提交 | 用户 | age
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package com.hx.util; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.Calendar; |
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import java.util.Date; |
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import java.util.Locale; |
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public class DateUtil { |
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private static SimpleDateFormat Format_1 = new SimpleDateFormat("yyyyMMdd"); |
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private static SimpleDateFormat Format_2 = new SimpleDateFormat("yyyyMMddHHmmss"); |
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private static SimpleDateFormat Format_3 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
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private static SimpleDateFormat Format_4 = new SimpleDateFormat("yyyy-MM-dd"); |
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private static SimpleDateFormat Format_5 = new SimpleDateFormat("HH:mm:ss"); |
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private static SimpleDateFormat Format_6 = new SimpleDateFormat("yyyyMM"); |
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private static SimpleDateFormat Format_7 = new SimpleDateFormat("MM月dd日 HH:mm"); |
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private static SimpleDateFormat Format_8 = new SimpleDateFormat("yyyy年MM月"); |
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private static SimpleDateFormat Format_9 = new SimpleDateFormat("MM-dd"); |
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private static SimpleDateFormat Format_10 = new SimpleDateFormat("yyyy年MM月dd日"); |
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private static SimpleDateFormat Format_11 = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss"); |
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private static SimpleDateFormat Format_12 = new SimpleDateFormat("yyyyMMddHHmm"); |
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private static SimpleDateFormat Format_13 = new SimpleDateFormat("yyyy/MM/dd"); |
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private static SimpleDateFormat Format_14 = new SimpleDateFormat("yyyy-MM"); |
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private static SimpleDateFormat Format_15 = new SimpleDateFormat("yyyyMMddHHmmssSSS"); |
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private static SimpleDateFormat Format_16 = new SimpleDateFormat("yyyy/MM/dd HH:mm"); |
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private static SimpleDateFormat Format_17 = new SimpleDateFormat("HH:mm"); |
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894d12
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/**时间格式转化iso8601 |
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* @param date 时间 |
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* @return 返回的时间格式字符串 |
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*/ |
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public static String dateFormatISO8601(Date date) { |
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if(!SimpleTool.checkNotNull(date)){ |
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return ""; |
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} |
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SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX");//设置日期格式 |
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return df.format(date); |
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} |
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5c5945
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/**时间格式转化 |
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* @param date 时间 |
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* @param format 时间格式 |
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* @return 返回的时间格式字符串 |
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*/ |
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public static String dateFormat(Date date, String format) { |
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if(!SimpleTool.checkNotNull(date)){ |
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return ""; |
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} |
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SimpleDateFormat df = new SimpleDateFormat(format);//设置日期格式 |
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return df.format(date); |
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} |
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f2a234
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/**时间戳转时间 |
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* @param timestamp 时间戳 |
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* @param format 时间格式 |
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* @return 返回的时间格式字符串 |
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*/ |
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public static Date timestampToDate(long timestamp, String format) { |
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SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
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String sd = sdf.format(new Date(timestamp)); // 时间戳转换成时间 |
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return DateUtil.parseString(sd,"yyyy-MM-dd HH:mm:ss"); |
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} |
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/** |
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* 转换成yyyyMMdd格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate(Date date) { |
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return Format_1.format(date); |
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} |
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/** |
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* 转换成yyyyMMddHHmmss格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_1(Date date) { |
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return Format_2.format(date); |
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} |
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/** |
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* 转换成yyyy-MM-dd HH:mm:ss格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_2(Date date) { |
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return date == null ? null : Format_3.format(date); |
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} |
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/** |
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* 转换成yyyy-MM-dd格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_3(Date date) { |
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return date != null ? Format_4.format(date) : null; |
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} |
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/** |
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* 转换成HH:mm:ss格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_4(Date date) { |
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return Format_5.format(date); |
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} |
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/** |
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* 转换成yyyyMM格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_5(Date date) { |
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return Format_6.format(date); |
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} |
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/** |
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* 转换成mm月dd日 HH:mm格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_6(Date date) { |
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return Format_7.format(date); |
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} |
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/** |
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* 转换成yyyy年mm月格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_7(Date date) { |
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return Format_8.format(date); |
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} |
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/** |
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* 转换成mm-dd格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_8(Date date) { |
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return Format_9.format(date); |
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} |
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/** |
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* 转换成yyyy年MM月dd日格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_9(Date date) { |
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return Format_10.format(date); |
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} |
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/** |
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* 转换成yyyyMMddHHmm格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_11(Date date) { |
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return Format_12.format(date); |
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} |
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/** |
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* 转换成yyyy年MM月dd日 HH:mm:ss格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_10(Date date) { |
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return Format_11.format(date); |
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} |
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/** |
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* 转换成yyyy/MM/dd 格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_13(Date date) { |
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return Format_13.format(date); |
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} |
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/** |
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* 转换成yyyy-MM 格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_14(Date date) { |
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return Format_14.format(date); |
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} |
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/** |
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* 当前时间之前的时间与当前时间相差多少秒 |
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* @param startDate 当前时间之前的时间 |
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* @return |
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*/ |
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public static int calLastedTime(Date startDate) { |
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long nowDate = new Date().getTime(); |
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long startDateTime = startDate.getTime(); |
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int diffSeconds = (int) ((nowDate - startDateTime) / 1000); |
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return diffSeconds; |
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} |
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/** |
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* 转换成yyyyMMddHHmmssSSS格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_15(Date date) { |
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return Format_15.format(date); |
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} |
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/** |
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* 转换成yyyy/MM/dd HH:mm格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_16(Date date) { |
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return Format_16.format(date); |
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} |
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/** |
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* 转换成HH:mm格式的日期字符串 |
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* |
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* @param date |
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* @return |
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*/ |
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public static String formatDate_17(Date date) { |
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return Format_17.format(date); |
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} |
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/** |
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* 转换成字符串yyyyMMddHHmmss成日�? |
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* |
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* @param str |
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* @return |
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* @throws Exception |
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*/ |
190d78
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public static Date parseString(String str) { |
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try { |
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return Format_2.parse(str); |
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}catch (Exception e) |
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{ |
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return null; |
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} |
5c5945
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} |
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/** |
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* 转换成字符串到指定的日期 |
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* |
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* @param str |
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* @param format |
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* @return |
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* @throws Exception |
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*/ |
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public static Date parseString(String str, String format) { |
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SimpleDateFormat sdf = new SimpleDateFormat(format); |
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try{ |
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return sdf.parse(str); |
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}catch (Exception e) |
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{ |
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return null; |
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} |
5c5945
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} |
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cd868c
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/**字符串转成时间yyyy-MM-dd HH:mm:ss*/ |
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public static Date parseString_1(String str) |
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{ |
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try{ |
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return Format_3.parse(str); |
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}catch (Exception e) |
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{ |
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return null; |
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} |
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} |
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/**字符串转成时间yyyy-MM-dd*/ |
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public static Date parseString_2(String str) |
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{ |
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try{ |
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return Format_4.parse(str); |
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}catch (Exception e) |
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{ |
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return null; |
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} |
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} |
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1daac0
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/**时间上秒叠加 |
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* @Author: ChenJiaHe |
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* @param dateTime 时间 |
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* @param second 秒 |
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* @return |
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*/ |
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public static Date addSecond(Date dateTime,int second){ |
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Calendar c = Calendar.getInstance(); |
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c.setTime(dateTime); |
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c.add(Calendar.SECOND, second); |
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return c.getTime(); |
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} |
cd868c
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5c5945
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/**时间上分钟叠加 |
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* @Author: ChenJiaHe |
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* @param dateTime 时间 |
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* @param min 分钟 |
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* @return |
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*/ |
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public static Date addMin(Date dateTime,int min){ |
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Calendar c = Calendar.getInstance(); |
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c.setTime(dateTime); |
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c.add(Calendar.MINUTE, min); |
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return c.getTime(); |
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} |
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/**时间上小时叠加 |
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* @Author: ChenJiaHe |
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* @param dateTime 时间 |
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* @param hour 小时 |
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* @return |
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*/ |
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public static Date addhour(Date dateTime,int hour){ |
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Calendar c = Calendar.getInstance(); |
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c.setTime(dateTime); |
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c.add(Calendar.HOUR, hour); |
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return c.getTime(); |
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} |
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/**时间上天数叠加 |
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* @Author: ChenJiaHe |
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* @param dateTime 时间 |
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* @param dayNum 天数 |
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* @return |
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*/ |
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public static Date addDay(Date dateTime,int dayNum){ |
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Calendar c = Calendar.getInstance(); |
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c.setTime(dateTime); |
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c.add(Calendar.DATE, dayNum); |
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return c.getTime(); |
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} |
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76b630
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/**时间上月数叠加 |
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* @Author: ChenJiaHe |
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* @param dateTime 时间 |
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* @param dayNum 天数 |
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* @return |
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*/ |
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public static Date addMonth(Date dateTime,int dayNum){ |
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Calendar c = Calendar.getInstance(); |
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c.setTime(dateTime); |
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c.add(Calendar.MONTH, dayNum); |
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return c.getTime(); |
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} |
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f06126
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/**时间上年数叠加 |
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* @Author: ChenJiaHe |
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* @param dateTime 时间 |
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* @param dayNum 天数 |
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* @return |
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*/ |
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public static Date addYear(Date dateTime,int dayNum){ |
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Calendar c = Calendar.getInstance(); |
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c.setTime(dateTime); |
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c.add(Calendar.YEAR, dayNum); |
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return c.getTime(); |
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} |
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5c5945
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/** |
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* 转换成字符串到指定的日期 |
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* |
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* @param date |
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* @param format |
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* @return |
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* @throws Exception |
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*/ |
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public static String formatDate(Date date, String format) { |
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if (date == null) { |
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return null; |
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} |
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SimpleDateFormat sdf = new SimpleDateFormat(format, Locale.CHINA); |
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return sdf.format(date); |
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} |
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/**日期转星期 |
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* @param dateTime 字符串时间 |
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* @param format 字符串时间格式 |
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* @param returnType 返回类型 0星期几1周几 |
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* @return 数据 |
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*/ |
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public static String dateToWeek(String dateTime,String format,Integer returnType) throws ParseException { |
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SimpleDateFormat f = new SimpleDateFormat(format); |
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String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; |
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if(SimpleTool.checkNotNull(returnType)&&returnType==1){ |
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weekDays = new String[]{"周日", "周一", "周二", "周三", "周四", "周五", "周六"}; |
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} |
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Calendar cal = Calendar.getInstance(); // 获得一个日历 |
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Date datet = null; |
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datet = f.parse(dateTime); |
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cal.setTime(datet); |
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int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。 |
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if (w < 0) |
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w = 0; |
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return weekDays[w]; |
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} |
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|
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/**日期转星期 |
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* @param dateTime 时间 |
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* @param returnType 返回类型 0星期几1周几 |
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* @return 数据 |
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*/ |
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public static String dateToWeek(Date dateTime,Integer returnType) { |
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String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; |
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if(SimpleTool.checkNotNull(returnType)&&returnType==1){ |
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weekDays = new String[]{"周日", "周一", "周二", "周三", "周四", "周五", "周六"}; |
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} |
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Calendar cal = Calendar.getInstance(); // 获得一个日历 |
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cal.setTime(dateTime); |
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int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。 |
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if (w < 0) |
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w = 0; |
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return weekDays[w]; |
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} |
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db7fc9
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/** |
336175
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* 获取两个时间相差分钟数 |
A |
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* @param startTime 开始时间 |
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* @param endTime 结束时间 |
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* @return 分钟 |
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*/ |
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448 |
public static long differMinute(Date startTime, Date endTime) { |
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long NTime = startTime.getTime(); |
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long OTime = endTime.getTime(); |
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return (NTime - OTime) / 1000 / 60; |
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} |
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/** |
db7fc9
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* endTime比startTime多的天数 |
C |
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* @param startTime 最小时间 |
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* @param endTime 最大时间 |
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* @return |
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*/ |
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460 |
public static Integer differDay(Date startTime,Date endTime){ |
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461 |
Calendar cal1 = Calendar.getInstance(); |
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cal1.setTime(startTime); |
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Calendar cal2 = Calendar.getInstance(); |
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cal2.setTime(endTime); |
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int day1= cal1.get(Calendar.DAY_OF_YEAR); |
|
467 |
int day2 = cal2.get(Calendar.DAY_OF_YEAR); |
|
468 |
|
|
469 |
int year1 = cal1.get(Calendar.YEAR); |
|
470 |
int year2 = cal2.get(Calendar.YEAR); |
|
471 |
if(year1 != year2) { //同一年 |
|
472 |
int timeDistance = 0 ; |
|
473 |
for(int i = year1 ; i < year2 ; i ++) { |
|
474 |
if(i%4==0 && i%100!=0 || i%400==0) {//闰年 |
|
475 |
timeDistance += 366; |
|
476 |
} |
|
477 |
else {//不是闰年 |
|
478 |
timeDistance += 365; |
|
479 |
} |
|
480 |
} |
|
481 |
|
|
482 |
return timeDistance + (day2-day1) ; |
|
483 |
} |
|
484 |
else { //不同年 |
|
485 |
System.out.println("判断day2 - day1 : " + (day2-day1)); |
|
486 |
return day2-day1; |
|
487 |
} |
|
488 |
} |
|
489 |
|
5c5945
|
490 |
/**判断两个时间是不是同一天*/ |
E |
491 |
public static boolean timeEqual(Date startTime,Date endTime){ |
|
492 |
if(startTime == null || endTime==null){ |
|
493 |
return false; |
|
494 |
} |
|
495 |
boolean status = false; |
|
496 |
if(formatDate(startTime,"yyyyMMdd").equals(formatDate(endTime,"yyyyMMdd"))){ |
6f2306
|
497 |
status = true; |
5c5945
|
498 |
} |
E |
499 |
return status; |
|
500 |
} |
|
501 |
|
63b0b0
|
502 |
/**把秒转换成X天X时X分X秒*/ |
E |
503 |
public static String getChineseStr(Integer second) |
|
504 |
{ |
|
505 |
int day = 24 * 60 * 60; |
|
506 |
int hour = 60 * 60; |
|
507 |
int min = 60; |
|
508 |
|
|
509 |
int dayNum = second / day; |
|
510 |
int hourNum = second % day / hour; |
|
511 |
int minNum = second % day % hour / min; |
|
512 |
second = second % day % hour % min; |
|
513 |
|
|
514 |
String str = dayNum > 0 ? dayNum + "天" : ""; |
|
515 |
str += hourNum > 0 ? hourNum + "时" : ""; |
|
516 |
str += minNum > 0 ? minNum + "分" : ""; |
0ff9b8
|
517 |
str += second + "秒"; |
63b0b0
|
518 |
|
E |
519 |
return str; |
|
520 |
} |
|
521 |
|
387efa
|
522 |
/** |
E |
523 |
* 针对str格式的时间做转换 格式为"xx:xx" |
|
524 |
* @param time 传入的时间 |
|
525 |
* @return 返回分钟如果10:25,则返回625 |
|
526 |
*/ |
|
527 |
public static int getMinuteNum(String time){ |
|
528 |
|
|
529 |
if(!StringUtils.isEmpty(time)) |
|
530 |
{ |
|
531 |
String[] arr = time.split(":"); |
|
532 |
if(arr != null && arr.length == 2) |
|
533 |
{ |
|
534 |
return Integer.parseInt(arr[0]) * 60 + Integer.parseInt(arr[1]); |
|
535 |
} |
|
536 |
} |
|
537 |
|
|
538 |
return 0; |
2e1c15
|
539 |
} |
387efa
|
540 |
|
2e1c15
|
541 |
/** |
C |
542 |
* 获取当前月的开始时间 |
|
543 |
* @param time 时间 |
|
544 |
* @return 返回时间 格式yyyy-MM-dd 00:00:00 |
|
545 |
*/ |
|
546 |
public static Date getMonthStart(Date time) { |
|
547 |
Calendar calendar = Calendar.getInstance(); |
|
548 |
calendar.setTime(time); |
|
549 |
calendar.set(Calendar.DAY_OF_MONTH, 1); |
|
550 |
calendar.set(Calendar.HOUR_OF_DAY, 0); |
|
551 |
calendar.set(Calendar.MINUTE, 0); |
|
552 |
calendar.set(Calendar.SECOND, 0); |
|
553 |
return calendar.getTime(); |
387efa
|
554 |
} |
E |
555 |
|
ba61c9
|
556 |
/** |
F |
557 |
* 获取当前月的开始时间 |
|
558 |
* |
|
559 |
* @param num 0拿取当月,正代表后,负代表前,值为几个(月) |
|
560 |
* @return 返回时间 格式yyyy-MM-dd 00:00:00 |
|
561 |
*/ |
|
562 |
public static String getMonthStart(Integer num) { |
|
563 |
Calendar calendar = Calendar.getInstance(); |
|
564 |
calendar.add(Calendar.MONTH, num); |
|
565 |
calendar.set(Calendar.DAY_OF_MONTH, 1); |
|
566 |
calendar.set(Calendar.HOUR_OF_DAY, 0); |
|
567 |
calendar.set(Calendar.MINUTE, 0); |
|
568 |
calendar.set(Calendar.SECOND, 0); |
|
569 |
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA); |
|
570 |
return sdf.format(calendar.getTime()); |
2e1c15
|
571 |
} |
C |
572 |
|
|
573 |
/** |
|
574 |
* 获取当前月的结束时间 |
ca698f
|
575 |
* @param date 点前时间 |
2e1c15
|
576 |
* @return 返回时间 格式yyyy-MM-dd 23:59:59 |
C |
577 |
*/ |
|
578 |
public static Date getMonthEnd(Date date) { |
|
579 |
Calendar calendar = Calendar.getInstance(); |
|
580 |
calendar.setTime(date); |
|
581 |
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); |
|
582 |
calendar.set(Calendar.HOUR_OF_DAY, 23); |
|
583 |
calendar.set(Calendar.MINUTE, 59); |
|
584 |
calendar.set(Calendar.SECOND, 59); |
|
585 |
return calendar.getTime(); |
ba61c9
|
586 |
} |
F |
587 |
|
|
588 |
/** |
|
589 |
* 获取当前月的结束时间 |
|
590 |
* @param num 0拿取当月,正代表后,负代表前,值为几个(月) |
|
591 |
* @return 返回时间 格式yyyy-MM-dd 23:59:59 |
|
592 |
*/ |
|
593 |
public static String getMonthEnd(Integer num) { |
|
594 |
Calendar calendar = Calendar.getInstance(); |
|
595 |
calendar.add(Calendar.MONTH, num); |
|
596 |
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); |
|
597 |
calendar.set(Calendar.HOUR_OF_DAY, 23); |
|
598 |
calendar.set(Calendar.MINUTE, 59); |
|
599 |
calendar.set(Calendar.SECOND, 59); |
|
600 |
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA); |
|
601 |
return sdf.format(calendar.getTime()); |
|
602 |
} |
|
603 |
|
5bfcd3
|
604 |
/** |
C |
605 |
* 获取当前年的开始时间 |
|
606 |
* @param time 时间 |
|
607 |
* @return 返回时间 格式yyyy-MM-dd 00:00:00 |
|
608 |
*/ |
|
609 |
public static Date getYearStart(Date time) { |
|
610 |
Calendar calendar = Calendar.getInstance(); |
|
611 |
calendar.setTime(time); |
|
612 |
calendar.set(Calendar.MONTH, 1); |
|
613 |
calendar.set(Calendar.DAY_OF_MONTH, 1); |
|
614 |
calendar.set(Calendar.HOUR_OF_DAY, 0); |
|
615 |
calendar.set(Calendar.MINUTE, 0); |
|
616 |
calendar.set(Calendar.SECOND, 0); |
|
617 |
return calendar.getTime(); |
|
618 |
} |
|
619 |
|
ba61c9
|
620 |
/** |
ca698f
|
621 |
* 获取当前年的结束时间 |
C |
622 |
* @param time 时间 |
|
623 |
* @return 返回时间 格式yyyy-MM-dd 00:00:00 |
|
624 |
*/ |
|
625 |
public static Date getYearEnd(Date time) { |
|
626 |
Calendar calendar = Calendar.getInstance(); |
|
627 |
calendar.setTime(time); |
|
628 |
calendar.set(Calendar.MONTH, 12); |
|
629 |
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DATE)); |
|
630 |
calendar.set(Calendar.HOUR_OF_DAY, 23); |
|
631 |
calendar.set(Calendar.MINUTE, 59); |
|
632 |
calendar.set(Calendar.SECOND, 59); |
|
633 |
return calendar.getTime(); |
|
634 |
} |
|
635 |
|
|
636 |
|
|
637 |
/**这天的开始时间 |
ba61c9
|
638 |
* 日期2000-01-01变2000-01-01 00:00:00 |
F |
639 |
*/ |
|
640 |
public static String dayToStart(Date date) { |
|
641 |
Calendar calendar = Calendar.getInstance(); |
|
642 |
calendar.setTime(date); |
05b175
|
643 |
calendar.set(Calendar.HOUR_OF_DAY, 0); |
ba61c9
|
644 |
calendar.set(Calendar.MINUTE, 0); |
F |
645 |
calendar.set(Calendar.SECOND, 0); |
|
646 |
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA); |
|
647 |
return sdf.format(calendar.getTime()); |
|
648 |
} |
|
649 |
|
ca698f
|
650 |
/**这天的最后时间 |
ba61c9
|
651 |
* 日期2000-01-01变2000-01-01 23:59:59 |
F |
652 |
*/ |
|
653 |
public static String dayToEnd(Date date) { |
|
654 |
Calendar calendar = Calendar.getInstance(); |
|
655 |
calendar.setTime(date); |
05b175
|
656 |
calendar.set(Calendar.HOUR_OF_DAY, 23); |
ba61c9
|
657 |
calendar.set(Calendar.MINUTE, 59); |
F |
658 |
calendar.set(Calendar.SECOND, 59); |
|
659 |
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA); |
|
660 |
return sdf.format(calendar.getTime()); |
5bfcd3
|
661 |
} |
C |
662 |
|
ca698f
|
663 |
/**这天的最后时间 |
5bfcd3
|
664 |
* 日期2000-01-01变2000-01-01 23:59:59 |
C |
665 |
*/ |
|
666 |
public static Date dayToEndDate(Date date) { |
|
667 |
Calendar calendar = Calendar.getInstance(); |
|
668 |
calendar.setTime(date); |
05b175
|
669 |
calendar.set(Calendar.HOUR_OF_DAY, 23); |
5bfcd3
|
670 |
calendar.set(Calendar.MINUTE, 59); |
C |
671 |
calendar.set(Calendar.SECOND, 59); |
|
672 |
return calendar.getTime(); |
ba61c9
|
673 |
} |
F |
674 |
|
2e1c15
|
675 |
/**获取月份的天数 |
C |
676 |
* @param date 时间 |
|
677 |
* @return 月份的天数 |
|
678 |
*/ |
|
679 |
public static int getMonthDays(Date date) { |
|
680 |
Calendar cal = Calendar.getInstance(); |
|
681 |
cal.setTime(date); |
|
682 |
cal.set(Calendar.DATE, 1); |
|
683 |
cal.roll(Calendar.DATE, -1); |
|
684 |
return cal.getActualMaximum(Calendar.DATE); |
|
685 |
} |
|
686 |
/**获取月份的天数 |
|
687 |
* @param year 年份 |
|
688 |
* @param month 月份 |
|
689 |
* @return 月份的天数 |
|
690 |
*/ |
|
691 |
public static int getMonthDays(int year, int month) { |
|
692 |
Calendar cal = Calendar.getInstance(); |
|
693 |
cal.set(Calendar.YEAR, year); |
|
694 |
cal.set(Calendar.MONTH, (month - 1)); |
|
695 |
cal.set(Calendar.DATE, 1); |
|
696 |
cal.roll(Calendar.DATE, -1); |
|
697 |
return cal.getActualMaximum(Calendar.DATE); |
|
698 |
} |
|
699 |
|
|
700 |
/**获取月份的天数 |
|
701 |
* @param yearMonth 年月 |
|
702 |
* @param format 时间格式 |
|
703 |
* @return |
|
704 |
*/ |
|
705 |
public static int getMonthDays(String yearMonth,String format) { |
|
706 |
SimpleDateFormat sdf = new SimpleDateFormat(format); |
|
707 |
Calendar calendar = Calendar.getInstance(); |
|
708 |
try { |
|
709 |
calendar.setTime(sdf.parse(yearMonth)); |
|
710 |
} catch (ParseException e) { |
|
711 |
e.printStackTrace(); |
|
712 |
} |
|
713 |
calendar.getActualMaximum(Calendar.DAY_OF_MONTH); |
|
714 |
return calendar.getActualMaximum(Calendar.DAY_OF_MONTH); |
|
715 |
} |
5bfcd3
|
716 |
|
C |
717 |
/**当天多少点前 |
|
718 |
* @param date 时间 |
|
719 |
* @param num 多少点前,不含当点前,24小时制 |
|
720 |
* @return 月份的天数 |
|
721 |
*/ |
|
722 |
public static boolean getFrontMinute(Date date,int num) { |
|
723 |
Calendar cal = Calendar.getInstance(); |
|
724 |
cal.setTime(date); |
05b175
|
725 |
cal.set(Calendar.HOUR_OF_DAY, num-1); |
5bfcd3
|
726 |
cal.set(Calendar.MINUTE, 59); |
C |
727 |
cal.set(Calendar.SECOND, 59); |
|
728 |
|
|
729 |
return date.compareTo(cal.getTime()) < 1; |
|
730 |
} |
8782bc
|
731 |
|
F |
732 |
/** |
|
733 |
* 获得某个日期的当天某点 |
|
734 |
* 例如:2022-12-26 11:20:00 -> 2022-12-26 13:00:00 |
|
735 |
* @param num 24小时 |
|
736 |
*/ |
|
737 |
public static String getHourDayTime(Date date,int num) { |
|
738 |
Calendar calendar = Calendar.getInstance(); |
|
739 |
calendar.setTime(date); |
|
740 |
calendar.set(Calendar.HOUR_OF_DAY, num); |
|
741 |
calendar.set(Calendar.MINUTE, 0); |
|
742 |
calendar.set(Calendar.SECOND, 0); |
|
743 |
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA); |
|
744 |
return sdf.format(calendar.getTime()); |
|
745 |
} |
5c5945
|
746 |
} |