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大小: 6.39MB文件類(lèi)型: .rar金幣: 2下載: 0 次發(fā)布日期: 2022-03-27
- 語(yǔ)言: Java
- 標(biāo)簽: 畢設(shè)??實(shí)習(xí)??
資源簡(jiǎn)介
食堂飯卡管理系統(tǒng),可以作為畢設(shè)的內(nèi)容,也可以作為小學(xué)期的大作業(yè),Java+sql server2000

代碼片段和文件信息
import?java.awt.*;
import?javax.swing.*;
import?java.sql.*;
import?java.awt.event.*;
//消費(fèi)者系統(tǒng)界面
public?class?AddCardMoney?extends?Jframe
{
????JButton?but1but3;
????JTextField?tf1tf2tf3;
????JPanel?pan;
????JLabel?lab1lab2lab3lab4;
????public?AddCardMoney()
????{
????????this.setContentPane(new?MyPanel());
????????settitle(“充值系統(tǒng)“);
????????setBounds(200200600400);
????????setLayout(null);
????????setResizable(false);
????????setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
????????but1=new?JButton(“充值“);
????????but3=new?JButton(“退出“);
????????tf1=new?JTextField(10);
????????tf2=new?JTextField(10);
????????tf3=new?JTextField(10);
????????tf3.setEditable(false);
????????lab1=new?JLabel(“學(xué)號(hào)“);
????????lab2=new?JLabel(“金額“);
????????lab3=new?JLabel(“余額:“);
????????lab4=new?JLabel(“感應(yīng)區(qū)---->“);
????????pan=new?JPanel();
????????pan.setBounds(10070300200);
????????pan.setLayout(null);
????????lab1.setBounds(150106020);
????????lab2.setBounds(250106020);
????????lab3.setBounds(40206020);
????????lab4.setBounds(10909025);
????????tf1.setBounds(150408020);
????????tf2.setBounds(250408020);
????????tf3.setBounds(160208020);
????????but1.setBounds(120906025);
????????but3.setBounds(4302506025);
????????add(lab1);
????????add(tf1);
????????add(lab2);
????????add(tf2);
????????add(but1);
????????add(lab4);
????????pan.add(lab3);
????????pan.add(tf3);
????????pan.add(but1);
????????add(but3);
????????add(pan);
????????but1.addActionListener(new?ActionListener(){
??????????public?void?actionPerformed(ActionEvent?e)
??????????{
????????????Toolkit.getDefaultToolkit().beep();
????????????String?s1=tf1.getText();
????????????String?s2=tf2.getText();
????????????DBConnection?db=new?DBConnection()?;
????????????Connection?con=db.getConnection()?;
????????????ResultSet?rs=db.Chaxun(cons1);
????????????try
????????????{
??????????????while(rs.next())
????????????????{
????????????????String?s3=rs.getString(“狀態(tài)“);
????????????????String?s4=rs.getString(“余額“);
????????????????if(s3.equals(“禁用“))
????????????????{
??????????????????JOptionPane.showMessageDialog(null“該飯卡已掛失不能使用!“);
??????????????????tf1.setText(““);
??????????????????tf2.setText(““);
????????????????}
????????????????if(s3.equals(“正常“))
????????????????{
?????????????????if?(tf2.getText().equals(““))?{?
?????????????????JOptionPane.showMessageDialog(null?“金額不能為空!“);?
?????????????????}?
?????????????????else?{
?????????????????db.Update(cons1(Float.parseFloat(s4)+Float.parseFloat(s2)));
?????????????????db.ExInfo(cons1s2“充值“);
?????????????????tf3.setText(““+(Float.parseFloat(s4)+Float.parseFloat(s2)));??
?????????????????tf1.setText(““);
?????????????????tf2.setText(““);??
????????????????}
????????????????
??????????????}?
????????????}
????????????}
????????????catch?(SQLException?ex)?{
????????????System.out.println(“?Display?Error?“);
????????????ex.printStackTrace()
?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????文件?????320559??2009-05-22?18:58??飯卡管理\000.JPG
?????文件????1969536??2009-05-21?18:25??飯卡管理\000.psd
?????文件??????50123??2009-05-07?19:19??飯卡管理\0001.jpg
?????文件??????50123??2009-05-22?18:58??飯卡管理\001.jpg
?????文件????2908666??2009-05-20?20:27??飯卡管理\001.psd
?????文件??????39726??2007-06-10?17:09??飯卡管理\002-1.jpg
?????文件??????39726??2009-05-22?18:58??飯卡管理\002.jpg
?????文件????2880873??2009-05-20?20:52??飯卡管理\002.psd
?????文件?????471688??2009-05-21?18:26??飯卡管理\003?副本副本.psd
?????文件?????213706??2009-05-07?19:24??飯卡管理\003-3.jpg
?????文件??????62944??2009-07-17?10:19??飯卡管理\003.gif
?????文件?????256260??2009-05-22?18:58??飯卡管理\003.jpg
?????文件?????213509??2009-05-07?19:55??飯卡管理\004-4.jpg
?????文件??????48309??2009-05-22?18:58??飯卡管理\004.jpg
?????文件???????2431??2009-05-22?19:59??飯卡管理\AddCardMoney$1.class
?????文件????????508??2009-05-22?19:59??飯卡管理\AddCardMoney$2.class
?????文件????????468??2009-05-22?19:59??飯卡管理\AddCardMoney$MyAction.class
?????文件????????900??2009-05-22?19:59??飯卡管理\AddCardMoney$MyPanel.class
?????文件???????2245??2009-05-22?19:59??飯卡管理\AddCardMoney.class
?????文件???????3856??2009-05-22?18:59??飯卡管理\AddCardMoney.java
?????文件???????1933??2009-05-22?19:59??飯卡管理\Administrators$1.class
?????文件????????523??2009-05-22?19:59??飯卡管理\Administrators$10.class
?????文件???????1634??2009-05-22?19:59??飯卡管理\Administrators$11.class
?????文件????????985??2009-05-22?19:59??飯卡管理\Administrators$2.class
?????文件???????1818??2009-05-22?19:59??飯卡管理\Administrators$3.class
?????文件???????1818??2009-05-22?19:59??飯卡管理\Administrators$4.class
?????文件????????523??2009-05-22?19:59??飯卡管理\Administrators$5.class
?????文件????????527??2009-05-22?19:59??飯卡管理\Administrators$6.class
?????文件???????2450??2009-05-22?19:59??飯卡管理\Administrators$7.class
?????文件????????883??2009-05-22?19:59??飯卡管理\Administrators$8.class
............此處省略231個(gè)文件信息
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