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
                {"u7F16u53F7", "u7C7Bu578B", "u5546u54C1", "u5355u4EF7/u5143", "库存"},
                {"001", "u7537u88C5", "adidasu5706u9886polou886B", "298", "21"},
                {"002", "u7535u5668", "u683Cu529Bu7A7Au8C03", "3888", "5"},
                {"003", "u7537u978B", "Niceu5E73u5E95u8FD0u52A8u978Bu900Fu6C14u578B", "368", "19"},
                {"004", "u6237u5916", "u9ED1u767Du6237u5916u53CCu80A9u80CCu5305", "259", "12"},
                {"005", "u5316u5986", "chanelu7537u58EBu9999u6C34", "1988", "15"},
                {"006", "u6570u7801", "u534Eu7855FL5900", "3988", "9"},
            },
            new String[] {
                "u7F16u53F7", "u7C7Bu578B", "u5546u54C1", "u5355u4EF7/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()+
                            "adidasu5706u9886polou886B	"+
                            comboBox_0.getSelectedItem()+"
");//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()+
                            "u683Cu529Bu7A7Au8C03	"+
                            comboBox_1.getSelectedItem()+"
");//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()+
                            "Niceu5E73u5E95u8FD0u52A8u978Bu900Fu6C14u578B	"+
                            comboBox_2.getSelectedItem()+"
");//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()+
                            "u9ED1u767Du6237u5916u53CCu80A9u80CCu5305	"+
                            comboBox_3.getSelectedItem()+"
");//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()+
                            "chanelu7537u58EBu9999u6C34	"+
                            comboBox_4.getSelectedItem()+"
");//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()+
                            "u534Eu7855FL5900	"+
                            comboBox_5.getSelectedItem()+"
");//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：