星期星期星期一—用GUI做一个简易的交易系统
Posted 王。雄
tags:
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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);
}
}
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