47 lines
1.6 KiB
Java
47 lines
1.6 KiB
Java
package top.panll.assist.utils;
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import java.text.SimpleDateFormat;
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import java.time.Instant;
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import java.time.LocalDateTime;
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import java.time.LocalTime;
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import java.time.ZoneId;
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import java.time.format.DateTimeFormatter;
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import java.util.Date;
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import java.util.Locale;
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public class DateUtils {
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public static final String PATTERNForDateTime = "yyyy-MM-dd HH:mm:ss";
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public static final String PATTERNForDate = "yyyy-MM-dd";
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public static final String zoneStr = "Asia/Shanghai";
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// 获得某天最大时间 2020-02-19 23:59:59
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public static Date getEndOfDay(Date date) {
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LocalDateTime localDateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(date.getTime()), ZoneId.systemDefault());;
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LocalDateTime endOfDay = localDateTime.with(LocalTime.MAX);
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return Date.from(endOfDay.atZone(ZoneId.systemDefault()).toInstant());
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}
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// 获得某天最小时间 2020-02-17 00:00:00
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public static Date getStartOfDay(Date date) {
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LocalDateTime localDateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(date.getTime()), ZoneId.systemDefault());
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LocalDateTime startOfDay = localDateTime.with(LocalTime.MIN);
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return Date.from(startOfDay.atZone(ZoneId.systemDefault()).toInstant());
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}
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public static String getDateStr(Date date) {
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SimpleDateFormat formatter = new SimpleDateFormat(PATTERNForDate);
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return formatter.format(date);
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}
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public static String getDateTimeStr(Date date) {
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SimpleDateFormat formatter = new SimpleDateFormat(PATTERNForDateTime);
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return formatter.format(date);
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}
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}
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