String s = "2003-9-2";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String result = sdf.format(sdf.parse(s));
System.out.println(result);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String result = sdf.format(sdf.parse(s));
System.out.println(result);
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
String dateValue=sdf.format(date);
return dateValue;}
String dateValue = sdf.format(new java.util.Date());
System.out.println(dateValue);
//获取系统时间
Date date=new Date();
java.text.SimpleDateFormat dformat1=new java.text.SimpleDateFormat("yyyy");
java.text.SimpleDateFormat dformat2=new java.text.SimpleDateFormat("MM");
java.text.SimpleDateFormat dformat3=new java.text.SimpleDateFormat("dd");
java.text.SimpleDateFormat dformat4=new java.text.SimpleDateFormat("HH");
java.text.SimpleDateFormat dformat5=new java.text.SimpleDateFormat("mm");
java.text.SimpleDateFormat dformat6=new java.text.SimpleDateFormat("ss");//转换格式为字符串
String strYear=dformat1.format(date);
String strMonth=dformat2.format(date);
String strDay=dformat3.format(date);
String strHour=dformat4.format(date);
String strMinute=dformat5.format(date);
String strSecond=dformat6.format(date);