import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class Test {
// 1秒钟 的毫秒数
public static long sec_milliseconds = 1000L * 1;
// 1分钟的毫秒数
public static long min_milliseconds = sec_milliseconds * 60;
// 1小时的毫秒数
public static long hour_milliseconds = min_milliseconds * 60;
// 1天的 毫秒数
public static long day_milliseconds = hour_milliseconds * 24;
/**
* 可购买一元只换不修时间区间: [16,45]
*/
private static final int PERIOD_START = 16;
private static final int PERIOD_END = 45;
/**
* 暂定 一元只换不修权益 PackageType为 6
*/
private static final int PACKAGE_TYPE = 6;
/**
* 尚未拥有购买权限
*/
public static final int STATUS_NO_RIGHTS = 1;
/**
* 已购买
*/
public static final int STATUS_PAID = 2;
/**
* 未购买
*/
public static final int STATUS_UNPAID = 3;
/**
* 已失去购买权限
*/
public static final int STATUS_EXPIRED = 4;
/**
* <b>
* 计算距离设备首次登录会员过去多少天；精确到毫秒<br>
* </b>
*
* @param current_timestamp
* @param firstLoginTimestamp
* @return
*/
public static int milliseconds2day(long current_timestamp, long firstLoginTimestamp) {
if (current_timestamp < firstLoginTimestamp) {
System.out.println("Parameter Error! 本地时间 < 首次登录时间");
return 0;
}
SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
sdf1.setTimeZone(TimeZone.getTimeZone("GMT+8"));
String beginDate = sdf1.format(firstLoginTimestamp);
String endDate = sdf1.format(current_timestamp);
return milliseconds2day(beginDate, endDate);
}
public static int milliseconds2day(String loginDate, String currentDate) {
int day = 0;
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
TimeZone time_zone = TimeZone.getTimeZone("GMT+8");
sdf.setTimeZone(time_zone);
Date date1;
Date date2;
try {
date1 = sdf.parse(loginDate);
date2 = sdf.parse(currentDate);
day = (int) ((date2.getTime() - date1.getTime()) / Test.day_milliseconds);
day++;
} catch (ParseException e) {
e.printStackTrace();
}
return day;
}
public static String[] calculateValidPurchaseDate(String pattern, long firstLoginTimestamp) {
TimeZone time_zone = TimeZone.getTimeZone("GMT+8");
String[] date = new String[2];
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(firstLoginTimestamp);
calendar.setTimeZone(time_zone);
long offset = calendar.get(Calendar.HOUR_OF_DAY) * hour_milliseconds
+ calendar.get(Calendar.MINUTE) * min_milliseconds
+ calendar.get(Calendar.SECOND) * sec_milliseconds
+ calendar.get(Calendar.MILLISECOND);
System.out.println("offset=" + offset);
/**
* fixbug: 购买开始时间 为第16天的 00:00:00.000
*/
long start_milliseconds = firstLoginTimestamp + ((PERIOD_START - 1) * day_milliseconds - offset);
long expire_milliseconds = firstLoginTimestamp + (PERIOD_END * day_milliseconds - offset - 1);
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
sdf.setTimeZone(time_zone);
date[0] = sdf.format(new Date(start_milliseconds));
date[1] = sdf.format(new Date(expire_milliseconds));
return date;
}
public static void main(String[] args) {
//2017-10-01 00:00:00 1506787200000L
try {
System.out.println(milliseconds2day("2017-10-01 00:00:00","2017-10-16 00:00:00") + " days");
System.out.println(new Date(1506787201000L));
String[] valid_date = calculateValidPurchaseDate("yyyy-MM-dd HH:mm:ss", 1506787200000L);
System.out.println(valid_date[0] + ", " + valid_date[1]);
System.out.println(new Date(1510278073920L));
System.out.println(new Date(1510278079375L));
} catch (/* Parse */Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
