JavaSE 日期类型与字符串类型的相互转换

Posted 2020-08-14

package cn.zwq.convert;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 日期类型与字符串类型的相互转换
 * 
 * @author zwq
 * @version V1.0
 * @Date 2016年10月11日 下午8:28:04
 *
 */
public class DateConvert {
    public static void main(String[] args) {
        Date date = stringToDate("1979-01-01");
        //Date date = stringToDate("19790101");
        //Date date = stringToDate("1979.01.01");
        //Date date = stringToDate("1979/01/01");
        //Date date = stringToDate("1979年01月01日");
        String string = dateToString(date);
        System.out.println(string);
    }

    public static Date stringToDate(String string) {
        SimpleDateFormat[] simpleDateFormats = {
                new SimpleDateFormat("yyyy-MM-dd"),
                new SimpleDateFormat("yyyyMMdd"),
                new SimpleDateFormat("yyyy.MM.dd"),
                new SimpleDateFormat("yyyy/MM/dd"),
                new SimpleDateFormat("yyyy年MM月dd日") };
        for (int i = 0; i < simpleDateFormats.length; i++) {
            try {
                Date date = simpleDateFormats[i].parse(string);
                return date;

            } catch (ParseException e) {
                continue;
            }
        }
        return null;
    }

    public static String dateToString(Date date) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy年MM月dd日");
        String string = simpleDateFormat.format(date);
        return string;
    }
}