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AddCategory.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 database.Category;

public class AddCategory extends JFrame{

// 面板

private JPanel jPanel = new JPanel();

// 标签

private JLabel jLabel = new JLabel("类别名：");

// 文本框

private JTextField field = new JTextField(22);

// 字体

private Font font2 = new Font("宋体", Font.BOLD, 22);

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

// 按钮 修改

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

public AddCategory() {

setSize(400, 450);

setTitle("添加图书类别");

// 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(font2);

button.setFont(font3);

jLabel.setBounds(50, 180, 100, 30);

field.setBounds(150, 180, 185, 28);

button.setBounds(47, 270, 288, 35);

//添加事件

addEvent();

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);

}

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

String s = field.getText().trim();

if(Category.addcategory(s)) {

JOptionPane.showMessageDialog(null, "操作完成");

}

}

});

}

}