毕业设计管理系统（SSM-Layui框架毕业设计）.zip

package com.ahpu.util; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import java.sql.Timestamp; import java.text.DateFormat; import java.text.ParseException; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.*; /** * 时间类的工具类 * * */ public class DateUtil { private static final TimeZone timeZone = TimeZone.getTimeZone("GMT+08:00"); private static Log log = LogFactory.getLog(DateUtil.class); /** * 获取现在的年月 * */ public static String getTimeNY() { SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM"); return sf.format(new Date()); } public static String getTimeSSS() { SimpleDateFormat sdf = new SimpleDateFormat("SSS"); String format = sdf.format(new Date()); return format; } public static String dateToString(@NotNull Date date) { return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date); } public static String dateToString(@NotNull String template, @NotNull Date date) { return new SimpleDateFormat(template).format(date); } /** * 获取两个时间中的所有时间 * */ public static List<String> getBetweenDates(String dateStart, String dataEnd) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Date begin = null; Date end = null; try { begin = sdf.parse(dateStart); end = sdf.parse(dataEnd); } catch (ParseException e) { log.error(e.toString()); } List<String> result = new ArrayList<String>(); Calendar tempStart = Calendar.getInstance(); tempStart.setTime(begin); while (begin.getTime() <= end.getTime()) { result.add(sdf.format(tempStart.getTime())); tempStart.add(Calendar.DAY_OF_YEAR, 1); begin = tempStart.getTime(); } return result; } public static String thisTime() { SimpleDateFormat fs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return fs.format(new Date()); } /** * 将时间格式化为指定格式 * */ public static String formatDefinition(String time, String format) { SimpleDateFormat fs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S"); SimpleDateFormat f = new SimpleDateFormat(format); Date date; try { date = new Date(fs.parse(time).getTime()); } catch (ParseException e) { try { f.parse(time); return time; } catch (ParseException e1) { return "FormatError"; } } return f.format(date); } /** * 将时间格式化为指定格式 * */ public static String formatDefinition(String time, String format, String zdyFormat) { SimpleDateFormat fs = new SimpleDateFormat(zdyFormat); SimpleDateFormat f = new SimpleDateFormat(format); Date date; try { date = new Date(fs.parse(time).getTime()); } catch (ParseException e) { try { f.parse(time); return time; } catch (ParseException e1) { return "FormatError"; } } return f.format(date); } /** * 把yyyy-MM-dd HH:mm:ss.S格式的时候格式化为yyyy-MM-dd HH:mm:ss格式 * */ public static String formatDeleteSecond(String time) { SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); SimpleDateFormat fs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S"); Date date; try { date = new Date(fs.parse(time).getTime()); } catch (ParseException e) { try { f.parse(time); return time; } catch (ParseException e1) { return "Error"; } } return f.format(date); } /** * @param day 推移的天数 * @return date时间加天数的日期 */ public static String addDate(String date, int day) { GregorianCalendar calendar = new GregorianCalendar(); calendar.setTime(getDate(date, "yyyy-MM-dd")); calendar.add(GregorianCalendar.DAY_OF_MONTH, day); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); return format.format(calendar.getTime()); } /** * @param date 当前日期值 * @param year 推移的年数 * @param formatStr 返回的格式 * @return date时间加天数的日期 * @author Mengfw */ public static String addYear(String date, int year, String formatStr) { GregorianCalendar calendar = new GregorianCalendar(); calendar.setTime(getDate(date, "yyyy-MM-dd")); calendar.add(GregorianCalendar.YEAR, year); SimpleDateFormat format = new SimpleDateFormat(formatStr); return format.format(calendar.getTime()); } public static String addDate2(String date, int day) { GregorianCalendar calendar = new GregorianCalendar(); calendar.setTime(getDate(date, "yyyyMMdd")); calendar.add(GregorianCalendar.DAY_OF_MONTH, day); SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd"); return format.format(calendar.getTime()); } public static String addWeek(String date, int week) { GregorianCalendar calendar = new GregorianCalendar(); calendar.setTime(getDate(date, "yyyy-MM-dd")); calendar.add(GregorianCalendar.WEEK_OF_YEAR, week); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); return format.format(calendar.getTime()); } public static String addMonth(String date, int month) { GregorianCalendar calendar = new GregorianCalendar(); calendar.setTime(getDate(date, "yyyy-MM-dd")); calendar.add(GregorianCalendar.MONTH, month); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); return format.format(calendar.getTime()); } /** * 日期转换成字符串 把长日期 yyyy-MM-dd HH:mm 转换成短日期格式 yyyy-MM-dd */ public static String dateToString(String StrDate) { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd"); String dd = d.format(isToDate(StrDate)); return dd; } /** * * 日期转换成字符串 把长日期 yyyy-MM-dd HH:mm 转换成短日期格式 yyyy-MM-dd HH:mm:ss */ public static String dateToStringSecond(String strDate) { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date; String dd; try { date = d.parse(strDate); dd = d.format(date); return dd; } catch (Exception e) { log.error(e.toString()); return ""; } } public static synchronized String formatDate(int dateNum) { String result = ""; SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd"); try { Date date = formatter.parse(String.valueOf(dateNum)); SimpleDateFormat formatter1 = new SimpleDateFormat("yyyy-MM-dd"); result = formatter1.format(date); } catch (Exception e) { } return result; } public static synchronized int formatDate(Date date) { String result = "0"; try { SimpleDateFormat formatter1 = new SimpleDateFormat("yyyyMMdd"); result = formatter1.format(date); } catch (Exception e) { } return Integer.parseInt(result); } /** * @param msel 毫秒时间 * @return 毫秒时间 所对应的"yyyy-MM-dd HH:mm"格式的日期 */ public static String formatTime(long msel) { Date date = new Date(msel); SimpleDateFormat formatter = new SimpleDateFor