Student management system（学生信息管理系统）
容寒
dao包
StudentInformationDao.java
package dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import model.StudentInformation;
import util.StringUtil;
/**
* @author TongShuHao
* @date 2020年12月15日
* @version 1.0
* Description: 对学生信息进行增、删、改、查
*/
public class StudentInformationDao {
/**
* 学生添加
*/
public int add(Connection con,StudentInformation studentInformation)throws Exception{
String sql="insert into stu_information values(?,?,?,?,?,?)";//学生添加sql语句
PreparedStatement pstmt=con.prepareStatement(sql);
pstmt.setString(1, studentInformation.getSno());
pstmt.setString(2, studentInformation.getSname());
pstmt.setString(3, studentInformation.getSsex());
pstmt.setString(4, studentInformation.getSsite());
pstmt.setString(5, studentInformation.getSphone());
pstmt.setString(6, studentInformation.getSmajor());
return pstmt.executeUpdate();
}
/**
* 学生信息查询
*/
public ResultSet list(Connection con,StudentInformation studentInformation)throws Exception{
StringBuffer sb=new StringBuffer("select * from stu_information");
if (StringUtil.isNotEmpty(studentInformation.getSno())) {
sb.append(" and Sno like '%"+studentInformation.getSno()+"%'");
}
PreparedStatement pstmt=con.prepareStatement(sb.toString().replaceFirst("and", "where"));
return pstmt.executeQuery();
}
/**
* 学生信息删除
*/
public int delete(Connection con,String Sno)throws Exception{
String sql="delete from stu_information where Sno=?";//学生信息删除语句
PreparedStatement pstmt=con.prepareStatement(sql);
pstmt.setString(1, Sno);
return pstmt.executeUpdate();
}
/**
* 学生信息修改
*/
public int update(Connection con,StudentInformation studentInformation)throws Exception{
String sql="update stu_information set Sname=?,Ssex=?,Ssite=?,Sphone=?,Smajor=? where Sno=?";//学生信息修改
PreparedStatement pstmt=con.prepareStatement(sql);
pstmt.setString(1, studentInformation.getSname());
pstmt.setString(2, studentInformation.getSsex());
pstmt.setString(3, studentInformation.getSsite());
pstmt.setString(4, studentInformation.getSphone());
pstmt.setString(5, studentInformation.getSmajor());
pstmt.setString(6, studentInformation.getSno());
return pstmt.executeUpdate();
}
}
UserDao.java
package dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import model.User;
/**
* @author TongShuHao
* @date 2020年12月14日
* @version 1.0
* Description: 用户访问数据库
*/
public class UserDao {
//登陆验证
public User login(Connection con,User user)throws Exception {
User resulUser=null;
String sql="select * from stu_user where username=? and password=?";//查找数据库接口
PreparedStatement pstmt=con.prepareStatement(sql);
pstmt.setString(1, user.getUserName());
pstmt.setString(2, user.getPassWord());
ResultSet rs=pstmt.executeQuery();
if (rs.next()) {
resulUser=new User();
resulUser.setId(rs.getInt("id"));
resulUser.setUserName(rs.getString("userName"));
resulUser.setPassWord("passWord");
}
return resulUser;
}
}
model包
StudentInformation.java
package model;
/**
* @author TongShuHao
* @date 2020年12月15日
* @version 1.0
* Description:学生信息实体
*/
public class StudentInformation {
private String Sno;//学号
private String Sname;//姓名
private String Ssex;//性别
private String Ssite;//地址
private String Sphone;//电话
private String Smajor;//专业
public String getSno() {
return Sno;
}
public void setSno(String sno) {
Sno = sno;
}
public String getSname() {
return Sname;
}
public void setSname(String sname) {
Sname = sname;
}
public String getSsex() {
return Ssex;
}
public void setSsex(String ssex) {
Ssex = ssex;
}
public String getSsite() {
return Ssite;
}
public void setSsite(String ssite) {
Ssite = ssite;
}
public String getSphone() {
return Sphone;
}
public void setSphone(String sphone) {
Sphone = sphone;
}
public String getSmajor() {
return Smajor;
}
public void setSmajor(String smajor) {
Smajor = smajor;
}
public StudentInformation() {
super();
}
public StudentInformation(String Sno, String Sname, String Ssex, String Ssite, String Sphone, String Smajor) {
super();
this.Sno = Sno;
this.Sname = Sname;
this.Ssex = Ssex;
this.Ssite = Ssite;
this.Sphone = Sphone;
this.Smajor = Smajor;
}
}
User.java
package model;
/**
* @author TongShuHao
* @date 2020年12月14日
* @version 1.0
* Description: 用户的实体：用户名和密码
*/
public class User {
private int id;//编号
private String userName;//用户名
private String passWord;//密码
private int is_admin;//是否管理员
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassWord() {
return passWord;
}
public void setPassWord(String passWord) {
this.passWord = passWord;
}
public int getIs_admin() {
return is_admin;
}
public void setIs_admin(int is_admin) {
this.is_admin = is_admin;
}
public User() {
super();
// TODO Auto-generated constructor stub
}
public User(String userName, String passWord) {
super();
this.userName = userName;
this.passWord = passWord;
}
}
util包
DBU.java
package util;
import java.sql.Connection;
import java.sql.DriverManager;
/**
* @author TongShuHao
* @date 2020年12月14日
* @version 1.0
* Description: 连接数据库
*/
public class DBU {
private String dbUrl="jdbc:mysql://localhost:3306/bigdata1901";//数据库的连接地址
private String dbUserName="root";//数据库用户名
private String dbPassWord="246810";//数据库密码
private String jdbcName="com.mysql.jdbc.Driver";//驱动名称
///数据库连接
public Connection getCon()throws Exception{
Class.forName(jdbcName);
Connection con=DriverManager.getConnection(dbUrl, dbUserName, dbPassWord);
return con;
}
///数据库关闭
public void closeCon(Connection con)throws Exception{
if(con!=null){
con.close();
}
}
///测试数据库是否连接
public static void main(String[] args) {
DBU dbu=new DBU();
try {
dbu.getCon();
System.out.println("数据库连接成功");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
StringUtil.java
package util;
/**
* @author TongShuHao
* @date 2020年12月14日
* @version 1.0
* Description: 处理字符串工具类
*/
public class StringUtil {
///判断是否为空
public static boolean isEmpty(String str) {
if (str==null||"".equals(str.trim())) {
return true;
}else{
return false;
}
}
///判断不是空，是不是多余？？？？？ 不多余！！！！！但是条件要写对
public static boolean isNotEmpty(String str) {
if ((str!=null)&&!"".equals(str.trim())) {
return true;
}else{
return false;
}
}
}
view包
LogOnFrm.java
package view;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import dao.UserDao;
import model.User;
import util.DBU;
import util.StringUtil;
import java.awt.Toolkit;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.awt.event.ActionEvent;
import javax.swing.JPasswordField;
/**
* @author TongShuHao
* @date 2020年12月14日
* @version 1.0
* Description:
*/
public class LogOnFrm extends JFrame {
private JPanel contentPane;
private JTextField userName;
private JPasswordField passWord;
private DBU dbu=new DBU();
private UserDao userDao=new UserDao();
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
LogOnFrm frame = new LogOnFrm();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public LogOnFrm() {
setIconImage(Toolkit.getDefaultToolkit().getImage(LogOnFrm.class.getResource("/img/Ltitle.jpg")));
setTitle("\u5927\u6570\u636E1901\u73ED\u5B66\u751F\u7BA1\u7406\u7CFB\u7EDF");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 600, 525);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
JLabel label = new JLabel("\u5C71\u897F\u519C\u4E1A\u5927\u5B66\u8F6F\u4EF6\u5B66\u9662");
label.setFont(new Font("华文新魏", Font.BOLD, 30));
JLabel label_1 = new JLabel("\u5927\u6570\u636E1901\u73ED\u5B66\u751F\u4FE1\u606F\u7BA1\u7406");
label_1.setFont(new Font("华文隶书", Font.PLAIN, 20));
JLabel label_2 = new JLabel("\u5B66\u53F7\uFF1A");
label_2.setFont(new Font("等线", Font.PLAIN, 15));
JLabel label_3 = new JLabel("\u5BC6\u7801\uFF1A");
label_3.setFont(new Font("等线", Font.PLAIN, 15));
userName = new JTextField();
userName.setColumns(10);
JButton loginBut = new JButton("\u767B\u9646");
loginBut.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
loginActionPerformed(e);
}
});
JButton resetBut = new JButton("\u91CD\u7F6E");
resetBut.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
resetActionPerformed(e);
}
});
JLabel label_4 = new JLabel("\u5236\u4F5C\u4EBA\uFF1A\u8F6F\u4EF6\u5B66\u9662\u5927\u6570\u636E1901\u73ED\u7AE5\u4E66\u6D69 \u8054\u7CFB\u7535\u8BDD\uFF1A18855428512");
passWord = new JPasswordField();
GroupLayout gl_contentPane = new GroupLayout(contentPane);
gl_contentPane.setHorizontalGroup(
gl_contentPane.createParallelGroup(Alignment.LEADING)
.addGroup(gl_contentPane.createSequentialGroup()
.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
.addGroup(gl_contentPane.createSequentialGroup()
.addGap(166)
.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
.addComponent(label_1)
.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING, false)
.addGroup(gl_contentPane.createSequentialGroup()
.addComponent(loginBut)
.addPreferredGap(ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(resetBut))
.addGroup(gl_contentPane.createSequentialGroup()
.addComponent(label_2)
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(userName))
.addGroup(gl_contentPane.createSequentialGroup()
.addComponent(label_3)
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(passWord, GroupLayout.PREFERRED_SIZE, 201, GroupLayout.PREFERRED_SIZE)))))
.addGroup(gl_contentPane.createSequentialGroup()
.addGap(126)
.addComponent(label))
.addGroup(gl_contentPane.createSequentialGroup()
.addGap(47)
.addComponent(label_4)))
.addContainerGap(65, Short.MAX_VALUE))
);
gl_contentPane.setVerticalGroup(
gl_contentPane.createParallelGroup(Alignment.LEADING)
.addGroup(gl_contentPane.createSequentialGroup()
.addGap(52)
.addComponent(label)
.addGap(47)
.addComponent(label_1)
.addGap(62)
.addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE)
.addComponent(label_2)
.addComponent(userName, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGap(31)
.addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE)
.addComponent(label_3)
.addComponent(passWord, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGap(59)
.addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE)
.addComponent(loginBut)
.addComponent(resetBut))
.addPreferredGap(ComponentPlacement.RELATED, 57, Short.MAX_VALUE)
.addComponent(label_4)
.addContainerGap())
);
contentPane.setLayout(gl_contentPane);
///设置窗口居中显示
this.setLocationRelativeTo(null);
}
///用户登陆
protected void loginActionPerformed(ActionEvent evt) {
// TODO Auto-generated method stub
String userName=this.userName.getText();
String passWord=new String(this.passWord.getPassword());
if (StringUtil.isEmpty(userName)) {
JOptionPane.showMessageDialog(null, "学号不能为空");
return;
}
if (StringUtil.isEmpty(passWord)) {
JOptionPane.showMessageDialog(null, "密码不能为空");
return;
}
User user=new User(userName,passWord);
Connection con=null;
try {
con=dbu.getCon();
User currenUser=userDao.login(con, user);
if (currenUser!=null) {
//JOptionPane.showMessageDialog(null, "登陆成功");
dispose();//销毁当前窗口
new MainFrm().setVisible(true);
}else{
JOptionPane.showMessageDialog(null, "学号或密码错误");
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
dbu.closeCon(con);///关闭数据库
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
///重置操作
private void resetActionPerformed(ActionEvent evt) {
// TODO Auto-generated method stub
this.userName.setText("");
this.passWord.setText("");
}
}
MainFrm.java
package view;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.Toolkit;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JDesktopPane;
import java.awt.Color;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import java.awt.TextField;
import java.awt.Font;
/**
* @author TongShuHao
* @date 2020年12月15日
* @version 1.0
* Description: 系统主界面
*/
public class MainFrm extends JFrame {
private JPanel contentPane;
private JDesktopPane tables=null;
private JDesktopPane table;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
MainFrm frame = new MainFrm();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public MainFrm() {
setTitle("\u5B66\u751F\u7BA1\u7406\u7CFB\u7EDF");
setIconImage(Toolkit.getDefaultToolkit().getImage(MainFrm.class.getResource("/img/Ltitle.jpg")));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 600, 525);
JMenuBar menuBar = new JMenuBar();
setJMenuBar(menuBar);
JMenu mnNewMenu = new JMenu("\u4FE1\u606F\u5F55\u5165");
menuBar.add(mnNewMenu);
JMenuItem menuItem = new JMenuItem("\u5F55\u5165");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
StudentInformationAddFrm studentInformationAddFrm = new StudentInformationAddFrm();
studentInformationAddFrm.setVisible(true);
table.add(studentInformationAddFrm);
}
});
mnNewMenu.add(menuItem);
JMenu menu = new JMenu("\u4FE1\u606F\u67E5\u8BE2");
menuBar.add(menu);
JMenuItem menuItem_1 = new JMenuItem("\u67E5\u8BE2");
menuItem_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
StudentInformationSelectFrm studentInformationSelectFrm = new StudentInformationSelectFrm();
studentInformationSelectFrm.setVisible(true);
table.add(studentInformationSelectFrm);
}
});
menu.add(menuItem_1);
JMenu menu_1 = new JMenu("\u4FE1\u606F\u66F4\u65B0");
menuBar.add(menu_1);
JMenuItem menuItem_3 = new JMenuItem("\u66F4\u65B0");
menuItem_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
StudentInformationAlterFrm studentInformationAlterFrm = new StudentInformationAlterFrm();
studentInformationAlterFrm.setVisible(true);
table.add(studentInformationAlterFrm);
}
});
menu_1.add(menuItem_3);
JMenu menu_2 = new JMenu("\u4FE1\u606F\u5220\u9664");
menuBar.add(menu_2);
JMenuItem menuItem_4 = new JMenuItem("\u5220\u9664");
menu_2.add(menuItem_4);
JMenu menu_3 = new JMenu("\u9000\u51FA\u7A0B\u5E8F");
menuBar.add(menu_3);
JMenuItem menuItem_2 = new JMenuItem("\u9000\u51FA\u5E94\u7528");
menuItem_2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int result=JOptionPane.showConfirmDialog(null, "是否退出程序？");
if (result==0) {
dispose();//关闭程序
}
}
});
menu_3.add(menuItem_2);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(new BorderLayout(0, 0));
table = new JDesktopPane();
table.setBackground(Color.LIGHT_GRAY);
contentPane.add(table, BorderLayout.CENTER);
TextField textField = new TextField();
textField.setEditable(false);
textField.setFont(new Font("Dialog", Font.BOLD, 40));
textField.setBackground(Color.LIGHT_GRAY);
textField.setText("\u5927\u6570\u636E1901\u7AE5\u4E66\u6D69");
TextField textField_1 = new TextField();
textField_1.setBackground(Color.LIGHT_GRAY);
textField_1.setFont(new Font("Dialog", Font.BOLD, 40));
textField_1.setEditable(false);
textField_1.setText("\u5B66\u751F\u4FE1\u606F\u7BA1\u7406\u7CFB\u7EDF");
GroupLayout gl_table = new GroupLayout(table);
gl_table.setHorizontalGroup(
gl_table.createParallelGroup(Alignment.LEADING)
.addGroup(gl_table.createSequentialGroup()
.addGap(119)
.addComponent(textField, GroupLayout.PREFERRED_SIZE, 341, GroupLayout.PREFERRED_SIZE))
.addGroup(gl_table.createSequentialGroup()
.addGap(147)
.addComponent(textField_1, GroupLayout.PREFERRED_SIZE, 294, GroupLayout.PREFERRED_SIZE))
);
gl_table.setVerticalGroup(
gl_table.createParallelGroup(Alignment.LEADING)
.addGroup(gl_table.createSequentialGroup()
.addGap(106)
.addComponent(textField, GroupLayout.PREFERRED_SIZE, 44, GroupLayout.PREFERRED_SIZE)
.addGap(52)
.addComponent(textField_1, GroupLayout.PREFERRED_SIZE, 44, GroupLayout.PREFERRED_SIZE))
);
table.setLayout(gl_table);
///设置窗口最大化
this.setExtendedState(JFrame.MAXIMIZED_BOTH);
///设置窗口居中显示
this.setLocationRelativeTo(null);
}
}
StudentInformationSelectFrm.java
package view;
import java.awt.EventQueue;
import javax.swing.JInternalFrame;
import javax.swing.ImageIcon;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import java.awt.Font;
import java.sql.Connection;
import java.sql.ResultSet;
import java.util.Vector;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.JButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import dao.StudentInformationDao;
import model.StudentInformation;
import util.DBU;
import util.StringUtil;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JPanel;
import javax.swing.border.TitledBorder;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
/**
* @author TongShuHao
* @date 2020年12月18日
* @version 1.0
* Description:
*/
public class StudentInformationSelectFrm extends JInternalFrame {
private JTextField snoTxt;
private JTable StudentInformationTable;
private DBU dbu = new DBU();
private StudentInformationDao studentInformationDao = new StudentInformationDao();
private JTextField SnoTxt;
private JTextField SnameTxt;
private JTextField SsexTxt;
private JTextField SsiteTxt;
private JTextField SphoneTxt;
private JTextField SmajorTxt;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
StudentInformationSelectFrm frame = new StudentInformationSelectFrm();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public StudentInformationSelectFrm() {
setFrameIcon(new ImageIcon(StudentInformationSelectFrm.class.getResource("/img/Ltitle.jpg")));
setIconifiable(true);
setClosable(true);
setTitle("\u5B66\u751F\u4FE1\u606F\u67E5\u8BE2");
setBounds(100, 100, 600, 525);
JLabel lblNewLabel = new JLabel("\u8BF7\u8F93\u5165\u5E26\u67E5\u8BE2\u5B66\u751F\u7684\u5B66\u53F7\uFF1A");
lblNewLabel.setFont(new Font("等线", Font.BOLD, 15));
snoTxt = new JTextField();
snoTxt.setColumns(10);
JButton Searchbutton = new JButton("\u67E5\u8BE2");
Searchbutton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
studentSnoSearchAction(e);
}
});
JScrollPane scrollPane = new JScrollPane();
JPanel panel = new JPanel();
panel.setBorder(new TitledBorder(null, "\u4FE1\u606F\u4FEE\u6539\u4E0E\u5220\u9664", TitledBorder.LEADING, TitledBorder.TOP, null, null));
GroupLayout groupLayout = new GroupLayout(getContentPane());
groupLayout.setHorizontalGroup(
groupLayout.createParallelGroup(Alignment.TRAILING)
.addGroup(groupLayout.createSequentialGroup()
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addGap(59)
.addComponent(lblNewLabel)
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(snoTxt, GroupLayout.PREFERRED_SIZE, 169, GroupLayout.PREFERRED_SIZE)
.addPreferredGap(ComponentPlacement.UNRELATED)
.addComponent(Searchbutton))
.addGroup(groupLayout.createSequentialGroup()
.addGap(29)
.addGroup(groupLayout.createParallelGroup(Alignment.TRAILING)
.addComponent(scrollPane, GroupLayout.PREFERRED_SIZE, 529, GroupLayout.PREFERRED_SIZE)
.addComponent(panel, GroupLayout.PREFERRED_SIZE, 530, GroupLayout.PREFERRED_SIZE))))
.addContainerGap(25, Short.MAX_VALUE))
);
groupLayout.setVerticalGroup(
groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addGap(47)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(lblNewLabel)
.addComponent(snoTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(Searchbutton))
.addPreferredGap(ComponentPlacement.UNRELATED)
.addComponent(scrollPane, GroupLayout.PREFERRED_SIZE, 138, GroupLayout.PREFERRED_SIZE)
.addPreferredGap(ComponentPlacement.RELATED, 27, Short.MAX_VALUE)
.addComponent(panel, GroupLayout.PREFERRED_SIZE, 199, GroupLayout.PREFERRED_SIZE)
.addGap(38))
);
JLabel lblNewLabel_1 = new JLabel("\u5B66\u53F7\uFF1A");
SnoTxt = new JTextField();
SnoTxt.setEditable(false);
SnoTxt.setColumns(10);
JLabel label = new JLabel("\u59D3\u540D\uFF1A");
SnameTxt = new JTextField();
SnameTxt.setColumns(10);
JLabel label_1 = new JLabel("\u6027\u522B\uFF1A");
SsexTxt = new JTextField();
SsexTxt.setColumns(10);
JLabel label_2 = new JLabel("\u5730\u5740\uFF1A");
SsiteTxt = new JTextField();
SsiteTxt.setColumns(10);
JLabel label_3 = new JLabel("\u7535\u8BDD\uFF1A");
SphoneTxt = new JTextField();
SphoneTxt.setColumns(10);
JLabel label_4 = new JLabel("\u4E13\u4E1A\uFF1A");
SmajorTxt = new JTextField();
SmajorTxt.setColumns(10);
JButton button = new JButton("\u66F4\u65B0");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
studentInformationUpdateActionEvent(e);
}
});
JButton button_1 = new JButton("\u5220\u9664");
button_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
studentInformationDeleteActionEvent(e);
}
});
GroupLayout gl_panel = new GroupLayout(panel);
gl_panel.setHorizontalGroup(
gl_panel.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel.createSequentialGroup()
.addGap(35)
.addGroup(gl_panel.createParallelGroup(Alignment.LEADING, false)
.addGroup(gl_panel.createSequentialGroup()
.addComponent(lblNewLabel_1)
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(SnoTxt, GroupLayout.PREFERRED_SIZE, 126, GroupLayout.PREFERRED_SIZE)
.addGap(72)
.addComponent(label)
.addGap(5)
.addComponent(SnameTxt, GroupLayout.PREFERRED_SIZE, 123, GroupLayout.PREFERRED_SIZE))
.addGroup(gl_panel.createSequentialGroup()
.addGroup(gl_panel.createParallelGroup(Alignment.LEADING, false)
.addGroup(gl_panel.createSequentialGroup()
.addComponent(label_1)
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(SsexTxt, GroupLayout.PREFERRED_SIZE, 44, GroupLayout.PREFERRED_SIZE)
.addGap(42)
.addComponent(label_2))
.addGroup(gl_panel.createSequentialGroup()
.addComponent(label_3)
.addPreferredGap(ComponentPlacement.RELATED)
.addGroup(gl_panel.createParallelGroup(Alignment.LEADING)
.addComponent(button)
.addComponent(SphoneTxt))))
.addPreferredGap(ComponentPlacement.RELATED)
.addGroup(gl_panel.createParallelGroup(Alignment.TRAILING)
.addComponent(SsiteTxt, Alignment.LEADING)
.addGroup(Alignment.LEADING, gl_panel.createSequentialGroup()
.addComponent(label_4)
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(SmajorTxt, GroupLayout.DEFAULT_SIZE, 144, Short.MAX_VALUE))
.addComponent(button_1))))
.addContainerGap(61, Short.MAX_VALUE))
);
gl_panel.setVerticalGroup(
gl_panel.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel.createSequentialGroup()
.addGroup(gl_panel.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel.createSequentialGroup()
.addContainerGap()
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(lblNewLabel_1)
.addComponent(SnoTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(label)))
.addGroup(gl_panel.createSequentialGroup()
.addGap(14)
.addComponent(SnameTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)))
.addGap(18)
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(label_1)
.addComponent(SsexTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(label_2)
.addComponent(SsiteTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGap(18)
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(label_3)
.addComponent(SphoneTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(label_4)
.addComponent(SmajorTxt, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGap(18)
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(button)
.addComponent(button_1))
.addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
panel.setLayout(gl_panel);
StudentInformationTable = new JTable();
StudentInformationTable.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent evt) {
studentInformationMousePressed(evt);
}
});
StudentInformationTable.setModel(new DefaultTableModel(
new Object[][] {
},
new String[] {
"\u5B66\u53F7", "\u59D3\u540D", "\u6027\u522B", "\u5730\u5740", "\u7535\u8BDD", "\u4E13\u4E1A"
}
) {
boolean[] columnEditables = new boolean[] {
false, false, false, false, false, false
};
public boolean isCellEditable(int row, int column) {
return columnEditables[column];
}
});
scrollPane.setViewportView(StudentInformationTable);
getContentPane().setLayout(groupLayout);
//调用初始化表格
this.fillTable(new StudentInformation());
}
/**
* 学生信息删除
* @param e
*/
private void studentInformationDeleteActionEvent(ActionEvent e) {
// TODO Auto-generated method stub
String Sno=SnoTxt.getText();//获取待删除的学生学号
if (StringUtil.isEmpty(Sno)) {
JOptionPane.showMessageDialog(null, "请输入待删除学生的学号");
return;
}
int n=JOptionPane.showConfirmDialog(null, "是否确认删除该学生的信息？");
if (n==0) {
Connection con=null;
try {
con=dbu.getCon();
int deleteNum=studentInformationDao.delete(con, Sno);
if (deleteNum==1) {
JOptionPane.showMessageDialog(null, "删除成功！");
resetValue();
fillTable(new StudentInformation());
}else{
JOptionPane.showMessageDialog(null, "删除失败！");
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}finally{
try {
dbu.closeCon(con);//关闭数据库
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
}
/**
* 学生信息更新
* @param e
*/
private void studentInformationUpdateActionEvent(ActionEvent e) {
// TODO Auto-generated method stub
String Sno=SnoTxt.getText();
String Sname=SnameTxt.getText();
String Ssex=SsexTxt.getText();
String Ssite=SsiteTxt.getText();
String Sphone=SphoneTxt.getText();
String Smajor=SmajorTxt.getText();
if (StringUtil.isEmpty(Sno)) {
JOptionPane.showMessageDialog(null, "请输入待更新学生的学号");
return;
}
if (StringUtil.isEmpty(Sname)) {
JOptionPane.showMessageDialog(null, "姓名不能为空");
return;
}
if (StringUtil.isEmpty(Ssex)) {
JOptionPane.showMessageDialog(null, "性别不能为空");
return;
}
if (StringUtil.isEmpty(Ssite)) {
JOptionPane.showMessageDialog(null, "地址不能为空");
return;
}
if (StringUtil.isEmpty(Sphone)) {
JOptionPane.showMessageDialog(null, "电话不能为空");
return;
}
if (StringUtil.isEmpty(Smajor)) {
JOptionPane.showMessageDialog(null, "专业不能为空");
return;
}
StudentInformation studentInformation=new StudentInformation(Sno,Sname,Ssex,Ssite,Sphone,Smajor);
Connection con=null;
try {
con=dbu.getCon();
int modifyNum=studentInformationDao.update(con, studentInformation);
if (modifyNum==1) {
JOptionPane.showMessageDialog(null, "更新成功！");
resetValue();
fillTable(new StudentInformation());
}else {
JOptionPane.showMessageDialog(null, "更新失败！");
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}finally{
try {
dbu.closeCon(con);
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
/**
* 重置表单操作
*/
private void resetValue() {
// TODO Auto-generated method stub
this.SnoTxt.setText("");
this.SnameTxt.setText("");
this.SsexTxt.setText("");
this.SsiteTxt.setText("");
this.SphoneTxt.setText("");
this.SmajorTxt.setText("");
}
/**
* 鼠标单机事件，在表单里显示信息
*/
private void studentInformationMousePressed(MouseEvent evt) {
// TODO Auto-generated method stub
int row=StudentInformationTable.getSelectedRow();
SnoTxt.setText((String)StudentInformationTable.getValueAt(row, 0));
SnameTxt.setText((String)StudentInformationTable.getValueAt(row, 1));
SsexTxt.setText((String)StudentInformationTable.getValueAt(row, 2));
SsiteTxt.setText((String)StudentInformationTable.getValueAt(row, 3));
SphoneTxt.setText((String)StudentInformationTable.getValueAt(row, 4));
SmajorTxt.setText((String)StudentInformationTable.getValueAt(row, 5));
}
/**
* 学生查询
* @param e
*/
private void studentSnoSearchAction(ActionEvent evt) {
// TODO Auto-generated method stub
String sno=this.snoTxt.getText();
StudentInformation studentInformation=new StudentInformation();
studentInformation.setSno(sno);
this.fillTable(studentInformation);
}
/**
* 初始化表格
*/
private void fillTable(StudentInformation studentInformation){
DefaultTableModel dtm=(DefaultTableModel)StudentInformationTable.getModel();
dtm.setRowCount(0);
Connection con=null;
try {
con=dbu.getCon();
ResultSet rs=studentInformationDao.list(con, studentInformation);
while (rs.next()) {
Vector v=new Vector();
v.add(rs.getString("Sno"));//可多添加
v.add(rs.getString("Sname"));
v.add(rs.getString("Ssex"));
v.add(rs.getString("Ssite"));
v.add(rs.getString("Sphone"));
v.add(rs.getString("Smajor"));
dtm.addRow(v);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
dbu.closeCon(con);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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