demoinputdialog.java

来自「基于netbeans的java桌面应用程序合集」· Java 代码 · 共 45 行

/*
 * DemoInputDialog.java
 *
 * Created on 2007年8月2日, 下午1:23
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.Adam;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
 *
 * @author Administrator
 */
public class DemoInputDialog extends JFrame{
    JLabel jLabelMessage;
    /** Creates a new instance of DemoInputDialog */
    public DemoInputDialog() {
      jLabelMessage=new JLabel();
      jLabelMessage.setHorizontalAlignment(SwingConstants.CENTER);
      jLabelMessage.setFont(new Font("宋体",Font.PLAIN,28));
      this.add(jLabelMessage);
      this.setBounds(150,150,400,200);
      this.setTitle("输入对话框应用示例");
      this.setVisible(true);
      this.setDefaultCloseOperation(EXIT_ON_CLOSE);
      String title=new String("输入对话框");
      String message=new String("请在下面输入内容");
      int messageType=JOptionPane.INFORMATION_MESSAGE;
      String inputMessage=(String)JOptionPane.showInputDialog(this,message,title,messageType);
      if(inputMessage !=null &&! inputMessage.equals("")){
          this.jLabelMessage.setText("你输入了："+inputMessage);
      }else{
          this.jLabelMessage.setText("你还没有输入任何内容！");
      }
    }
    public static void main(String[] args) {
        new DemoInputDialog();
    }
}