本文整理汇总了Java中java.util.Calendar.roll方法的典型用法代码示例。如果您正苦于以下问题：Java Calendar.roll方法的具体用法？Java Calendar.roll怎么用？Java Calendar.roll使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.Calendar的用法示例。
在下文中一共展示了Calendar.roll方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getItem
import java.util.Calendar; //导入方法依赖的package包/类
public View getItem(int index, View cachedView, ViewGroup parent) {
int day = index - 30;
Calendar newCalendar = (Calendar) DietDatePicker.this.calendar.clone();
newCalendar.roll(6, day);
View view = super.getItem(index, cachedView, parent);
((TextView) view.findViewById(R.id.weekday)).setText(new SimpleDateFormat("EEE")
.format(newCalendar.getTime()));
TextView monthday = (TextView) view.findViewById(R.id.monthday);
if (day == 0) {
monthday.setText(DateHelper.format(newCalendar.getTime()) + SocializeConstants
.OP_OPEN_PAREN + DietDatePicker.this.ctx.getString(R.string.a9h) +
SocializeConstants.OP_CLOSE_PAREN);
monthday.setTextColor(-16776976);
} else {
monthday.setText(DateHelper.format(newCalendar.getTime()));
monthday.setTextColor(-15658735);
}
return view;
}
示例2: forward
import java.util.Calendar; //导入方法依赖的package包/类
/**
* 使指定日期向前走一天，变成“明天”的日期
*
* @param cal 处理日期
*/
public void forward(Calendar cal) {
int year = cal.get(Calendar.YEAR);
int month = cal.get(Calendar.MONTH);//0到11
int day = cal.get(Calendar.DAY_OF_MONTH);
int days = getDaysOfMonth(year, month + 1);
if (day == days) {//如果是本月最后一天，还要判断年份是不是要向前滚
if (month == 11) {//如果是12月份，年份要向前滚
cal.roll(Calendar.YEAR, true);
cal.set(Calendar.MONTH, 0);//月份，第一月是0
cal.set(Calendar.DAY_OF_MONTH, 1);
} else {//如果不是12月份
cal.roll(Calendar.MONTH, true);
cal.set(Calendar.DAY_OF_MONTH, 1);
}
} else {
cal.roll(Calendar.DAY_OF_MONTH, 1);//如果是月内，直接天数加1
}
}
示例3: getPreviousMonthEnd
import java.util.Calendar; //导入方法依赖的package包/类
public String getPreviousMonthEnd()
{
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.add(Calendar.MONTH, -1);// 减一个月
lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天
lastDate.roll(Calendar.DATE, -1);// 日期回滚一天，也就是本月最后一天
str = sdf.format(lastDate.getTime());
return str;
}
示例4: findBooks
import java.util.Calendar; //导入方法依赖的package包/类
public List<Book> findBooks(final Date from, final Date to) {
Calendar end = Calendar.getInstance();
end.setTime(to);
end.roll(Calendar.YEAR, 1);
return store.stream().filter(book -> {
return from.before(book.getPublished())
&& end.getTime().after(book.getPublished());
}).sorted(Comparator.comparing(Book::getPublished).reversed())
.collect(Collectors.toList());
}
示例5: getMonthDays
import java.util.Calendar; //导入方法依赖的package包/类
/**
* 获取指定年月的天数
* @param year 指定公历年
* @param month 指定公历月份
* @return 该年月的天数
*/
public static int getMonthDays(int year, int month) {
Calendar tmpCalendar = Calendar.getInstance();
tmpCalendar.set(Calendar.YEAR, year);
tmpCalendar.set(Calendar.MONTH, month);
tmpCalendar.set(Calendar.DATE, 1);
tmpCalendar.roll(Calendar.DATE, -1);
return tmpCalendar.get(Calendar.DATE);
}
示例6: getCurrentMonthDay
import java.util.Calendar; //导入方法依赖的package包/类
/**
* 获取当月的 天数
*/
public static int getCurrentMonthDay() {
Calendar a = Calendar.getInstance();
a.set(Calendar.DATE,
1);
a.roll(Calendar.DATE,
-1);
int maxDate = a.get(Calendar.DATE);
return maxDate;
}
示例7: getMonthLastDay
import java.util.Calendar; //导入方法依赖的package包/类
/**
* 得到指定月的天数
* */
public static int getMonthLastDay(int year, int month)
{
Calendar a = Calendar.getInstance();
a.set(Calendar.YEAR, year);
a.set(Calendar.MONTH, month - 1);
a.set(Calendar.DATE, 1);//把日期设置为当月第一天
a.roll(Calendar.DATE, -1);//日期回滚一天，也就是最后一天
int maxDate = a.get(Calendar.DATE);
return maxDate;
}
示例8: getNextMonthEnd
import java.util.Calendar; //导入方法依赖的package包/类
public static String getNextMonthEnd() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.add(Calendar.MONTH, 1);// 加一个月
lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天
lastDate.roll(Calendar.DATE, -1);// 日期回滚一天，也就是本月最后一天
str = sdf.format(lastDate.getTime());
return str;
}
示例9: ArrNumMonth
import java.util.Calendar; //导入方法依赖的package包/类
/**
* Is the method invoked to calculate the number of months in the log (Variable)
*/
private void ArrNumMonth() {
ArrMonth = new Vector<double[]>();
double i[];
Calendar cal = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal.setTimeInMillis((long) v.getValue(0));
int y = 0;
boolean k = false;
int z = 0;
while (z < v.Size()) {
cal2.setTimeInMillis((long) v.getValue(z));
if (cal.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)) {
y++;
} else {
k = false;
i = new double[2];
i[0] = cal.getTimeInMillis();
i[1] = y;
ArrMonth.addElement(i);
cal.roll(Calendar.MONTH, true);
if (cal.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)) {
y = 1;
} else {
y = 0;
k = false;
}
}
if (k != true) {
z++;
}
}
i = new double[2];
i[0] = cal.getTimeInMillis();
i[1] = y;
ArrMonth.addElement(i);
}
示例10: getMonthLastDay
import java.util.Calendar; //导入方法依赖的package包/类
/**
* 得到指定月的天数
*/
public static int getMonthLastDay(int year, int month) {
Calendar a = Calendar.getInstance();
a.set(Calendar.YEAR, year);
a.set(Calendar.MONTH, month - 1);
a.set(Calendar.DATE, 1);// 把日期设置为当月第一天
a.roll(Calendar.DATE, -1);// 日期回滚一天，也就是最后一天
int maxDate = a.get(Calendar.DATE);
return maxDate;
}
示例11: tomorrow
import java.util.Calendar; //导入方法依赖的package包/类
public static CalendarDate tomorrow() {
Calendar cal = Calendar.getInstance();
cal.roll(Calendar.DATE, true);;
return new CalendarDate(cal);
}
示例12: ArrNumHour
import java.util.Calendar; //导入方法依赖的package包/类
/**
* Is the method invoked to calculate the number of hours in the log (Variable)
*/
private void ArrNumHour() {
ArrHour = new Vector<double[]>();
double i[];
Calendar cal = Calendar.getInstance();
cal.setTime(new Date((long) v.getValue(0)));
Calendar cal2 = Calendar.getInstance();
int y = 0;
int z = 0;
boolean k = false;
while (z < v.Size()) {
cal2.setTimeInMillis((long) v.getValue(z));
if (cal.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)
&& cal.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR)
&& cal.get(Calendar.HOUR_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY)) {
y++;
} else {
k = false;
i = new double[2];
i[0] = cal.getTimeInMillis();
i[1] = y;
ArrHour.addElement(i);
if (cal.get(Calendar.HOUR_OF_DAY) == 23) {
cal.roll(Calendar.DAY_OF_YEAR, true);
}
cal.roll(Calendar.HOUR_OF_DAY, true);
if (cal.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)
&& cal.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR)
&& cal.get(Calendar.HOUR_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY)) {
y = 1;
} else {
y = 0;
k = true;
}
}
if (k != true) {
z++;
}
}
i = new double[2];
i[0] = cal.getTimeInMillis();
i[1] = y;
ArrHour.addElement(i);
}
示例13: ArrNumMinute
import java.util.Calendar; //导入方法依赖的package包/类
/**
* Is the method invoked to calculate the number of minutes in the log (Variable)
*/
private void ArrNumMinute() {
ArrMinute = new Vector<double[]>();
double i[];
Calendar cal = Calendar.getInstance();
cal.setTime(new Date((long) v.getValue(0)));
Calendar cal2 = Calendar.getInstance();
int y = 0;
boolean k = false;
int z = 0;
cal2.setTimeInMillis((long) v.getValue(z));
while (z < v.Size()) {
if (cal.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)
&& cal.get(Calendar.DATE) == cal2.get(Calendar.DATE) && cal.get(Calendar.HOUR_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY)
&& cal.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE)) {
y++;
} else {
k = false;
i = new double[2];
i[0] = cal.getTimeInMillis();
i[1] = y;
ArrMinute.addElement(i);
if (cal.get(Calendar.MINUTE) == 59 && cal.get(Calendar.HOUR_OF_DAY) != 23) {
cal.roll(Calendar.HOUR_OF_DAY, true);
}
if (cal.get(Calendar.MINUTE) == 59 && cal.get(Calendar.HOUR_OF_DAY) == 23) {
cal.roll(Calendar.HOUR_OF_DAY, true);
cal.roll(Calendar.DAY_OF_YEAR, true);
}
cal.roll(Calendar.MINUTE, true);
if (cal.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)
&& cal.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR)
&& cal.get(Calendar.HOUR_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY) && cal.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE)) {
y = 1;
} else {
y = 0;
k = true;
}
}
if (k != true) {
z++;
if (z < v.Size()) {
cal2.setTimeInMillis((long) v.getValue(z));
}
}
}
i = new double[2];
i[0] = cal.getTimeInMillis();
i[1] = y;
ArrMinute.addElement(i);
}
示例14: yesterday
import java.util.Calendar; //导入方法依赖的package包/类
public static CalendarDate yesterday() {
Calendar cal = Calendar.getInstance();
cal.roll(Calendar.DATE, false);
return new CalendarDate(cal);
}
示例15: tomorrow
import java.util.Calendar; //导入方法依赖的package包/类
public static CalendarDate tomorrow() {
Calendar cal = Calendar.getInstance();
cal.roll(Calendar.DATE, true);
return new CalendarDate(cal);
}