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    /**
     * @author he
     *
     *
     * °ÑDateת»»³ÉString£¬ÒÔyyyy-MM-dd HH:mm:ssµÄÐÎʽÏÔʾ
     */
    public static String DateToString(Date tempDate) {
        String date_str = "";
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // ¹æ¶¨ÈÕÆÚ¸ñʽ
        try {
            date_str = formatter.format(tempDate);
        } catch (Exception ex) {
            date_str = "";
        }
        return date_str;
    }
    /**
     * @authorhe
     *
     *
     * °ÑStringת»»³ÉDate£¬ÐÎʽΪyyyy-MM-dd HH:mm:ss
     */
    public static Date StringToDate(String dateStr) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // ¹æ¶¨ÈÕÆÚ¸ñʽ
        long long_temp = 0;
        Date tempDate;
        try {
            long_temp = formatter.parse(dateStr).getTime();// ÏÈת»»³ÉlongÐÍ
            tempDate = new Date(long_temp); // ÔÚת»»³ÉDateÐÍ
        } catch (Exception ex) {
            tempDate = null;
        }
        return tempDate;
    }


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