?? addbookfrm.java
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import java.util.*;
import java.awt.*;
import java.io.*;
import java.net.*;
import java.sql.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JFrame;
class Addbookfrm extends JFrame implements ActionListener
{
JLabel l_msg,l_bookname,l_company,l_author,l_pdata,l_price,l_number,l_beizhu;
JTextField t_bookname,t_company,t_author,t_pdata,t_price,t_number,t_beizhu;
JButton b_clear,b_add,b_back;
JPanel pan1,pan2,pan3,pan4,pan5,pan6,pan7,pan8,pan9;
NetConn sql;
Statement sqll;
String a1,a2,a3,a4,a5,a6,a7;
Addbookfrm()
{
super("添加書籍窗口");
l_msg =new JLabel("添加書籍 ");
l_bookname=new JLabel("書 名: ");
l_company =new JLabel("出版社: ");
l_author =new JLabel("作 者: ");
l_pdata =new JLabel("出版日期:");
l_price =new JLabel("價 格:");
l_number =new JLabel("新書數量:");
l_beizhu =new JLabel("備 注:");
t_bookname=new JTextField("",10);
t_company =new JTextField("",10);
t_author =new JTextField("",10);
t_pdata =new JTextField("",10);
t_price =new JTextField("",10);
t_number =new JTextField("",10);
t_beizhu =new JTextField("",10);
b_clear =new JButton("清空");
b_add =new JButton("添加");
b_back =new JButton("返回");
b_clear.addActionListener(this);
b_add.addActionListener(this);
b_back.addActionListener(this);
pan1=new JPanel();pan2=new JPanel();pan3=new JPanel();pan4=new JPanel();pan5=new JPanel();pan6=new JPanel();pan7=new JPanel();pan8=new JPanel();pan9=new JPanel();
pan1.add(l_msg);pan2.add(l_bookname);pan2.add(t_bookname);pan3.add(l_company);pan3.add(t_company);
pan4.add(l_author);pan4.add(t_author);pan5.add(l_pdata);pan5.add(t_pdata);pan6.add(l_price);pan6.add(t_price);
pan7.add(l_number);pan7.add(t_number);pan8.add(l_beizhu);pan8.add(t_beizhu);pan9.add(b_clear);pan9.add(b_add);pan9.add(b_back);
setLayout(new GridLayout(9,1));
add(pan1);add(pan2);add(pan3);add(pan4);add(pan5);add(pan6);add(pan7);add(pan8);add(pan9);
sql=new NetConn();
setBounds(350,150,400,500);
}
public void actionPerformed(ActionEvent ec)
{
if(ec.getSource()==b_back)
{
dispose();
}
else if(ec.getSource()==b_clear)
{
t_bookname.setText("");
t_company.setText("");
t_author.setText("");
t_pdata.setText("");
t_price.setText("");
t_number.setText("");
t_beizhu.setText("");
l_msg =new JLabel("添加書籍 ");
}
else if(ec.getSource()==b_add)
{
if(t_bookname.getText().equals("")||t_company.getText().equals("")||t_author.getText().equals(""))
{
l_msg.setText("書名,出版社和作者不能為空!");
}
else
{
try
{
sqll=sql.connect();
a1="'"+t_bookname.getText().trim()+"'";
a2="'"+t_company.getText().trim()+"'";
a3="'"+t_author.getText().trim()+"'";
a4="'"+t_pdata.getText().trim()+"'";
a5="'"+t_price.getText().trim()+"'";
a6="'"+t_number.getText().trim()+"'";
a7="'"+t_beizhu.getText().trim()+"'";
l_msg.setText("1");
String temp="insert into books (bookname, company, author, pressdata, price, conun, beizhu) VALUES ("+a1+","+a2+","+a3+","+a4+","+a5+","+a6+","+a7+")";
sqll.executeUpdate(temp);
l_msg.setText("書籍添加成功");
}
catch(SQLException e3)
{}
}
}
}
}
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