?? bookadd.java
字號:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class BookAdd extends JFrame implements ActionListener
{
DataBaseManager db=new DataBaseManager();
ResultSet rs;
JPanel panel1,panel2;
JLabel BookNameLabel,PressNameLabel,
AuthorLabel,AddressLabel,
PressDateLabel,PriceLabel,BookCountLabel,CommentLabel;
JTextField BookNameTextField,PressNameTextField,
AuthorTextField,AddressTextField,
PressDateTextField,PriceTextField,BookCountTextField,CommentTextField;
Container c;
JButton ClearBtn,AddBtn,ExitBtn;
public BookAdd()
{
super("添加書籍信息");
c=getContentPane();
c.setLayout(new BorderLayout());
BookNameLabel=new JLabel("名稱",JLabel.CENTER);
PressNameLabel=new JLabel("出版社",JLabel.CENTER);
AuthorLabel=new JLabel("作者",JLabel.CENTER);
AddressLabel=new JLabel("地址",JLabel.CENTER);
PressDateLabel=new JLabel("出版日期",JLabel.CENTER);
PriceLabel=new JLabel("價格",JLabel.CENTER);
BookCountLabel=new JLabel("新書數目",JLabel.CENTER);
CommentLabel=new JLabel("備注",JLabel.CENTER);
BookNameTextField=new JTextField(15);
PressNameTextField=new JTextField(15);
AuthorTextField=new JTextField(15);
AddressTextField=new JTextField(15);
PressDateTextField=new JTextField(15);
PriceTextField=new JTextField(15);
BookCountTextField=new JTextField(15);
CommentTextField=new JTextField(15);
panel1=new JPanel();
panel1.setLayout(new GridLayout(8,2));
panel1.add(BookNameLabel);
panel1.add(BookNameTextField);
panel1.add(PressNameLabel);
panel1.add(PressNameTextField);
panel1.add(AuthorLabel);
panel1.add(AuthorTextField);
panel1.add(AddressLabel);
panel1.add(AddressTextField);
panel1.add(PressDateLabel);
panel1.add(PressDateTextField);
panel1.add(PriceLabel);
panel1.add(PriceTextField);
panel1.add(BookCountLabel);
panel1.add(BookCountTextField);
panel1.add(CommentLabel);
panel1.add(CommentTextField);
panel2=new JPanel();
panel2.setLayout(new GridLayout(1,3));
ClearBtn=new JButton("清空");
ClearBtn.addActionListener(this);
AddBtn=new JButton("添加");
AddBtn.addActionListener(this);
ExitBtn=new JButton("退出");
ExitBtn.addActionListener(this);
panel2.add(ClearBtn);
panel2.add(AddBtn);
panel2.add(ExitBtn);
c.add(panel1,BorderLayout.CENTER);
c.add(panel2,BorderLayout.SOUTH);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==ExitBtn)
{
db.closeConnection();
this.dispose();
}
else if(e.getSource()==ClearBtn)
{
BookNameTextField.setText("");
PressNameTextField.setText("");
AuthorTextField.setText("");
AddressTextField.setText("");
PressDateTextField.setText("");
PriceTextField.setText("");
BookCountTextField.setText("");
CommentTextField.setText("");
}
else if(e.getSource()==AddBtn)
{
if(BookNameTextField.getText().trim().equals(""))
{
JOptionPane.showMessageDialog(null,"書名不能為空!");
}
else if(PressNameTextField.getText().trim().equals(""))
{
JOptionPane.showMessageDialog(null,"出版社不能為空!");
}
else if(AuthorTextField.getText().trim().equals(""))
{
JOptionPane.showMessageDialog(null,"作者不能為空!");
}
else if(BookCountTextField.getText().trim().equals(""))
{
JOptionPane.showMessageDialog(null,"新書數目不能為空!");
}
else
{
try
{
String strSQL="insert into books(bookname,press,author,address,pressDate,price,books_count,com) values('"+
BookNameTextField.getText().trim()+"','"+
PressNameTextField.getText().trim()+"','"+
AuthorTextField.getText().trim()+"','"+
AddressTextField.getText().trim()+"','"+
PressDateTextField.getText().trim()+"','"+
PriceTextField.getText().trim()+"','"+
BookCountTextField.getText().trim()+"','"+
CommentTextField.getText().trim()+"')";
if(db.updateSql(strSQL))
{
JOptionPane.showMessageDialog(null,"添加書籍成功!");
this.dispose();
}
else
{
JOptionPane.showMessageDialog(null,"添加書籍失敗!");
this.dispose();
}
db.closeConnection();
}
catch(Exception ex)
{
System.out.println(ex.toString());
}
}
}
}
}
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