java Swing 對話框，Confirm，Dialog

 

import javax.swing.*;

public class SwingDialog {
    public static void main(String[] args) {
        showMessage();
        showConfirm();
        showInput();
        showOption();
    }

    public static void showMessage(){
        JOptionPane.showMessageDialog(null, "error", "接單結果", 0);//error
        JOptionPane.showMessageDialog(null, "warning", "接單結果", 2);//warning
        JOptionPane.showMessageDialog(null, "question", "接單結果", 3);//question
        JOptionPane.showMessageDialog(null, "info", "接單結果", 1);//info
        JOptionPane.showMessageDialog(null, "nothing", "接單結果", -1);//nothing
    }
    public static void showConfirm(){
        int response = JOptionPane.showConfirmDialog(null, "您確定要接該單嗎？", "接單確認", JOptionPane.YES_NO_OPTION);
        if(response==0){
            //TODO 點了是
        }
        if(response==1){
            //TODO 點了否
        }
    }
    public static void showInput(){
        Object[] possibleValues = { "First", "Second", "Third" }; // 用戶的選擇項目
        Object selectedValue = JOptionPane.showInputDialog(null, "Choose one","Input",JOptionPane.INFORMATION_MESSAGE, null, possibleValues,possibleValues[0]);
        System.out.println("您選擇的選項爲："+selectedValue);
        String inputValue = JOptionPane.showInputDialog("Please input a value");
        System.out.println("您輸入的內容爲："+inputValue);

    }
    public static void showOption(){
        Object[] options = {" 確定 "," 取消 "," 幫助 "};      
  
        int response=JOptionPane.showOptionDialog(null, " 這是個選項對話框，用戶可以選擇自己的按鈕的個數 ", " 選項對話框標題 ",JOptionPane.YES_OPTION,

                JOptionPane.QUESTION_MESSAGE, null, options, options[0]);

        if(response==0){

            System.out.println(" 您按下了第 OK 按鈕  ");

        } else if(response==1){

            System.out.println(" 您按下了第 Cancel 按鈕  ");

        } else if(response==2){

            System.out.println(" 您按下了第 Help 按鈕  ");

        }
    }

}