From 06199d30d5e77d4c6253a27f1700a9612b27e8cd Mon Sep 17 00:00:00 2001 From: lx <3151245148@qq.com> Date: Wed, 17 Sep 2025 20:08:24 +0800 Subject: [PATCH 1/2] =?UTF-8?q?=E4=B8=80=E6=AC=A1=E6=B5=8B=E8=AF=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/main/java/com/example/Main.java | 1 + .../com/example/SalesProductManagement.java | 76 ++++++++++++++++++- 2 files changed, 76 insertions(+), 1 deletion(-) diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java index 2c857d7..3ec0d33 100644 --- a/src/main/java/com/example/Main.java +++ b/src/main/java/com/example/Main.java @@ -23,6 +23,7 @@ public class Main extends JFrame implements ActionListener { add(jb2); add(jb3); setBounds(100,100,500,500); + setLocationRelativeTo(null); setVisible(true); } diff --git a/src/main/java/com/example/SalesProductManagement.java b/src/main/java/com/example/SalesProductManagement.java index a013527..82eb3f5 100644 --- a/src/main/java/com/example/SalesProductManagement.java +++ b/src/main/java/com/example/SalesProductManagement.java @@ -1,4 +1,78 @@ package com.example; -public class SalesProductManagement { +import javax.swing.*; +import java.awt.*; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; + +public class SalesProductManagement extends JFrame implements ActionListener { + + JButton btn1; + JLabel lab1,lab2,lab3,lab4,lab5,lab6,lab7; + JTextField text2,text3,text5,text6,text8,text9,text10; + // JPasswordField passwordfile; + JPanel panel1,panel2,panel3; + + + + SalesProductManagement(){ + super("销售信息管理"); + panel1 = new JPanel(); + panel2 = new JPanel(); + panel3 = new JPanel(); + lab1=new JLabel("名称",JLabel.CENTER); + lab2=new JLabel("单价",JLabel.CENTER); + lab3=new JLabel("数量",JLabel.CENTER); + lab4=new JLabel("总计：",JLabel.CENTER); + lab5=new JLabel("苹果",JLabel.CENTER); + lab6=new JLabel("香蕉",JLabel.CENTER); + lab7=new JLabel("橘子",JLabel.CENTER); + + text2=new JTextField("2"+"元",JTextField.CENTER); + text3=new JTextField(3); + text5=new JTextField("3"+"元",JTextField.CENTER); + text6=new JTextField(3); + text8=new JTextField("5"+"元",JTextField.CENTER); + text9=new JTextField(3); + text10=new JTextField(5); + + btn1=new JButton("结算"); + + + add(panel1); + panel1.setLayout(new GridLayout(1,3,5,5)); + panel1.add(lab1); + panel1.add(lab2); + panel1.add(lab3); + panel1.setMaximumSize(new Dimension(Integer.MAX_VALUE, 40)); + add(panel2); + panel2.setLayout(new GridLayout(3,3,5,5)); + panel2.add(lab5); + panel2.add(text2); + panel2.add(text3); + panel2.add(lab6); + panel2.add(text5); + panel2.add(text6); + panel2.add(lab7); + panel2.add(text8); + panel2.add(text9); + panel2.setMaximumSize(new Dimension(Integer.MAX_VALUE, 120)); + add(panel3); + panel3.setLayout(new GridLayout(1,3,5,5)); + panel3.add(btn1); + panel3.add(lab4); + panel3.add(text10); + panel3.setMaximumSize(new Dimension(Integer.MAX_VALUE, 40)); + + + + setLayout(new GridLayout(3,1)); + setSize(500,500); + setLocationRelativeTo(null); + setVisible(true); + } + @Override + public void actionPerformed(ActionEvent e) { + + } } From 5cc7c67be807be7109db54366123865eebe1dd26 Mon Sep 17 00:00:00 2001 From: lx <3151245148@qq.com> Date: Thu, 18 Sep 2025 22:15:30 +0800 Subject: [PATCH 2/2] =?UTF-8?q?=E4=B8=80=E6=AC=A1=E6=B5=8B=E8=AF=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/main/java/com/example/Home.java | 2 +- src/main/java/com/example/Main.java | 3 ++- .../com/example/SalesProductManagement.java | 27 +++++++++++++++++++ 3 files changed, 30 insertions(+), 2 deletions(-) diff --git a/src/main/java/com/example/Home.java b/src/main/java/com/example/Home.java index f5fdc4f..50d58b8 100644 --- a/src/main/java/com/example/Home.java +++ b/src/main/java/com/example/Home.java @@ -12,7 +12,7 @@ public class Home extends JFrame implements ActionListener { JMenuItem StockMenuItem,InventoryMenuItem,SalesMenuItem; Home() { - super("城市进销存信息管理系统"); + super("超市进销存信息管理系统"); menuBar = new JMenuBar(); menu = new JMenu("菜单"); StockMenuItem = new JMenuItem("库存信息管理"); diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java index a3b0c11..1b7399b 100644 --- a/src/main/java/com/example/Main.java +++ b/src/main/java/com/example/Main.java @@ -49,7 +49,7 @@ public class Main extends JFrame implements ActionListener { String sql = "select * from user where username='"+tf1.getText()+"' and password='"+tf2.getText()+"'"; ; try { ResultSet rs = jdbc.query(sql); - jdbc.close(); + if(rs.next()&&tf3.getText().equals(jl5.getText())) { JOptionPane.showMessageDialog(null, "登录成功"); new Home(); @@ -70,4 +70,5 @@ public class Main extends JFrame implements ActionListener { public static void main(String[] args) { new Main(); } + } \ No newline at end of file diff --git a/src/main/java/com/example/SalesProductManagement.java b/src/main/java/com/example/SalesProductManagement.java index 82eb3f5..2c1dbaf 100644 --- a/src/main/java/com/example/SalesProductManagement.java +++ b/src/main/java/com/example/SalesProductManagement.java @@ -37,6 +37,7 @@ public class SalesProductManagement extends JFrame implements ActionListener { text10=new JTextField(5); btn1=new JButton("结算"); + btn1.addActionListener(this); add(panel1); @@ -70,9 +71,35 @@ public class SalesProductManagement extends JFrame implements ActionListener { setSize(500,500); setLocationRelativeTo(null); setVisible(true); + setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 添加窗口关闭功能 } @Override public void actionPerformed(ActionEvent e) { + // 判断事件源是否为结算按钮 + if (e.getSource() == btn1) { + try { + // 获取单价（从文本框提取数字部分） + double applePrice = Double.parseDouble(text2.getText().replace("元", "")); + double bananaPrice = Double.parseDouble(text5.getText().replace("元", "")); + double orangePrice = Double.parseDouble(text8.getText().replace("元", "")); + // 获取数量（处理空输入情况） + int appleCount = text3.getText().trim().isEmpty() ? 0 : Integer.parseInt(text3.getText().trim()); + int bananaCount = text6.getText().trim().isEmpty() ? 0 : Integer.parseInt(text6.getText().trim()); + int orangeCount = text9.getText().trim().isEmpty() ? 0 : Integer.parseInt(text9.getText().trim()); + + // 计算总金额 + double total = (applePrice * appleCount) + (bananaPrice * bananaCount) + (orangePrice * orangeCount); + + // 显示结果，保留两位小数 + text10.setText(String.format("%.2f元", total)); + } catch (NumberFormatException ex) { + // 处理输入非数字的情况 + JOptionPane.showMessageDialog(this, "请输入有效的数字", "输入错误", JOptionPane.ERROR_MESSAGE); + } + } + } + public static void main(String[] args) { + new SalesProductManagement(); } }