FormatUtils java格式化 随笔

import java.text.DecimalFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class FormatUtils {public static Date stringToDate(String str) {SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd");Date date = null;try {date = sdf.parse(str);} catch (ParseException e) {e.printStackTrace();}return date;}/**     * 将yyyy-MM-dd时间改为yyyy年MM月dd日     * @param date yyyy-MM-dd格式的时间     * @return     */    public static String getDateWithNYRFormaterByLine(String date){        String newDateDisplay = date;        Date newDate = FormatUtils.stringToDate(date);        if (newDate != null){        SimpleDateFormat newSimpleDateFormat = new SimpleDateFormat("yyyy年MM月dd日");        newDateDisplay = newSimpleDateFormat.format(newDate);        }        return newDateDisplay;    }/*** 格式化钱** @param num* @return #,###,##0.00*/public static String formatMoney(Double num) {if (null == num) {return "0.00";}num = Double.valueOf(Math.round(num * 100)) / 100;DecimalFormat Formatter = new DecimalFormat("#,###,##0.00");return Formatter.format(num);}/**     * 格式化日期     */    public static String formatDateTime(Date date) {        if (null == date)            return "";        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        simpleDateFormat.setLenient(false);        return simpleDateFormat.format(date);    }/**     * 格式化日期     */    public static String formatDate(Date date) {        if (null == date)            return "";        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");        simpleDateFormat.setLenient(false);        return simpleDateFormat.format(date);    }    public static String formatYearMonth(Date date) {        if (null == date)            return "";        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM");        simpleDateFormat.setLenient(false);        return simpleDateFormat.format(date);    }    public static String formatYearMonthWithChinese(Date date) {        if (null == date)            return "";        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy年MM月");        simpleDateFormat.setLenient(false);        return simpleDateFormat.format(date);    }    public static Date praseStringToDate(String dateString) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");try {return sdf.parse(dateString);} catch (Exception e) {e.printStackTrace();return null;}}}