Init

src/me/xixu/manager/NewClass.java

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+package me.xixu.manager;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+
+import me.xixu.MainInterface;
+import me.xixu.database.TableOperate;
+
+public class NewClass extends JPanel implements ActionListener {
+	private JLabel label;
+	private JTextField tf_classnumber;
+	private JTextField tf_classname;
+	private JLabel lb_classnumber;
+	private JLabel lb_classname;
+	private JButton btn_submit;
+	private JButton back;
+
+	/**
+	 * Create the panel.
+	 */
+	public NewClass() {
+		setBackground(new Color(175, 238, 238));
+		setLayout(null);
+
+		label = new JLabel("\u65B0\u5EFA\u56FE\u4E66\u5E93");
+		label.setHorizontalAlignment(SwingConstants.CENTER);
+		label.setFont(new Font("宋体", Font.BOLD, 40));
+		label.setBounds(542, 20, 294, 105);
+		add(label);
+
+		lb_classnumber = new JLabel("\u5206\u7C7B\u7F16\u53F7\uFF1A");
+		lb_classnumber.setFont(new Font("宋体", Font.BOLD, 35));
+		lb_classnumber.setBounds(361, 260, 194, 55);
+		add(lb_classnumber);
+
+		tf_classnumber = new JTextField();
+		tf_classnumber.setFont(new Font("宋体", Font.BOLD, 35));
+		tf_classnumber.setColumns(10);
+		tf_classnumber.setBounds(555, 250, 399, 75);
+		add(tf_classnumber);
+
+		tf_classname = new JTextField();
+		tf_classname.setFont(new Font("宋体", Font.BOLD, 35));
+		tf_classname.setColumns(10);
+		tf_classname.setBounds(555, 431, 399, 75);
+		add(tf_classname);
+
+		lb_classname = new JLabel("\u5206\u7C7B\u540D\u79F0\uFF1A");
+		lb_classname.setFont(new Font("宋体", Font.BOLD, 35));
+		lb_classname.setBounds(361, 441, 194, 55);
+		add(lb_classname);
+
+		btn_submit = new JButton("\u63D0\u4EA4");
+		btn_submit.setFont(new Font("宋体", Font.BOLD, 35));
+		btn_submit.setBounds(585, 637, 251, 80);
+		add(btn_submit);
+		btn_submit.addActionListener(this);
+
+		back = new JButton("\u8FD4\u56DE");
+		back.setFont(new Font("宋体", Font.PLAIN, 26));
+		back.setBounds(0, 0, 115, 82);
+		add(back);
+		back.addActionListener(this);
+
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == back) {
+			// 点击返回按钮
+			MainInterface.NewClasstoManager();
+		} else if (e.getSource() == btn_submit) {
+			// 点击提交按钮
+			if (!TableOperate.isExist_Table(tf_classname.getText().toLowerCase() + "book")) {
+				TableOperate.newClass(tf_classnumber.getText(), tf_classname.getText());
+				tf_classnumber.setText("");
+				tf_classname.setText("");
+				JOptionPane.showMessageDialog(null, "恭喜", "添加新类别成功", JOptionPane.OK_CANCEL_OPTION);
+			} else {
+				JOptionPane.showMessageDialog(null, "该类别已存在", "添加新类别失败", JOptionPane.ERROR_MESSAGE);
+			}
+
+		}
+	}
+}