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【time】获取精确系统时间转化成字符串

2017年12月05日 ⁄ 综合 ⁄ 共 1171字 ⁄ 字号 评论关闭
public String getCurrentDate() {

    TimeZone tz = TimeZone.getDefault();

    Calendar ca = Calendar.getInstance(tz);

    String strYear = String.valueOf(ca.get(Calendar.YEAR));

    String strMonth = String.valueOf(ca.get(Calendar.MONTH) + 1);

    String strDate = String.valueOf(ca.get(Calendar.DATE));

    String SysDate = null;

    String hour, minute, second;

    if ((ca.get(Calendar.MONTH) + 1) <= 9 && ca.get(Calendar.DATE) <= 9) {

        SysDate = strYear + "0" + strMonth + "0" + strDate;

    } else if ((ca.get(Calendar.MONTH) + 1) > 9

            && ca.get(Calendar.DATE) > 9) {

        SysDate = strYear + strMonth + strDate;

    } else if ((ca.get(Calendar.MONTH) + 1) <= 9

            && ca.get(Calendar.DATE) > 9) {

        SysDate = strYear + "0" + strMonth + strDate;

    } else if ((ca.get(Calendar.MONTH) + 1) > 9

            && ca.get(Calendar.DATE) <= 9) {

        SysDate = strYear + strMonth + "0" + strDate;

    }

    if (ca.get(Calendar.HOUR_OF_DAY) < 10) {

        hour = "0" + String.valueOf(ca.get(Calendar.HOUR_OF_DAY));

    } else {

        hour = String.valueOf(ca.get(Calendar.HOUR_OF_DAY));

    }

    if (ca.get(Calendar.MINUTE) < 10) {

        minute = "0" + String.valueOf(ca.get(Calendar.MINUTE));

    } else {

        minute = String.valueOf(ca.get(Calendar.MINUTE));

    }

    if (ca.get(Calendar.SECOND) < 10) {

        second = "0" + String.valueOf(ca.get(Calendar.SECOND));

    } else {

        second = String.valueOf(ca.get(Calendar.SECOND));

    }

    SysDate = SysDate + hour + minute + second;

    return SysDate;

}

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