压缩视频

yzg-util-base/src/main/java/com/yanzuoguang/util/helper/DateHelper.java

@@ -18,6 +18,7 @@ import java.util.Date;
 public class DateHelper {
 
     private static final String FORMAT_YEAR_STRING = "yyyy-01-01";
+    private static final String FORMAT_YEAR_END_STRING = "yyyy-12-31";
     private static final String FORMAT_MONTH_STRING = "yyyy-MM-01";
     private static final String FORMAT_DAY_STRING = "yyyy-MM-dd";
     private static final String FORMAT_DAY_HOUR_STRING = "yyyy-MM-dd HH:00:00";
@@ -249,6 +250,14 @@ public class DateHelper {
         return begin;
     }
 
+    private static void setDayEnd(Calendar cal) {
+        cal.set(Calendar.HOUR_OF_DAY, 23);
+        cal.set(Calendar.MINUTE, 59);
+        cal.set(Calendar.SECOND, 59);
+        cal.set(Calendar.MILLISECOND, 999);
+    }
+
+
     /**
      * 获取某一天起始和结束时间
      *
@@ -268,8 +277,7 @@ public class DateHelper {
      */
     public static Date getDayEnd(Date date) {
         Calendar end = getDayCalendarBegin(date);
-        end.add(Calendar.DAY_OF_MONTH, 1);
-        end.add(Calendar.SECOND, -1);
+        setDayEnd(end);
         return end.getTime();
     }
 
@@ -281,7 +289,9 @@ public class DateHelper {
      * @return 返回的日期
      */
     public static Date getMonthStart(Date date) {
-        return DateHelper.getDateTime( getDate(date, FORMAT_MONTH_STRING));
+        Calendar cal = getDayCalendarBegin(date);
+        cal.set(Calendar.DAY_OF_MONTH, 1);
+        return cal.getTime();
     }
 
     /**
@@ -293,6 +303,37 @@ public class DateHelper {
     public static Date getMonthEnd(Date date) {
         Calendar cal = getDayCalendarBegin(date);
         cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
+        setDayEnd(cal);
+        return cal.getTime();
+    }
+
+
+    /**
+     * 获取本季度开始时间
+     *
+     * @param date 某一天
+     * @return 返回的日期
+     */
+    public static Date getMonth3Start(Date date) {
+        Calendar cal = getDayCalendarBegin(date);
+        int month = cal.get(Calendar.MONTH) / 3 * 3;
+        cal.set(Calendar.MONTH, month);
+        cal.set(Calendar.DAY_OF_MONTH, 1);
+        return cal.getTime();
+    }
+
+    /**
+     * 获得本月最后一天24点时间
+     *
+     * @param date 某一天
+     * @return 返回的值
+     */
+    public static Date getMonth3End(Date date) {
+        Calendar cal = getDayCalendarBegin(date);
+        int month = cal.get(Calendar.MONTH) / 3 * 3;
+        cal.set(Calendar.MONTH, month + 2);
+        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
+        setDayEnd(cal);
         return cal.getTime();
     }
 
@@ -303,7 +344,23 @@ public class DateHelper {
      * @return 返回值
      */
     public static Date getYearStart(Date date) {
-        return DateHelper.getDateTime( getDate(date, FORMAT_YEAR_STRING));
+        Calendar cal = getDayCalendarBegin(date);
+        cal.set(Calendar.MONTH, 0);
+        cal.set(Calendar.DAY_OF_MONTH, 1);
+        return cal.getTime();
+    }
+
+    /**
+     * 获取本年结束时间
+     *
+     * @param date 某一天
+     * @return 返回值
+     */
+    public static Date getYearEnd(Date date) {
+        Calendar cal = getDayCalendarBegin(date);
+        cal.set(Calendar.MONTH, 11);
+        cal.set(Calendar.DAY_OF_MONTH, 31);
+        return cal.getTime();
     }
 
     /**

yzg-util-base/src/test/java/helper/TestDateHelper.java

+package helper;
+
+import com.yanzuoguang.util.helper.DateHelper;
+import org.junit.Test;
+
+import java.text.ParseException;
+import java.util.Date;
+
+public class TestDateHelper {
+
+    @Test
+    public void testDateHelper() throws ParseException {
+        Date date = new Date();
+        System.out.println("本日:" + DateHelper.getDateTimeString(DateHelper.getDayStart(date)));
+        System.out.println("本日:" + DateHelper.getDateTimeString(DateHelper.getDayEnd(date)));
+        System.out.println("本年:" + DateHelper.getDateTimeString(DateHelper.getYearStart(date)));
+        System.out.println("本年:" + DateHelper.getDateTimeString(DateHelper.getYearEnd(date)));
+        System.out.println("本月:" + DateHelper.getDateTimeString(DateHelper.getMonthStart(date)));
+        System.out.println("本月:" + DateHelper.getDateTimeString(DateHelper.getMonthEnd(date)));
+        System.out.println("本季度:" + DateHelper.getDateTimeString(DateHelper.getMonth3Start(date)));
+        System.out.println("本季度:" + DateHelper.getDateTimeString(DateHelper.getMonth3End(date)));
+    }
+}