Java：知道一个1970至今的毫秒数，如何转换为时间呢？ 用java如何取得从1970 年到现在的毫秒数?
C\u8bed\u8a00 \u5df2\u77e5\u4e00\u4e2a\u4ece1970\u5230\u73b0\u5728\u7684\u6beb\u79d2\u6570,\u5982\u4f55\u5c06\u8fd9\u4e2a\u6beb\u79d2\u8f6c\u6362\u4e3a\u5177\u4f53\u7684\u65e5\u671f\u65f6\u95f4?\u53ef\u5148\u5224\u65ad\u4ece1970\u5230\u73b0\u5728\u6709\u51e0\u4e2a\u95f0\u5e74\uff0c\u5224\u65ad\u6761\u4ef6\uff0c\u80fd\u88ab4\u6574\u9664\u4f46\u4e0d\u80fd\u88ab100\u6574\u9664\u7684\u5e74\u4efd\u662f\u95f0\u5e74\uff1b\u80fd\u88ab100\u6574\u9664\u53c8\u80fd\u88ab400\u6574\u9664\u7684\u5e74\u4efd\u4e5f\u662f\u95f0\u5e74\u3002\u7136\u540e\u5bf9\u6beb\u79d2\u6570\u8fdb\u884c\u8f6c\u6362\uff0c\u5982\uff0c\u9664\u4ee51000\u4e3a\u5999\uff0c\u518d\u9664\u4ee560\u4e3a\u5206\u2026\u2026\u6ce8\u610f\u95f0\u5e74\u52a0\u4e00\u5929\u3002\u8f6c\u6362\u4e4b\u540e\u662f1970\u5230\u73b0\u5728\u7684\u95f4\u9694\u65f6\u95f4\uff08\u5e74\u6708\u65e5\u7b49\u8868\u793a\uff09\uff0c\u52a0\u4e0a1970\u7684\u5177\u4f53\u7684\u67d0\u4e2a\u65f6\u523b\u5c31\u662f\u73b0\u5728\u7684\u65f6\u95f4\u3002
\u7ed9\u4f60\u4e00\u6bb5\u4ee3\u7801\u4f5c\u4e3a\u53c2\u8003\uff0c\u6211\u60f3\u4f60\u53ea\u8981\u8c03\u6574\u8fd9\u4e2a\u65b9\u6cd5\u5373\u53ef\uff1a
public static void main(String[] args) throws ParseException{
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date currentTime=new Date();
//\u5c06\u622a\u53d6\u5230\u7684\u65f6\u95f4\u5b57\u7b26\u4e32\u8f6c\u5316\u4e3a\u65f6\u95f4\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
Date beginTime=sdf.parse("1970-01-01 12:53:30");
//\u9ed8\u8ba4\u4e3a\u6beb\u79d2
long interval=(currentTime.getTime()-beginTime.getTime());
}
public class Demo {
public static void main(String[] args) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
System.out.println(sdf.format(Long.parseLong("1404955893000")));
}
}
大哥，那个是unix时间戳！
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss")
String date = sdf.format(new Date(时间戳));
date 就是时间字符串了！
Date d=new Date(1404955893000L);
new java.util.Date(1404955893000)
绛旓細import java.util.Date;public class $ { public static void main(String... _) { // 1970骞01鏈01鏃 Calendar c0 = Calendar.getInstance();c0.set(1970, Calendar.JANUARY, 1);// 浠婂ぉ Calendar c1 = Calendar.getInstance();c1.setTime(new Date());// 鐩稿樊姣鏁 long l = c1.g...
绛旓細days[month] + 1 : days[month]; } /** * getTotal TODO 璁＄畻鐜板湪鍒1970鐨勬墍鏈夊ぉ鏁 * * @param year * 褰撳墠骞翠唤 * @param month * 褰撳墠鏈堜唤 * @param day * 褰撳墠澶╂暟 * @return long */ public static long getTotal(int year, i...
绛旓細public static void main(String[] args) throws ParseException{ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date currentTime=new Date();//灏嗘埅鍙栧埌鐨勬椂闂村瓧绗︿覆杞寲涓烘椂闂存牸寮忕殑瀛楃涓 Date beginTime=sdf.parse("1970-01-01 12:53:30");//榛樿涓烘绉 long int...
绛旓細new date(0)锛岃繖涓嫭鍙烽噷鐨0浠ｈ〃鐨勫氨鏄嚜1970骞淬備綘瀹氫箟鐨勫氨鏄繖涓棩鏈熴傝褰撳墠鏃堕棿杩樻槸缃┖鍚с俷ew date();
绛旓細寰楀埌涓涓姣鏃堕棿锛屾槸1970骞1鏈1鏃0锛00鑷充粖鐨勬绉掓椂闂达紝鎬庝箞杞崲鎴愰氬父鏍煎紡锛熻В鏋:import java.util.*;import java.text.SimpleDateFormat;public class test { public static void main (String args[]){ Date d = new Date();long longtime = d.getTime();System.out.println(longtime);浣...
绛旓細Java鏃堕棿鎴充唬琛ㄧ殑鏄粠1970骞1鏈1鏃ュ崍澶滐紙鏍兼灄灏兼不鏍囧噯鏃堕棿锛鑷充粖鎵缁忚繃鐨勬绉掓暟銆傝繖涓绉掓暟琚瓨鍌ㄥ湪涓涓long绫诲瀷鐨勫彉閲忎腑锛岀敤浜庤褰曟煇涓壒瀹氭椂鍒荤殑鏃堕棿淇℃伅銆傜敱浜庡叾绮惧害闈炲父楂橈紝瀹冩槸璁＄畻鍜岃褰曟椂闂寸殑閲嶈鏍囪銆侸ava鏃堕棿鎴虫槸涓涓潪甯告湁鐢ㄧ殑宸ュ叿锛屽畠鍙互鍦ㄩ渶瑕佽鏃剁殑绋嬪簭涓骞挎硾浣跨敤銆備緥濡傦紝鍦ㄦ湇鍔″櫒绔帴鏀...
绛旓細鍙互杩欐牱鑾峰彇锛歩nclude <iostream> include using namespace std;int main(void){ time_t now; //璁剧疆鏄剧ず绯荤粺鏃堕棿 time(&now); //time 鍑芥暟璇诲彇鐜板湪鐨勬椂闂寸劧鍚庝紶鍊肩粰now cout<<"1970.01.01鍒扮幇鍦ㄧ殑绉掓暟锛 "<<now<<endl; //绉掓暟 return 0;} ...
绛旓細Calendar cal = Calendar.getInstance(); cal.set(1970, 0, 01); System.out.println(new SimpleDateFormat("yyyy-MM-dd").format(cal.getTime()));鏈堜唤浠0寮濮嬨0琛ㄧず涓鏈堬紝11琛ㄧず12鏈
绛旓細浠1970骞村埌鐜板湪鐨勬绉掓暟 Integer 鍦JAVA鍐呯敤32浣嶈〃绀猴紝鍥犳32浣嶈兘琛ㄧず鐨勬渶澶у兼槸2147483647銆傚彟澶1骞365澶╃殑鎬荤鏁版槸 31536000锛2147483647/31536000 = 68.1锛屼篃灏辨槸璇32浣嶈兘琛ㄧず鐨勬渶闀挎椂闂存槸68骞达紝浠1970骞村紑濮嬬殑璇濓紝鍔犱笂68.1锛屽疄闄呮渶缁堝埌2038骞01鏈19鏃03鏃14鍒07绉掞紝渚夸細鍒 杈炬渶澶ф椂闂达紝...
绛旓細Calendar cal = Calendar.getInstance();cal.set(1970, 0, 1, 0, 0, 0);Calendar now = Calendar.getInstance();now.set(Calendar.HOUR_OF_DAY, 0);now.set(Calendar.MINUTE, 0);now.set(Calendar.SECOND, 0);long intervalMilli = now.getTimeInMillis() - cal.getTimeInMillis();int ...
