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unix搜索命令:
find / -name mk/表示查找目录,也可以具体到某个目录以提高效率-name表示以文件名查找
设置默认时区:
TimeZone tz =TimeZone.getTimeZone(”Asia/Shanghai”);
TimeZone.setDefault(tz);
Date date=new Date();
String str=new SimpleDateFormat(”yyyy-MM-dd HH:mm:ss”)。format(date);
System.out.println(str);
设置时间格式的时区:
SimpleDateFormat sdf=new SimpleDateFormat(”yyyy-MM-dd kk:mm:ss “);
sdf.setTimeZone(TimeZone.getTimeZone(”GMT+8″));
Date d = new Date();
System.out.println(sdf.format(d));
设置日历的时区:
Calendar now = Calendar.getInstance();
now.setTimeZone(TimeZone.getTimeZone(”Asia/Shanghai”));//important
System.out.println(now.get(Calendar.YEAR));
System.out.println(now.get(Calendar.MONTH));
System.out.println(now.get(Calendar.DAY_OF_MONTH));
System.out.println(now.get(Calendar.HOUR_OF_DAY));
设置时间格式的时区:
SimpleDateFormat formatter = new SimpleDateFormat(”yyyy-MM-dd HH:mm:ss”, Locale.CHINA);
formatter.setTimeZone(TimeZone.getTimeZone(”GMT+8″));
Date currTime = new Date();
String thisTime = new String(formatter.format(currTime));
System.out.println(”GMT+8:”+thisTime);
系统时区:
String tzId = TimeZone.getDefault()。getID();
System.out.println(”TimeZone.getDefault()。getID():”+tzId);
系统时区:
String zone = System.getProperty(”user.timezone”);
System.out.println(”user.timezone:”+zone);
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没有绝望的处境,只有对处境绝望的人。