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【DateTmeFormatter】实现LocalDateTime和文本的互转

624c95384278 2022-02-18 阅读 82
java
package org.example.testTime;

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

public class TestDateTimeFormatter {
    public static void main(String[] args) {
        LocalDateTime now = LocalDateTime.now();

        // step1.LocalDateTime转为为本格式
        DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        String str = dtf.format(now);
        System.out.println(str); // 2022-02-18 01:09:19

        // step2.文本转LocalDateTime
        LocalDateTime time = LocalDateTime.parse(str, dtf); // 2022-02-18T01:09:19
        System.out.println(time);
    }
}
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