Java之提示对话框的使用!...

            

          

btnNewButton.addMouseListener(new MouseAdapter() {


public void mouseClicked(MouseEvent e) {//错误对话框

JOptionPane.showMessageDialog(null,
    "这是一个错误对话框",
    "ERROR_MESSAGE",
            JOptionPane.ERROR_MESSAGE);
    }
});






button.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {//内部信息对话框

JOptionPane.showMessageDialog(null, 
    "这是一个内部信息对话框",
    "INFORMATION",
   JOptionPane.INFORMATION_MESSAGE);
   }
});




button_1.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {//警告对话框

JOptionPane.showMessageDialog(null, 
     "这是一个警告对话框",
    "WARNING_MESSAGE",
    JOptionPane.WARNING_MESSAGE);
}
});






button_2.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {//询问对话框

JOptionPane.showMessageDialog(null,
    "这是一个询问对话框",
    "QUESTION_MESSAGE",
    JOptionPane.QUESTION_MESSAGE);
   }
});






button_3.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {//显示一个信息面板

JOptionPane.showConfirmDialog(null,
    "这是一个信息面版",
    "YES_NO_OPTION",
     JOptionPane.YES_NO_OPTION);
    }
});