1、登录界面
package org.eclipse.wb.swing; //登录界面
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Label;
import javax.swing.JLabel;
import javax.swing.JCheckBox;
import javax.swing.JRadioButton;
import javax.swing.JPasswordField;
import java.awt.Color;
//导入所需要的包 public class Suibian3 extends JFrame { static Suibian3 frame = new Suibian3();//建一个继承JFrame的类 public static void main(String[] args) { new Suibian1(); //关联到Suibian1这个类 new Suibian2(); new Jiaoyi(); new Suibian4(); new Suibian5(); EventQueue.invokeLater(new Runnable() { public void run() { //构建一个run函数 try { frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } private JPanel contentPane; private JTextField textField; private JPasswordField passwordField; public Suibian3() { //建立框体 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setTitle("登录界面"); setBounds(100, 100, 450, 350); contentPane = new JPanel(); contentPane.setForeground(new Color(95, 158, 160)); contentPane.setBackground(new Color(0, 206, 209)); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); textField = new JTextField(); //输密码的文本框 textField.setColumns(10); JButton btnNewButton = new JButton("\u767B\u5F55"); //添加一个登录按钮 btnNewButton.setBackground(new Color(127, 255, 212)); btnNewButton.setForeground(new Color(0, 0, 0)); btnNewButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { String a = "123654"; String b = "987456"; String c = textField.getText(); String d = passwordField.getText(); if(a.equals(c)&&b.equals(d)){ //用if条件判断账户和密码输入是否正确 new Jiaoyi().setVisible(true); }else{ JOptionPane.showMessageDialog(null, "密码或账号输入错误", "alert", JOptionPane.ERROR_MESSAGE); } frame.setVisible(false); } }); JButton button = new JButton("\u6CE8\u518C"); button.setBackground(new Color(127, 255, 212)); button.setForeground(new Color(0, 0, 0)); JLabel lblNewLabel = new JLabel("\u8D26\u53F7"); JLabel lblNewLabel_1 = new JLabel("\u5BC6\u7801"); JRadioButton radioButton_1 = new JRadioButton("\u5FD8\u8BB0\u5BC6\u7801"); passwordField = new JPasswordField(); GroupLayout gl_contentPane = new GroupLayout(contentPane); gl_contentPane.setHorizontalGroup( gl_contentPane.createParallelGroup(Alignment.TRAILING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(24) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addComponent(lblNewLabel) .addComponent(lblNewLabel_1)) .addGap(27) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(25) .addComponent(btnNewButton) .addGap(37) .addComponent(button) .addContainerGap(173, Short.MAX_VALUE)) .addGroup(Alignment.TRAILING, gl_contentPane.createSequentialGroup() .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addComponent(passwordField, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 242, Short.MAX_VALUE) .addComponent(textField, GroupLayout.DEFAULT_SIZE, 242, Short.MAX_VALUE)) .addGap(107)))) .addGroup(gl_contentPane.createSequentialGroup() .addGap(218) .addComponent(radioButton_1, 0, 0, Short.MAX_VALUE) .addGap(124)) ); gl_contentPane.setVerticalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(56) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(textField, GroupLayout.PREFERRED_SIZE, 31, GroupLayout.PREFERRED_SIZE) .addComponent(lblNewLabel)) .addGap(30) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(lblNewLabel_1) .addComponent(passwordField, GroupLayout.PREFERRED_SIZE, 31, GroupLayout.PREFERRED_SIZE)) .addGap(40) .addComponent(radioButton_1) .addGap(18) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 36, GroupLayout.PREFERRED_SIZE) .addComponent(button, GroupLayout.PREFERRED_SIZE, 36, GroupLayout.PREFERRED_SIZE)) .addGap(35)) ); contentPane.setLayout(gl_contentPane); } }
2、主界面
package org.eclipse.wb.swing; //主界面
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.Color;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import java.awt.Font;
public class Jiaoyi extends JFrame { private JPanel contentPane; private JTextArea textArea; /** * Launch the application. */ // public static void main(String[] args) { // new Suibian1(); // new Suibian2(); // new Suibian3(); // EventQueue.invokeLater(new Runnable() { // public void run() { // try { // Jiaoyi frame = new Jiaoyi(); // frame.setVisible(true); // } catch (Exception e) { // e.printStackTrace(); // } // } // }); // } /** * Create the frame. */ public Jiaoyi() { //登录后的界面窗口 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setTitle("主界面"); setBounds(100, 100, 800, 500); contentPane = new JPanel(); contentPane.setBackground(SystemColor.textHighlight); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); JButton btnNewButton = new JButton("商品信息管理"); //添加购物车按钮 btnNewButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { new Suibian1().setVisible(true); //关联到对应的窗口 } }); btnNewButton.setBackground(Color.CYAN); JButton button = new JButton("\u5546\u54C1\u76EE\u5F55"); //商品信息窗口 button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { new Suibian2().setVisible(true); //关联到对应的窗口 } }); button.setBackground(Color.CYAN); JButton button_1 = new JButton("\u8D2D\u4E70\u4FE1\u606F");//购买信息按钮 button_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { new Suibian4().setVisible(true); //关联到对应的窗口 } }); button_1.setBackground(Color.CYAN); JButton button_2 = new JButton("\u8D2D\u4E70\u5386\u53F2"); //购买历史按钮 button_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { try { FileInputStream in = new FileInputStream("D:\\workspace\\购买.txt"); //利用字节的输入流把所用的文本在文本域中读出来 DataInputStream data=new DataInputStream(in); byte[] b1=new byte[data.available()]; data.read(b1); String s=new String(b1); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } JOptionPane.showMessageDialog(null, "清除历史记录", "alert", JOptionPane.ERROR_MESSAGE); // File oo=new File("D:\\workspace\\购买.txt"); FileOutputStream goumai = null; try { goumai = new FileOutputStream("D:\\workspace\\购买.txt"); String qwe=""; byte[]ab = qwe.getBytes(); goumai.write(ab); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); button_2.setBackground(Color.CYAN); JButton btnNewButton_1 = new JButton("\u4F1A\u5458\u4FE1\u606F"); //会员管理按钮 btnNewButton_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\会员管理.txt"); DataInputStream data=new DataInputStream(in); byte[] b=new byte[data.available()]; data.read(b); String s=new String(b); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); btnNewButton_1.setBackground(Color.CYAN); JButton button_3 = new JButton("\u7528\u6237\u7BA1\u7406"); //用户管理按钮 button_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\用户信息.txt"); DataInputStream data=new DataInputStream(in); byte[] b=new byte[data.available()]; data.read(b); String s=new String(b); textArea.setText(s); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); //在文本域中读出所需的文件 } } }); button_3.setBackground(Color.CYAN); textArea = new JTextArea(); //所建的文本域 textArea.setBackground(SystemColor.info); textArea.setFont(new Font("Monospaced", Font.PLAIN, 14)); textArea.setForeground(SystemColor.desktop); textArea.setLineWrap(true); //对文本域中的文字进行自动换行 GroupLayout gl_contentPane = new GroupLayout(contentPane); gl_contentPane.setHorizontalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(25) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(button_3, GroupLayout.PREFERRED_SIZE, 120, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(btnNewButton_1, GroupLayout.PREFERRED_SIZE, 120, GroupLayout.PREFERRED_SIZE)) .addComponent(textArea, GroupLayout.PREFERRED_SIZE, 583, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED, 33, Short.MAX_VALUE) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addComponent(button_2, Alignment.TRAILING, GroupLayout.PREFERRED_SIZE, 133, GroupLayout.PREFERRED_SIZE) .addGroup(Alignment.TRAILING, gl_contentPane.createParallelGroup(Alignment.TRAILING) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 133, GroupLayout.PREFERRED_SIZE) .addComponent(button, GroupLayout.PREFERRED_SIZE, 133, GroupLayout.PREFERRED_SIZE) .addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 133, GroupLayout.PREFERRED_SIZE)))) ); gl_contentPane.setVerticalGroup( gl_contentPane.createParallelGroup(Alignment.TRAILING) .addGroup(gl_contentPane.createSequentialGroup() .addContainerGap(32, Short.MAX_VALUE) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 69, GroupLayout.PREFERRED_SIZE) .addGap(18) .addComponent(button, GroupLayout.PREFERRED_SIZE, 69, GroupLayout.PREFERRED_SIZE) .addGap(18) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 69, GroupLayout.PREFERRED_SIZE) .addGap(18) .addComponent(button_2, GroupLayout.PREFERRED_SIZE, 69, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(textArea, GroupLayout.PREFERRED_SIZE, 352, GroupLayout.PREFERRED_SIZE) .addGap(18) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addComponent(button_3, Alignment.TRAILING, GroupLayout.PREFERRED_SIZE, 40, GroupLayout.PREFERRED_SIZE) .addComponent(btnNewButton_1, Alignment.TRAILING, GroupLayout.PREFERRED_SIZE, 40, GroupLayout.PREFERRED_SIZE)))) .addContainerGap()) ); contentPane.setLayout(gl_contentPane); } }
3、购买信息管理
package com.chinasoft.gui.PM; //商品信息管理 import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.JButton; import javax.swing.LayoutStyle.ComponentPlacement; import javax.swing.JTextField; import javax.swing.JTextArea; import java.awt.Color; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import javax.swing.JLabel; public class Suibian1 extends JFrame { private JTextField textField; private JTextField textField_1; private JTextField textField_2; private JTextField textField_3; public Suibian1() { //建立一个库存管理的窗口 getContentPane().setBackground(new Color(143, 188, 143)); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setTitle("商品信息管理"); setBounds(100, 100, 450, 300); textField = new JTextField(); textField.setColumns(10); textField_1 = new JTextField(); textField_1.setColumns(10); textField_2 = new JTextField(); textField_2.setColumns(10); JLabel lblNewLabel = new JLabel("\u5546\u54C1\u540D"); JLabel label = new JLabel("\u5546\u54C1\u4EF7\u683C"); JLabel label_1 = new JLabel("\u5546\u54C1\u5E93\u5B58"); JButton button = new JButton("\u6DFB\u52A0\u5546\u54C1"); button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { //添加商品 for(int i = 1;i<=10;i++){ if(Suibian4.af[i][0] == null){ Suibian4.af[i][0]= textField_2.getText(); //商品名 Suibian4.af[i][1]= textField_3.getText(); //商品种类 Suibian4.af[i][2] =textField_1.getText(); //商品价格 Suibian4.af[i][3] =textField.getText(); //商品库存 break; } } } }); button.setBackground(Color.CYAN); JButton button_1 = new JButton("\u5546\u54C1\u67E5\u8BE2"); //查询 button_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { for(int i = 1;i<=10;i++){ if(Suibian4.af[i][0].equals(textField_2.getText()) ){ textField_3.setText((String) Suibian4.af[i][1]); //商品种类 textField_1.setText((String) Suibian4.af[i][2]) ; //商品价格 textField.setText((String) Suibian4.af[i][3]) ; //商品库存 } break; } } }); button_1.setBackground(Color.CYAN); JButton button_2 = new JButton("\u5546\u54C1\u4FEE\u6539"); //修改 button_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { for(int i = 1;i<=10;i++){ if(Suibian4.af[i][0].equals(textField_2.getText()) ){ Suibian4.af[i][1]= textField_3.getText(); //商品种类 Suibian4.af[i][2] =textField_1.getText(); //商品价格 Suibian4.af[i][3] =textField.getText(); //商品库存 } break; } } }); button_2.setBackground(Color.CYAN); JButton button_3 = new JButton("\u5546\u54C1\u5220\u9664"); button_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { for(int i = 1;i<=10;i++){ if(Suibian4.af[i][0].equals(textField_2.getText()) ){ Suibian4.af[i][0]= null; Suibian4.af[i][1]= null; //商品种类 Suibian4.af[i][2] =null; //商品价格 Suibian4.af[i][3] =null; //商品库存 } break; } } }); button_3.setBackground(Color.CYAN); textField_3 = new JTextField(); textField_3.setColumns(10); JLabel label_2 = new JLabel("\u5546\u54C1\u79CD\u7C7B"); GroupLayout groupLayout = new GroupLayout(getContentPane()); groupLayout.setHorizontalGroup( groupLayout.createParallelGroup(Alignment.TRAILING) .addGroup(groupLayout.createSequentialGroup() .addGap(73) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(button, GroupLayout.PREFERRED_SIZE, 103, GroupLayout.PREFERRED_SIZE) .addComponent(button_2, GroupLayout.PREFERRED_SIZE, 103, GroupLayout.PREFERRED_SIZE)) .addGap(47) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(button_3, GroupLayout.PREFERRED_SIZE, 103, GroupLayout.PREFERRED_SIZE) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 103, GroupLayout.PREFERRED_SIZE)) .addContainerGap(108, Short.MAX_VALUE)) .addGroup(groupLayout.createSequentialGroup() .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(lblNewLabel) .addComponent(label) .addComponent(label_1)) .addGap(16)) .addGroup(groupLayout.createSequentialGroup() .addContainerGap() .addComponent(label_2, GroupLayout.PREFERRED_SIZE, 48, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED))) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(textField_3, GroupLayout.PREFERRED_SIZE, 290, GroupLayout.PREFERRED_SIZE) .addComponent(textField, GroupLayout.PREFERRED_SIZE, 290, GroupLayout.PREFERRED_SIZE) .addComponent(textField_1, GroupLayout.PREFERRED_SIZE, 290, GroupLayout.PREFERRED_SIZE) .addComponent(textField_2, GroupLayout.PREFERRED_SIZE, 290, GroupLayout.PREFERRED_SIZE)) .addGap(71)) ); groupLayout.setVerticalGroup( groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addGap(34) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(textField_2, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(lblNewLabel)) .addGap(10) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(textField_1, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(label)) .addGap(10) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(textField, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(label_1)) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(textField_3, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(label_2)) .addPreferredGap(ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(button_2, GroupLayout.PREFERRED_SIZE, 46, GroupLayout.PREFERRED_SIZE) .addComponent(button_3, GroupLayout.PREFERRED_SIZE, 46, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(button, GroupLayout.PREFERRED_SIZE, 46, GroupLayout.PREFERRED_SIZE) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 46, GroupLayout.PREFERRED_SIZE)) .addContainerGap()) ); getContentPane().setLayout(groupLayout); } }
4、购买信息
package com.chinasoft.gui.PM; //购买信息 import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.io.FileOutputStream; import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTable; import javax.swing.LayoutStyle.ComponentPlacement; import javax.swing.border.EmptyBorder; import javax.swing.border.LineBorder; import javax.swing.table.DefaultTableModel; public class Suibian4 extends JFrame { private JPanel contentPane; private JTable table; private JTable table_1; private JTable table_2; private JButton button_1; private JButton button_2; private JButton button_3; private JButton button_4; private JButton button_5; private JButton button_6; private JButton button_7; private JButton button_8; static Object[][] af={ {"\u7269\u54C1\u540D\u79F0", "\u7269\u54C1\u79CD\u7C7B", "\u7269\u54C1\u4EF7\u683C", "\u7269\u54C1\u6570\u91CF", "\u7269\u54C1\u603B\u4EF7"}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, {null,null,null,null}, }; private JButton btnNewButton; public Suibian4() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setTitle("购买信息"); setBounds(100, 100, 750, 530); contentPane = new JPanel(); contentPane.setBackground(new Color(222, 184, 135)); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); table = new JTable(); table_1 = new JTable(); table_2 = new JTable(); table_2.setRowHeight(38); table_2.setFont(new Font("宋体", Font.PLAIN, 12)); table_2.setBorder(new LineBorder(new Color(0, 0, 0))); table_2.setModel(new DefaultTableModel( af, new String[] { "\u7269\u54C1\u540D\u79F0", "\u7269\u54C1\u79CD\u7C7B", "\u7269\u54C1\u4EF7\u683C", "\u7269\u54C1\u5E93\u5B58" } )); table_2.getColumnModel().getColumn(0).setMinWidth(25); table_2.getColumnModel().getColumn(2).setMinWidth(25); JButton button = new JButton("\u8D2D\u4E70"); button.setBackground(new Color(175, 238, 238)); button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { File file = new File("D:\\workspace\\购买.txt"); try { FileOutputStream goumai=new FileOutputStream("D:\\workspace\\购买.txt",true); String qwe=(String) table_2.getValueAt(1, 0)+" "+table_2.getValueAt(1, 1) +" "+table_2.getValueAt(1, 2)+" "+table_2.getValueAt(1, 3)+System.getProperty("line.separator"); byte[]ab = qwe.getBytes(); goumai.write(ab); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); button_1 = new JButton("\u8D2D\u4E70"); button_1.setBackground(new Color(175, 238, 238)); button_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { File file = new File("D:\\workspace\\购买.txt"); try { FileOutputStream goumai=new FileOutputStream("D:\\workspace\\购买.txt",true); String qwe=(String) table_2.getValueAt(2, 0)+" "+table_2.getValueAt(2, 1) +" "+table_2.getValueAt(2, 2)+" "+table_2.getValueAt(2, 3)+System.getProperty("line.separator"); byte[]ab = qwe.getBytes(); goumai.write(ab); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); button_2 = new JButton("\u8D2D\u4E70"); button_2.setBackground(new Color(175, 238, 238)); button_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { File file = new File("D:\\workspace\\购买.txt"); try { FileOutputStream goumai=new FileOutputStream("D:\\workspace\\购买.txt",true); String qwe=(String) table_2.getValueAt(3, 0)+" "+table_2.getValueAt(3, 1) +" "+table_2.getValueAt(3, 2)+" "+table_2.getValueAt(3, 3)+System.getProperty("line.separator"); byte[]ab = qwe.getBytes(); goumai.write(ab); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); button_3 = new JButton("\u8D2D\u4E70"); button_3.setBackground(new Color(175, 238, 238)); button_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { File file = new File("D:\\workspace\\购买.txt"); try { FileOutputStream goumai=new FileOutputStream("D:\\workspace\\购买.txt",true); String qwe=(String) table_2.getValueAt(4, 0)+" "+table_2.getValueAt(4, 1) +" "+table_2.getValueAt(4, 2)+" "+table_2.getValueAt(4, 3)+System.getProperty("line.separator"); byte[]ab = qwe.getBytes(); goumai.write(ab); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); button_4 = new JButton("\u8D2D\u4E70"); button_4.setBackground(new Color(175, 238, 238)); button_4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { File file = new File("D:\\workspace\\购买.txt"); try { FileOutputStream goumai=new FileOutputStream("D:\\workspace\\购买.txt",true); String qwe=(String) table_2.getValueAt(5, 0)+" "+table_2.getValueAt(5, 1) +" "+table_2.getValueAt(5, 2)+" "+table_2.getValueAt(5, 3)+System.getProperty("line.separator"); // String str4 =System.getProperty("line.separator");//输出换行 // byte[] f2 = str4.getBytes(); byte[]ab = qwe.getBytes(); goumai.write(ab); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); button_5 = new JButton("\u8D2D\u4E70"); button_5.setBackground(new Color(175, 238, 238)); button_6 = new JButton("\u8D2D\u4E70"); button_6.setBackground(new Color(175, 238, 238)); button_7 = new JButton("\u8D2D\u4E70"); button_7.setBackground(new Color(175, 238, 238)); button_8 = new JButton("\u8D2D\u4E70"); button_8.setBackground(new Color(175, 238, 238)); btnNewButton = new JButton("\u4ED8\u6B3E"); btnNewButton.setBackground(new Color(175, 238, 238)); btnNewButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { new Suibian5().setVisible(true); } }); GroupLayout gl_contentPane = new GroupLayout(contentPane); gl_contentPane.setHorizontalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(30) .addComponent(table_2, GroupLayout.PREFERRED_SIZE, 617, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addComponent(button_8, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_7, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_6, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_5, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_4, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_3, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_2, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE) .addComponent(button, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE))) .addGroup(gl_contentPane.createSequentialGroup() .addGap(1) .addComponent(table, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addContainerGap() .addComponent(table_1, GroupLayout.PREFERRED_SIZE, 1, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addGap(293) .addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 81, GroupLayout.PREFERRED_SIZE))) .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) ); gl_contentPane.setVerticalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(1) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(table, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(table_1, GroupLayout.PREFERRED_SIZE, 1, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(table_2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addGap(45) .addComponent(button) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_1) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_2) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_3) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_4) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_5) .addGap(10) .addComponent(button_6) .addGap(10) .addComponent(button_7) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_8))) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(btnNewButton, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGap(8)) ); contentPane.setLayout(gl_contentPane); } }
5、商品目录
package com.chinasoft.gui.PM; import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.LayoutStyle.ComponentPlacement; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JComboBox; import javax.swing.DefaultComboBoxModel; import javax.swing.JTextArea; //import org.eclipse.wb.swing.FocusTraversalOnArray; import java.awt.Component; import java.awt.Font; import java.io.DataInputStream; import java.io.FileInputStream; import java.awt.event.ItemListener; import java.awt.event.ItemEvent; //商品目录 public class Suibian2 extends JFrame { private JPanel contentPane; private JLabel lblMsg; private JTextArea textArea; public Suibian2() { //建立商品信息的窗口 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 700, 500); this.setTitle("商品种类"); contentPane = new JPanel(); contentPane.setToolTipText(""); contentPane.setBackground(new Color(0, 255, 255)); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); lblMsg = new JLabel(""); final JComboBox comboBox = new JComboBox(); //图书类的下拉列表 comboBox.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) { } }); comboBox.setFont(new Font("宋体", Font.PLAIN, 15)); comboBox.setToolTipText("图书类"); comboBox.addItem("童书"); comboBox.addItem("文学"); // comboBox.setModel(new DefaultComboBoxModel( new String[] {"童书", "文学", "\u6559\u80B2", "\u4EBA\u6587\u793E\u79D1", "\u7ECF\u8425", "\u827A\u672F", "\u8BA1\u7B97\u673A", "\u79D1\u6280", "\u751F\u6D3B"})); comboBox.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) { String b = "童书"; String c = "文学"; // String [] a = new String[] {"童书", "文学", "\u6559\u80B2", "\u4EBA\u6587\u793E\u79D1", "\u7ECF\u8425", "\u827A\u672F", "\u8BA1\u7B97\u673A", "\u79D1\u6280", "\u751F\u6D3B"}; if(b.equals(comboBox.getItemAt(2))){ FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\童书.txt"); DataInputStream data=new DataInputStream(in); byte[] b1=new byte[data.available()]; data.read(b1); String s=new String(b1); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } }else if(c.equals(comboBox.getItemAt(1))) { FileInputStream a; //利用字节的输入流把所用的文本在文本域中读出来 try { a = new FileInputStream("D:\\workspace\\文学.txt"); DataInputStream c1=new DataInputStream(a); byte[] d=new byte[c1.available()]; c1.read(d); String s=new String(d); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } } }); JComboBox comboBox_1 = new JComboBox(); //电器类的下拉列表 comboBox_1.setToolTipText("电器类"); comboBox_1.setFont(new Font("宋体", Font.PLAIN, 15)); comboBox_1.setModel(new DefaultComboBoxModel(new String[] {"\u7A7A\u8C03", "\u51B0\u7BB1", "\u6D17\u8863\u673A", "\u7535\u89C6", "\u70ED\u6C34\u5668", "\u7535\u98CE\u6247", "\u5438\u5C18\u5668"})); comboBox_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\空调.txt"); DataInputStream data=new DataInputStream(in); byte[] b=new byte[data.available()]; data.read(b); String s=new String(b); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); JComboBox comboBox_2 = new JComboBox(); //建立服装类的下拉列表 comboBox_2.setToolTipText("服装类"); comboBox_2.setFont(new Font("宋体", Font.PLAIN, 15)); comboBox_2.setModel(new DefaultComboBoxModel(new String[] {"\u77ED\u8896T\u6064", "\u957F\u8896T\u6064", "\u4F11\u95F2\u88E4", "\u5939\u514B", "\u886C\u886B", "\u725B\u4ED4\u88E4", "\u77ED\u88E4", "\u536B\u8863", "\u897F\u88C5"})); comboBox_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\短袖T恤.txt"); DataInputStream data=new DataInputStream(in); byte[] b=new byte[data.available()]; data.read(b); String s=new String(b); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); JComboBox comboBox_3 = new JComboBox(); //建立母婴类的下拉列表 comboBox_3.setToolTipText("母婴类"); comboBox_3.setFont(new Font("宋体", Font.PLAIN, 15)); comboBox_3.setModel(new DefaultComboBoxModel(new String[] {"\u5976\u7C89", "\u5C3F\u88E4\u6E7F\u5DFE", "\u6D17\u62A4\u7528\u54C1", "\u7AE5\u8F66\u7AE5\u5E8A", "\u5976\u74F6", "\u5976\u5634", "\u5C3F\u4E0D\u6E7F"})); comboBox_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\奶粉.txt"); DataInputStream data=new DataInputStream(in); byte[] b=new byte[data.available()]; data.read(b); String s=new String(b); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); JComboBox comboBox_4 = new JComboBox(); //建立食品类的下拉列表 comboBox_4.setToolTipText("食品类"); comboBox_4.setFont(new Font("宋体", Font.PLAIN, 15)); comboBox_4.setModel(new DefaultComboBoxModel(new String[] {"\u5DE7\u514B\u529B", "\u575A\u679C", "\u8336", "\u5496\u5561", "\u996E\u6599", "\u5976\u8336", "\u725B\u5976", "\u8FA3\u6761", "\u7CD6\u679C"})); comboBox_4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { FileInputStream in; //利用字节的输入流把所用的文本在文本域中读出来 try { in = new FileInputStream("D:\\workspace\\巧克力.txt"); DataInputStream data=new DataInputStream(in); byte[] b=new byte[data.available()]; data.read(b); String s=new String(b); textArea.setText(s); //在文本域中读出所需的文件 } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); textArea = new JTextArea(); //建立对应的文本域 JLabel lblNewLabel = new JLabel("\u56FE\u4E66\u7C7B"); JLabel label = new JLabel("\u7535\u5668\u7C7B"); JLabel label_1 = new JLabel("\u670D\u88C5\u7C7B"); JLabel label_2 = new JLabel("\u6BCD\u5A74\u7C7B"); JLabel label_3 = new JLabel("\u98DF\u54C1\u7C7B"); // textArea.setLineWrap(true); GroupLayout gl_contentPane = new GroupLayout(contentPane); gl_contentPane.setHorizontalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING, false) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(lblNewLabel) .addPreferredGap(ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(comboBox, GroupLayout.PREFERRED_SIZE, 87, GroupLayout.PREFERRED_SIZE)) .addGroup(Alignment.LEADING, gl_contentPane.createSequentialGroup() .addComponent(label_3) .addPreferredGap(ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(comboBox_4, GroupLayout.PREFERRED_SIZE, 87, GroupLayout.PREFERRED_SIZE)) .addGroup(Alignment.LEADING, gl_contentPane.createSequentialGroup() .addComponent(label_2) .addPreferredGap(ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(comboBox_3, GroupLayout.PREFERRED_SIZE, 87, GroupLayout.PREFERRED_SIZE)) .addGroup(Alignment.LEADING, gl_contentPane.createSequentialGroup() .addComponent(label_1) .addPreferredGap(ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(comboBox_2, GroupLayout.PREFERRED_SIZE, 87, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(label) .addGap(43) .addComponent(comboBox_1, GroupLayout.PREFERRED_SIZE, 87, GroupLayout.PREFERRED_SIZE))) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(textArea, GroupLayout.DEFAULT_SIZE, 480, Short.MAX_VALUE)) ); gl_contentPane.setVerticalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addContainerGap() .addComponent(textArea, GroupLayout.DEFAULT_SIZE, 432, Short.MAX_VALUE)) .addGroup(gl_contentPane.createSequentialGroup() .addGap(19) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addComponent(comboBox, GroupLayout.PREFERRED_SIZE, 51, GroupLayout.PREFERRED_SIZE) .addComponent(lblNewLabel, GroupLayout.PREFERRED_SIZE, 37, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED, 42, Short.MAX_VALUE) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(comboBox_1, GroupLayout.PREFERRED_SIZE, 51, GroupLayout.PREFERRED_SIZE) .addComponent(label, GroupLayout.PREFERRED_SIZE, 37, GroupLayout.PREFERRED_SIZE)) .addGap(42) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addComponent(comboBox_2, GroupLayout.PREFERRED_SIZE, 51, GroupLayout.PREFERRED_SIZE) .addComponent(label_1, GroupLayout.PREFERRED_SIZE, 37, GroupLayout.PREFERRED_SIZE)) .addGap(43) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addComponent(comboBox_3, GroupLayout.PREFERRED_SIZE, 51, GroupLayout.PREFERRED_SIZE) .addComponent(label_2, GroupLayout.PREFERRED_SIZE, 37, GroupLayout.PREFERRED_SIZE)) .addGap(41) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING) .addComponent(comboBox_4, GroupLayout.PREFERRED_SIZE, 51, GroupLayout.PREFERRED_SIZE) .addComponent(label_3, GroupLayout.PREFERRED_SIZE, 37, GroupLayout.PREFERRED_SIZE)))) .addContainerGap()) ); contentPane.setLayout(gl_contentPane); // contentPane.setFocusTraversalPolicy(new FocusTraversalOnArray(new Component[]{comboBox})); } }
6、结账系统
package com.chinasoft.gui.PM; //结算 import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.JTextArea; import javax.swing.JButton; import javax.swing.LayoutStyle.ComponentPlacement; import javax.swing.JTextField; import javax.swing.JLabel; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.awt.Color; public class Suibian5 extends JFrame { private JPanel contentPane; private JTextField textField; private JTextField textField_1; private JTextField textField_2; private JTextField textField_3; private JTextField textField_4; public Suibian5() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setTitle("结算"); setBounds(100, 100, 416, 523); contentPane = new JPanel(); contentPane.setBackground(new Color(255, 240, 245)); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); textField = new JTextField(); for(int i = 1;i<=10;i++){ if(Suibian4.af[i][0] != null){ textField.setText((String) Suibian4.af[i][2]+"+"+(String) Suibian4.af[i+1][2] +"+"+(String) Suibian4.af[i+2][2]+"+"+(String) Suibian4.af[i+3][2]); //商品价格 break; } } textField.setColumns(10); textField_1 = new JTextField(); for(int j = 1;j<=10;j++){ if(Suibian4.af[j][0] != null){ textField_1.setText((String) Suibian4.af[j][3]+"+"+(String) Suibian4.af[j+1][3] +"+"+(String) Suibian4.af[j+2][3]+"+"+(String) Suibian4.af[j+3][3]); //商品数量 break; } } textField_1.setColumns(10); JLabel lblNewLabel = new JLabel("\u4EF7\u683C"); JLabel lblNewLabel_1 = new JLabel("\u6570\u91CF"); textField_2 = new JTextField(); textField_2.setColumns(10); textField_3 = new JTextField(); textField_3.setColumns(10); textField_4 = new JTextField(); textField_4.setColumns(10); JButton btnNewButton = new JButton("\u627E\u96F6"); btnNewButton.setBackground(new Color(230, 230, 250)); btnNewButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { String str = textField_2.getText(); String str1 = textField_3.getText(); int c = Integer.parseInt(str); int d = Integer.parseInt(str1); int div = c - d; textField_4.setText(Integer.toString(div)); } }); JButton button = new JButton("\u7ED3\u7B97"); button.setBackground(new Color(230, 230, 250)); button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { String str = textField_3.getText(); byte []b1 = new byte[str.length()]; b1 = str.getBytes(); int endIndex = str.length(); for(int i =0;i <str.length();i++ ){ if(b1[i] == ‘+‘){ //获取第一个数字 int index11 = str.indexOf("+"); String str1 = str.substring(0, index11); int a = Integer.parseInt(str1); //获取第二个数字 String str2 = str.substring(index11+1, endIndex); int b = Integer.parseInt(str2); //加法计算 int sum = a + b; //输出结果 textField_3.setText(Integer.toString(sum)); }else if(b1[i] == ‘-‘){ int index33 = str.indexOf("-"); String str3 = str.substring(0, index33); int c = Integer.parseInt(str3); String str4 = str.substring(index33+1, endIndex); int d = Integer.parseInt(str4); int div = c - d; textField_3.setText(Integer.toString(div)); }else if(b1[i] == ‘*‘){ int index44 = str.indexOf("*"); String str11 = str.substring(0, index44); int c1 = Integer.parseInt(str11); String str12 = str.substring(index44+1, endIndex); int d1 = Integer.parseInt(str12); int cheng = c1 * d1; textField_3.setText(Integer.toString(cheng)); }else if(b1[i] == ‘/‘){ int index5 = str.indexOf("/"); String str13 = str.substring(0, index5); int c2 = Integer.parseInt(str13); String str14 = str.substring(index5+1, endIndex); int d2 = Integer.parseInt(str14); int chu = c2 / d2; textField_3.setText(Integer.toString(chu)); } } } }); JButton button_1 = new JButton("\u6E05\u96F6"); button_1.setBackground(new Color(230, 230, 250)); button_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(""); textField_4.setText(""); } }); JButton button_2 = new JButton("0"); button_2.setBackground(new Color(230, 230, 250)); button_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "0"); } }); JButton button_3 = new JButton("7"); button_3.setBackground(new Color(230, 230, 250)); button_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "7"); } }); JButton button_4 = new JButton("8"); button_4.setBackground(new Color(230, 230, 250)); button_4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "8"); } }); JButton button_5 = new JButton("9"); button_5.setBackground(new Color(230, 230, 250)); button_5.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "9"); } }); JButton button_6 = new JButton("*"); button_6.setBackground(new Color(230, 230, 250)); button_6.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "*"); } }); JButton button_7 = new JButton("4"); button_7.setBackground(new Color(230, 230, 250)); button_7.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "4"); } }); JButton button_8 = new JButton("5"); button_8.setBackground(new Color(230, 230, 250)); button_8.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "5"); } }); JButton button_9 = new JButton("6"); button_9.setBackground(new Color(230, 230, 250)); button_9.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "6"); } }); JButton button_10 = new JButton("-"); button_10.setBackground(new Color(230, 230, 250)); button_10.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "-"); } }); JButton button_11 = new JButton("1"); button_11.setBackground(new Color(230, 230, 250)); button_11.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "1"); } }); JButton button_12 = new JButton("2"); button_12.setBackground(new Color(230, 230, 250)); button_12.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "2"); } }); JButton button_13 = new JButton("3"); button_13.setBackground(new Color(230, 230, 250)); button_13.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "3"); } }); JButton button_14 = new JButton("+"); button_14.setBackground(new Color(230, 230, 250)); button_14.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_3.setText(textField_3.getText() + "+"); } }); JLabel label = new JLabel("\u5B9E\u4ED8"); JLabel label_1 = new JLabel("\u5E94\u4ED8"); JLabel label_2 = new JLabel("\u627E\u96F6"); GroupLayout gl_contentPane = new GroupLayout(contentPane); gl_contentPane.setHorizontalGroup( gl_contentPane.createParallelGroup(Alignment.TRAILING) .addGroup(gl_contentPane.createSequentialGroup() .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addGap(8) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addComponent(label, GroupLayout.PREFERRED_SIZE, 37, GroupLayout.PREFERRED_SIZE) .addComponent(lblNewLabel)) .addPreferredGap(ComponentPlacement.UNRELATED) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING, false) .addComponent(textField_2) .addComponent(textField, GroupLayout.DEFAULT_SIZE, 101, Short.MAX_VALUE)) .addPreferredGap(ComponentPlacement.RELATED, 59, Short.MAX_VALUE) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(Alignment.TRAILING, gl_contentPane.createSequentialGroup() .addComponent(lblNewLabel_1, GroupLayout.PREFERRED_SIZE, 44, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED)) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(label_1, GroupLayout.PREFERRED_SIZE, 46, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED))) .addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING, false) .addComponent(textField_3, Alignment.LEADING) .addComponent(textField_1, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 99, Short.MAX_VALUE))) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(label_2, GroupLayout.PREFERRED_SIZE, 30, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING, false) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(button_11, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_12, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(button_13, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_14, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(button_7, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_8, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(button_9, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_10, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(button_3, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_4, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(button_5, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_6, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE)) .addGroup(gl_contentPane.createSequentialGroup() .addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(button_2, GroupLayout.PREFERRED_SIZE, 76, GroupLayout.PREFERRED_SIZE)) .addComponent(textField_4)))) .addGap(41)) ); gl_contentPane.setVerticalGroup( gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createSequentialGroup() .addContainerGap() .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(textField, GroupLayout.PREFERRED_SIZE, 28, GroupLayout.PREFERRED_SIZE) .addComponent(lblNewLabel) .addComponent(lblNewLabel_1) .addComponent(textField_1, GroupLayout.PREFERRED_SIZE, 27, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.UNRELATED) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(textField_2, GroupLayout.PREFERRED_SIZE, 27, GroupLayout.PREFERRED_SIZE) .addComponent(textField_3, GroupLayout.PREFERRED_SIZE, 27, GroupLayout.PREFERRED_SIZE) .addComponent(label) .addComponent(label_1)) .addGap(43) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(label_2, GroupLayout.PREFERRED_SIZE, 36, GroupLayout.PREFERRED_SIZE) .addComponent(textField_4, GroupLayout.PREFERRED_SIZE, 65, GroupLayout.PREFERRED_SIZE)) .addGap(18) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_1, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_2, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)) .addGap(18) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(button_3, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_4, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)) .addComponent(button_5, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_6, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)) .addGap(18) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(button_7, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_8, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_9, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_10, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.UNRELATED) .addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING) .addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE) .addComponent(button_11, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_12, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE) .addComponent(button_13, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)) .addComponent(button_14, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)) .addContainerGap(76, Short.MAX_VALUE)) ); contentPane.setLayout(gl_contentPane); } }