| 设置系统默认时区 |
TimeZone tz = TimeZone.getTimeZone("Asia/Shanghai");
TimeZone.setDefault(tz); |
| 获取系统默认时区 |
String str = TimeZone.getDefault().getDisplayName();
Log.e("gmx",str); |
| 日期计算过程中 临时时区 |
final Calendar now = Calendar.getInstance();
TimeZone tz = TimeZone.getTimeZone("Asia/Shanghai");
now.setTimeZone(tz); |
| Date2String |
public static String date2String(java.util.Date date, String pattern) {
SimpleDateFormat formatter = new SimpleDateFormat(pattern);
String dateString = formatter.format(date);
return dateString;
} |
| Data2Timestamp |
public static int date2TimeStamp(Date time) {
return (int)(time.getTime()/1000);
} |
| Timestamp2String |
public static String timeStamp2String(long timeStamp) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = formatter.format(timeStamp * 1000);
return dateString;
}
public static String timeStamp2String(long timeStamp, String pattern) {
SimpleDateFormat formatter = new SimpleDateFormat(pattern);
String dateString = formatter.format(timeStamp * 1000);
return dateString;
} |
| String2Date |
public static Date string2Date(String timeStr,String pattern) {
SimpleDateFormat formatter = new SimpleDateFormat(pattern);
//formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
ParsePosition pos = new ParsePosition(0);
Date result = formatter.parse(timeStr, pos);
return result;
}
(红色标识处表示使用自定义TimeZone而不使用系统默认，该函数可用于其它转换方法（其它方法省略使用系统默认）) |
| String2Timestamp |
public static int string2Timestamp(String timeStr, String pattern) {
Date time = string2Date(timeStr,pattern);
return (int)(time.getTime()/1000);
} |
| get now date/time/hours minutes/seconds string ... |
public static String getNowString(String pattern) {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat(pattern);
String dateString = formatter.format(currentTime);
return dateString;
} |
pattern: such as yyyy-MM-dd HH:mm:ss/yyyy-MM-dd/HH:mm:ss/mm:ss/mm/ss/HH ..
备注：以上转换均需设置为需要使用的区时。
