//获取前月的第一天SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd"); //获取当前月第一天：Calendar c = Calendar.getInstance();String first = null;//第一天String last = null;//第二天//判断获取的参数如果为-1if(month.equals("-1")){c.add(Calendar.MONTH, -1);c.set(Calendar.DAY_OF_MONTH,1);//设置为1号,当前日期既为本月第一天 first = sdf.format(c.getTime());//获取上月的最后一天Calendar calendar = Calendar.getInstance();calendar.set(Calendar.DAY_OF_MONTH, 1); calendar.add(Calendar.DATE, -1);last = sdf.format(calendar.getTime());}else{c.add(Calendar.MONTH, 0);c.set(Calendar.DAY_OF_MONTH,1);//设置为1号,当前日期既为本月第一天 first = sdf.format(c.getTime());//获取当前月最后一天Calendar ca = Calendar.getInstance();    ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));  last = sdf.format(ca.getTime());}//循环时间段Date startDate = sdf.parse(first);Date endDate = sdf.parse(last);Calendar start = Calendar.getInstance();start.setTime(startDate);Long statTime = start.getTimeInMillis();Calendar end = Calendar.getInstance();end.setTime(endDate);Long endTime = end.getTimeInMillis();Long oneDay = 1000 * 60 * 60 * 24l; Long time = statTime;  List timeList=new ArrayList();while (time <= endTime) {  Date d = new Date(time);DateFormat df = new SimpleDateFormat("yyyy/MM/dd");time += oneDay;timeList.add(df.format(d));}  //根据渠道ID查询当前代理公司下有多少交易成功的单
        String lastDate = null;if(month.equals("-1")){//获取这个时间段下一天Calendar calendar = Calendar.getInstance();calendar.set(Calendar.DAY_OF_MONTH, 1); calendar.add(Calendar.DATE, 0);lastDate = sdf.format(calendar.getTime());}else{Calendar calendar = Calendar.getInstance();calendar.set(Calendar.DAY_OF_MONTH, 1);calendar.add(Calendar.MONTH, 1);lastDate = sdf.format(calendar.getTime());}

//获取上个月25号的时间private String setDayLastMonth(SimpleDateFormat format) {Calendar month = Calendar.getInstance();month.add(Calendar.MONTH,-1);month.set(Calendar.DATE,25);String oneDayLastMonth = format.format(month.getTime());return oneDayLastMonth;}//获取当月的时间,这里时间不能超过当月25号private String setDayBefore(SimpleDateFormat format) {Calendar cal = Calendar.getInstance();//获取一个日历cal.add(Calendar.DAY_OF_MONTH, -1);//取当前日期的前一天.//当前时间String today = format.format(Calendar.getInstance().getTime());String theDayBefore = format.format(cal.getTime());//比较时间大小Date theDayBeforeDate = cal.getTime();//当前时间的前一天日期格式Date todayDate = Calendar.getInstance().getTime();//当前时间日期格式if(theDayBeforeDate.getTime() > todayDate.getTime()){//默认日期只能为本月的24日cal.set(Calendar.DATE,24);theDayBefore = format.format(cal.getTime());}return theDayBefore;}