字符串日期的时间戳

Question

我不知道如何将时间戳转换为日期.我有:

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    TextView czas = (TextView)findViewById(R.id.textView1);
    String S = "1350574775";
    czas.setText(getDate(S));        
}



private String getDate(String timeStampStr){
   try{
       DateFormat sdf = new SimpleDateFormat("MM/dd/yyyy");
       Date netDate = (new Date(Long.parseLong(timeStampStr)));
       return sdf.format(netDate);
   } catch (Exception ignored) {
    return "xx";
   }
} 

答案是:1970年1月16日,但是错了.

Answer 1

如果您坚持使用"1350574775"格式(以秒为单位),请尝试此操作:

private void onCreate(Bundle bundle){
    ....
    String S = "1350574775";

    //convert unix epoch timestamp (seconds) to milliseconds
    long timestamp = Long.parseLong(s) * 1000L; 
    czas.setText(getDate(timestamp ));  
}



private String getDate(long timeStamp){

    try{
        SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy");
        Date netDate = (new Date(timeStamp));
        return sdf.format(netDate);
    }
    catch(Exception ex){
        return "xx";
    }
} 

Answer 2

String S = "1350574775";

您将以秒为单位发送时间戳,而不是毫秒.

这样做,而不是:

String S = "1350574775000";

或者,在您的getDate方法中,乘以1000L:

new Date(Long.parseLong(timeStampStr) * 1000L)