一个基于javase的学生管理系统

package com.ui; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; 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 com.domain.Student; // TODO: Auto-generated Javadoc public class ManagerMainWindow extends JFrame implements ActionListener { public static void main(String[] args) { ManagerMainWindow mmw = new ManagerMainWindow(); } public ManagerMainWindow() { init(); this.setActionCommand(); this.setTitle("学生信息管理系统"); this.setSize(580, 400); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } /** * 初始化窗体 */ private void init() { // 创建组件 this.lbId = new JLabel("待查学生编号"); this.butInsert = new JButton("增加"); this.butDelete = new JButton("删除"); this.butUpdate = new JButton("修改"); this.butSelect = new JButton("查询"); this.butShowAll = new JButton("显示所有"); this.loginout = new JButton("退出"); this.tfId = new JTextField(10); this.jpNorth = new JPanel(); this.jpSouth = new JPanel(); this.stm = new StudentTableModel(); stm.showAllData(); this.jt = new JTable(stm); this.jsp = new JScrollPane(jt); // 将组件添加到面板 jpNorth.add(lbId); jpSouth.add(tfId); jpSouth.add(butSelect); jpSouth.add(butInsert); jpSouth.add(butDelete); jpSouth.add(butUpdate); jpSouth.add(butShowAll); jpSouth.add(loginout); // 将面板添加到窗体 this.add(jpNorth, BorderLayout.NORTH); this.add(jsp, BorderLayout.CENTER); this.add(jpSouth, BorderLayout.SOUTH); } private void setActionCommand() { this.butInsert.addActionListener(this); this.butDelete.addActionListener(this); this.butUpdate.addActionListener(this); this.butSelect.addActionListener(this); this.butShowAll.addActionListener(this); this.loginout.addActionListener(this); this.butInsert.setActionCommand("insert"); this.butDelete.setActionCommand("delete"); this.butUpdate.setActionCommand("update"); this.butSelect.setActionCommand("select"); this.butShowAll.setActionCommand("show"); this.loginout.setActionCommand("loginout"); } // 事件处理 @Override public void actionPerformed(ActionEvent e) { // 如果用户点击添加 if (e.getActionCommand().equals("insert")) { // System.out.println("insert"); // 弹出添加对话框，并得到添加对话框中输入的值 Student stu = new StudentInsertDialog(this, "添加学生信息", true).getStu(); // 如果没有点取消 if (null != stu) { StudentTableModel stutm = new StudentTableModel();// 生成新的model stutm.insertStu(stu);// 执行插入 jt.setModel(stutm);// 更新表格model } } // 如果点击删除 else if (e.getActionCommand().equals("delete")) { // System.out.println("delete"); // 得到用户选择的行的行号 int delIndex = jt.getSelectedRow(); // 如果没有选择任何行，则提醒选择一行 if (-1 == delIndex) { JOptionPane.showMessageDialog(this, "请选择一行之后，再进行删除操作", "警告", JOptionPane.WARNING_MESSAGE); } if (-1 != delIndex) { String idStr = (String) stm.getValueAt(delIndex, 0); int id = Integer.valueOf(idStr).intValue(); // System.out.println(xuehao); StudentTableModel stuTm = new StudentTableModel();// 生成新的model stuTm.deleteStu(id);// 执行删除 jt.setModel(stuTm);// 更新表格model } } // 如果用户选择更新 else if (e.getActionCommand().equals("update")) { // System.out.println("update"); // 得到用户选择的行的行号 int updataRowIndex = this.jt.getSelectedRow(); // 如果没有选择任何行，则提醒选择一行 if (-1 == updataRowIndex) { JOptionPane.showMessageDialog(this, "请选择一行之后，再进行修改操作", "警告", JOptionPane.WARNING_MESSAGE); } if (-1 != updataRowIndex) { Student stu = new Student(); stu.setXuehao(Integer.valueOf((String) stm.getValueAt(updataRowIndex, 0)).intValue()); stu.setName((String) stm.getValueAt(updataRowIndex, 1)); stu.setPassword((String) stm.getValueAt(updataRowIndex, 2)); stu.setAge(Integer.valueOf((String) stm.getValueAt(updataRowIndex, 3)).intValue()); stu.setSex((String) stm.getValueAt(updataRowIndex, 4)); Student stu2 = new StudentUpdateDialog(this, "修改学生信息", true, stu).getStu(); // 如果修改了学生信息，则更新 if (null != stu2) { StudentTableModel stutm = new StudentTableModel(); stutm.updateStu(stu2);// 执行更新 jt.setModel(stutm);// 更新表格model // System..out.println(stu.toString()); } } } // 如果选择查询 else if (e.getActionCommand().equals("select")) { // System.out.println("select"); // 得到输入的学生编号 int id = Integer.valueOf(tfId.getText()).intValue(); StudentTableModel stutm = new StudentTableModel();// 生成新 model try{ String name = stutm.selectStuXuehao(id).getName();// 执行查询 }catch(Exception a){ JOptionPane.showMessageDialog(this, "没有此学生", "警告", JOptionPane.WARNING_MESSAGE); stutm.showAllData(); jt.setModel(stutm); } jt.setModel(stutm);// 更新表格model } // 如果选择显示所有 else if (e.getActionCommand().equals("show")) { // System.out.println("show"); StudentTableModel stutm = new StudentTableModel();// 生成新的model stutm.showAllData();// 执行显示所有 jt.setModel(stutm);// 更新表格model } // 如果选择退出 else if (e.getActionCommand().equals("loginout")) { Login login = new Login(); ManagerMainWindow.this.dispose(); } } //输入编号标签/ private JLabel lbId; //接收编号的输入框 private JTextField tfId; //插入按钮 private JButton butInsert; //删除按钮 private JButton butDelete; //更新按钮 private JButton butUpdate; //查询按钮 private JButton butSelect; //显示所有按钮 private JButton butShowAll; //退出 private JButton loginout; //滚动窗格 private JScrollPane jsp; //表格 private JTable jt; //用于初始化表格的model private StudentTableModel stm; //北部paenl private JPanel jpNorth; // 南部paenl private JPanel jpSouth; }