自备LocalDateTime工具类

Posted 2021-01-27 it-taosir

package cn.zytao.taosir.common.utils;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;

public class DateTimeUtils {

    public static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("HHmmss");
    public static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd");
    public static final DateTimeFormatter DATETIME_FORMATTER =  DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
    
    /**
     * 获取当前系统时间字符串
     * @return
     */
    public static String getLocalTimeString() {
        return LocalTime.now().format(TIME_FORMATTER);
    }
    
    /**
     * 获取当前系统日期字符串
     * @return
     */
    public static String getLocalDateString() {
        return LocalDate.now().format(DATE_FORMATTER);
    }
    
    /**
     * 获取当前系统日期时间字符串
     * @return
     */
    public static String getLocalDateTimeString() {
        return LocalDateTime.now().format(DATETIME_FORMATTER);
    }
    
    public LocalTime  getTime(String time) {
        return LocalTime.parse(time, TIME_FORMATTER);
    }
    
    public LocalDate  getDate(String date) {
        return LocalDate.parse(date, DATE_FORMATTER);
    }
    
    public LocalDateTime getDateTime(String dateTime) {
        return LocalDateTime.parse(dateTime, DATETIME_FORMATTER);
    }
}