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目录一、系统介绍
该系统实现了管理员系统登陆、学生信息查询、学生信息添加、学生信息修改、学生信息删除。
二、功能展示
1.管理员登陆
2.学生信息查询
3.学生信息添加
4.学生信息修改
5.删除
三、系统实现
1.StudentFrame .java
package cn.student.view;
import java.awt.Dimension;
import java.awt.EventQueue;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumn;
import cn.student.dao.StudentDao;
import cn.student.model.Student;
import cn.student.view.MainPanel;
public class StudentFrame extends JFrame
{
// 定义布局
BorderLayout mainLayout = new BorderLayout();
CardLayout layout = new CardLayout();
JFrame bamFrame;
MainPanel mainPanel = new MainPanel();// 主面板
JPanel upPanel = new JPanel();// 主面板中的---上面板
JPanel downPanel = new JPanel();// 主面板中的---下面板
StudentDao studentdao = new StudentDao();
AddStudentPanel addStudentPanel = new AddStudentPanel();//添加课程页面
UpdateStudentPanel updateStudentPanel = new UpdateStudentPanel();//添加课程页面
final Object[] columnNames = {"学号", "姓名", "性别","学院", "专业", "生日","籍贯", "电话", "邮箱"}; //列名最好用final修饰
Object[][] rowData = queryData("");;
DefaultTableModel model = new DefaultTableModel(rowData,columnNames);
JTable dataTable = new JTable (model);
JScrollPane pane1;
JScrollPane pane2;
JScrollPane pane3;
public StudentFrame() {
downPanel.setLayout(layout);
//dataTable.setPreferredScrollableViewportSize(new Dimension(650, 100));//设置表格的大小
dataTable.setRowHeight (30);//设置每行的高度为20
dataTable.setRowHeight (0, 20);//设置第1行的高度为15
dataTable.setRowMargin (5);//设置相邻两行单元格的距离
dataTable.setSelectionBackground (Color.white);//设置所选择行的背景色
dataTable.setSelectionForeground (Color.blue);//设置所选择行的前景色
//friends.setGridColor (Color.black);//设置网格线的颜色
dataTable.selectAll ();//选择所有行
//dataTable.setRowSelectionInterval (1,2);//设置初始的选择行,这里是1到3行都处于选择状态
dataTable.clearSelection ();//取消选择
dataTable.setDragEnabled (false);//不懂这个
dataTable.setShowGrid (false);//是否显示网格线
dataTable.setShowHorizontalLines (false);//是否显示水平的网格线
dataTable.setShowVerticalLines (true);//是否显示垂直的网格线
//friends.setValueAt ("tt", 0, 0);//设置某个单元格的值,这个值是一个对象
dataTable.doLayout ();
dataTable.setBackground (Color.lightGray);
// 设置表格中的数据居中显示
DefaultTableCellRenderer r=new DefaultTableCellRenderer();
r.setHorizontalAlignment(JLabel.CENTER);
dataTable.setDefaultRenderer(Object.class,r);
pane1 = new JScrollPane (addStudentPanel);//JTable最好加在JScrollPane上
pane1.setPreferredSize(new Dimension (900,500));
pane2 = new JScrollPane (updateStudentPanel);//JTable最好加在JScrollPane上
pane2.setPreferredSize(new Dimension (900,500));
//JScrollPane pane2 = new JScrollPane (example2);
pane3 = new JScrollPane (dataTable);
pane3.setPreferredSize(new Dimension (900,500));
downPanel.add("cardSelect", pane3);// 卡片一 (查询)
downPanel.add("cardUpdate", pane2);// 卡片一 (修改)
downPanel.add("cardAdd", pane1);// 卡片一 (添加)
upPanel.add(mainPanel);
//downPanel.add(addCoursePanel);
//downPanel.add(pane1);
// 定义主窗体
bamFrame = new JFrame("学生信息管理系统");
bamFrame.setLayout(mainLayout);
bamFrame.setSize(1050, 600);// 设定窗体大小
// 给窗体加面板
bamFrame.add(upPanel, BorderLayout.NORTH);
bamFrame.add(downPanel, BorderLayout.SOUTH);
addListeners();// 调用监听方法
bamFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//bamFrame.pack();
bamFrame.setVisible(true);
//设置窗口居中
bamFrame.setLocationRelativeTo(null);
}
// 窗体中部分对象监听方法
private void addListeners() {
// 查询按钮
mainPanel.getSelectButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String cname = mainPanel.getsnoField().getText();
System.out.print(cname);
Object[][] rowData2 = queryData(cname);
model.setDataVector(rowData2, columnNames);
layout.show(downPanel, "cardSelect");
}
});
// 添加按钮
mainPanel.getAddButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
layout.show(downPanel, "cardAdd");
}
});
// 添加按钮
mainPanel.getUpdateButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int i = dataTable.getSelectedRow();
if(i>=0) {
String sno = (String) dataTable.getValueAt(i, 0);
String name = (String) dataTable.getValueAt(i, 1);
String sex = (String) dataTable.getValueAt(i, 2);
String school = (String) dataTable.getValueAt(i, 3);
String professional = (String) dataTable.getValueAt(i, 4);
String birthday = (String) dataTable.getValueAt(i, 5);
String address = (String) dataTable.getValueAt(i, 6);
String tel = (String) dataTable.getValueAt(i, 7);
String email = (String) dataTable.getValueAt(i, 8);
updateStudentPanel.getSnoText().setText(sno);
updateStudentPanel.getNameText().setText(name);
updateStudentPanel.getSexText().setText(sex);
updateStudentPanel.getSchoolText().setText(school);
updateStudentPanel.getProfessionalText().setText(professional);
updateStudentPanel.getBirthdayText().setText(birthday);
updateStudentPanel.getAddressText().setText(address);
updateStudentPanel.getTelText().setText(tel);
updateStudentPanel.getEmailText().setText(email);
layout.show(downPanel, "cardUpdate");
}else {
JOptionPane.showMessageDialog(downPanel, "请选择要修改的学生信息！");
return;
}
}
});
// 点击《提交》按钮
addStudentPanel.getOkButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String sno = addStudentPanel.getSnoText().getText();
String name = addStudentPanel.getNameText().getText();
String sex = addStudentPanel.getSexText().getText();
String school = addStudentPanel.getSchoolText().getText();
String professional = addStudentPanel.getProfessionalText().getText();
String birthday = addStudentPanel.getBirthdayText().getText();
String address = addStudentPanel.getAddressText().getText();
String tel = addStudentPanel.getTelText().getText();
String email = addStudentPanel.getEmailText().getText();
int i = studentdao.addStudent(sno, name, sex, school, professional, birthday, address, tel, email);
if(i>0) {
JOptionPane.showMessageDialog(downPanel, "学生信息添加成功！");
addStudentPanel.getSnoText().setText("");
addStudentPanel.getNameText().setText("");
addStudentPanel.getSexText().setText("");
addStudentPanel.getSchoolText().setText("");
addStudentPanel.getProfessionalText().setText("");
addStudentPanel.getBirthdayText().setText("");
addStudentPanel.getAddressText().setText("");
addStudentPanel.getTelText().setText("");
addStudentPanel.getEmailText().setText("");
}else{
JOptionPane.showMessageDialog(downPanel, "学生信息添加失败！");
}
}
});
// 点击《返回》按钮
addStudentPanel.getBackButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
Object[][] rowData2 = queryData("");
model.setDataVector(rowData2, columnNames);
layout.show(downPanel, "cardSelect");
}
});
// 点击《提交》按钮
updateStudentPanel.getOkButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String sno = updateStudentPanel.getSnoText().getText();
String name = updateStudentPanel.getNameText().getText();
String sex = updateStudentPanel.getSexText().getText();
String school = updateStudentPanel.getSchoolText().getText();
String professional = updateStudentPanel.getProfessionalText().getText();
String birthday = updateStudentPanel.getBirthdayText().getText();
String address = updateStudentPanel.getAddressText().getText();
String tel = updateStudentPanel.getTelText().getText();
String email = updateStudentPanel.getEmailText().getText();
int i = studentdao.updateStudent(sno, name, sex, school, professional, birthday, address, tel, email);
if(i>0) {
JOptionPane.showMessageDialog(downPanel, "学生信息添加成功！");
Object[][] rowData2 = queryData("");
model.setDataVector(rowData2, columnNames);
layout.show(downPanel, "cardSelect");
}else{
JOptionPane.showMessageDialog(downPanel, "学生信息添加失败！");
}
}
});
// 点击《返回》按钮
updateStudentPanel.getBackButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
Object[][] rowData2 = queryData("");
model.setDataVector(rowData2, columnNames);
layout.show(downPanel, "cardSelect");
}
});
// 点击《删除》按钮
mainPanel.getDelButton().addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int i = dataTable.getSelectedRow();
if(i>=0) {
String sno = (String) dataTable.getValueAt(i, 0);
int j=studentdao.DelStudent(sno);;
if(j>0) {
JOptionPane.showMessageDialog(downPanel, "删除成功!");
Object[][] rowData2 = queryData("");
model.setDataVector(rowData2, columnNames);
}else {
JOptionPane.showMessageDialog(downPanel, "删除失败!");
Object[][] rowData2 = queryData("");
model.setDataVector(rowData2, columnNames);
}
}else {
JOptionPane.showMessageDialog(downPanel, "请选择要删除的信息!");
}
}
});
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
StudentFrame frame = new StudentFrame();
//frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
//生成表格数据
/**
* @return
*/
public Object[][] queryData(String sno){
List<Student> list=studentdao.queryStudent(sno);
rowData=new Object[list.size()][columnNames.length];
for(int i=0;i<list.size();i++){
for(int j=0;j<rowData.length;j++){
rowData[i][0]=list.get(i).getSno();
rowData[i][1]=list.get(i).getName();
rowData[i][2]=list.get(i).getSex();
rowData[i][3]=list.get(i).getSchool();
rowData[i][4]=list.get(i).getProfessional();
rowData[i][5]=list.get(i).getBirthday();
rowData[i][6]=list.get(i).getAddress();
rowData[i][7]=list.get(i).getTel();
rowData[i][8]=list.get(i).getEmail();
}
}
return rowData;
}
}
四、获取源码
请联系QQ：2080866767
标签：downPanel,Java,String,import,Swing,new,信息管理系统,dataTable,addStudentPanel From： https://www.cnblogs.com/Timi2019/p/16982293.html