GUI JDBC 学生信息管理系统
1.Driver.java
public class Driver {
public static void main(String[] args) {
Denglu dl = new Denglu();
dl.view();
}
}
2.Denglu.java
public class Denglu implements KeyListener{
private JFrame f = new JFrame("登录");
private JTextField text1 = new JTextField(10);
private JPasswordField text2 = new JPasswordField(10);
private JLabel infor = new JLabel();
private JButton bt1 = new JButton("登录");
private JButton bt2 = new JButton("重置");
public void view() {
f.setLayout(new BorderLayout(3, 4));
JPanel p1 = new JPanel();
JPanel p2 = new JPanel();
JPanel p3 = new JPanel();
f.add(p1, BorderLayout.NORTH);
f.add(p2, BorderLayout.CENTER);
f.add(p3, BorderLayout.SOUTH);
JLabel l1 = new JLabel("用户登录");
l1.setLayout(new FlowLayout(FlowLayout.CENTER));
p1.add(l1);
p2.setLayout(new GridLayout(3, 2));
JPanel p4 = new JPanel();
JPanel p5 = new JPanel();
JPanel p6 = new JPanel();
p2.add(p4);
p2.add(p5);
p2.add(p6);
p4.setLayout(new FlowLayout(FlowLayout.CENTER));
p5.setLayout(new FlowLayout(FlowLayout.CENTER));
p6.setLayout(new FlowLayout(FlowLayout.CENTER));
JLabel username = new JLabel("用户名：");
p4.add(username);
p4.add(text1);
JLabel password = new JLabel("密 码：");
p5.add(password);
p5.add(text2);
p6.add(infor);
p3.setLayout(new FlowLayout(FlowLayout.CENTER));
p3.add(bt1);
p3.add(bt2);
bt1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
check();
}
});
bt2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
text1.setText(null);
text2.setText(null);
}
});
text2.requestFocus();
text2.addKeyListener(this);
f.setSize(300, 200);
f.setLocation(500, 170);
f.setVisible(true);
}
public void check() {
boolean ret = false;
String s = new String(text2.getPassword());
String sql = "select * from t_users ";
sql = sql + "where userName='" + text1.getText();
sql = sql + "' and userPassword='" + s + "'";
DbManager db = new DbManager();
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next())
ret = true;
else
ret = false;
} catch (SQLException e1) {
e1.printStackTrace();
ret = false;
}
db.close();
if (ret) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Index frame = new Index();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
f.dispose();
System.out.println("用户名：" + text1.getText() + " 密码：" + s);
} else {
infor.setText("用户名或密码错误！！");
text1.setText(null);
text2.setText(null);
}
}
public void keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER){
check();
}
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
}
3.Index.java
public class Index extends JFrame {
private JPanel contentPane;
public Index() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 631, 445);
setLocation(360, 160);
getContentPane().setLayout(null);
JLabel l1 = new JLabel("用户登录");
l1.setLayout(new FlowLayout(FlowLayout.CENTER));
getContentPane().add(l1);
JButton btnNewButton = new JButton("新增");
btnNewButton.setBounds(76, 210, 93, 35);
getContentPane().add(btnNewButton);
JButton btnNewButton_1 = new JButton("删除");
btnNewButton_1.setBounds(198, 210, 93, 35);
getContentPane().add(btnNewButton_1);
JButton btnNewButton_2 = new JButton("修改");
btnNewButton_2.setBounds(322, 210, 93, 35);
getContentPane().add(btnNewButton_2);
JButton btnNewButton_3 = new JButton("查询");
btnNewButton_3.setBounds(447, 210, 93, 35);
getContentPane().add(btnNewButton_3);
JLabel label = new JLabel("欢迎进入学生管理系统");
label.setFont(new Font("黑体", Font.BOLD,20));
label.setBounds(205, 53, 210, 35);
getContentPane().add(label);
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
Import it = new Import();
it.daoru();
}
});
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
Delete d = new Delete();
d.delete();
}
});
btnNewButton_2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
Revise r = new Revise();
r.revise();
}
});
btnNewButton_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
SearchBy s = new SearchBy();
s.searchBy();
}
});
}
}
4.Import.java
public class Import {
private JFrame f = new JFrame("导入学生信息");
private JTextField text = new JTextField(5);
private JTextField text1 = new JTextField(5);
private JRadioButton rb1 = new JRadioButton("男");
private JRadioButton rb2 = new JRadioButton("女");
private JComboBox jcb;
private JComboBox jcb1;
private JComboBox jcb3;
private JComboBox jc;
private JCheckBox cb1 = new JCheckBox("篮球");
private JCheckBox cb2 = new JCheckBox("羽毛球");
private JCheckBox cb3 = new JCheckBox("排球");
public void daoru() {
f.setLayout(new FlowLayout(FlowLayout.LEFT, 20, 30));
JLabel lname = new JLabel("姓名：");
f.add(lname);
f.add(text);
JLabel lid = new JLabel("学号：");
f.add(lid);
f.add(text1);
JLabel lgender = new JLabel("性别：");
f.add(lgender);
f.add(rb1);
f.add(rb2);
ButtonGroup group = new ButtonGroup();
group.add(rb1);
group.add(rb2);
JLabel lbirth = new JLabel("出生日期：");
f.add(lbirth);
String year[] = new String[30];
year[0] = "";
for (int i = 1; i <= 29; i++) {
year[i] = " " + (i + 1982);
if (i == 2012)
break;
}
jcb = new JComboBox(year);
f.add(jcb);
JLabel lb1 = new JLabel("年");
f.add(lb1);
String month[] = new String[13];
month[0] = "";
for (int i = 1; i <= 12; i++) {
month[i] = "" + i;
if (i == 12)
break;
}
jcb1 = new JComboBox(month);
f.add(jcb1);
JLabel lb2 = new JLabel("月");
f.add(lb2);
String day[] = new String[32];
day[0] = "";
for (int i = 1; i <= 31; i++) {
day[i] = "" + i;
// 或者写成day[i] = Integer.toString(i);
if (i == 31)
break;
}
jcb3 = new JComboBox(day);
f.add(jcb3);
JLabel lb3 = new JLabel("日");
f.add(lb3);
String province[] = { "", "湖北", "湖南", "广东", "陕西", "江西", "福建", "河南","山东" };
jc = new JComboBox(province);
jc.setBorder(BorderFactory.createTitledBorder("省份"));
f.add(jc);
JLabel lintrest = new JLabel("爱好：");
f.add(lintrest);
f.add(cb1);
f.add(cb2);
f.add(cb3);
JButton bt = new JButton("添加");
f.add(bt);
bt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
insertStudent();
}
});
f.setSize(500, 450);
f.setLocation(200, 200);
f.setVisible(true);
}
public void insertStudent(){
DbManager db = new DbManager();
String sql = "select * from t_student where id='"
+ text1.getText() + "'";
ResultSet rs = db.executeQuery(sql);
String s1 = "";
try {
if (rs.next()) {
JOptionPane.showMessageDialog(null, "学号为"
+ text1.getText() + "的学生已存在!!", null,
JOptionPane.ERROR_MESSAGE);
} else {
s1 = new String(text1.getText());// 学号
String s2 = new String(text.getText());// 姓名
String s3 = null; // 性别
if (rb1.isSelected())
s3 = "男";
if (rb2.isSelected())
s3 = "女";
String s4 = jcb.getSelectedItem().toString() + "-";
s4 = s4 + jcb1.getSelectedItem().toString() + "-";
s4 = s4 + jcb3.getSelectedItem().toString();
String s5 = jc.getSelectedItem().toString();
String s6 = "";
if (cb1.isSelected())
s6 = cb1.getText();
if (cb2.isSelected())
s6 = s6 + " , " + cb2.getText();
if (cb3.isSelected())
s6 = s6 + " , " + cb3.getText();
if (!text1.getText().isEmpty()
&& !text.getText().isEmpty()) {
String sql1 = "insert into t_student values(";
sql1 = sql1 + "'" + s1 + "',";
sql1 = sql1 + "'" + s2 + "',";
sql1 = sql1 + "'" + s3 + "',";
sql1 = sql1 + "'" + s4 + "',";
sql1 = sql1 + "'" + s5 + "',";
sql1 = sql1 + "'" + s6 + "')";
boolean ret = db.executeUpdate(sql1);
if (ret)
JOptionPane.showMessageDialog(null, "添加成功！",
null, JOptionPane.OK_CANCEL_OPTION);
f.dispose();
} else
JOptionPane.showMessageDialog(null, "姓名和学号不能为空！",
null, JOptionPane.ERROR_MESSAGE);
}
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
db.close();
}
}
5.Delete.java
public class Delete implements KeyListener {
private JTextField t1 = new JTextField(5);
private JTextField t2 = new JTextField(5);
public void delete() {
JFrame f = new JFrame("删除学生");
f.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 30));
JLabel l1 = new JLabel("学号：");
f.add(l1);
f.add(t1);
JLabel l2 = new JLabel("姓名：");
f.add(l2);
f.add(t2);
JButton bt = new JButton("删除");
f.add(bt);
bt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
deleteby();
}
});
f.setSize(400, 180);
f.setLocation(380, 210);
f.setVisible(true);
}
public void deleteby() {
boolean ret = false;
DbManager db = new DbManager();
if (!t1.getText().isEmpty() && t2.getText().isEmpty()) {
String sql = "select * from t_student ";
sql = sql + "where id= '" + t1.getText() + "'";
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next()) {
String sql1 = "delete from t_student where id='"
+ t1.getText() + "'";
ret = db.executeUpdate(sql1);
} else
JOptionPane.showMessageDialog(null, "学号为" + t1.getText()
+ "的数据不在数据库中！", null, JOptionPane.ERROR_MESSAGE);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if (ret) {
JOptionPane.showMessageDialog(null, "删除成功！", null,
JOptionPane.OK_OPTION);
}
}
if (!t2.getText().isEmpty() && t1.getText().isEmpty()) {
String sql = "select * from t_student ";
sql = sql + "where name= '" + t2.getText() + "'";
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next()) {
String sql1 = "delete from t_student where name='"
+ t2.getText() + "'";
ret = db.executeUpdate(sql1);
} else
JOptionPane.showMessageDialog(null, "姓名为" + t2.getText(+ "的数据不在数据库中！", null, JOptionPane.ERROR_MESSAGE);
} catch (SQLException e1) {
e1.printStackTrace();
}
if (ret) {
JOptionPane.showMessageDialog(null, "删除成功！", null,
JOptionPane.OK_CANCEL_OPTION);
}
}
if (t1.getText().isEmpty() && t2.getText().isEmpty())
JOptionPane.showMessageDialog(null, "信息不能为空！", null,
JOptionPane.ERROR_MESSAGE);
db.close();
}
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
deleteby();
}
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
}
6.Revise.java
public class Revise {
private JTextField text = new JTextField(5);
private JRadioButton rb1 = new JRadioButton("男");
private JRadioButton rb2 = new JRadioButton("女");
private JComboBox jcb;
private JComboBox jcb1;
private JComboBox jcb3;
private JComboBox jc;
private JCheckBox cb1 = new JCheckBox("篮球");
private JCheckBox cb2 = new JCheckBox("羽毛球");
private JCheckBox cb3 = new JCheckBox("排球");
public void revise() {
JFrame f = new JFrame("修改学生信息");
f.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 40));
JLabel l1 = new JLabel("学号：");
final JTextField t1 = new JTextField(5);
f.add(l1);
f.add(t1);
JButton bt = new JButton("修改");
f.add(bt);
bt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String id = t1.getText();
if (!t1.getText().isEmpty()) {
DbManager db = new DbManager();
String sql = "select * from t_student where id ='" + id+ "'";
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next())
SaveStudent(id);
else
JOptionPane.showMessageDialog(null, "要修改的数据不存在！", null, JOptionPane.ERROR_MESSAGE);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} else
JOptionPane.showMessageDialog(null, "信息不能为空！", null,JOptionPane.OK_OPTION);
}
});
f.setSize(300, 150);
//f.getContentPane().setBackground(Color.GREEN);
f.setLocation(300, 250);
f.setVisible(true);
}
public void SaveStudent(final String id) {
JFrame f = new JFrame("输入学生信息");
f.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 60));
JLabel lname = new JLabel("姓名：");
f.add(lname);
f.add(text);
JLabel lgender = new JLabel("性别：");
f.add(lgender);
f.add(rb1);
f.add(rb2);
ButtonGroup group = new ButtonGroup();
group.add(rb1);
group.add(rb2);
JLabel lbirth = new JLabel("出生日期：");
f.add(lbirth);
String year[] = new String[30];
year[0] = "";
for (int i = 1; i <= 29; i++) {
year[i] = " " + (i + 1982);
if (i == 2012)
break;
}
jcb = new JComboBox(year);
f.add(jcb);
JLabel lb1 = new JLabel("年");
f.add(lb1);
String month[] = new String[13];
month[0] = "";
for (int i = 1; i <= 12; i++) {
month[i] = "" + i;
if (i == 12)
break;
}
jcb1 = new JComboBox(month);
f.add(jcb1);
JLabel lb2 = new JLabel("月");
f.add(lb2);
String day[] = new String[32];
day[0] = "";
for (int i = 1; i <= 31; i++) {
day[i] = "" + i;
if (i == 31)
break;
}
jcb3 = new JComboBox(day);
f.add(jcb3);
JLabel lb3 = new JLabel("日");
f.add(lb3);
String province[] = { "", "湖北", "湖南", "广东", "陕西", "江西", "福建", "河南","山东" };
jc = new JComboBox(province);
jc.setBorder(BorderFactory.createTitledBorder("省份"));
f.add(jc);
JLabel lintrest = new JLabel("爱好：");
cb1 = new JCheckBox("篮球");
cb2 = new JCheckBox("羽毛球");
cb3 = new JCheckBox("排球");
f.add(lintrest);
f.add(cb1);
f.add(cb2);
f.add(cb3);
JButton bt = new JButton("保存修改");
f.add(bt);
bt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
reviseStu(id);
}
});
f.setSize(700, 380);
f.setLocation(310, 180);
f.setVisible(true);
}
public void reviseStu(String id){
DbManager db = new DbManager();
boolean ret = false;
String s1 = new String(text.getText());
String s2 = "";
if (rb1.isSelected())
s2 = "男";
if (rb2.isSelected())
s2 = "女";
String s3 = "";
s3 = jcb.getSelectedItem().toString() + "-";
s3 = s3 + jcb1.getSelectedItem().toString() + "-";
s3 = s3 + jcb3.getSelectedItem().toString();
String s4 = jc.getSelectedItem().toString();
String s5 = "";
if (cb1.isSelected())
s5 = cb1.getText();
if (cb2.isSelected())
s5 = s5 + " , " + cb2.getText();
if (cb3.isSelected())
s5 = s5 + " , " + cb3.getText();
String sql = "update t_student set ";
sql = sql + " Id='" + id + "',";
sql = sql + " name='" + s1 + "',";
sql = sql + " gender='" + s2 + "',";
sql = sql + " birth='" + s3 + "',";
sql = sql + " province='" + s4 + "',";
sql = sql + " interest='" + s5 + "'";
sql = sql + " where id='" + id + "'";
ret = db.executeUpdate(sql);
if (ret) {
System.out.println(sql);
JOptionPane.showMessageDialog(null, "修改成功！", null,
JOptionPane.OK_CANCEL_OPTION);
} else
JOptionPane.showMessageDialog(null, "请填写完整的信息！！", null,
JOptionPane.ERROR_MESSAGE);
db.close();
}
}
7.SearchBy.java
public class SearchBy {
private JFrame f = new JFrame("查询学生信息");
private JTextField t1 = new JTextField(5);
private JTextField t2 = new JTextField(5);
public void searchBy() {
f.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 30));
JLabel l1 = new JLabel("学号：");
f.add(l1);
f.add(t1);
JLabel l2 = new JLabel("姓名：");
f.add(l2);
f.add(t2);
JButton bt = new JButton("条件查询");
f.add(bt);
bt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
IdorName();
}
});
JButton bt1 = new JButton("显示全部学生信息");
f.add(bt1);
bt1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
searchAll();
}
});
f.setSize(550, 200);
f.setLocation(310, 210);
f.setVisible(true);
}
public void IdorName() {
DbManager db = new DbManager();
if (!t1.getText().isEmpty() && t2.getText().isEmpty()) {
String sql = "select * from t_student ";
sql = sql + "where id= '" + t1.getText() + "'";
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next()) {
System.out.println("\n按学号查询！");
show(sql);
f.dispose();
} else
JOptionPane.showMessageDialog(null, "学号为" + t1.getText()
+ "的数据不在数据库中！", null, JOptionPane.ERROR_MESSAGE);
rs.close();
} catch (SQLException e1) {
e1.printStackTrace();
} catch (Exception e1) {
e1.printStackTrace();
}
}
if (!t2.getText().isEmpty() && t1.getText().isEmpty()) {
String sql = "select * from t_student ";
sql = sql + "where name= '" + t2.getText() + "'";
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next()) {
System.out.println("\n按姓名查询！");
show(sql);
f.dispose();
} else
JOptionPane.showMessageDialog(null, "姓名为" + t2.getText()
+ "的数据不在数据库中！", null, JOptionPane.ERROR_MESSAGE);
rs.close();
} catch (SQLException e1) {
e1.printStackTrace();
} catch (Exception e1) {
e1.printStackTrace();
}
}
if (t2.getText().isEmpty() && t1.getText().isEmpty()) {
JOptionPane.showMessageDialog(null, "信息不能为空！", null,
JOptionPane.ERROR_MESSAGE);
}
db.close();
}
public void searchAll() {
DbManager db = new DbManager();
String sql = "select * from t_student";
ResultSet rs = db.executeQuery(sql);
try {
if (rs.next()) {
show(sql);
System.out.println("显示全部学生信息！");
}
} catch (SQLException e1) {
e1.printStackTrace();
} catch (Exception e1) {
e1.printStackTrace();
}
db.close();
}
public void show(String sql) throws Exception {
JFrame f = new JFrame("显示学生信息");
System.out.println(sql);
DbManager db = new DbManager();
ResultSet rs = db.executeQuery(sql);
ArrayList
Vector
while (rs.next()) {
String s = " ";
Student stu = new Student();
stu.setId(s + rs.getString("id"));
stu.setName(s + rs.getString("name"));
stu.setGender(s + rs.getString("gender"));
stu.setBirth(s + rs.getString("birth"));
stu.setProvince(s + rs.getString("province"));
stu.setInterest(s + rs.getString("interest"));
list.add(stu);
}
for (int i = 0; i < list.size(); i++) {
Vector
row.add(list.get(i).getId());
row.add(list.get(i).getName());
row.add(list.get(i).getGender());
row.add(list.get(i).getBirth());
row.add(list.get(i).getProvince());
row.add(list.get(i).getInterest());
rowData.add(row);
}
rs.close();
db.close();
Vector
titles.add("学号");
titles.add("姓名");
titles.add("性别");
titles.add("生日");
titles.add("省份");
titles.add("爱好");
JTable jl = new JTable(rowData, titles) {
public boolean isCellEditable(int row, int col) {
return false;
}
};
MyUtil.makeFace(jl);
jl.setRowHeight(30);
JScrollPane scr = new JScrollPane(jl);
f.add(scr);
f.setSize(800, 270);
f.setLocation(310, 180);
f.setVisible(true);
}
}
8.DbManager.java
public class DbManager {
private static final String DBDRIVER = "com.mysql.jdbc.Driver";
Private static final String DBURL= "jdbc:mysql://localhost:3306/student?useUnicode=true&characterEncoding=utf-8";
private static final String DBUSER = "root";
private static final String DBPASS = "hanpeng136";
private Connection conn = null;
private Statement stmt = null;
private ResultSet rs = null;
public DbManager() {
try {
Class.forName(DBDRIVER);
conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
} catch (Exception e) {
e.printStackTrace();
}
}
public boolean executeUpdate(String sql)
{
boolean ret=false;
try {
stmt = conn.createStatement() ;
int i=stmt.executeUpdate(sql);
if(i>0)
ret=true;
else
ret=false;
} catch (Exception e) {
e.printStackTrace();
ret=false;
}
return ret;
}
public ResultSet executeQuery(String sql)
{
try {
stmt = conn.createStatement() ;
rs=stmt.executeQuery(sql);
} catch (Exception e) {
e.printStackTrace();
}
return rs;
}
public void close()
{
try {
if(rs!=null)
rs.close();
if(stmt!=null)
stmt.close();
if(conn!=null)
conn.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
9.Student.java
public Student(String id, String name, String gender, String birth,
String province, String interest) {
super();
this.id = id;
this.name = name;
this.gender = gender;
this.birth = birth;
this.province = province;
this.interest = interest;
}
public Student() { }
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
public String getBirth() {
return birth;
}
public void setBirth(String birth) {
this.birth = birth;
}
public String getProvince() {
return province;
}
public void setProvince(String province) {
this.province = province;
}
public String getInterest() {
return interest;
}
public void setInterest(String interest) {
this.interest = interest;
}
}