@TOC
JavaSwing库存管理系统
本系统简单实现了库存管理和角色权限管理，管理员可以管理和发布商品，普通用户浏览商品需求
实现功能截图
登录页面：
不同角色校验：
管理员页面：
普通用户页面：
系统功能
本库存管理系统实现了以下功能：
管理员/普通用户权限管理
不同角色登录
商品的增删改查
使用技术
数据库：mysql
开发工具：netbeans（Eclipse、Myeclispe、Idea也可以）
知识点：JavaSwing
由于功能简单，代码都放在了一个包下面：
代码
登录页面：
package com.stock.java;
import javax.swing.*;
import javax.swing.plaf.InsetsUIResource;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URL;
import java.text.SimpleDateFormat;
/**
* @Author: wen
* @Date: 2020/11/20 22:28
* @Description: 登陆模块
* @Version: 1.0
*/
public class Login extends JFrame {
private static final long serialVersionUID = 1L;
private JPanel jContentPane = null;
private JButton jButton21 = null;
private JButton jButton22 = null;
private JTextField jTextField = null;
private JPasswordField jPasswordField = null;
private JLabel jLabel = null;
public static String storeUserName = null;// 登录用户名
public static String storeUserPassword = null;// 登录密码
static boolean RELOAD = true;// 重新登陆标记
static int login_user_type;// 1表示管理员，0销售
private JLabel jLabel_User = null;
private JLabel jLabel_userName = null;
private JLabel jLabel_password = null;
private JLabel jLabel_privilege = null;
private URL imgURL = null;
private BtnListener btl = null;
private JComboBox jComboBox = null;
private JLabel jLabel_tips = null;
private void initialize() {
jLabel_tips = new JLabel();
jLabel_tips.setBounds(new Rectangle(15, 247, 277, 24));
this.setResizable(false);
this.setSize(296, 356);
// this.setSize(350, 450);
this.setTitle("Welcome Login");
imgURL = this.getClass().getResource(
"icon.png");
this.setIconImage(Toolkit.getDefaultToolkit().getImage(imgURL));
this.setLocationRelativeTo(null);
// this.setUndecorated(true);//设置无边框
try {
UIManager
.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");// 使用windows外观
} catch (Exception e) {
e.printStackTrace();
}
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
jButton21 = new JButton();
jButton21.setBounds(new Rectangle(15, 295, 78, 26));
imgURL = this.getClass().getResource("/com/code2life/user/images/icon.png");
jButton21.setText("login");
// 允许回车登录
getRootPane().setDefaultButton(jButton21);
jButton22 = new JButton();
jButton22.setBounds(new Rectangle(110, 296, 78, 26));
jButton22.setText("exit");
jTextField = new JTextField(20);
jTextField.setBounds(new Rectangle(120, 180, 124, 23));
jPasswordField = new JPasswordField();
jPasswordField.setBounds(new Rectangle(120, 210, 124, 23));
jLabel = new JLabel();
jLabel.setText("");
jLabel.setBounds(new Rectangle(0, -1, 291, 142));
imgURL = this.getClass()
.getResource("login.gif");
jLabel.setIcon(new ImageIcon(imgURL));
jLabel_password = new JLabel();
jLabel_password.setBounds(new Rectangle(29, 210, 71, 19));
jLabel_password.setText("password：");
jLabel_userName = new JLabel();
jLabel_userName.setBounds(new Rectangle(29, 181, 71, 19));
jLabel_userName.setText("username：");
jLabel_User = new JLabel();
jLabel_User.setBounds(new Rectangle(10, 147, 275, 98));
jLabel_privilege = new JLabel();
jLabel_privilege.setBounds(new Rectangle(18, 272, 71, 19));
jLabel_privilege.setText("type：");
jComboBox = new JComboBox();
jComboBox.setBounds(new Rectangle(109, 272, 123, 23));
jComboBox.addItem("sale");
jComboBox.addItem("admin");
imgURL = this.getClass().getResource("user.gif");
jLabel_User.setIcon(new ImageIcon(imgURL));
jLabel_User.setText("User");
jContentPane = new JPanel();// 新建jPanel面板
jContentPane.setLayout(null);
jContentPane.add(jLabel_userName, null);
jContentPane.add(jLabel_password, null);
jContentPane.add(jButton21, null);
jContentPane.add(jButton22, null);
jContentPane.add(jTextField, null);
jContentPane.add(jPasswordField, null);
jContentPane.add(jLabel, null);
jContentPane.add(jLabel_User, null);
jContentPane.add(jComboBox, null);
jContentPane.add(jLabel_privilege, null);
jContentPane.add(jLabel_tips, null);
setContentPane(jContentPane);
btl = new BtnListener();
jButton21.addActionListener(btl);
jButton22.addActionListener(btl);
}
/**
* @author Administrator
* @监听类
*/
public class BtnListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (e.getSource() == jButton21) {
GoodsService ud = new GoodsService();
String user = jTextField.getText().trim();
String password = new String(jPasswordField.getPassword())
.trim();// char to String
storeUserName = user;
storeUserPassword = password;
login_user_type = jComboBox.getSelectedIndex();
if ("".equals(user)) {
JOptionPane.showMessageDialog(null, "用户名不能为空");
return;
}
if ("".equals(password)) {
JOptionPane.showMessageDialog(null, "密码不能为空");
return;
}
SimpleDateFormat sdf = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
String dt = sdf.format(new java.util.Date());
// 登陆
if (ud.userLogin(login_user_type, storeUserName,
storeUserPassword)) {
dispose();
try {
UIManager.put("RootPane.setupButtonVisible", false);
UIManager.put("ToolBar.isPaintPlainBackground",
Boolean.FALSE);
UIManager.put("TabbedPane.tabAreaInsets",
new InsetsUIResource(0, 0, 0, 0));
UIManager.put("TabbedPane.contentBorderInsets",
new InsetsUIResource(0, 0, 2, 0));
UIManager.put("TabbedPane.tabInsets",
new InsetsUIResource(3, 10, 9, 10));
Font frameTitleFont = (Font) UIManager
.get("InternalFrame.titleFont");
frameTitleFont = frameTitleFont
.deriveFont(Font.PLAIN);
UIManager.put("InternalFrame.titleFont",
frameTitleFont);
} catch (Exception e1) {
// TODO exception
}
GoodsFrame mf = new GoodsFrame(user);
mf.setVisible(true);
} else {
JOptionPane.showMessageDialog(null, "login fail");
return;
}
} else if (e.getSource() == jButton22) {
System.exit(0);
}
}
}
/**
* @param args
* @throws Exception
* @主函数
*/
public static void main(String[] args) throws Exception {
try {
UIManager.put("RootPane.setupButtonVisible", false);
UIManager.put("ToolBar.isPaintPlainBackground", Boolean.FALSE);
} catch (Exception e) {
// TODO exception
}
UIManager.put("RootPane.setupButtonVisible", false);
UIManager.put("TabbedPane.tabAreaInsets", new InsetsUIResource(0, 0, 0,
0));
UIManager.put("TabbedPane.contentBorderInsets", new InsetsUIResource(0,
0, 2, 0));
UIManager.put("TabbedPane.tabInsets",
new InsetsUIResource(3, 10, 9, 10));
Font frameTitleFont = (Font) UIManager.get("InternalFrame.titleFont");
frameTitleFont = frameTitleFont.deriveFont(Font.PLAIN);
UIManager.put("InternalFrame.titleFont", frameTitleFont);
Login login = new Login(RELOAD);
login.setVisible(true);
}
public Login() {
super();
initialize();
}
public Login(boolean reload) {
super();
initialize();
}
}
商品管理页面：
package com.stock.java;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JScrollPane;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.util.List;
import java.awt.event.ActionEvent;
public class GoodsFrame extends JFrame {
private JPanel contentPane;
private JTextField textField_1;
private JTable table;
private String[] columnCount= {"ID","goods_name","quantity","price","time"};
private List<Goods> list;
public static Goods goo;
public static GoodsFrame frame;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
frame = new GoodsFrame("admin");
//窗口居中
frame.setLocationRelativeTo(null);
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public GoodsFrame(String type) {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 764, 469);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(29, 58, 692, 332);
contentPane.add(scrollPane);
table = new JTable();
scrollPane.setViewportView(table);
textField_1 = new JTextField();
textField_1.setBounds(30, 22, 40, 23);
contentPane.add(textField_1);
JButton button = new JButton("query");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
quaryAll();
}
});
button.setBounds(80, 22, 70, 23);
contentPane.add(button);
JButton button_1 = new JButton("add");
button_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
new FromFjame().setVisible(true);
}
});
button_1.setBounds(400, 22, 70, 23);
if (type.equals("admin")){
contentPane.add(button_1);
}
//全屏
// setExtendedState(JFrame.MAXIMIZED_BOTH);
JButton button_3 = new JButton("delete");
button_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
remove();
quaryAll();
}
});
button_3.setBounds(510, 22, 70, 23);
// contentPane.add(button_3);
if (type.equals("admin")){
contentPane.add(button_3);
}
JButton button_4 = new JButton("close");
button_4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
button_4.setBounds(650, 22, 70, 23);
contentPane.add(button_4);
}
//查询
public void quaryAll() {
String select_val = textField_1.getText();
System.out.println(select_val);
GoodsService ss=new GoodsService();
list = ss.queryAll(select_val);
if(list==null) {
JOptionPane.showMessageDialog(null, "Server is busy!");
return;
}
Object[][] data = Util.listToArray(list);
table.setModel(new DefaultTableModel(data, columnCount));
}
//删除
private void remove() {
int i = table.getSelectedRow();
Goods s = list.get(i);
int code = new GoodsService().delete(s.getId());
if(code==0) {
JOptionPane.showMessageDialog(null, "delete success");
return;
}else {
JOptionPane.showMessageDialog(null,Util.errors.get(code) );
}
quaryAll();
}
}
提交表单页面：
package com.stock.java;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.time.LocalDate;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
public class FromFjame extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel contentPane;
private JTextField textField;
private JTextField textField_1;
private JTextField textField_3;
private JComboBox comboBox;
private JComboBox comboBox_1;
private JComboBox comboBox_2;
public FromFjame() {
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setBounds(100, 100, 314, 436);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JLabel label = new JLabel("add");
label.setFont(new Font("宋体", Font.PLAIN, 17));
label.setBounds(118, 20, 78, 39);
contentPane.add(label);
JLabel label_1 = new JLabel("name");
label_1.setBounds(23, 71, 40, 15);
contentPane.add(label_1);
textField = new JTextField();
textField.setBounds(87, 68, 155, 21);
contentPane.add(textField);
textField.setColumns(10);
JLabel label_2 = new JLabel("quantity");
label_2.setBounds(23, 128, 40, 15);
contentPane.add(label_2);
textField_1 = new JTextField();
textField_1.setBounds(87, 125, 155, 21);
contentPane.add(textField_1);
textField_1.setColumns(10);
JLabel lblNewLabel = new JLabel("time");
lblNewLabel.setBounds(23, 191, 32, 15);
contentPane.add(lblNewLabel);
JLabel label_3 = new JLabel("price");
label_3.setBounds(23, 251, 32, 15);
contentPane.add(label_3);
textField_3 = new JTextField();
textField_3.setBounds(87, 248, 155, 21);
contentPane.add(textField_3);
textField_3.setColumns(10);
comboBox = new JComboBox();
comboBox.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
addDay();
}
});
comboBox.setBounds(87, 188, 54, 21);
contentPane.add(comboBox);
comboBox_1 = new JComboBox();
comboBox_1.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
addDay();
}
});
comboBox_1.setBounds(151, 188, 47, 21);
contentPane.add(comboBox_1);
comboBox_2 = new JComboBox();
comboBox_2.setBounds(202, 188, 40, 21);
contentPane.add(comboBox_2);
//选择框添加内容
addBirth();
JButton button = new JButton("add");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(GoodsFrame.goo==null) {
add();
}
}
});
button.setBounds(37, 325, 93, 23);
contentPane.add(button);
JButton button_1 = new JButton("back");
button_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
//每次返回清空信息
GoodsFrame.goo=null;
//退出
dispose();
}
});
button_1.setBounds(169, 325, 93, 23);
contentPane.add(button_1);
//当点击的行数的信息不为空时，进行下面操作
if(GoodsFrame.goo!=null) {
textField.setText(GoodsFrame.goo.getGood_name());
textField_1.setText(GoodsFrame.goo.getQuantity()+"");
textField_3.setText(GoodsFrame.goo.getPrice()+"");
LocalDate birth =GoodsFrame.goo.getTime();
comboBox.setSelectedItem(birth.getYear());
comboBox_1.setSelectedItem(birth.getMonthValue());
comboBox_2.setSelectedItem(birth.getDayOfMonth());
button.setText("update");
}
}
//选择框填充内容
private void addBirth() {
int year=LocalDate.now().getYear();
for(int i=1970;i<=year;i++) {
comboBox.addItem(i);
}
for(int i=1;i<=12;i++) {
comboBox_1.addItem(i);
}
}
private void addDay() {
int year=1970;
int month=1;
int day=0;
Object oYear = comboBox.getSelectedItem();
Object oMonth =comboBox_1.getSelectedItem();
if(oYear==null||oMonth==null) {
return;
}else {
year=(int) oYear;
month=(int) oMonth;
}
boolean flag=(year%4==0&&year%100!=0)||year%400==0;
switch(month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
day=31;
break;
case 2:
day=flag?28:29;
break;
default:
day=30;
break;
}
comboBox_2.removeAllItems();
for(int i=1;i<=day;i++) {
comboBox_2.addItem(i);
}
}
//增加
private void add() {
String goods_name=textField.getText();
String quantity=textField_1.getText();
String price=textField_3.getText();
int year=(int)comboBox.getSelectedItem();
int month=(int) comboBox_1.getSelectedItem();
int day=(int) comboBox_2.getSelectedItem();
Goods s=new Goods(goods_name,quantity,Double.parseDouble(price),LocalDate.of(year, month, day));
int insert = new GoodsService().insert(s);
if(insert==0) {
JOptionPane.showMessageDialog(null, "add success");
textField.setText("");
textField_1.setText("");
textField_3.setText("");
return;
}else {
JOptionPane.showMessageDialog(null, Util.errors.get(insert));
}
}
}
写在最后
如果运行代码中遇到问题，或者需要完整源码和报告，可以私信博主V交流，或者搜索gongzhonghao：程序猿矛盾体
