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DateTimeUtils--时间工具类

王传学 2022-04-22 阅读 71
java

1、LocalDateTime 转 String

/**
 * LocalDateTime 转 String
 * @param dateTime
 * @param pattern
 * @return
 */
public static String dateToStr(LocalDateTime dateTime, String pattern){
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
    return formatter.format(dateTime);
}

2、String 转 LocalDateTime

/**
 * String 转 LocalDateTime
 *
 * @param dateTime
 * @param pattern
 * @return
 */
public static LocalDateTime strToLocalDateTime(String dateTime, String pattern) {
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
    return LocalDateTime.parse(dateTime, formatter);
}

3、LocalDate 转 String

/**
 * LocalDate 转 String
 *
 * @param dateTime
 * @param pattern
 * @return
 */
public static String dateToStr(LocalDate dateTime, String pattern) {
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
    return formatter.format(dateTime);
}

4、String 转 LocalDate

/**
 * String 转 LocalDate
 *
 * @param dateTime
 * @param pattern
 * @return
 */
public static LocalDate strToLocalDate(String dateTime, String pattern) {
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
    return LocalDate.parse(dateTime, formatter);
}

5、Date 转 String

/**
 * Date 转 String
 *
 * @param dateTime
 * @param pattern
 * @return
 */
public static String dateToStr(Date dateTime, String pattern) {
    SimpleDateFormat formatter = new SimpleDateFormat(pattern);
    return formatter.format(dateTime);
}

6、String 转 Date

/**
 * String 转 Date
 *
 * @param dateTime
 * @param pattern
 * @return
 */
public static Date strToDate(String dateTime, String pattern) {
    try {
        SimpleDateFormat formatter = new SimpleDateFormat(pattern);
        return formatter.parse(dateTime);
    } catch (Exception e) {
        log.error("String 转 Date类型转换失败!失败原因:", e);
        return null;
    }
}
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