如何在Java中制作此sql代码

Question

Does anyone know how to implement this SQL code in Java code?

to_char(to_date(time,'sssss'),'hh24:mi')

Time format is like 36000 in database and then after this sql command it is: 10:00

I want to make this function work in Java not SQL.

Answer 1

How about this? Not tested.

public String toHH24MI(int seconds) {
    int hour = seconds/3600;
    int min = (seconds%3600)/60;
    return String.format("%02d:%02d",hour,min);
}

Answer 2

You can use SimpleDateFormat#format() to format a Date into a String in a certain pattern.

String newstring = new SimpleDateFormat("yyyy-MM-dd").format(date);
System.out.println(newstring); // 2011-01-18

Answer 3

It seems that there is no Java function to do that so i made up my own.

public String getTimeFromSeconds(Integer totalSecs) {
        int hoursi = totalSecs / 3600;
        int minutesi = (totalSecs % 3600) / 60;
        String hours="";
        String minutes = "";
        if( (hoursi > 0 || hoursi == 0) && hoursi < 10)
            hours = "0" + hoursi;
        else 
            hours = String.valueOf(hoursi);

        if( (minutesi > 0 || minutesi==0) && minutesi < 10)
            minutes = "0" + minutesi;  
        else
            minutes = String.valueOf(minutesi);
        return hours + ":" + minutes;
    }