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//日期格式
	public static String formatDateStr(String dateStr){
		String retDate = "";
		if(!"".equals(dateStr) && dateStr != null){
			try{
				SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
				retDate += sdf.format(sdf.parse(dateStr));
			} catch(Exception e){
				LogUtil.getAppDebugLog().error("", e);
			}
			
		}
		return retDate;
	}

Date d = new Date();  
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
String dateNowStr = sdf.format(d);