个人信息调查
个人信息调查，这是一个小的桌面窗体。用java来实现的。里面的控件用到了，单选框，复选框，文本框以及三个button 按钮。每一个按钮的功能都不相同。其中有'年龄' 这一项。年龄的大小控制在 0- 199这个氛围里。如果超出这个氛围就回报错的。
下面来看看code：
import java.awt.*;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JOptionPane;public class Questionnaire extends Frame implements ActionListener,KeyListener,FocusListener{TextField name = new TextField(10); // 文本组件Checkbox man = new Checkbox("男"); // 复选框组件Checkbox woman = new Checkbox("女");CheckboxGroup sex = new CheckboxGroup(); // 单选按钮组件TextField age = new TextField("20",4);Choice nativeplace = new Choice(); // 籍贯 // 选项框组件Checkbox like1 = new Checkbox ("读书");Checkbox like2 = new Checkbox ("上网");Checkbox like3 = new Checkbox ("体育活动");List website = new List(4);Button btn1 = new Button("确认");Button btn2 = new Button("取消");Button btn3 = new Button("退出");Label l = new Label("个人信息调查表");Label l1 = new Label("姓名");Label l2 = new Label("性别");Label l3 = new Label("年龄");Label l4 = new Label("籍贯");Label l5 = new Label("爱好");Label l6 = new Label("喜欢的网站");// 构造函数public Questionnaire(String title){super(title);this.setSize(400,400);this.setLayout(null);l.setBounds(150, 50, 100, 20);l1.setBounds(50, 100, 40, 20);name.setBounds(90, 100, 100, 20);// 性别 l2.setBounds(230, 100, 40, 20);man.setCheckboxGroup(sex);woman.setCheckboxGroup(sex);man.setBounds(270, 100, 60, 20);woman.setBounds(330, 100, 60, 20);// 年龄l3.setBounds(50, 150, 40, 20);age.setBounds(90, 150, 50, 20);// 籍贯l4.setBounds(230, 150, 40, 20);nativeplace.setBounds(270, 150, 60, 20);nativeplace.add("北京");nativeplace.add("上海");nativeplace.add("天津");nativeplace.add("重庆");nativeplace.add("武汉");nativeplace.add("长沙");// 爱好l5.setBounds(50, 200, 40, 20);like1.setBounds(90,200, 60, 20);like2.setBounds(150,200, 60, 20);like3.setBounds(210,200, 100, 20);// 喜爱网站website.add("新 浪");website.add("搜 狐");website.add("网 易");website.add("淘 宝");website.add("赶集网");website.add("新华网");l6.setBounds(50, 250, 80, 20);website.setBounds(130, 250, 100, 60);// 3个按钮btn1.setBounds(110, 330, 50, 20);btn2.setBounds(180, 330, 50, 20);btn3.setBounds(250, 330, 50, 20);// 想窗体中添加标签及文本框this.add(l);this.add(l1);this.add(name);this.add(l2);this.add(man);this.add(woman);this.add(l3);this.add(age);this.add(l4);this.add(nativeplace);this.add(l5);this.add(like1);this.add(like2);this.add(like3);this.add(website);this.add(btn1);this.add(btn2);this.add(btn3);setLocationRelativeTo(null);// 屏幕居中放置btn1.addActionListener(this);btn2.addActionListener(this);btn3.addActionListener(this);age.addKeyListener(this);age.addFocusListener(this);}@Overridepublic void actionPerformed(ActionEvent e) {// TODO 自动生成的方法存根Object ob = e.getSource();if( ob == btn3){ // 退出按钮System.exit(0);}else if( ob ==btn1){ // 确认按钮System.out.println("姓名:"+name.getText());System.out.println("性别:"+sex.getSelectedCheckbox().getLabel());System.out.println("年龄:"+age.getText());System.out.println("籍贯:"+nativeplace.getSelectedItem());String s1 = like1.getState() ? like1.getLabel()+ " ":"";String s2 = like2.getState() ? like2.getLabel()+ " ":"";String s3 = like1.getState() ? like3.getLabel()+ " ":"";System.out.println("爱好:"+s1+s2+s3);System.out.println("喜欢的网站: "+website.getSelectedItem());}else if( ob == btn2){ // 取消按钮name.setText(" ");sex.setSelectedCheckbox(man);age.setText("20");like1.setState(false);like2.setState(false);like3.setState(false);website.deselect(website.getSelectedIndex());}}@Overridepublic void focusGained(FocusEvent e) {// TODO 自动生成的方法存根}@Overridepublic void focusLost(FocusEvent e) {// TODO 自动生成的方法存根int i = Integer.parseInt(age.getText());if((i == 0)||(i >= 200)){JOptionPane.showMessageDialog(null, "年龄有误,其值应该为1-199!,", "错误提示",JOptionPane.ERROR_MESSAGE);age.setText("20");age.requestFocusInWindow();}}@Overridepublic void keyTyped(KeyEvent e) {// TODO 自动生成的方法存根if(((e.getKeyChar()<=0x39)&&(e.getKeyChar()>=0x30))||(e.getKeyChar() == 127)||(e.getKeyChar() ==8)){e.setKeyChar(e.getKeyChar());}else{e.setKeyChar((char)0);}}@Overridepublic void keyPressed(KeyEvent e) {// TODO 自动生成的方法存根}@Overridepublic void keyReleased(KeyEvent e) {// TODO 自动生成的方法存根}public static void main(String[] args){Questionnaire app = new Questionnaire("个人信息");app.setVisible(true);app.setResizable(false);app.setBackground(Color.ORANGE);}}
