/** * 2018-05-01T00:00:00.000+08:00转2018-05-01 00:00:00 * @param oldDateStr * @return * @throws ParseException */ public static String dealDateFormat(String oldDateStr) throws ParseException { if(oldDateStr.length()<=10){ return oldDateStr+" 23:59:59"; } DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"); Date date = df.parse(oldDateStr); SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK); Date date1 = df1.parse(date.toString()); DateFormat df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return df2.format(date1); } public static void main(String[] args) throws ParseException { System.out.println(dealDateFormat("2018-05-01")); }