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DeleteBook.java

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package view;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.table.DefaultTableModel;

import database.Book;

import database.FindBook;

public class DeleteBook extends JFrame {

// 面板

private JPanel jPanel = new JPanel();

// 标签

private JLabel jLabel = new JLabel("书号：");

private JLabel jLabel2 = new JLabel("删除图书");

// 文本框

private JTextField field = new JTextField(22);

// 字体

private Font font2 = new Font("宋体", Font.BOLD, 24);

private Font font3 = new Font("宋体", Font.BOLD, 18);

private Font font4 = new Font("宋体", Font.BOLD, 40);

// 按钮 修改

private JButton button = new JButton("确 定");

// 表格 用于更新图书搜索界面的表格

public DefaultTableModel model = new DefaultTableModel();

public DeleteBook() {

setSize(400, 450);

setTitle("删除图书");

// 改变背景图片

Icon i = new ImageIcon("img\\ah.jpg");

JLabel Label = new JLabel(i);

Label.setBounds(0, 0, 400, 100);

jLabel.setFont(font2);

field.setFont(font3);

button.setFont(font3);

jLabel2.setFont(font4);

jLabel2.setBounds(100, 110, 200, 60);

jLabel.setBounds(55, 210, 100, 30);

field.setBounds(140, 210, 185, 28);

button.setBounds(47, 300, 288, 35);

// 添加事件

addEvent();

jPanel.add(jLabel2);

jPanel.add(jLabel);

jPanel.add(field);

jPanel.add(button);

jPanel.setLayout(null);

jPanel.setBounds(0, 0, 600, 400);

jPanel.setOpaque(false);

add(jPanel);

add(Label);

// 不可以改变窗体的大小

setResizable(false);

setLocationRelativeTo(null);

setLayout(null);

setVisible(true);

}

public void setModel(DefaultTableModel model) {

this.model = model;

}

private void addEvent() {

// 添加确定按钮事件

button.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

try {

int bookid = Integer.parseInt(field.getText().trim());

Book.deletebook(bookid);

model.setRowCount(0);

FindBook.allbook(model);

JOptionPane.showMessageDialog(null, "操作成功");

} catch (Exception e1) {

}

}

});

}

}