY) + " " + CronExRelated.specialCharacters.get(CronExRelated._EVERY) + " " + dayOfWeek + " " ).trim(); } return cronEx; }
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转载自peacherdiy.iteye.com/blog/1560728
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