DateUtils.java
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package com.bsth.util;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DateUtils {
// 获得当天0点时间
public static int getTimesmorning() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return (int) (cal.getTimeInMillis() / 1000);
}
// 获得当天0点毫秒时间戳
public static long getTimestamp() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTimeInMillis();
}
public static Long getTimesmorning(Calendar cal) {
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTimeInMillis() / 1000;
}
// 获得当天24点时间
public static int getTimesnight() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 24);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return (int) (cal.getTimeInMillis() / 1000);
}
// 获得当天24点时间 毫秒
public static Long getTimesnight2() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 24);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTimeInMillis();
}
public static Long getTimesnight(Calendar cal) {
cal.set(Calendar.HOUR_OF_DAY, 24);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTimeInMillis();
}
// 获得本周一0点时间
public static int getTimesWeekmorning() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
return (int) (cal.getTimeInMillis() / 1000);
}
// 获得本周日24点时间
public static int getTimesWeeknight() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
return (int) ((cal.getTime().getTime() + (7 * 24 * 60 * 60 * 1000)) / 1000);
}
// 获得本月第一天0点时间
public static int getTimesMonthmorning() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));
return (int) (cal.getTimeInMillis() / 1000);
}
// 获得本月最后一天24点时间
public static int getTimesMonthnight() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
cal.set(Calendar.HOUR_OF_DAY, 24);
return (int) (cal.getTimeInMillis() / 1000);
}
private static SimpleDateFormat sdfyyyyMMddHHmm = new SimpleDateFormat("yyyy-MM-ddHH:mm")
,sdfyyyyMMdd = new SimpleDateFormat("yyyy-MM-dd")
,sdfHHmm = new SimpleDateFormat("HH:mm");
public static long getTimesByHHmm(String str) throws ParseException{
Date d = sdfyyyyMMddHHmm.parse(sdfyyyyMMdd.format(new Date()) + str);
return d.getTime();
}
public static String plusDay(String old, int day){
Calendar cal = null;
try {
Date date = sdfyyyyMMdd.parse(old);
cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.DATE, day);
} catch (ParseException e) {
e.printStackTrace();
}
return sdfyyyyMMdd.format(cal.getTime());
}
public static String subtractDay(String old, int day){
Calendar cal = null;
try {
Date date = sdfyyyyMMdd.parse(old);
cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.DATE, cal.get(Calendar.DATE) - day);
} catch (ParseException e) {
e.printStackTrace();
}
return sdfyyyyMMdd.format(cal.getTime());
}
public static int calcHHmmDiff(String fcsj, String zdsj) throws ParseException {
return (int) (sdfHHmm.parse(zdsj).getTime() - sdfHHmm.parse(fcsj).getTime());
}
}