import java.text.*;
import java.util.*;

public class Test79 {
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();// 获取当前时间为更新时间
        Date updateDate = calendar.getTime();
        System.out.println(sdf.format(updateDate));

        String saleTime = "1980-7-1";
        Date saleTime1 = null;
        try {
            saleTime1 = new SimpleDateFormat("yyyy-MM-dd").parse(saleTime);
            System.out.println(saleTime1);
        } catch (ParseException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
    }
}

------解决方案--------------------
SimpleDateFormat sdf  = new SimpleDateFormat("yyyy-MM-dd");
java.util.Date date = new Date();
String strdate = sdf.format(date);


------解决方案--------------------
这我怎么没学过呢..??~~55555555