JAVA报告完整.doc

JAVA语言课程设计 设计题目：学生信息管理系统院（系） 计算机科学与技术学院 专业名称 信息与计算科学 学生姓名 学生学号 指导教师 李玉红 同组姓名 2012年 3 月 18 日一、 课程设计目的1、 复习、巩固Java语言的基础知识，进一步加深对Java语言的理解和掌握；2、课程设计为学生提供了一个既动手又动脑，独立实践的机会，将课本上的理论知识和实际有机的结合起来，锻炼学生的分析解决实际问题的能力。提高学生适应实际，实践编程的能力；3、培养学生在项目开发中团队合作精神、创新意识及能力。二、课程设计的基本要求1、明确题目要求，进行需求分析；2、进行功能设计，编写设计说明；3、进行程序设计与调试；4、对设计过程进行系统的总结；5、界面美观大方；6、完成设计报告三、课程设计的主要内容利用学到的编程知识和编程技巧，通过具体项目的分析、设计和开发，掌握开发Java软件项目开发过程中所需要的软件技术并熟悉软件。以小组为单位，每组1至3名学生，设组长一名，负责该组设计工作的协调、分工等。每组完成二个题目(分别在两个部分中各选一题)。题目可由下面提供的选题中选择或学生自选经教师审核后方可。该组每个同学承担题目的不同部分，每位同学的课程设计报告必需独立完成。四、具体内容 计算器模拟程序功能要求： 该程序显示GUI用户界面，能实现整数的加、减、乘、除四则运算。 （一）、程序主要页面（二）java源代码import java.awt.*;import java.awt.event.*;import javax.swing.*;public class testZ extends JFrame implements ActionListener private JPanel jPanel1,jPanel2; private JTextField resultField; private JButton s1,s2,s3,s4,s5,s6,s7,s8,s9,s0,b1,b2,b3,b4,f1,f2; private boolean end,add,sub,mul,div; private String str; private double num1,num2; public testZ() super(计算器); setSize(300,240); Container con=getContentPane(); con.setLayout(new BorderLayout(); jPanel1=new JPanel(); jPanel1.setLayout(new GridLayout(1,1); jPanel2=new JPanel(); jPanel2.setLayout(new GridLayout(4,4); resultField=new JTextField(0); jPanel1.add(resultField); con.add(jPanel1,BorderLayout.NORTH); s1=new JButton( 1 ); s1.addActionListener(this); s2=new JButton( 2 ); s2.addActionListener(this); s3=new JButton( 3 ); s3.addActionListener(this); s4=new JButton( 4 ); s4.addActionListener(this); s5=new JButton( 5 ); s5.addActionListener(this); s6=new JButton( 6 ); s6.addActionListener(this); s7=new JButton( 7 ); s7.addActionListener(this); s8=new JButton( 8 ); s8.addActionListener(this); s9=new JButton( 9 ); s9.addActionListener(this); s0=new JButton( 0 ); s0.addActionListener(this); b1=new JButton( + ); b1.addActionListener(this); b2=new JButton( - ); b2.addActionListener(this); b3=new JButton( * ); b3.addActionListener(this); b4=new JButton( / ); b4.addActionListener(this); f1=new JButton( . ); f1.addActionListener(this); f2=new JButton( = ); f2.addActionListener(this); jPanel2.add(s1); jPanel2.add(s2); jPanel2.add(s3); jPanel2.add(b1); jPanel2.add(s4); jPanel2.add(s5); jPanel2.add(s6); jPanel2.add(b2); jPanel2.add(s7); jPanel2.add(s8); jPanel2.add(s9); jPanel2.add(b3); jPanel2.add(s0); jPanel2.add(f1); jPanel2.add(f2); jPanel2.add(b4); con.add(jPanel2,BorderLayout.CENTER); public void num(int i) String s = null; s=String.valueOf(i); if(end) /如果数字输入结束，则将文本框置零，重新输入 resultField.setText(0); end=false; if(resultField.getText().equals(0) /如果文本框的内容为零，则覆盖文本框的内容 resultField.setText(s); else /如果文本框的内容不为零，则在内容后面添加数字 str = resultField.getText() + s; resultField.setText(str); public void actionPerformed(ActionEvent e) /数字事件 if(e.getSource()=s1) num(1); else if(e.getSource()=s2) num(2); else if(e.getSource()=s3) num(3); else if(e.getSource()=s4) num(4); else if(e.getSource()=s5) num(5); else if(e.getSource()=s6) num(6); else if(e.getSource()=s7) num(7); else if(e.getSource()=s8) num(8); else if(e.getSource()=s9) num(9); else if(e.getSource()=s0) num(0); /符号事件 else if(e.getSource()=b1) sign(1); else if(e.getSource()=b2) sign(2); else if(e.getSource()=b3) sign(3); else if(e.getSource()=b4) sign(4); /等号 else if(e.getSource()=f1) str=resultField.getText(); if(str.indexOf(.)=1) str+=.; resultField.setText(str); else if(e.getSource()=f2) num2=Double.parseDouble(resultField.getText(); if(add) num1=num1 + num2; else if(sub) num1=num1 - num2; else if(mul) num1=num1 * num2; else if(div) num1=num1 / num2; resultField.setText(String.valueOf(num1); end=true; public void sign(int s) if(s=1) add=true; sub=false; mul=false; div=false; else if(s=2) add=false; sub=true; mul=false; div=false; else if(s=3) add=false; sub=false; mul=true; div=false; else if(s=4) add=false; sub=false; mul=false; div=true; num1=Double.parseDouble(resultField.getText(); end=true; public static void main(String args) testZ th1=new testZ(); th1.show(); 第二部分 图书管理系统要求：使用图形用户界面用数据库建立1或2个图书信息表。（不限使用哪种数据库）能连接数据库并实现查询、增、删、改等功能。 1、登录主页面2、 增加学生页面 3、修改学生页面 2 java源代码 1 登录代码package com.student;import java.awt.Color;import javax.swing.JOptionPane;/* * * author dell */public class Login extends javax.swing.JFrame /* * Creates new form Login */ public Login() initComponents(); this.getContentPane().setBackground(Color.pink); /* * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ SuppressWarnings(unchecked) / private void initComponents() jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); jLabel2 = new javax.swing.JLabel(); jTextField1 = new javax.swing.JTextField(); jPasswordField1 = new javax.swing.JPasswordField(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jButton1.setText(登录); jButton1.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) jButton1ActionPerformed(evt); ); jButton2.setText(取消); jButton2.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) jButton2ActionPerformed(evt); ); jLabel1.setText(用户名：); jLabel2.setText(密码：); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane(); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addGroup(layout.createSequentialGroup() .addGap(43, 43, 43) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addGroup(layout.createSequentialGroup() .addComponent(jLabel1) .addGap(18, 18, 18) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 122, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(layout.createSequentialGroup() .addComponent(jLabel2) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, 118, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(layout.createSequentialGroup() .addGap(59, 59, 59) .addComponent(jButton1) .addGap(34, 34, 34) .addComponent(jButton2) .addContainerGap(169, Short.MAX_VALUE) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addGap(61, 61, 61) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel1) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(32, 32, 32) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2) .addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 37, Short.MAX_VALUE) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButton1) .addComponent(jButton2) .addGap(60, 60, 60) ); pack(); / private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) / TODO add your handling code here: String username=jTextField1.getText().trim(); String pass=jPasswordField1.getText(); if(.equals(username) JOptionPane.showMessageDialog(this, username is not null!); return; new MainJFrame(); this.dispose(); private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) / TODO add your handling code here: this.dispose(); /qu xiao /* * param args the command line arguments */ public static void main(String args) /* * Set the Nimbus look and feel */ / /* * If Nimbus (introduced in Java SE 6) is not available, stay with the * default look and feel. For details see * /javase/tutorial/uiswing/lookandfeel/plaf.html */ try for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels() if (Nimbus.equals(info.getName() javax.swing.UIManager.setLookAndFeel(info.getClassName(); break; catch (ClassNotFoundException ex) java.util.logging.Logger.getLogger(Login.class.getName().log(java.util.logging.Level.SEVERE, null, ex); catch (InstantiationException ex) java.util.logging.Logger.getLogger(Login.class.getName().log(java.util.logging.Level.SEVERE, null, ex); catch (IllegalAccessException ex) java.util.logging.Logger.getLogger(Login.class.getName().log(java.util.logging.Level.SEVERE, null, ex); catch (javax.swing.UnsupportedLookAndFeelException ex) java.util.logging.Logger.getLogger(Login.class.getName().log(java.util.logging.Level.SEVERE, null, ex); / /* * Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() public void run() new Login().setVisible(true); ); / Variables declaration - do not modify private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JPasswordField jPasswordField1; private javax.swing.JTextField jTextField1; / End of variables declaration 2 . 主页面代码package com.student;import java.awt.CardLayout; /import:调用包中的类;awt:建立和设置图形用户界面import java.awt.Color; /color:颜色配置import java.awt.FlowLayout; /flowlayout:指定布局的对齐属性import java.awt.GridLayout; /gridlayout:在网格中徘布控件import java.awt.Toolkit; /toolkit:用于将各种组件绑定到特定本机工具包实现import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.util.Vector;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.JTextField;import javax.swing.table.AbstractTableModel;import javax.swing.JDialog;import java.awt.Frame;/主窗体类public class MainJFrame extends JFrame implements ActionListener /* * param args the command line arguments */定义增删改查的按钮 JButton btn1,btn2,btn3,btn4; JButton jbtn1,jbtn2; /定义面板 JPanel jp1,jp2; /定义增加窗体 JFrame jf=null; /定义增加窗体内部的三个文本域 JTextField jtf1,jtf2,jtf3; /定义主窗体上表 JTable jt=null; /定义滚动条面板 JScrollPane jsp=null; /定义主窗体查询文本域 JTextField jtf=null;/定义与数据库操作的相关对象Connection ct=null;PreparedStatement ps=null;ResultSet rs=null;/主窗体构造函数public MainJFrame()jtf=new JTextField(12);jp2=new JPanel(new FlowLayout();btn1=new JButton(查询);btn2=new JButton(增加);btn3=new JButton(修改);btn4=new JButton(删除);btn2.setBackground(Color.GRAY);btn3.setBackground(Color.GRAY);btn4.setBackground(Color.GRAY);btn1.setBackground(Color.GRAY);btn1.addActionListener(this);btn2.addActionListener(this);btn3.addActionListener(this);btn4.addActionListener(this);int x=Toolkit.getDefaultToolkit().getScreenSize().width;int y=Toolkit.getDefaultToolkit().getScreenSize().height;jp1=new JPanel(new FlowLayout();jp2.add(jtf);jp2.add(btn1);jp2.setBackground(Color.GRAY);jp1.add(btn2);jp1.add(btn3);jp1.add(btn4);jp1.setBackground(Color.LIGHT_GRAY);MyTableModel mt=new MyTableModel(); jt=new JTable(mt);jsp=new JScrollPane(jt);this.add(jsp,Center);this.add(jp1,South);this.add(jp2,North);this.setSize(600,400);this.setLocation(x/2-350,y/2-250);this.setTitle(图书管理系统);this.setResizable(false);this.setVisible(true); /主窗体函数入口 public static void main(String args) / TODO code application logic here MainJFrame m= new MainJFrame(); /监听的实现（相应按钮事件） public void actionPerformed(ActionEvent e) /实现查询功能 if(e.getSource()=btn1) String str=jtf.getText().trim(); String strSQL=select * from book_info where ID=+str+; MyTableModel mt1=new MyTableModel(strSQL); jt.setModel(mt1); /实现修改功能 if(e.getSource()=btn3) int i= jt.getSelectedRow(); String str= (String)jt.getValueAt(i, 0); String str0=JOptionPane.showInputDialog(this, 输入你要修改的书号：, 图书馆管理系统, JOptionPane.CANCEL_OPTION); String str1=JOptionPane.showInputDialog(this, 输入你要修改的书名：, 图书馆管理系统, JOptionPane.CANCEL_OPTION); String str2=JOptionPane.showInputDialog(this, 输入你要修改的作者：, 图书馆管理系统, JOptionPane.CANCEL_OPTION); String strSQL=update book_info set id=+str0+,name=+str1+,author=+str2+ where id=+str+; String strSQL1=select * from book_info; MyTableModel mt1=new MyTableModel(strSQL,strSQL1); jt.setModel(mt1); /实现删除功能 if(e.getSource()=btn4) int i= jt.getSelectedRow(); String str1= (String)jt.getValueAt(i, 0); String str=delete from book_info where id=+str1+; String strSQL1=select * from book_info; MyTableModel mt1=new MyTableModel(str,strSQL1); jt.setModel(mt1); System.out.println(str1); /实现增加功能 if(e.getSource()=btn2) jf=new JFrame(增加信息); JPanel jp4=new JPanel(new GridLayout(3,2); JPanel jp5=new JPanel(new FlowLayout(); JLabel jb1,jb2,jb3; jbtn1=new JButton(确定添加); jbtn2=new JButton(取消添加); jbtn1.addActionListener(this); jbtn2.addActionListener(this); jp5.add(jbtn1); jp5.add(jbtn2); jb1=new JLabel(书号：,JLabel.RIGHT); jb2=new JLabel(书名：,JLabel.RIGHT);