75 lines
2.9 KiB
Java
75 lines
2.9 KiB
Java
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package net.shapelight.common.utils;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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public class MyDateUtils {
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public static String getCurrentDayStartTime(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar cal = Calendar.getInstance();
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Date mondayDate = cal.getTime();
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String weekBegin = sdf.format(mondayDate)+" 00:00:00";
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return weekBegin;
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}
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public static String getCurrentDayEndTime(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar cal = Calendar.getInstance();
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Date mondayDate = cal.getTime();
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String weekBegin = sdf.format(mondayDate)+" 23:59:59";
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return weekBegin;
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}
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public static String getCurrentWeekStartTime(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar cal = Calendar.getInstance();
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//设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一
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cal.setFirstDayOfWeek(Calendar.MONDAY);
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//获得当前日期是一个星期的第几天
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int dayWeek = cal.get(Calendar.DAY_OF_WEEK);
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if(dayWeek==1){
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dayWeek = 8;
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}
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// 根据日历的规则，给当前日期减去星期几与一个星期第一天的差值
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cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - dayWeek);
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Date mondayDate = cal.getTime();
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String weekBegin = sdf.format(mondayDate)+" 00:00:00";
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return weekBegin;
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}
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public static String getCurrentWeekEndTime(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar cal = Calendar.getInstance();
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//设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一
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cal.setFirstDayOfWeek(Calendar.MONDAY);
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//获得当前日期是一个星期的第几天
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int dayWeek = cal.get(Calendar.DAY_OF_WEEK);
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if(dayWeek==1){
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dayWeek = 8;
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}
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cal.add(Calendar.DATE, 4 +cal.getFirstDayOfWeek());
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Date sundayDate = cal.getTime();
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String weekEnd = sdf.format(sundayDate)+" 23:59:59";
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return weekEnd;
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}
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public static String getCurrentMonthStartTime(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(new Date());
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calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMinimum(Calendar.DAY_OF_MONTH));
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return sdf.format(calendar.getTime())+" 00:00:00";
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}
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public static String getCurrentMonthEndTime(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar calendar2 = Calendar.getInstance();
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calendar2.setTime(new Date());
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calendar2.set(Calendar.DAY_OF_MONTH, calendar2.getActualMaximum(Calendar.DAY_OF_MONTH));
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return sdf.format(calendar2.getTime())+" 23:59:59";
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}
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}
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