importjava.sql.Timestamp;publicclassCurrentTimestampExample{publicstaticvoidmain(String[]args){// 获取当前时间的时间戳TimestampcurrentTimestamp=newTimestamp(System.currentTimeMillis());System.out.println("当前时间的 Timestamp 格式: "+currentTimestamp);}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10....
一、使用java.time包 1.1 使用LocalDateTime 在Java 8 中,java.time包提供了更为简洁和强大的时间处理类。LocalDateTime是一个表示无时区的日期时间的类。 importjava.time.LocalDateTime;publicclassCurrentTimestamp{publicstaticvoidmain(String[]args){LocalDateTimecurrentTime=LocalDateTime.now();System.out.println("...
public class TimeTest { private static long _TEN_THOUSAND=10000; public static void main(String[] args) { long times=1000*_TEN_THOUSAND; long t1=System.currentTimeMillis(); testSystem(times); long t2=System.currentTimeMillis(); System.out.println(t2-t1); testCalander(times); long t3=Sys...
// Java 8, java.time.*// convert LocalDateTime to TimestamppreparedStatement.setTimestamp(1, Timestamp.valueOf(LocalDateTime.now()));// convert Instant to TimestamppreparedStatement.setTimestamp(1, Timestamp.from(Instant.now()));// Convert ZonedDateTime to Instant to TimestamppreparedStatement.s...
public static Integer currentTimeStamp(){ return (int)(System.currentTimeMillis()/1000); } /** * 日期字符串转时间戳 * @param dateStr * @return */ public static Integer transForMilliSecond(String dateStr){ Date date = DateFormatUtil.formatDate(dateStr); ...
Timestamp timestamp = new Timestamp(System.currentTimeMillis()); preparedStatement.setTimestamp(2, timestamp); preparedStatement.executeUpdate(); // 关闭资源 preparedStatement.close(); connection.close(); } catch (Exception e) { e.printStackTrace(); ...
1newjava.sql.Timestamp(System.currentTimeMillis()).toString(); 一. 获取当前系统时间和日期并格式化输出: 1importjava.util.Date;2importjava.text.SimpleDateFormat;3publicclassNowString {4publicstaticvoidmain(String[] args) {5SimpleDateFormat df =newSimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设...
//Timestamp转化为String: SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//定义格式,不显示毫秒 Timestamp now = new Timestamp(System.currentTimeMillis());//获取系统当前时间 String str = df.format(now); System.out.println(str); ...
旧版本可转换为 java.sql.Date/Timestamp 1. LocalDate (日期)实例 LocalDate today = LocalDate.now(); LocalDate date = LocalDate.of(2023, Month.JUNE, 15); int year = date.getYear(); // 2023 Month month = date.getMonth(); // JUNE int day = date.getDayOfMonth(); // 15 LocalDat...
e) { e.printStackTrace(); } return times; } public static String getTodayDateTimes() { SimpleDateFormat format = new SimpleDateFormat(“MM月dd日”, Locale.getDefault()); return format.format(new Date()); } /** * 获取当前时间 * * @return */ public static String getCurrentTime_Today...