ClockInTool.java

package cn.timer.api.controller.kqgl;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Set;

/**
 * @author lal 2020-05-11
 *
 */
public class ClockInTool {

	static SimpleDateFormat famt = new SimpleDateFormat("yyyy-MM-dd");
	
	/**
	 * @param timeStr
	 * @param addnumber
	 * @return 通过java Calendar 实现时间+ 分钟
	 */
	public static String addtime(String timeStr, String addnumber) {
		String str = null;
		try {
			DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			Date date = df.parse(timeStr);
			// 时间累计
			Calendar gc = new GregorianCalendar();
			gc.setTime(date);
			gc.add(GregorianCalendar.MINUTE, Integer.parseInt(addnumber));
			str = df.format(gc.getTime());
		} catch (NumberFormatException e) {
			e.printStackTrace();
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return str;
	}

	/**
	 * 获取指定年月的第一天
	 * 
	 * @param year
	 * @param month
	 * @return
	 */
	public static String getFirstDayOfMonth1(int year, int month) {
		Calendar cal = Calendar.getInstance();
		// 设置年份
		cal.set(Calendar.YEAR, year);
		// 设置月份
		cal.set(Calendar.MONTH, month - 1);
		// 获取某月最小天数
		int firstDay = cal.getMinimum(Calendar.DATE);
		// 设置日历中月份的最小天数
		cal.set(Calendar.DAY_OF_MONTH, firstDay);
		// 格式化日期
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		return sdf.format(cal.getTime());
	}

	/**
	 * 获取指定年月的最后一天
	 * 
	 * @param year
	 * @param month
	 * @return
	 */
	public static String getLastDayOfMonth1(int year, int month) {
		Calendar cal = Calendar.getInstance();
		// 设置年份
		cal.set(Calendar.YEAR, year);
		// 设置月份
		cal.set(Calendar.MONTH, month - 1);
		// 获取某月最大天数
		int lastDay = cal.getActualMaximum(Calendar.DATE);
		// 设置日历中月份的最大天数
		cal.set(Calendar.DAY_OF_MONTH, lastDay);
		// 格式化日期
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		return sdf.format(cal.getTime());
	}

	// 数组容量的扩容，当空间（.length）不够的时候，增加一
	public static String[] arrycopy(String[] ss) {
		// TODO Auto-generated method stub
		String[] ii = new String[ss.length + 1];
		System.arraycopy(ss, 0, ii, 0, ss.length);
		return ii;
	}

	public static String[] replaceNull(String[] str) {
		// 用StringBuffer来存放数组中的非空元素，用“;”分隔
		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < str.length; i++) {
			if ("null".equals(str[i])) {
				continue;
			}
			sb.append(str[i]);
			if (i != str.length - 1) {
				sb.append(";");
			}
		}
		// 用String的split方法分割，得到数组
		str = sb.toString().split(";");
		return str;
	}

	/**
	 * 删除数组中的指定值 或者数组中的元素包含指定值
	 * 
	 * @param filters 数组
	 * @param target  指定值
	 * @return
	 */
	public static String[] doChinFilters(String[] filters, String target) {
		String[] res = null;
		if (filters.length > 0) {
			List<String> tempList = Arrays.asList(filters);
			// Arrays.asList(filters) 迭代器实现类 不支持remove() 删除，多一步转化
			List<String> arrList = new ArrayList<String>(tempList);
			Iterator<String> it = arrList.iterator();
			while (it.hasNext()) {
				String x = it.next();
				if (x.indexOf(target) != -1) {
					it.remove();
				}
			}
			res = new String[arrList.size()];
			arrList.toArray(res);
		}
		return res;
	}

	/**
	 * 获取两个日期之间的所有日期
	 */
	public static List<String> getDays(String startTime, String endTime) {
		// 返回的日期集合
		List<String> days = new ArrayList<String>();
		DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
		try {
			Date start = dateFormat.parse(startTime);
			Date end = dateFormat.parse(endTime);

			Calendar tempStart = Calendar.getInstance();
			tempStart.setTime(start);

			Calendar tempEnd = Calendar.getInstance();
			tempEnd.setTime(end);
			tempEnd.add(Calendar.DATE, +1);// 日期加1(包含结束)
			while (tempStart.before(tempEnd)) {
				days.add(dateFormat.format(tempStart.getTime()));
				tempStart.add(Calendar.DAY_OF_YEAR, 1);
			}
		} catch (ParseException e) {
			e.printStackTrace();
		}

		return days;
	}

	/**
	 * 拼接字符串
	 */
	public static String listToString(List<String> list) {

		if (list == null) {
			return null;
		}

		StringBuilder result = new StringBuilder();
		boolean first = true;

		// 第一个前面不拼接","
		for (String string : list) {
			if (first) {
				first = false;
			} else {
				result.append(",");
			}
			result.append(string);
		}
		return result.toString();
	}

	/**
	 * 使用java正则表达式去掉多余的.与0
	 * 
	 * @param s
	 * @return string
	 */
	public static String replace(String s) {
		if (null != s && s.indexOf(".") > 0) {
			s = s.replaceAll("0+?$", "");// 去掉多余的0
			s = s.replaceAll("[.]$", "");// 如最后一位是.则去掉
		}
		return s;
	}

	/**
	 * 根据 年、月 获取对应的月份 的 天数
	 */
	public static int getDaysByYearMonth(int year, int month) {
		Calendar a = Calendar.getInstance();
		a.set(Calendar.YEAR, year);
		a.set(Calendar.MONTH, month - 1);
		a.set(Calendar.DATE, 1);
		a.roll(Calendar.DATE, -1);
		int maxDate = a.get(Calendar.DATE);
		return maxDate;
	}

	/**
	 * 获取月份起始日期
	 * 
	 * @param date
	 * @return
	 * @throws ParseException
	 */
	public static String getMinMonthDate(String date) throws ParseException {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(famt.parse(date));
		calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMinimum(Calendar.DAY_OF_MONTH));
		return famt.format(calendar.getTime());
	}

	/**
	 * 获取月份最后日期
	 * 
	 * @param date
	 * @return
	 * @throws ParseException
	 */
	public static String getMaxMonthDate(String date) throws ParseException {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(famt.parse(date));
		calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
		return famt.format(calendar.getTime());
	}

	/**
	 * 对比两个字符串数组
	 * 
	 * @param t1
	 * @param t2
	 * @return
	 */
	public static <T> List<T> compare(T[] t1, T[] t2) {
		List<T> list1 = Arrays.asList(t1); // 将t1数组转成list数组
		List<T> list2 = new ArrayList<T>();// 用来存放2个数组中不相同的元素
		for (T t : t2) {
			if (!list1.contains(t)) {
				list2.add(t);
			}
		}
		return list2;
	}

	public static String[] array_unique(String[] ss) {
		Set<String> set = new HashSet<String>(Arrays.asList(ss));
		return set.toArray(new String[set.size()]);
		// 或者return new HashSet<String>(Arrays.asList(ss)).toArray(new String[0]);
	}

	public static byte[] CreateBSCommBufferFromString(String sCmdParam, byte[] bytCmd) {
		try {
			if (sCmdParam.length() == 0) {
				return bytCmd;
			}
			byte[] bytText = sCmdParam.getBytes("UTF-8");
			byte[] bytTextLen = int2byte(bytText.length + 1);
			bytCmd = new byte[4 + bytText.length + 1];
			System.arraycopy(bytTextLen, 0, bytCmd, 0, bytTextLen.length);
			System.arraycopy(bytText, 0, bytCmd, 4, bytText.length);
			bytCmd[4 + bytText.length] = 0;
			return bytCmd;
		} catch (Exception e) {
			e.printStackTrace();
			bytCmd = new byte[0];
			return bytCmd;
		}
	}

	public static byte[] int2byte(int res) {
		byte[] targets = new byte[4];
		targets[0] = (byte) (res & 0xff);
		targets[1] = (byte) ((res >> 8) & 0xff);
		targets[2] = (byte) ((res >> 16) & 0xff);
		targets[3] = (byte) (res >>> 24);
		return targets;
	}

	public static byte[] ConcateByteArray(byte[] abytDest, byte[] abytSrc) {
		int len_dest = abytDest.length + abytSrc.length;
		if (abytSrc.length == 0)
			return abytDest;
		byte[] bytTmp = new byte[len_dest];
		System.arraycopy(abytDest, 0, bytTmp, 0, abytDest.length);
		System.arraycopy(abytSrc, 0, bytTmp, abytDest.length, abytSrc.length);
		return bytTmp;
	}

	public static String dateToWeek2(String datetime) {

		SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
		String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
//        String[] weekDays = {"7", "1", "2", "3", "4", "5", "6"};
		Calendar cal = Calendar.getInstance();
		Date date;
		try {
			date = f.parse(datetime);
			cal.setTime(date);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		// 一周的第几天
		int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
		if (w < 0)
			w = 0;
		return weekDays[w];
	}

	/**
	 * 
	 * @param nowDate   要比较的时间
	 * @param startDate 开始时间
	 * @param endDate   结束时间
	 * @return true在时间段内，false不在时间段内
	 * @throws Exception
	 */
	public static boolean hourMinuteBetween(String nowDate, String startDate, String endDate, String date_format) {

		SimpleDateFormat format = new SimpleDateFormat(date_format);

		Date now = null;
		Date start = null;
		Date end = null;
		try {
			now = format.parse(nowDate);
			start = format.parse(startDate);
			end = format.parse(endDate);
		} catch (ParseException e) {
			e.printStackTrace();
		}

		long nowTime = now.getTime();
		long startTime = start.getTime();
		long endTime = end.getTime();

		return nowTime >= startTime && nowTime <= endTime;

	}

	/**
	 * 根据日期获取 星期 （2019-05-06 ——> 星期一）
	 * 
	 * @param datetime
	 * @return
	 */
	public static String dateToWeek(String datetime) {

		SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
//        String[] weekDays = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
		String[] weekDays = { "7", "1", "2", "3", "4", "5", "6" };
		Calendar cal = Calendar.getInstance();
		Date date;
		try {
			date = f.parse(datetime);
			cal.setTime(date);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		// 一周的第几天
		int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
		if (w < 0)
			w = 0;
		return weekDays[w];
	}

	/**
	 * 2019-10-24T00:30:23.000Z 转化时间
	 */
	public static String dealDateFormat(String oldDateStr, int num) {
		DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX"); // yyyy-MM-dd'T'HH:mm:ss.SSSZ
		Date date = null;
		try {
			date = df.parse(oldDateStr);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		SimpleDateFormat df1 = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
		Date date1 = null;
		try {
			date1 = df1.parse(date.toString());
		} catch (ParseException e) {
			e.printStackTrace();
		}
		DateFormat df2 = null;
		if (num == 1) {
			df2 = new SimpleDateFormat("yyyy-MM-dd' 'HH:mm:ss");
		} else if (num == 2) {
			df2 = new SimpleDateFormat("HH:mm");
		} else if (num == 3) {
			df2 = new SimpleDateFormat("yyyy-MM-dd' 'HH:mm");
		}

		return df2.format(date1);
	}

	/**
	 * 时间转换时间戳
	 */
	public static String dateToStamp(String s) {
		String res;
		SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date date = null;
		try {
			date = simpleDateFormat.parse(s);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		long ts = date.getTime();
		res = String.valueOf(ts);
		return res;
	}

}