Android获取系统时间

SimpleDateFormat formatter = new SimpleDateFormat ("yyyy年MM月dd日 HH:mm:ss");//hh12小时
Date curDate = new Date(System.currentTimeMillis());//获取当前时间    HH24小时
String str = formatter.format(curDate);

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SimpleDateFormat sDateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
String date = sDateFormat.format(new java.util.Date());

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SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM");  
String date=sdf.format(new java.util.Date()); 

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df = DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.FULL,Locale.CHINA);
System.out.println(df.format(new Date()));