GUi.rar_java gui

package javabook.lecture2.myexprtest; import java.awt.*; import java.awt.event.*; import javax.swing.*; /** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2003</p> * <p>Company: </p> * @author not attributable * @version 1.0 */ public class Frame1 extends JFrame { JPanel contentPane; JLabel statusBar = new JLabel(); FlowLayout flowLayout1 = new FlowLayout(); Label label1 = new Label(); TextField textField1 = new TextField(); TextField textField2 = new TextField(); Button button1 = new Button(); TextArea textArea1 = new TextArea(); //Construct the frame public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { contentPane = (JPanel) this.getContentPane(); contentPane.setLayout(flowLayout1); this.setSize(new Dimension(400, 250)); this.setTitle("我的计算器"); statusBar.setText(" "); label1.setText("请输入两个整型数据"); textField1.setColumns(7); textField1.setText(""); textField2.setColumns(7); textField2.setText(""); button1.setLabel("确认"); button1.addActionListener(new Frame1_button1_actionAdapter(this)); textArea1.setColumns(50); textArea1.setEditable(false); textArea1.setEnabled(true); textArea1.setText(""); textArea1.setVisible(true); contentPane.setToolTipText(""); contentPane.setVerifyInputWhenFocusTarget(true); contentPane.add(statusBar, null); contentPane.add(label1, null); contentPane.add(textField1, null); contentPane.add(textField2, null); contentPane.add(button1, null); contentPane.add(textArea1, null); } //Overridden so we can exit when window is closed protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } void button1_actionPerformed(ActionEvent e) { textArea1.setText(""); try{ int a = Integer.parseInt(textField1.getText()); int b = Integer.parseInt(textField2.getText()); textArea1.append(a + " + " + b + " = " + (a + b) + "\n"); textArea1.append(a + " - " + b + " = " + (a - b) + "\n"); textArea1.append(a + " * " + b + " = " + (a * b) + "\n"); textArea1.append(a + " / " + b + " = " + (a / b) + "\n"); textArea1.append(a + " % " + b + " = " + (a % b) + "\n"); }catch(Exception ex){ textArea1.setText("Error : " + ex.getMessage()); } } } class Frame1_button1_actionAdapter implements java.awt.event.ActionListener { Frame1 adaptee; Frame1_button1_actionAdapter(Frame1 adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.button1_actionPerformed(e); } }