package studio.uphie.one.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
/**
* Created by Uphie on 2015/9/6.
* Email: uphie7@gmail.com
*/
public class TimeUtil {
public static final long DAY_VALUE = 1000 * 60 * 60 * 24;
/**
* HH:mm，时间格式
*/
private static SimpleDateFormat hourFormat = new SimpleDateFormat(
"HH:mm", Locale.getDefault());
/**
* yyyy年MM月dd日 HH:mm:ss，时间格式
*/
private static SimpleDateFormat timeFormat = new SimpleDateFormat(
"yyyy年MM月dd日 HH:mm:ss", Locale.getDefault());
/**
* yyyy-MM-dd，时间格式
*/
private static SimpleDateFormat format_date = new SimpleDateFormat("yyyy-MM-dd");
/**
* 时间格式，注：
* h am/pm 中的小时数（1-12） Number 12
* H 一天中的小时数（0-23） Number 0
* k 一天中的小时数（1-24） Number 24
* K am/pm 中的小时数（0-11） Number 0
*/
private static SimpleDateFormat format_time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
/**
* 获取当前日期，eg: 2015-09-06
*
* @return
*/
public static String getDate() {
return format_date.format(new Date());
}
/**
* 获取指定时间的日期，eg: 2015-09-06
*
* @param time 2015-08-26 17:16:12 格式
* @return
*/
public static String getDate(String time) {
try {
Date date = format_time.parse(time);
return format_date.format(date);
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
/**
* 获取英文格式的日期，eg: Sep. 9,2015
*
* @param date
* @return
*/
public static String getEngDate(String date) {
try {
Date d = format_date.parse(date);
StringBuilder builder = new StringBuilder();
switch (d.getMonth()) {
case 0:
builder.append("January");
break;
case 1:
builder.append("February");
break;
case 2:
builder.append("March");
break;
case 3:
builder.append("April");
break;
case 4:
builder.append("May");
break;
case 5:
builder.append("June");
break;
case 6:
builder.append("July");
break;
case 7:
builder.append("Aguest");
break;
case 8:
builder.append("September");
break;
case 9:
builder.append("October");
break;
case 10:
builder.append("November");
break;
case 11:
builder.append("December");
break;
}
builder.append(" " + new SimpleDateFormat("dd,yyyy").format(d));
return builder.toString();
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
/**
* 将指定日期进行偏移，获取偏移后的日期，eg:2015-09-06
*
* @param date 要偏移的日期，需是"2015-09-06"格式
* @param offset 偏移的值，可正可负
* @return
*/
public static String getPreviousDate(String date, int offset) {
try {
Date d = format_date.parse(date);
Calendar calendar = Calendar.getInstance();
calendar.setTime(d);
calendar.roll(Calendar.DAY_OF_MONTH, -offset + 1);
return format_date.format(calendar.getTime());
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
/**
* 获得日期中的日
*
* @param date
* @return
*/
public static String getDay(String date) {
try {
Date d = format_date.parse(date);
Calendar calendar = Calendar.getInstance();
calendar.setTime(d);
int day = calendar.get(Calendar.DAY_OF_MONTH);
return day < 10 ? "0" + day : "" + day;
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
/**
* 月份和年
*
* @param date
* @return
*/
public static String getMonthAndYear(String date) {
try {
Date d = format_date.parse(date);
StringBuilder builder = new StringBuilder();
switch (d.getMonth()) {
case 0:
builder.append("Jan,");
break;
case 1:
builder.append("Feb,");
break;
case 2:
builder.append("Mar,");
break;
case 3:
builder.append("Apr,");
break;
case 4:
builder.append("May,");
break;
case 5:
builder.append("Jun,");
break;
case 6:
builder.append("Jul,");
break;
case 7:
builder.append("Agg,");
break;
case 8:
builder.append("Sep,");
break;
case 9:
builder.append("Oct,");
break;
case 10:
builder.append("Nov,");
break;
case 11:
builder.append("Dec,");
break;
}
builder.append(d.getYear() + 1900);
return builder.toString();
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
/**
* 获取目标时间距离当前时间的天数的差值
*
* @param time 目标时间
* @return 天数差值
*/
public static long getDateDifference(String time) {
try {
Date date = format_date.parse(time);
Calendar now = Calendar.getInstance();
now.clear(Calendar.HOUR);
now.clear(Calendar.MINUTE);
now.clear(Calendar.SECOND);
now.clear(Calendar.MILLISECOND);
long dif = now.getTimeInMillis() - date.getTime();
return dif / DAY_VALUE;
} catch (ParseException e) {
e.printStackTrace();
}
return -1;
}
/**
* 转换成HH:mm的时间格式
*
* @param date
* @return
*/
public static String toSimpleTime(Date date) {
return hourFormat.format(date);
}
public static String toCommonTime(Date date) {
return timeFormat.format(date);
}
}