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Permissions.java
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134 lines (115 loc) · 3.14 KB
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package view;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import database.FindBorrow;
import database.UpdateAdmin;
/**
* 修改权限界面
*
* @author K.X
*/
public class Permissions extends JFrame {
// 面板
private JPanel jPanel = new JPanel();
// 标签
private JLabel jLabel = new JLabel("用户名：");
private JLabel jLabel2 = new JLabel("选 项：");
// 文本框
private JTextField field = new JTextField(22);
// 下拉框
private JComboBox<String> box = new JComboBox<String>();
// 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");
private String s;
public Permissions() {
setSize(400, 450);
setTitle("修改权限");
// 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);
jLabel2.setFont(font2);
field.setFont(font2);
button.setFont(font3);
jLabel.setBounds(50, 150, 100, 30);
field.setBounds(150, 150, 185, 28);
jLabel2.setBounds(50, 225, 100, 30);
button.setBounds(47, 300, 288, 35);
// 下拉框
box.addItem("删除用户");
box.addItem("更改为用户");
box.addItem("添加为管理员");
box.setFont(font3);
box.setBounds(150, 225, 185, 28);
// box.setBackground(Color.cyan);
box.setOpaque(false);
//添加事件
addEvent();
jPanel.add(jLabel);
jPanel.add(field);
jPanel.add(jLabel2);
jPanel.add(box);
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() {
// 获取下拉列表值
s = "删除用户";
box.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
// TODO Auto-generated method stub
if (e.getStateChange() == ItemEvent.SELECTED) {
s = (String) e.getItem();
}
}
});
// 添加确定按钮事件
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
String user = field.getText().trim();
if(UpdateAdmin.sureuser(user)) {
if (s.equals("删除用户")) {
UpdateAdmin.deleteuser(user);
JOptionPane.showMessageDialog(null, "操作完成");
} else if (s.equals("更改为用户")) {
UpdateAdmin.updateuser(user);
JOptionPane.showMessageDialog(null, "操作完成");
}else if(s.equals("添加为管理员")) {
UpdateAdmin.updateadmin(user);
JOptionPane.showMessageDialog(null, "操作完成");
}
}else {
JOptionPane.showMessageDialog(null, "用户名不存在", "警告", JOptionPane.WARNING_MESSAGE);
}
}
});
}
}