JAVA个人小程序GUI篇-收银（标签、按钮、复选框、下拉标、文本域、表格······）

如果用eclipse需先装载windowsbuild

 //导入包

 import java.awt.BorderLayout;

 import java.awt.EventQueue;

 import javax.swing.JFrame;

 import javax.swing.JPanel;

 import javax.swing.border.EmptyBorder;

 import javax.swing.JTable;

 import javax.swing.table.DefaultTableModel;

 import javax.swing.JLabel;

 import javax.swing.SwingConstants;

 import java.awt.Font;

 import javax.swing.JTextField;

 import javax.swing.JTextArea;

 import javax.swing.JComboBox;

 import javax.swing.DefaultComboBoxModel;

 import javax.swing.JCheckBox;

 import javax.swing.JButton;

 import java.awt.Color;

 import java.awt.SystemColor;

 import java.awt.event.ActionListener;

 import java.awt.event.ActionEvent;

 import javax.swing.ImageIcon;

 public class CommondityChange extends JFrame {

     /**

      * 声明

      */

     private JPanel contentPane;

     private JTable table;

     private JTextField textField;

     private JTextField textField_1;

     private JTextField textField_2;

     float sumPrice;//应付金额

     /**

      * Launch the application.

      */

     public static void main(String[] args) {

         /**

          * star threa

          */

         EventQueue.invokeLater(new Runnable() {

             public void run() {

                 try {

                     CommondityChange frame = new CommondityChange();

                     frame.setVisible(true);//设置可见

                 } catch (Exception e) {

                     e.printStackTrace();

                 }

             }

         });

     }

     /**

      * Create the frame.

      */

     public CommondityChange() {

         {

         }

         setTitle("商品交易");

         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

         setBounds(100, 100, 1091, 544);

         contentPane = new JPanel();

         contentPane.setBackground(SystemColor.controlHighlight);

         contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));

         setContentPane(contentPane);

         contentPane.setLayout(null);

         table = new JTable();

         table.setBackground(new Color(173, 216, 230));

         table.setModel(new DefaultTableModel(

             new Object[][] {//表格内容

                 {"\u7F16\u53F7", "\u7C7B\u578B", "\u5546\u54C1", "\u5355\u4EF7/\u5143", "库存"},

                 {"001", "\u7537\u88C5", "adidas\u5706\u9886polo\u886B", "298", "21"},

                 {"002", "\u7535\u5668", "\u683C\u529B\u7A7A\u8C03", "3888", "5"},

                 {"003", "\u7537\u978B", "Nice\u5E73\u5E95\u8FD0\u52A8\u978B\u900F\u6C14\u578B", "368", "19"},

                 {"004", "\u6237\u5916", "\u9ED1\u767D\u6237\u5916\u53CC\u80A9\u80CC\u5305", "259", "12"},

                 {"005", "\u5316\u5986", "chanel\u7537\u58EB\u9999\u6C34", "1988", "15"},

                 {"006", "\u6570\u7801", "\u534E\u7855FL5900", "3988", "9"},

             },

             new String[] {

                 "\u7F16\u53F7", "\u7C7B\u578B", "\u5546\u54C1", "\u5355\u4EF7/\u5143", "库存"

             }

         ));

         table.getColumnModel().getColumn(0).setPreferredWidth(95);

         table.getColumnModel().getColumn(1).setPreferredWidth(95);

         table.getColumnModel().getColumn(2).setPreferredWidth(95);

         table.getColumnModel().getColumn(3).setPreferredWidth(95);

         table.getColumnModel().getColumn(4).setPreferredWidth(95);

         table.setBounds(10, 42, 812, 206);

         contentPane.add(table);

         table.setRowHeight(30);//设置单元格高度

         JLabel label = new JLabel("应付");//标签

         label.setFont(new Font("宋体", Font.BOLD, 14));//设置字体、大小、格式

         label.setHorizontalAlignment(SwingConstants.CENTER);//文字居中

         label.setBounds(858, 258, 60, 23);

         contentPane.add(label);

         JLabel label_1 = new JLabel("实收");

         label_1.setHorizontalAlignment(SwingConstants.CENTER);

         label_1.setFont(new Font("宋体", Font.BOLD, 14));

         label_1.setBounds(856, 301, 60, 23);

         contentPane.add(label_1);

         JLabel label_2 = new JLabel("找零");

         label_2.setHorizontalAlignment(SwingConstants.CENTER);

         label_2.setFont(new Font("宋体", Font.BOLD, 14));

         label_2.setBounds(858, 426, 60, 23);

         contentPane.add(label_2);

         textField = new JTextField();//文本框

         textField.setBounds(928, 259, 107, 23);

         contentPane.add(textField);

         textField.setColumns(10);

         textField_1 = new JTextField();

         textField_1.setColumns(10);

         textField_1.setBounds(928, 302, 107, 23);

         contentPane.add(textField_1);

         textField_2 = new JTextField();

         textField_2.setColumns(10);

         textField_2.setBounds(928, 426, 107, 23);

         contentPane.add(textField_2);

         JTextArea textArea = new JTextArea();//文本域

         textArea.setBackground(SystemColor.text);

         textArea.setBounds(10, 301, 802, 191);

         contentPane.add(textArea);

         JComboBox comboBox_0 = new JComboBox();//下拉列表

         comboBox_0.setModel(new DefaultComboBoxModel(new String[] {"1", "2", "3", "4", "5"}));//下拉内容

         comboBox_0.setMaximumRowCount(5);

         comboBox_0.setBounds(934, 76, 32, 21);

         contentPane.add(comboBox_0);

         JLabel lblNewLabel = new JLabel("");

         lblNewLabel.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hewolianxi.jpg"));//导入图片，本地

         lblNewLabel.setBounds(981, 79, 66, 15);

         contentPane.add(lblNewLabel);

         JComboBox comboBox_1 = new JComboBox();

         comboBox_1.setModel(new DefaultComboBoxModel(new String[] {"1", "2", "3", "4", "5"}));

         comboBox_1.setMaximumRowCount(5);

         comboBox_1.setBounds(934, 107, 32, 21);

         contentPane.add(comboBox_1);

         JComboBox comboBox_2 = new JComboBox();

         comboBox_2.setModel(new DefaultComboBoxModel(new String[] {"1", "2", "3", "4", "5"}));

         comboBox_2.setMaximumRowCount(5);

         comboBox_2.setBounds(934, 138, 32, 21);

         contentPane.add(comboBox_2);

         JComboBox comboBox_3 = new JComboBox();

         comboBox_3.setModel(new DefaultComboBoxModel(new String[] {"1", "2", "3", "4", "5"}));

         comboBox_3.setMaximumRowCount(5);

         comboBox_3.setBounds(934, 169, 32, 21);

         contentPane.add(comboBox_3);

         //comboBox_3.getSelectedItem(); //获取当前选中内容

         JComboBox comboBox_4 = new JComboBox();

         comboBox_4.setModel(new DefaultComboBoxModel(new String[] {"1", "2", "3", "4", "5"}));

         comboBox_4.setMaximumRowCount(5);

         comboBox_4.setBounds(934, 200, 32, 21);

         contentPane.add(comboBox_4);

         JComboBox comboBox_5 = new JComboBox();

         comboBox_5.setModel(new DefaultComboBoxModel(new String[] {"1", "2", "3", "4", "5"}));

         comboBox_5.setMaximumRowCount(5);

         comboBox_5.setBounds(934, 231, 32, 21);

         contentPane.add(comboBox_5);

         JLabel label_3 = new JLabel("");

         label_3.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hewolianxi.jpg"));

         label_3.setBounds(981, 110, 66, 15);

         contentPane.add(label_3);

         JLabel label_4 = new JLabel("");

         label_4.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hewolianxi.jpg"));

         label_4.setBounds(981, 141, 66, 15);

         contentPane.add(label_4);

         JLabel label_5 = new JLabel("购买数量");

         label_5.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hewolianxi.jpg"));

         label_5.setBounds(981, 172, 66, 15);

         contentPane.add(label_5);

         JLabel label_6 = new JLabel("购买数量");

         label_6.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hewolianxi.jpg"));

         label_6.setBounds(981, 203, 66, 15);

         contentPane.add(label_6);

         JLabel label_7 = new JLabel("购买数量");

         label_7.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hewolianxi.jpg"));

         label_7.setBounds(981, 234, 66, 15);

         contentPane.add(label_7);

         JCheckBox checkBox_1 = new JCheckBox("购买");//复选框

         checkBox_1.setBounds(828, 75, 73, 23);

         contentPane.add(checkBox_1);

         JCheckBox checkBox_2 = new JCheckBox("购买");

         checkBox_2.setBounds(828, 106, 73, 23);

         contentPane.add(checkBox_2);

 //        checkBox.isSelected();    是否被选中

         JCheckBox checkBox_3 = new JCheckBox("购买");

         checkBox_3.setBounds(828, 137, 73, 23);

         contentPane.add(checkBox_3);

         JCheckBox checkBox_4 = new JCheckBox("购买");

         checkBox_4.setBounds(828, 168, 73, 23);

         contentPane.add(checkBox_4);

         JCheckBox checkBox_5 = new JCheckBox("购买");

         checkBox_5.setBounds(828, 199, 73, 23);

         contentPane.add(checkBox_5);

         JCheckBox checkBox_6 = new JCheckBox("购买");

         checkBox_6.setBounds(828, 230, 73, 23);

         contentPane.add(checkBox_6);

         JButton btnNewButton = new JButton("结算");

         btnNewButton.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\gwc_buy.gif"));

         btnNewButton.addActionListener(new ActionListener() {

             public void actionPerformed(ActionEvent e) {

                 float shiS = Float.valueOf(textField_1.getText());//实收金额

                 float zhL = shiS - sumPrice;        //找零

                 textField_2.setText(zhL+"");//在textField_2中显示

             }

         });

         btnNewButton.setForeground(Color.RED);

         btnNewButton.setBackground(Color.PINK);

         btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 16));

         btnNewButton.setBounds(891, 352, 126, 40);

         contentPane.add(btnNewButton);

         JButton button = new JButton("确认");

         button.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\finalbutton.gif"));

         button.addActionListener(new ActionListener() {//监听事件

             public void actionPerformed(ActionEvent arg0) {

                 textArea.setText("");//初始化文本域内容为空

                 sumPrice = 0;

                 if(checkBox_1.isSelected()){//如果被选中

                     float pri = 298*Integer.valueOf(comboBox_0.getSelectedItem().toString());//单类价格

                     sumPrice +=pri;                                                            //累计价格

                     textArea.setText(textArea.getText()+

                             "adidas\u5706\u9886polo\u886B\t"+

                             comboBox_0.getSelectedItem()+"\n");//在textArea中显示

                 }

                 if(checkBox_2.isSelected()){//如果复选框被选中

                     float pri = 3888*Integer.valueOf(comboBox_1.getSelectedItem().toString());//单类价格

                     sumPrice +=pri;                                                            //累计价格

                     textArea.setText(textArea.getText()+

                             "\u683C\u529B\u7A7A\u8C03\t"+

                             comboBox_1.getSelectedItem()+"\n");//在textArea中显示

                 }

                 if(checkBox_3.isSelected()){//如果被选中

                     float pri = 368*Integer.valueOf(comboBox_2.getSelectedItem().toString());//单类价格

                     sumPrice +=pri;                                                            //累计价格

                     textArea.setText(textArea.getText()+

                             "Nice\u5E73\u5E95\u8FD0\u52A8\u978B\u900F\u6C14\u578B\t"+

                             comboBox_2.getSelectedItem()+"\n");//在textArea中显示

                 }

                 if(checkBox_4.isSelected()){//如果被选中

                     float pri = 259*Integer.valueOf(comboBox_3.getSelectedItem().toString());//单类价格

                     sumPrice +=pri;                                                            //累计价格

                     textArea.setText(textArea.getText()+

                             "\u9ED1\u767D\u6237\u5916\u53CC\u80A9\u80CC\u5305\t"+

                             comboBox_3.getSelectedItem()+"\n");//在textArea中显示

                 }

                 if(checkBox_5.isSelected()){//如果被选中

                     float pri = 1988*Integer.valueOf(comboBox_4.getSelectedItem().toString());//单类价格

                     sumPrice +=pri;                                                            //累计价格

                     textArea.setText(textArea.getText()+

                             "chanel\u7537\u58EB\u9999\u6C34\t"+

                             comboBox_4.getSelectedItem()+"\n");//在textArea中显示

                 }

                 if(checkBox_6.isSelected()){//如果被选中

                     float pri = 3988*Integer.valueOf(comboBox_5.getSelectedItem().toString());//单类价格

                     sumPrice +=pri;                                                            //累计价格

                     textArea.setText(textArea.getText()+

                             "\u534E\u7855FL5900\t"+

                             comboBox_5.getSelectedItem()+"\n");//在textArea中显示

                 }

                 textField.setText(sumPrice+"");//在textField中显示sumPrice

             }

         });

         button.setBackground(new Color(255, 182, 193));

         button.setBounds(891, 43, 126, 26);

         contentPane.add(button);

         JLabel label_8 = new JLabel("选中的商品及数量");

         label_8.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\car_step8.gif"));

         label_8.setHorizontalAlignment(SwingConstants.CENTER);

         label_8.setBounds(10, 279, 134, 23);

         contentPane.add(label_8);

         JLabel label_9 = new JLabel("商品列表");

         label_9.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\hottitle.gif"));

         label_9.setBounds(10, 25, 126, 15);

         contentPane.add(label_9);

         JLabel label_10 = new JLabel("");

         label_10.setIcon(new ImageIcon("D:\\Desktop\\maji\\html\\img\\logo.gif"));

         label_10.setBounds(473, 10, 95, 30);

         contentPane.add(label_10);

     }

 }

运行效果：

JAVA个人小程序GUI篇-收银（标签、按钮、复选框、下拉标、文本域、表格······）的相关教程结束。