java获取当前时间的年周月季度等的开始结束时间

朱雀 2022-10-09 12:07 387阅读 0赞

```java
    package com.hzcloud.hz.admin.utils;
    
    import java.text.SimpleDateFormat;
    import java.util.Calendar;
    import java.util.Date;
    
    /**
     * 获取当前时间的年周月季度等的开始结束时间
     */
    public class TimeUtil {
    	public static void main(String[] args) {
    		System.out.println("当前小时开始："+getCurrentHourStartTime().toString());
    		System.out.println("当前小时结束："+getCurrentHourEndTime().toString());
    		System.out.println("当前天开始："+getCurrentDayStartTime().toString());
    		System.out.println("当前天时结束："+getCurrentDayEndTime().toString());
    		System.out.println("当前周开始："+getCurrentWeekDayStartTime().toString());
    		System.out.println("当前周结束："+getCurrentWeekDayEndTime().toString());
    		System.out.println("当前月开始："+getCurrentMonthStartTime().toString());
    		System.out.println("当前月结束："+getCurrentMonthEndTime().toString());
    		System.out.println("当前季度开始："+getCurrentQuarterStartTime().toString());
    		System.out.println("当前季度结束："+getCurrentQuarterEndTime().toString());
    		System.out.println("当前半年/后半年开始："+getHalfYearStartTime().toString());
    		System.out.println("当前半年/后半年结束："+getHalfYearEndTime().toString());
    		System.out.println("当前年开始："+getCurrentYearStartTime().toString());
    		System.out.println("当前年结束："+getCurrentYearEndTime().toString());
    	}
    
    	/**
    	 * 获取 当前年、半年、季度、月、日、小时 开始结束时间
    	 */
    	private final static SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd");
    	private final static SimpleDateFormat longHourSdf = new SimpleDateFormat("yyyy-MM-dd HH");
    	private final static SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    
    
    	/**
    	 * 获得本周的第一天，周一
    	 *
    	 * @return
    	 */
    	public static Date getCurrentWeekDayStartTime() {
    		Calendar c = Calendar.getInstance();
    		try {
    			int weekday = c.get(Calendar.DAY_OF_WEEK) - 2;
    			c.add(Calendar.DATE, -weekday);
    			c.setTime(longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00"));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return c.getTime();
    	}
    
    	/**
    	 * 获得本周的最后一天，周日
    	 *
    	 * @return
    	 */
    	public static Date getCurrentWeekDayEndTime() {
    		Calendar c = Calendar.getInstance();
    		try {
    			int weekday = c.get(Calendar.DAY_OF_WEEK);
    			c.add(Calendar.DATE, 8 - weekday);
    			c.setTime(longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59"));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return c.getTime();
    	}
    
    	/**
    	 * 获得本天的开始时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentDayStartTime() {
    		Date now = new Date();
    		try {
    			now = shortSdf.parse(shortSdf.format(now));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 获得本天的结束时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentDayEndTime() {
    		Date now = new Date();
    		try {
    			now = longSdf.parse(shortSdf.format(now) + " 23:59:59");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 获得本小时的开始时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentHourStartTime() {
    		Date now = new Date();
    		try {
    			now = longHourSdf.parse(longHourSdf.format(now));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 获得本小时的结束时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentHourEndTime() {
    		Date now = new Date();
    		try {
    			now = longSdf.parse(longHourSdf.format(now) + ":59:59");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 获得本月的开始时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentMonthStartTime() {
    		Calendar c = Calendar.getInstance();
    		Date now = null;
    		try {
    			c.set(Calendar.DATE, 1);
    			now = shortSdf.parse(shortSdf.format(c.getTime()));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 本月的结束时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentMonthEndTime() {
    		Calendar c = Calendar.getInstance();
    		Date now = null;
    		try {
    			c.set(Calendar.DATE, 1);
    			c.add(Calendar.MONTH, 1);
    			c.add(Calendar.DATE, -1);
    			now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 当前年的开始时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentYearStartTime() {
    		Calendar c = Calendar.getInstance();
    		Date now = null;
    		try {
    			c.set(Calendar.MONTH, 0);
    			c.set(Calendar.DATE, 1);
    			now = shortSdf.parse(shortSdf.format(c.getTime()));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 当前年的结束时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentYearEndTime() {
    		Calendar c = Calendar.getInstance();
    		Date now = null;
    		try {
    			c.set(Calendar.MONTH, 11);
    			c.set(Calendar.DATE, 31);
    			now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 当前季度的开始时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentQuarterStartTime() {
    		Calendar c = Calendar.getInstance();
    		int currentMonth = c.get(Calendar.MONTH) + 1;
    		Date now = null;
    		try {
    			if (currentMonth >= 1 && currentMonth <= 3)
    				c.set(Calendar.MONTH, 0);
    			else if (currentMonth >= 4 && currentMonth <= 6)
    				c.set(Calendar.MONTH, 3);
    			else if (currentMonth >= 7 && currentMonth <= 9)
    				c.set(Calendar.MONTH, 4);
    			else if (currentMonth >= 10 && currentMonth <= 12)
    				c.set(Calendar.MONTH, 9);
    			c.set(Calendar.DATE, 1);
    			now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 当前季度的结束时间
    	 *
    	 * @return
    	 */
    	public static Date getCurrentQuarterEndTime() {
    		Calendar c = Calendar.getInstance();
    		int currentMonth = c.get(Calendar.MONTH) + 1;
    		Date now = null;
    		try {
    			if (currentMonth >= 1 && currentMonth <= 3) {
    				c.set(Calendar.MONTH, 2);
    				c.set(Calendar.DATE, 31);
    			} else if (currentMonth >= 4 && currentMonth <= 6) {
    				c.set(Calendar.MONTH, 5);
    				c.set(Calendar.DATE, 30);
    			} else if (currentMonth >= 7 && currentMonth <= 9) {
    				c.set(Calendar.MONTH, 8);
    				c.set(Calendar.DATE, 30);
    			} else if (currentMonth >= 10 && currentMonth <= 12) {
    				c.set(Calendar.MONTH, 11);
    				c.set(Calendar.DATE, 31);
    			}
    			now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    
    	/**
    	 * 获取前/后半年的开始时间
    	 *
    	 * @return
    	 */
    	public static Date getHalfYearStartTime() {
    		Calendar c = Calendar.getInstance();
    		int currentMonth = c.get(Calendar.MONTH) + 1;
    		Date now = null;
    		try {
    			if (currentMonth >= 1 && currentMonth <= 6) {
    				c.set(Calendar.MONTH, 0);
    			} else if (currentMonth >= 7 && currentMonth <= 12) {
    				c.set(Calendar.MONTH, 6);
    			}
    			c.set(Calendar.DATE, 1);
    			now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    
    	}
    
    	/**
    	 * 获取前/后半年的结束时间
    	 *
    	 * @return
    	 */
    	public static Date getHalfYearEndTime() {
    		Calendar c = Calendar.getInstance();
    		int currentMonth = c.get(Calendar.MONTH) + 1;
    		Date now = null;
    		try {
    			if (currentMonth >= 1 && currentMonth <= 6) {
    				c.set(Calendar.MONTH, 5);
    				c.set(Calendar.DATE, 30);
    			} else if (currentMonth >= 7 && currentMonth <= 12) {
    				c.set(Calendar.MONTH, 11);
    				c.set(Calendar.DATE, 31);
    			}
    			now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return now;
    	}
    }