Method isDate

src/main/java/util/ExcelUtils.java:269–280

时间是否合格 @param strDate 时间 @param dateFormat "yyyy-MM-dd" @param legalLen 10 , 19 @return

(String strDate, String dateFormat, int legalLen)

     * @return
     */
    private static boolean isDate(String strDate, String dateFormat, int legalLen) {
        if ((strDate == null) || (strDate.length() != legalLen)) {
            return false;
        }
        try {
            SimpleDateFormat formatter = new SimpleDateFormat(dateFormat);
            Date date = formatter.parse(strDate);
            return strDate.equals(formatter.format(date));
        } catch (Exception e) {
            return false;
        }
    }