/**
* 通过开始时间和结束时间查询中间的每个月的开始和结束时间
* @param startTime
* @param endTime
* @return
* @throws ParseException
*/
public static List<Map<String, String>> queryInterval(String startTime, String endTime,int type) throws ParseException {
/*
type 1:月 2:季度 3:年
*/
if(type==1){
return queryIntervalMonth(startTime, endTime);
}else if(type==2){
return queryIntervalQuarter(startTime, endTime);
}else{
return queryIntervalYear(startTime, endTime);
}
}/**
* 通过开始时间和结束时间查询中间的每个月的开始和结束时间
* @param startTime
* @param endTime
* @return
* @throws ParseException
*/
public static List<Map<String, String>> queryIntervalMonth(String startTime, String endTime) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
Calendar bef = Calendar.getInstance();
Calendar aft = Calendar.getInstance();
bef.setTime(sdf.parse(startTime));
aft.setTime(sdf.parse(endTime));
int result = aft.get(Calendar.MONTH) - bef.get(Calendar.MONTH);
int month = (aft.get(Calendar.YEAR) - bef.get(Calendar.YEAR)) * 12;
List<Map<String, String>> mapList = Lists.newArrayList();
int minMonth = Math.abs(month + result);
Map<String, String> dateMap = Maps.newHashMap();
if(minMonth>0){
dateMap.put("start", startTime);
dateMap.put("end", getMaxMonthDate(startTime) + " 23:59:59");
mapList.add(dateMap);
for (int i = 0; i < minMonth; i++) {
dateMap = Maps.newHashMap();
Calendar start = Calendar.getInstance();
start.setTime(sdf.parse(startTime));
start.add(Calendar.MONTH, 1);
startTime = date2String(start.getTime(), DateUtil.PATTERN_STANDARD);
dateMap.put("start", getMinMonthDate(startTime) + " 00:00:00");
if(i+1 == minMonth){
dateMap.put("end", endTime);
}else{
dateMap.put("end", getMaxMonthDate(startTime) + " 23:59:59");
}
mapList.add(dateMap);
}
}else{
dateMap.put("start", startTime);
dateMap.put("end", endTime);
mapList.add(dateMap);
}
return mapList;
}
/**
* 获取月份起始日期
* @param date
* @return
* @throws ParseException
*/
public static String getMinMonthDate(String date) throws ParseException{
Calendar calendar = Calendar.getInstance();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMinimum(Calendar.DAY_OF_MONTH));
return dateFormat.format(calendar.getTime());
}
/**
* 获取月份最后日期
* @param date
* @return
* @throws ParseException
*/
public static String getMaxMonthDate(String date) throws ParseException{
Calendar calendar = Calendar.getInstance();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
return dateFormat.format(calendar.getTime());
}
/**
* 获取年份起始日期
* @param date
* @return
* @throws ParseException
*/
public static String getMinYearDate(String date) throws ParseException{
Calendar calendar = Calendar.getInstance();
calendar.setTime(dateFormat.parse(date));
return dateFormat.format(calendar.getTime());
}
/**
* 获取年份最后日期
* @param date
* @return
* @throws ParseException
*/
public static String getMaxYearDate(String date) throws ParseException{
Calendar calendar = Calendar.getInstance();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.DAY_OF_YEAR,1);
calendar.roll(Calendar.DAY_OF_YEAR, -1);
return dateFormat.format(calendar.getTime());
}
/**
* 通过开始时间和结束时间查询中间的每个月的开始和结束时间
* @param startTime
* @param endTime
* @return
* @throws ParseException
*/
public static List<Map<String, String>> queryInterval(String startTime, String endTime,int type) throws ParseException {
/*
type 1:月 2:季度 3:年
*/
if(type==1){
return queryIntervalMonth(startTime, endTime);
}else if(type==2){
return queryIntervalQuarter(startTime, endTime);
}else{
return queryIntervalYear(startTime, endTime);
}
}
/**
* 通过开始时间和结束时间查询中间的每个月的开始和结束时间
* @param startTime
* @param endTime
* @return
* @throws ParseException
*/
public static List<Map<String, String>> queryInterval(Date startTime, Date endTime,int type) throws ParseException {
return queryInterval(DateUtil.date2String(startTime,DateUtil.PATTERN_STANDARD),DateUtil.date2String(endTime,DateUtil.PATTERN_STANDARD),type);
}
private static List<Map<String,String>> queryIntervalYear(String startTime, String endTime) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
Calendar bef = Calendar.getInstance();
Calendar aft = Calendar.getInstance();
bef.setTime(sdf.parse(startTime));
aft.setTime(sdf.parse(endTime));
int year = (aft.get(Calendar.YEAR) - bef.get(Calendar.YEAR));
List<Map<String, String>> mapList = Lists.newArrayList();
Map<String, String> dateMap = Maps.newHashMap();
dateMap.put("start", startTime);
if(year>0){
dateMap.put("end", getMaxYearDate(startTime) + " 23:59:59");
mapList.add(dateMap);
for (int i = 0; i < year; i++) {
dateMap = Maps.newHashMap();
bef.add(Calendar.YEAR, 1);
dateMap.put("start", DateUtil.date2String(getYearFirst(Integer.parseInt(DateUtil.date2String(bef.getTime(),"yyyy"))),DateUtil.PATTERN_STANDARD));
if (i + 1 == year) {
dateMap.put("end", endTime);
}else{
dateMap.put("end", getMaxYearDate(DateUtil.date2String(bef.getTime(),DateUtil.PATTERN_STANDARD))+" 23:59:59");
}
mapList.add(dateMap);
}
}else{
dateMap.put("end", endTime);
mapList.add(dateMap);
}
return mapList;
}
private static List<Map<String,String>> queryIntervalQuarter(String startTime, String endTime) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
Calendar bef = Calendar.getInstance();
Calendar aft = Calendar.getInstance();
bef.setTime(sdf.parse(startTime));
aft.setTime(sdf.parse(endTime));
int thisMonth = bef.get(Calendar.MONTH)+1; //当前月
int result = aft.get(Calendar.MONTH) - bef.get(Calendar.MONTH);
int month = (aft.get(Calendar.YEAR) - bef.get(Calendar.YEAR)) * 12;
List<Map<String, String>> mapList = Lists.newArrayList();
Map<String, String> dateMap = Maps.newHashMap();
dateMap.put("start",startTime);
int minMonth = Math.abs(month + result);
if(thisMonth == 1 || thisMonth==4 || thisMonth==7 || thisMonth==10){
bef.add(Calendar.MONTH, 2);
minMonth-=2;
}else if(thisMonth == 2 || thisMonth==5 || thisMonth==8 || thisMonth==11){
bef.add(Calendar.MONTH, 1);
minMonth-=1;
}
dateMap.put("end",getMaxMonthDate(date2String(bef.getTime(), DateUtil.PATTERN_STANDARD))+" 23:59:59");
mapList.add(dateMap);
bef.add(Calendar.MONTH, 1);
startTime = getMinMonthDate(date2String(bef.getTime(), DateUtil.PATTERN_STANDARD))+" 00:00:00";
while (minMonth > 0) {
dateMap = Maps.newHashMap();
dateMap.put("start",startTime);
Calendar end = Calendar.getInstance();
end.setTime(sdf.parse(startTime));
end.add(Calendar.MONTH, 2);
minMonth -= 3;
if(minMonth>0){
dateMap.put("end",getMaxMonthDate(date2String(end.getTime(), DateUtil.PATTERN_STANDARD))+" 23:59:59");
}else{
dateMap.put("end",endTime);
}
mapList.add(dateMap);
bef.add(Calendar.MONTH, 3);
startTime = getMinMonthDate(date2String(bef.getTime(), DateUtil.PATTERN_STANDARD))+" 00:00:00";
}
return mapList;
}
public static Date getCurrYearFirst(){
Calendar currCal=Calendar.getInstance();
int currentYear = currCal.get(Calendar.YEAR);
return getYearFirst(currentYear);
}
/**
* 获取某年第一天日期
* @param year 年份
* @return Date
*/
public static Date getYearFirst(int year){
Calendar calendar = Calendar.getInstance();
calendar.clear();
calendar.set(Calendar.YEAR, year);
Date currYearFirst = calendar.getTime();
return currYearFirst;
}
运行结果如上,改下type就好- -