java 获取当前时间

Long time=System.currentTimeMillis();

Date date=new Date(time);

String mat="yyyy-MM-dd";

String ma="yyyyMMdd";

SimpleDateFormat format=new SimpleDateFormat(mat);

SimpleDateFormat forma=new SimpleDateFormat(ma);

String nowdate=format.format(date);

String nwdate=forma.format(date);

int x=Integer.parseInt(nwdate);

System.out.println(nowdate);

System.out.println(nwdate);

System.out.println(x);

System.out.println(date);