lxm_library_java/lunar-java
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优化Calendar

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6tail
2021-04-14 22:12:06 +08:00
parent ecccdd6380
commit 60f9a12f00
11 changed files with 607 additions and 523 deletions
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182
src/main/java/com/nlf/calendar/SolarWeek.java
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@@ -13,43 +13,53 @@ import java.util.List;
* @author 6tail
*/
public class SolarWeek {
/** 年 */
/**
* 年
*/
private int year;
/** 月 */
/**
* 月
*/
private int month;
/** 日 */
/**
* 日
*/
private int day;
/** 星期几作为一周的开始，1234560分别代表星期一至星期天 */
/**
* 星期几作为一周的开始，1234560分别代表星期一至星期天
*/
private int start;
/**
* 默认当月
*
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
*/
public SolarWeek(int start){
this(new Date(),start);
public SolarWeek(int start) {
this(new Date(), start);
}
/**
* 通过日期初始化
*
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
*/
public SolarWeek(Date date,int start){
Calendar c = Calendar.getInstance();
c.setTime(date);
public SolarWeek(Date date, int start) {
Calendar c = ExactDate.fromDate(date);
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH)+1;
month = c.get(Calendar.MONTH) + 1;
day = c.get(Calendar.DATE);
this.start = start;
}
/**
* 通过日历初始化
*
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
*/
public SolarWeek(Calendar calendar,int start){
public SolarWeek(Calendar calendar, int start) {
year = calendar.get(Calendar.YEAR);
month = calendar.get(Calendar.MONTH)+1;
month = calendar.get(Calendar.MONTH) + 1;
day = calendar.get(Calendar.DATE);
this.start = start;
}
@@ -57,12 +67,12 @@ public class SolarWeek {
/**
* 通过年月初始化
*
* @param year 年
* @param year 年
* @param month 月，1到12
* @param day 日，1到31
* @param day 日，1到31
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
*/
public SolarWeek(int year, int month ,int day,int start){
public SolarWeek(int year, int month, int day, int start) {
this.year = year;
this.month = month;
this.day = day;
@@ -72,36 +82,36 @@ public class SolarWeek {
/**
* 通过指定日期获取阳历周
*
* @param date 日期
* @param date 日期
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
* @return 阳历周
*/
public static SolarWeek fromDate(Date date,int start){
return new SolarWeek(date,start);
public static SolarWeek fromDate(Date date, int start) {
return new SolarWeek(date, start);
}
/**
* 通过指定日历获取阳历周
*
* @param calendar 日历
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
* @return 阳历周
*/
public static SolarWeek fromCalendar(Calendar calendar,int start){
return new SolarWeek(calendar,start);
public static SolarWeek fromCalendar(Calendar calendar, int start) {
return new SolarWeek(calendar, start);
}
/**
* 通过指定年月日获取阳历周
*
* @param year 年
* @param year 年
* @param month 月，1到12
* @param day 日，1到31
* @param day 日，1到31
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
* @return 阳历周
*/
public static SolarWeek fromYmd(int year,int month,int day,int start){
return new SolarWeek(year,month,day,start);
public static SolarWeek fromYmd(int year, int month, int day, int start) {
return new SolarWeek(year, month, day, start);
}
/**
@@ -109,7 +119,7 @@ public class SolarWeek {
*
* @return 年
*/
public int getYear(){
public int getYear() {
return year;
}
@@ -118,7 +128,7 @@ public class SolarWeek {
*
* @return 1到12
*/
public int getMonth(){
public int getMonth() {
return month;
}
@@ -127,7 +137,7 @@ public class SolarWeek {
*
* @return 1到31之间的数字
*/
public int getDay(){
public int getDay() {
return day;
}
@@ -136,108 +146,108 @@ public class SolarWeek {
*
* @return 1234560分别代表星期一至星期天
*/
public int getStart(){
public int getStart() {
return start;
}
/**
* 获取当前日期是在当月第几周
*
* @return 周序号，从1开始
*/
@SuppressWarnings("MagicConstant")
public int getIndex(){
Calendar c = Calendar.getInstance();
c.set(year,month-1,1);
int firstDayWeek = c.get(Calendar.DAY_OF_WEEK)-1;
if(firstDayWeek==0){
public int getIndex() {
Calendar c = ExactDate.fromYmd(year, month, 1);
int firstDayWeek = c.get(Calendar.DAY_OF_WEEK) - 1;
if (firstDayWeek == 0) {
firstDayWeek = 7;
}
return (int)Math.ceil((day+firstDayWeek-start)/7D);
return (int) Math.ceil((day + firstDayWeek - start) / 7D);
}
/**
* 周推移
* @param weeks 推移的周数，负数为倒推
*
* @param weeks 推移的周数，负数为倒推
* @param separateMonth 是否按月单独计算
* @return 推移后的阳历周
*/
@SuppressWarnings("MagicConstant")
public SolarWeek next(int weeks,boolean separateMonth){
if(0==weeks){
return new SolarWeek(year,month,day,start);
public SolarWeek next(int weeks, boolean separateMonth) {
if (0 == weeks) {
return new SolarWeek(year, month, day, start);
}
if(separateMonth){
if (separateMonth) {
int n = weeks;
Calendar c = Calendar.getInstance();
c.set(year,month-1,day);
SolarWeek week = new SolarWeek(c,start);
Calendar c = ExactDate.fromYmd(year, month, day);
SolarWeek week = new SolarWeek(c, start);
int month = this.month;
boolean plus = n>0;
while(0!=n){
c.add(Calendar.DATE,plus?7:-7);
week = new SolarWeek(c,start);
boolean plus = n > 0;
while (0 != n) {
c.add(Calendar.DATE, plus ? 7 : -7);
week = new SolarWeek(c, start);
int weekMonth = week.getMonth();
if(month!=weekMonth){
if (month != weekMonth) {
int index = week.getIndex();
if(plus){
if(1==index){
if (plus) {
if (1 == index) {
Solar firstDay = week.getFirstDay();
week = new SolarWeek(firstDay.getYear(),firstDay.getMonth(),firstDay.getDay(),start);
week = new SolarWeek(firstDay.getYear(), firstDay.getMonth(), firstDay.getDay(), start);
weekMonth = week.getMonth();
}else{
c.set(week.getYear(),week.getMonth()-1,1);
week = new SolarWeek(c,start);
} else {
c = ExactDate.fromYmd(week.getYear(), week.getMonth(), 1);
week = new SolarWeek(c, start);
}
}else{
int size = SolarUtil.getWeeksOfMonth(week.getYear(),week.getMonth(),start);
if(size==index){
} else {
int size = SolarUtil.getWeeksOfMonth(week.getYear(), week.getMonth(), start);
if (size == index) {
Solar firstDay = week.getFirstDay();
Solar lastDay = firstDay.next(6);
week = new SolarWeek(lastDay.getYear(),lastDay.getMonth(),lastDay.getDay(),start);
week = new SolarWeek(lastDay.getYear(), lastDay.getMonth(), lastDay.getDay(), start);
weekMonth = week.getMonth();
}else{
c.set(week.getYear(),week.getMonth()-1,SolarUtil.getDaysOfMonth(week.getYear(),week.getMonth()));
week = new SolarWeek(c,start);
} else {
c = ExactDate.fromYmd(week.getYear(), week.getMonth(), SolarUtil.getDaysOfMonth(week.getYear(), week.getMonth()));
week = new SolarWeek(c, start);
}
}
month = weekMonth;
}
n-=plus?1:-1;
n -= plus ? 1 : -1;
}
return week;
}else{
Calendar c = Calendar.getInstance();
c.set(year,month-1,day);
c.add(Calendar.DATE,weeks*7);
return new SolarWeek(c,start);
} else {
Calendar c = ExactDate.fromYmd(year, month, day);
c.add(Calendar.DATE, weeks * 7);
return new SolarWeek(c, start);
}
}
/**
* 获取本周第一天的阳历日期（可能跨月）
*
* @return 本周第一天的阳历日期
*/
@SuppressWarnings("MagicConstant")
public Solar getFirstDay(){
Calendar c = Calendar.getInstance();
c.set(year,month-1,day);
int week = c.get(Calendar.DAY_OF_WEEK)-1;
public Solar getFirstDay() {
Calendar c = ExactDate.fromYmd(year, month, day);
int week = c.get(Calendar.DAY_OF_WEEK) - 1;
int prev = week - start;
if(prev<0){
if (prev < 0) {
prev += 7;
}
c.add(Calendar.DATE,-prev);
c.add(Calendar.DATE, -prev);
return new Solar(c);
}
/**
* 获取本周第一天的阳历日期（仅限当月）
*
* @return 本周第一天的阳历日期
*/
public Solar getFirstDayInMonth(){
public Solar getFirstDayInMonth() {
List<Solar> days = getDays();
for(Solar day:days){
if(month==day.getMonth()){
for (Solar day : days) {
if (month == day.getMonth()) {
return day;
}
}
@@ -246,13 +256,14 @@ public class SolarWeek {
/**
* 获取本周的阳历日期列表（可能跨月）
*
* @return 本周的阳历日期列表
*/
public List<Solar> getDays(){
public List<Solar> getDays() {
Solar firstDay = getFirstDay();
List<Solar> l = new ArrayList<Solar>();
l.add(firstDay);
for(int i = 1;i<7;i++){
for (int i = 1; i < 7; i++) {
l.add(firstDay.next(i));
}
return l;
@@ -260,13 +271,14 @@ public class SolarWeek {
/**
* 获取本周的阳历日期列表（仅限当月）
*
* @return 本周的阳历日期列表（仅限当月）
*/
public List<Solar> getDaysInMonth(){
public List<Solar> getDaysInMonth() {
List<Solar> days = this.getDays();
List<Solar> l = new ArrayList<Solar>();
for(Solar day:days){
if(month!=day.getMonth()){
for (Solar day : days) {
if (month != day.getMonth()) {
continue;
}
l.add(day);
@@ -275,11 +287,11 @@ public class SolarWeek {
}
@Override
public String toString(){
return year+"."+month+"."+getIndex();
public String toString() {
return year + "." + month + "." + getIndex();
}
public String toFullString(){
return year+"年"+month+"月第"+getIndex()+"周";
public String toFullString() {
return year + "年" + month + "月第" + getIndex() + "周";
}
}