原文鏈接

當(dāng)前時(shí)間

import java.sql.Timestamp; //導(dǎo)包

Timestamp nowTime = new Timestamp(System.currentTimeMillis());
System.out.println(nowTime);

輸出：

2022-06-08 11:15:51.014

Long型時(shí)間戳

Long timeLong = System.currentTimeMillis();
System.out.println("timeLong:" + timeLong + "\\\\\\\\n");

輸出：

1652862076686

時(shí)間戳和時(shí)間的轉(zhuǎn)化

public void learnCron() throws ParseException {
    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); // 設(shè)置格式

    Long currentTime = System.currentTimeMillis();  // 獲取當(dāng)前時(shí)間戳
    System.out.println("currentTime:" + currentTime);

    String timeString = format.format(currentTime);  // 時(shí)間戳轉(zhuǎn)為時(shí)間格式
    System.out.println("timeString:" + timeString);

    Date date = format.parse(timeString); // 時(shí)間格式轉(zhuǎn)為時(shí)間戳
    long timeLong = date.getTime();
    System.out.println("timeLong:" + timeLong);

}

輸出：

currentTime:1686122941014
timeString:2023-06-07 15:29:01.014
timeLong:1686122941014

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代碼的路

審核編輯：湯梓紅