将Date转换为String

  //将Date转换为String，精确到分钟
    public static String getString(Date d){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(d);
        int month = calendar.get(Calendar.MONTH)+1;
        String s = ""+calendar.get(Calendar.YEAR)+month+
                calendar.get(Calendar.DAY_OF_MONTH)+calendar.get(Calendar.HOUR_OF_DAY)+
                calendar.get(Calendar.MINUTE);
        return s;
    }

 

//将一个日期按指定的格式转换成字符串

      SimpleDateFormat sdf=new SimpleDateFormat("yyyy-M-dd HH:mm");
      Date date=new Date();
      System.out.println(date);
      StringBuffer sb=new StringBuffer();
      sdf.format(date, sb, new FieldPosition(1));
      System.out.print(sb.toString());

//将一个日期按指定的格式转换成字符串

    Date d = new Date();
    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    System.out.println(format.format(d));

//将一个日期按指定的格式转换成字符串

System.out.println(DateFormat.getDateTimeInstance().format(new Date()));