将某个日期以固定格式转化成字符串

    /*将某个日期以固定格式转化成字符串 
    *@paramdate 
    *@returnstr 
    */ 
    public String dateToStr(java.util.Date date) { 
      SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
      String str = sdf.format(date); 
      return str; 
    }