java - 如何在 Android Studio 中计算工作日？

问题描述

我想要做的是从两个定义的日期（月初和月底）计算工作日。

我正在使用我发现的一个函数，它接收三个参数，start date，end date和a list of dates of non-working days（假期和其他）。

下面的代码给了我 23 个工作日，但实际结果必须是22 working days.

例如

Start date is - 2020-03-01 and
End Date is - 2020-03-31 
With 7 non-working days

（日期从 DatePickerDialog 中选择并存储在变量dateIni和中dateFin）

public class FragmentConsultas extends Fragment 
{
    EditText fechaIni, fechaFin;
    Button btAsistencia;
    private int anioIni, mesIni, diaIni, anioFin, mesFin, diaFin;
    private String  sDiaI, sMesI, sDiaF, sMesF;
    List<Date> dates = new ArrayList<Date>();
    private Calendar mcurrentDateFin, mcurrentDateIni;
    private Calendar dateIni, dateFin;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment

        View v = inflater.inflate(R.layout.fragment_consultas, container, false);

        fechaIni = v.findViewById(R.id.fechaIni);
        fechaFin = v.findViewById(R.id.fechaFin);
        btAsistencia = v.findViewById(R.id.btAsistencia);

        dates.add(new Date(2020-1-1));
        dates.add(new Date(2020-2-24));
        dates.add(new Date(2020-2-25));
        dates.add(new Date(2020-3-23));
        dates.add(new Date(2020-3-24));
        dates.add(new Date(2020-4-2));
        dates.add(new Date(2020-4-9));

        fechaIni.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mcurrentDateIni = Calendar.getInstance();
                anioIni = mcurrentDateIni.get(Calendar.YEAR);
                mesIni = mcurrentDateIni.get(Calendar.MONTH);
                diaIni = mcurrentDateIni.get(Calendar.DAY_OF_MONTH);

                DatePickerDialog mDatePicker;
                mDatePicker = new DatePickerDialog(getContext(), R.style.DialogTheme, new DatePickerDialog.OnDateSetListener() {
                    public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday) {

                        if (selectedday < 9){
                            sDiaI = "0" + String.valueOf(selectedday);
                        }else{
                            sDiaI =  String.valueOf(selectedday);
                        }

                        if (selectedmonth < 9){
                            sMesI = "0" + String.valueOf(selectedmonth+1);
                        }else if (selectedmonth == 9) {
                            sMesI = String.valueOf(selectedmonth+1);
                        }else{
                            sMesI = String.valueOf(selectedmonth+1);
                        }

                        fechaIni.setText(selectedyear + "-" + sMesI + "-" + sDiaI);
                        dateIni = new GregorianCalendar(selectedyear, selectedmonth, selectedday);

                        Toast.makeText(getActivity(), "Fecha de inicio: " + dateIni, Toast.LENGTH_LONG).show();

                    }
                }, anioIni, mesIni, diaIni);
                mDatePicker.show();
            }
        });

        fechaFin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mcurrentDateFin = Calendar.getInstance();
                anioFin = mcurrentDateFin.get(Calendar.YEAR);
                mesFin = mcurrentDateFin.get(Calendar.MONTH);
                diaFin = mcurrentDateFin.get(Calendar.DAY_OF_MONTH);

                DatePickerDialog mDatePicker;
                mDatePicker = new DatePickerDialog(getContext(), R.style.DialogTheme, new DatePickerDialog.OnDateSetListener() {
                    public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday) {

                        if (selectedday < 9){
                            sDiaF = "0" + String.valueOf(selectedday);
                        }else{
                            sDiaF =  String.valueOf(selectedday);
                        }

                        if (selectedmonth < 9){
                            sMesF = "0" + String.valueOf(selectedmonth+1);
                        }else if (selectedmonth == 9) {
                            sMesF = String.valueOf(selectedmonth+1);
                        }else{
                            sMesF = String.valueOf(selectedmonth+1);
                        }

                        fechaFin.setText(selectedyear + "-" + sMesF + "-" + sDiaF);
                        dateFin = new GregorianCalendar(selectedyear, selectedmonth, selectedyear);

                        Toast.makeText(getActivity(), "Fecha fin: " + dateFin, Toast.LENGTH_LONG).show();
                    }
                }, anioFin, mesFin, diaFin);
                mDatePicker.show();
            }
        });


        btAsistencia.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int diasLab = diasHabiles(dateIni, dateFin, dates);

                Toast.makeText(getActivity(), "Días Laborables: " + diasLab, Toast.LENGTH_LONG).show();
            }
        });

        return v;

    }

    public int diasHabiles(Calendar fechaInicial, Calendar fechaFinal, List<Date> listaFechasNoLaborables) {
        int diffDays = 0;
        boolean diaHabil = false;
        //mientras la fecha inicial sea menor o igual que la fecha final se cuentan los dias
        while (fechaInicial.before(fechaFinal) || fechaInicial.equals(fechaFinal)) {

            if (!listaFechasNoLaborables.isEmpty()) {
                for (Date date : listaFechasNoLaborables) {
                    Date fechaNoLaborablecalendar = fechaInicial.getTime();
                    //si el dia de la semana de la fecha minima es diferente de sabado o domingo
                    if (fechaInicial.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY && fechaInicial.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY && !fechaNoLaborablecalendar.equals(date)) {
                        //se aumentan los dias de diferencia entre min y max
                        diaHabil = true;
                    } else {
                        diaHabil = false;
                        break;
                    }
                }
            } else {
                if (fechaInicial.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY && fechaInicial.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY) {
                    //se aumentan los dias de diferencia entre min y max
                    diffDays++;
                }
            }
            if (diaHabil == true) {
                diffDays++;
            }
            //se suma 1 dia para hacer la validacion del siguiente dia.
            fechaInicial.add(Calendar.DATE, 1);
        }
        return diffDays;
    }
}

标签： javaandroidarrayslistfunction

java - 如何在 Android Studio 中计算工作日？

问题描述

解决方案

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