frame1.java

jbuilder2005

package lyb;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;


public class Frame1
    extends JFrame {
  JPanel contentPane;
  Label label1 = new Label("aaa");
  TextArea textArea1 = new TextArea();
  Label label2 = new Label();
  Label label3 = new Label();
  TextField textField1 = new TextField();
  TextField textField2 = new TextField();
  Button button1 = new Button();
  Button button2 = new Button();
  Dialog d=new Dialog(this,"提交信息",false);    //创建一个对话框
  public Frame1() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  /**
   * Component initialization.
   *
   * @throws java.lang.Exception
   */
  private void jbInit() throws Exception {
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(null);
    setSize(new Dimension(308, 187));
    setTitle("留言簿");
    label1.setAlignment(Label.CENTER);
    label1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 20));
    label1.setText("留言簿");
    label1.setBounds(new Rectangle(112, 7, 76, 19));
    textArea1.setColumns(10);
    textArea1.setRows(3);
    textArea1.setText("");
    textArea1.setBounds(new Rectangle(6, 33, 295, 71));
    label2.setAlignment(Label.CENTER);
    label2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    label2.setText("姓名：");
    label2.setBounds(new Rectangle(7, 110, 46, 21));
    label3.setAlignment(Label.CENTER);
    label3.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    label3.setText("密码：");
    label3.setBounds(new Rectangle(150, 110, 44, 21));
    textField1.setText("");
    textField1.setBounds(new Rectangle(55, 110, 82, 21));
    textField2.setEchoChar('*');
    textField2.setText("");
    textField2.setBounds(new Rectangle(192, 110, 109, 21));
    button1.setLabel("重写");
    button1.setBounds(new Rectangle(85, 143, 71, 17));
    button1.addActionListener(new Frame1_button1_actionAdapter(this));
    button2.setLabel("提交");
    button2.setBounds(new Rectangle(166, 143, 71, 17));
    button2.addActionListener(new Frame1_button2_actionAdapter(this));
    contentPane.add(textArea1);
    contentPane.add(label1);
    contentPane.add(textField2);
    contentPane.add(label2);
    contentPane.add(textField1);
    contentPane.add(label3);
    contentPane.add(button1);
    contentPane.add(button2);
  }

  public void button1_actionPerformed(ActionEvent e) {
    textArea1.setText("");          //清空文本组件中的文字
    textField1.setText("");
    textField2.setText("");
  }

  public void button2_actionPerformed(ActionEvent e) {
    String x1 = "王力";
    String x2 = "xxxx";
    d.removeAll(); //删除对话框中原有组件
    if (textField1.getText().trim().equals(x1) &&
        textField2.getText().trim().equals(x2))
      //trim()用于删除字符串尾部的空格,equals()用于判断是否相等
      d.add(new Label("提交成功"));
    else
      d.add(new Label("姓名或密码错误，提交失败"));
    d.addWindowListener(new WindowAdapter() { //内部类
      public void windowClosing(WindowEvent e) {
        d.dispose(); //关闭对话框
      }
    });
    d.pack();
    d.setVisible(true);
  }
}

class Frame1_button2_actionAdapter
    implements ActionListener {
  private Frame1 adaptee;
  Frame1_button2_actionAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.button2_actionPerformed(e);
  }
}

class Frame1_button1_actionAdapter
    implements ActionListener {
  private Frame1 adaptee;
  Frame1_button1_actionAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.button1_actionPerformed(e);
  }
}