时间工具类-优快云博客

本文链接：https://blog.youkuaiyun.com/super_user_Z/article/details/95458542

博客涉及时间工具类相关信息，但具体内容缺失。时间工具类在信息技术中可用于处理时间相关操作，如时间计算、格式转换等。

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import java.util.Calendar;
import java.util.Date;

public class TimeUtil {
	
	/**
	 * 获取当天指定时间整点
	 * @return
	 */
	public static Date getTodayTime(int time) {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.HOUR_OF_DAY, time);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}
	
	/**
	 * 获取昨天指定时间整点
	 * @return
	 */
	public static Date getYestodayTime(int time) {
		Calendar cal = Calendar.getInstance();
		cal.setTime(new Date());
		cal.add(Calendar.DATE,-1);
		cal.set(Calendar.HOUR_OF_DAY, time);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}
	

	/**
	 * 当天0点
	 * 
	 * @return
	 */
	public static Date 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 cal.getTime();
	}

	/**
	 * 当天24点
	 * 
	 * @return
	 */
	public static Date 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 cal.getTime();
	}

	public static Date getYestodaymorning() {
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.DATE,-1);
		cal.set(Calendar.HOUR_OF_DAY, 0);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
		
	}

	public static Date getYestodaynight() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(new Date());
		cal.add(Calendar.DATE,-1);
		cal.set(Calendar.HOUR_OF_DAY, 24);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}