📄 carddome.java
字号:
jScrollPane1.getViewport().add(jTree1);
DefaultMutableTreeNode Tian = new DefaultMutableTreeNode("添加卡信息");
gen.add(Tian);
DefaultMutableTreeNode Shan = new DefaultMutableTreeNode("删除卡信息");
gen.add(Shan);
DefaultMutableTreeNode Xiou = new DefaultMutableTreeNode("修改卡信息");
gen.add(Xiou);
DefaultMutableTreeNode Cha = new DefaultMutableTreeNode("条件查询卡信息");
gen.add(Cha);
DefaultMutableTreeNode Cha1 = new DefaultMutableTreeNode("查询全部卡信息");
gen.add(Cha1);
jTree1.expandRow(0);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = this.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
this.setLocation((screenSize.width - frameSize.width) / 2,
(screenSize.height - frameSize.height) / 2);
}
public void jTree1_valueChanged(TreeSelectionEvent e) {
DefaultMutableTreeNode temp = (DefaultMutableTreeNode) jTree1.
getLastSelectedPathComponent();
//得到选中的节点名称
String name=temp.toString();
//根据选择的不同显示卡式布局中的卡片
if (name.equals("添加卡信息")){
this.cardLayout1.show(this.jPanel1, "jPanel2");
}else if(name.equals("删除卡信息")){
this.cardLayout1.show(this.jPanel1, "jPanel3");
}else if(name.equals("修改卡信息")){
this.cardLayout1.show(this.jPanel1, "jPanel4");
}else if(name.equals("条件查询卡信息")){
this.cardLayout1.show(this.jPanel1, "jPanel5");
}else if(name.equals("查询全部卡信息")){
this.cardLayout1.show(this.jPanel1, "jPanel6");
}
}
public void jButton1_actionPerformed(ActionEvent e) {
String id=(String)txtCardid.getText();
String Hui=(String)txtMemberid.getText();
String Password=new String(txtPassword.getPassword());
double balance=Double.parseDouble(txtbalance.getText());
Card Tian = new Card();
Tian.setId(id);
ArrayList brr=CardBusiness.select(Tian);
if(!brr.isEmpty())
{
javax.swing.JOptionPane.showMessageDialog(this,
"该卡号已存在！");
return;
}
Member Tian1=new Member();
Tian1.setId(Hui);
ArrayList Crr=MemberBusiness.select(Tian1);
if(Crr.isEmpty())
{
javax.swing.JOptionPane.showMessageDialog(this,
"该会员不存在！");
return;
}
if (id.length() == 0 ||Hui.length()==0||Password.length()==0||balance==0) {
javax.swing.JOptionPane.showMessageDialog(this,
"卡ID和会员ID，密码不能为空，余额不能为0！");
return;
}
else if(!id.matches("C[0-9]{3}"))
{javax.swing.JOptionPane.showMessageDialog(this,
"卡ID不符合约束！");
return;
}
else if(!Hui.matches("U[0-9{3}"))
{javax.swing.JOptionPane.showMessageDialog(this,
"会员ID不符合约束！");
return;
}
else if(Password.length()<6)
{javax.swing.JOptionPane.showMessageDialog(this,
"密码不能小于6位！");
return;
}
else{
Card stu = new Card();
stu.setId(id);
stu.setMemberId(Hui);
stu.setPassword(Password);
stu.setBalance(balance);
CardBusiness.insert(stu);
javax.swing.JOptionPane.showMessageDialog(this,
"添加成功！");
this.txtCardid.setText("");
this.txtMemberid.setText("");
this.txtPassword.setText("");
this.txtbalance.setText("");
this.txtCardid.requestFocus();}
}
public void txtCardid_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
txtMemberid.requestFocus();
}
}
public void txtMemberid_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
txtPassword.requestFocus();
}
}
public void txtPassword_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
txtbalance.requestFocus();
}
}
public void txtbalance_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
btnTian.requestFocus();
}
}
public void btnShan_actionPerformed(ActionEvent e) {
String id =(String)txtid.getText();
if(!id.startsWith("C"))
{javax.swing.JOptionPane.showMessageDialog(this,
"卡ID不符合约束！");
return;
}
//把学号封装到一个实体类对象中，用来在不同层传递数据
Card stu = new Card();
stu.setId(id);
//删除
CardBusiness.delete(stu);
javax.swing.JOptionPane.showMessageDialog(this,
"删除成功！");
}
public void txtid_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
btnShan.requestFocus();
}
}
public void btnXiou_actionPerformed(ActionEvent e) {
String id=(String)txtCardid1.getText();
String Hui=(String)txtMemberid1.getText();
String Password=new String(txtPassword1.getPassword());
double balance=Double.parseDouble(txtbalance2.getText());
if (id.length() == 0 ||Hui.length()==0||Password.length()==0||balance==0) {
javax.swing.JOptionPane.showMessageDialog(this,
"卡ID和会员ID，密码不能为空，余额不能为0！");
return;
}
else if(!id.matches("C[0-9]{3}"))
{javax.swing.JOptionPane.showMessageDialog(this,
"卡ID不符合约束！");
return;
}
else if(!Hui.matches("C[0-9]{3}"))
{javax.swing.JOptionPane.showMessageDialog(this,
"会员ID不符合约束！");
return;
}
else if(Password.length()<6)
{javax.swing.JOptionPane.showMessageDialog(this,
"密码不能小于6位！");
return;
}
Card stu = new Card();
stu.setId(id);
stu.setMemberId(Hui);
stu.setPassword(Password);
stu.setBalance(balance);
CardBusiness.update(stu);
javax.swing.JOptionPane.showMessageDialog(this,
"修改成功！");
}
public void txtCardid1_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
txtMemberid1.requestFocus();
}
}
public void txtMemberid1_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
txtPassword1.requestFocus();
}
}
public void txtPassword1_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
txtbalance2.requestFocus();
}
}
public void txtbalance2_keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
btnXiou.requestFocus();
}
}
public void btnCha_actionPerformed(ActionEvent e) {
Card stu = new Card();
//接收用户输入要查找的学员姓名.
String xingMing = (String)txtCardid2.getText();
if(!xingMing.startsWith("C"))
{
javax.swing.JOptionPane.showMessageDialog(this,
"卡ID不符合约束！");
return;
}
//把学员姓名封装到一个实体类对象中，用来在不同层传递数据。
stu.setId(xingMing);
//调用业务类方法，返回集合类对象．
ArrayList arr = CardBusiness.select(stu);
//如果没有任何学员纪录
if (arr.isEmpty())
System.out.println("没有找到任何卡纪录!");
else {
//循环显示集合类中每个学员的信息
System.out.println("\n一共"+arr.size()+"个卡的信息如下：");
for (int i = 0; i < arr.size(); i++) {
stu = (Card) arr.get(i);
txtMemberid2.setText(stu.getMemberId() );
txtPassword2 .setText(""+stu.getPassword());
txtbalance3.setText(""+stu.getBalance());
}
}
}
public void jButton5_actionPerformed(ActionEvent e) {
weiZhi++;
if (weiZhi >(arr.size()-1)) //判断是否是最后一条纪录
weiZhi = arr.size()-1;
Card stu = (Card) arr.get(weiZhi);
//设计界面文本框中的值
this.txtCardid3.setText("" + stu.getId());
this.txtMemberid3.setText(stu.getMemberId());
this.txtPassword3.setText("" + stu.getPassword());
this.txtbalance4.setText("" + stu.getBalance());
}
public void btnDiYi_actionPerformed(ActionEvent e) {
weiZhi = 0;
Card stu = (Card) arr.get(weiZhi);
//设计界面文本框中的值
this.txtCardid3.setText("" + stu.getId());
this.txtMemberid3.setText(stu.getMemberId());
this.txtPassword3.setText("" + stu.getPassword());
this.txtbalance4.setText("" + stu.getBalance());
}
public void btnQian_actionPerformed(ActionEvent e) {
weiZhi--;
if (weiZhi < 0) //判断是否是第一条纪录
weiZhi = 0;
Card stu = (Card) arr.get(weiZhi);
//设计界面文本框中的值
this.txtCardid3.setText("" + stu.getId());
this.txtMemberid3.setText(stu.getMemberId());
this.txtPassword3.setText("" + stu.getPassword());
this.txtbalance4.setText("" + stu.getBalance());
}
public void btnZuiHou_actionPerformed(ActionEvent e) {
weiZhi = arr.size() - 1;
Card stu = (Card) arr.get(weiZhi);
this.txtCardid3.setText("" + stu.getId());
this.txtMemberid3.setText(stu.getMemberId());
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -