void tableInitialise(JTable table) {
JScrollPane scroll;
TableColumn column = null;
int colunms = table.getColumnCount();
for (int y = 0; y < colunms; y++) {
column = table.getColumnModel().getColumn(y);
/*将每一列的默认宽度设置为100*/
column.setPreferredWidth(100);
}
/*
* 设置JTable自动调整列表的状态，此处设置为关闭
*/
table.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
table.setFont(new Font("Menu.font", Font.PLAIN, 14));
table.getTableHeader().setFont(new Font("Menu.font", Font.BOLD, 15));
/*用JScrollPane装载JTable，这样超出范围的列就可以通过滚动条来查看*/
scroll = new JScrollPane(table);
TablePanel.removeAll();
TablePanel.setLayout(new BoxLayout(TablePanel, BoxLayout.Y_AXIS));
TablePanel.add(scroll);
TablePanel.revalidate();
table.setRowSelectionAllowed(true); // 设置JTable可被选择
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); // 设置JTable为单行选择
table.getTableHeader().setBackground(new Color(206, 231, 255)); // 设置JTable表头颜色
table.getTableHeader().setReorderingAllowed(false); // 设置JTable每个字段的顺序不可以改变
table.getTableHeader().setResizingAllowed(false); // 设置JTable每个表头的大小不可以改变
makeFace(table); // 设置JTable 颜色
table.setVisible(true);
}
public RemoveTeacherTimetable() {
frame = new JFrame("RemoveTeacherTimetable");
frame.setContentPane(panel);
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
frame.setVisible(true);
tableView.setVisible(
false); // hiding the unnecessary part before it is used, which makes the outlook more
// pretty
afterDeletion.setVisible(false);
panelWidth = afterDeletion.getWidth() + 40;
frame.pack();
退出Button.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
RemoveModule removeModule = new RemoveModule();
frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));
}
});
删除Button.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
DefaultTableModel tableModel;
tableModel = new DefaultTableModel();
createTableModel(tableModel);
tableView.setModel(tableModel);
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(
null, "failed to load the driver function", "ERROR", JOptionPane.ERROR_MESSAGE);
}
try {
Connection con =
DriverManager.getConnection(
Administrator.URL, Administrator.USER, Administrator.PASSWORD);
Statement st = con.createStatement();
String Ayear = ayear.getText();
String Semester = semester.getText();
String T_id = t_id.getText();
String C_id = c_id.getText();
String query =
"DELETE FROM tc WHERE Ayear = '"
+ Ayear
+ "' AND Semester = '"
+ Semester
+ "' AND T_id = '"
+ T_id
+ "' AND C_id = '"
+ C_id
+ "'";
if (!Ayear.isEmpty() && !Semester.isEmpty() && !T_id.isEmpty() && !C_id.isEmpty())
st.executeUpdate(query);
ResultSet rs = st.executeQuery("SELECT * FROM tc");
while (rs.next()) {
Vector<java.io.Serializable> vcRows = new Vector<>();
vcRows.addElement(rs.getString(1));
vcRows.addElement(rs.getInt(2));
vcRows.addElement(rs.getString(3));
vcRows.addElement(rs.getString(4));
vcRows.addElement(rs.getString(5));
tableModel.addRow(vcRows);
}
rs.close();
st.close();
con.close();
tableView.setAutoResizeMode(
JTable
.AUTO_RESIZE_ALL_COLUMNS); // adjust the panel according to the table's
// current height, and set them visible
panelHeight = tableView.getRowHeight() * tableView.getRowCount() + 50;
afterDeletion.setPreferredSize(new Dimension(panelWidth, panelHeight));
afterDeletion.setVisible(true);
tableView.setVisible(true);
frame.pack();
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(
null,
"failed to excute the SQL statement\n" + ex.getMessage(),
"ERROR",
JOptionPane.ERROR_MESSAGE);
}
}
private void createTableModel(DefaultTableModel tableModel) {
tableModel.addColumn("Ayear");
tableModel.addColumn("Semester");
tableModel.addColumn("T_id");
tableModel.addColumn("C_id");
tableModel.addColumn("Rating");
}
});
}
public QueryTeacher() {
frame = new JFrame("QueryTeacher");
frame.setContentPane(panel);
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
frame.setVisible(true);
tableView.setVisible(false);
afterInsert.setVisible(false);
panelWidth = afterInsert.getWidth();
frame.pack();
退出Button.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new QueryModule();
frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));
}
});
查询Button.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
DefaultTableModel tableModel = new DefaultTableModel();
createTableModel(tableModel);
tableView.setModel(tableModel);
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(
null,
"failed to load the driver function/n" + ex.getMessage(),
"ERROR",
JOptionPane.ERROR_MESSAGE);
}
try {
Connection con =
DriverManager.getConnection(
Administrator.URL, Administrator.USER, Administrator.PASSWORD);
Statement st = con.createStatement();
String T_id = t_id.getText();
String T_name = t_name.getText();
String T_sex = t_sex.getText();
String T_birth = t_birth.getText();
String T_prov = t_prov.getText();
String T_region = t_region.getText();
String Dept_id = dept_id.getText();
String Col_id = col_id.getText();
String Prof = prof.getText();
String Sal = sal.getText();
String query = "SELECT * FROM teacher where 1 = 1";
if (!T_id.isEmpty() && T_id != "") query += "and T_id like '%" + T_id + "%'";
if (!T_name.isEmpty() && T_name != "") query += "and T_name like '%" + T_name + "%'";
if (!T_sex.isEmpty() && T_sex != "") query += "and T_sex like '%" + T_sex + "%'";
if (!T_birth.isEmpty() && T_birth != "")
query += "and T_birth like '%" + T_birth + "%'";
if (!T_prov.isEmpty() && T_prov != "") query += "and T_prov like '%" + T_prov + "%'";
if (!T_region.isEmpty() && T_region != "")
query += "and T_region like '%" + T_region + "%'";
if (!Dept_id.isEmpty() && Dept_id != "")
query += "and Dept_id like '%" + Dept_id + "%'";
if (!Col_id.isEmpty() && Col_id != "") query += "and Col_id like '%" + Col_id + "%'";
if (!Prof.isEmpty() && Prof != "") query += "and Prof like '%" + Prof + "%'";
if (!Sal.isEmpty() && Sal != "") query += "and Sal like '%" + Sal + "%'";
ResultSet rs = st.executeQuery(query);
while (rs.next()) {
Vector<java.io.Serializable> vcRows = new Vector<>();
vcRows.addElement(rs.getString(1));
vcRows.addElement(rs.getString(2));
vcRows.addElement(rs.getString(3));
vcRows.addElement(rs.getDate(4));
vcRows.addElement(rs.getString(5));
vcRows.addElement(rs.getString(6));
vcRows.addElement(rs.getString(7));
vcRows.addElement(rs.getString(8));
vcRows.addElement(rs.getString(9));
vcRows.addElement(rs.getInt(10));
tableModel.addRow(vcRows);
}
rs.close();
st.close();
con.close();
tableView.setAutoResizeMode(
JTable
.AUTO_RESIZE_ALL_COLUMNS); // adjust the panel according to the table's
// current height, and set them visible
panelHeight = tableView.getRowHeight() * tableView.getRowCount() + 50;
afterInsert.setPreferredSize(new Dimension((int) (panelWidth * 1.4), panelHeight));
afterInsert.setVisible(true);
tableView.setVisible(true);
frame.pack();
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(
null,
"failed to excute the SQL statement\n" + ex.getMessage(),
"ERROR",
JOptionPane.ERROR_MESSAGE);
}
}
private void createTableModel(DefaultTableModel tableModel) {
tableModel.addColumn("T_id");
tableModel.addColumn("T_name");
tableModel.addColumn("T_sex");
tableModel.addColumn("T_birth");
tableModel.addColumn("T_prov");
tableModel.addColumn("T_region");
tableModel.addColumn("Dept_id");
tableModel.addColumn("Col_id");
tableModel.addColumn("Prof");
tableModel.addColumn("Sal");
}
});
}
private void updateTable() {
dataExchange.transferString("updateTable");
listProduct = new ArrayList<ProductEntity>();
int size = dataExchange.acceptInt();
for (int i = 0; i < size; i++) {
listProduct.add(dataExchange.acceptProductEntity());
}
listGroup = new ArrayList<GroupEntity>();
size = dataExchange.acceptInt();
for (int i = 0; i < size; i++) {
listGroup.add(dataExchange.acceptGroupEntity());
}
listSubGroup = new ArrayList<SubGroupEntity>();
size = dataExchange.acceptInt();
for (int i = 0; i < size; i++) {
listSubGroup.add(dataExchange.acceptSubGroupEntity());
}
listProductTable = new ArrayList<ProductTableEntity>();
for (int i = 0; i < listProduct.size(); i++) {
ProductTableEntity entity = new ProductTableEntity();
for (int j = 0; j < listGroup.size(); j++) {
if (listProduct.get(i).getGroupId() == listGroup.get(j).getGroupId()) {
entity.setGroupName(listGroup.get(j).getGroupName());
break;
}
}
for (int j = 0; j < listSubGroup.size(); j++) {
if (listProduct.get(i).getSubGroupId() == listSubGroup.get(j).getSubGroupId()) {
entity.setSubGroupName(listSubGroup.get(j).getSubGroupName());
break;
}
}
entity.setProductId(i + 1);
entity.setProductName(listProduct.get(i).getProductName());
entity.setAmount(listProduct.get(i).getAmount());
entity.setPrice(listProduct.get(i).getPrice());
listProductTable.add(entity);
}
productTableModel.removeIsAll();
for (int i = 0; i < listProductTable.size(); i++) {
String[] table = {
String.valueOf(listProductTable.get(i).getProductId()),
listProductTable.get(i).getProductName(),
listProductTable.get(i).getGroupName(),
listProductTable.get(i).getSubGroupName(),
String.valueOf(listProductTable.get(i).getAmount()),
String.valueOf(listProductTable.get(i).getPrice())
};
productTableModel.addDate(table);
}
table.setVisible(false);
table.setVisible(true);
}
public UpdateUsercode() {
frame = new JFrame("UpdateUsercode");
frame.setContentPane(panel);
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
frame.setVisible(true);
tableView.setVisible(
false); // hiding the unnecessary part before it is used, which makes the outlook more
// pretty
afterUpdate.setVisible(false);
panelWidth = afterUpdate.getWidth() + 40;
frame.pack();
退出Button.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));
}
});
更改Button.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
DefaultTableModel tableModel = new DefaultTableModel();
createTableModel(tableModel);
tableView.setModel(tableModel);
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(
null, "failed to load the driver function", "ERROR", JOptionPane.ERROR_MESSAGE);
}
try {
Connection con =
DriverManager.getConnection(
Administrator.URL, Administrator.USER, Administrator.PASSWORD);
Statement st = con.createStatement();
String old_U_id = old_u_id.getText();
String U_id = u_id.getText();
String U_name = u_name.getText();
String Password = password.getText();
String Privilege = privilege.getText();
String query =
"UPDATE usercode SET U_id = '"
+ U_id
+ "', U_name = '"
+ U_name
+ "', Password = '******', Privilege = '"
+ Privilege
+ "' WHERE U_id = '"
+ old_U_id
+ "'";
if (!old_U_id.isEmpty()
&& !U_id.isEmpty()
&& !U_name.isEmpty()
&& !Password.isEmpty()
&& !Privilege.isEmpty()) st.executeUpdate(query);
ResultSet rs = st.executeQuery("SELECT * FROM usercode");
while (rs.next()) {
Vector<String> vcRows = new Vector<>();
vcRows.addElement(rs.getString(1));
vcRows.addElement(rs.getString(2));
vcRows.addElement(rs.getString(3));
vcRows.addElement(rs.getString(4));
tableModel.addRow(vcRows);
}
rs.close();
st.close();
con.close();
tableView.setAutoResizeMode(
JTable
.AUTO_RESIZE_ALL_COLUMNS); // adjust the panel according to the table's
// current height, and set them visible
panelHeight = tableView.getRowHeight() * tableView.getRowCount() + 50;
afterUpdate.setPreferredSize(new Dimension(panelWidth, panelHeight));
afterUpdate.setVisible(true);
tableView.setVisible(true);
frame.pack();
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(
null,
"failed to excute the SQL statement\n" + ex.getMessage(),
"ERROR",
JOptionPane.ERROR_MESSAGE);
}
}
private void createTableModel(DefaultTableModel tableModel) {
tableModel.addColumn("U_id");
tableModel.addColumn("U_name");
tableModel.addColumn("Password");
tableModel.addColumn("Privilege");
}
});
}