insertstudent.java

自己用java编写的基于B/S的在线考试系统

import java.awt.FlowLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
public class InsertStudent extends JDialog implements ActionListener {
	JTextField id, name, age, address;

	JLabel id1, name1, sex1, age1, address1, empty;

	JRadioButton sexB, sexG;

	JButton yes, no;

	ButtonGroup group;

	JPanel p1, p2, p3, p4, p5, p6, p7, p8;
	
	String sex = "男";

	Student student = null;

	InsertStudent(JFrame f, String s, boolean b) {
		super(f, s, b);
		setLayout(new FlowLayout());
		p1 = new JPanel();
		p2 = new JPanel();
		p3 = new JPanel();
		p4 = new JPanel();
		p5 = new JPanel();
		p6 = new JPanel();
		id = new JTextField(10);
		name = new JTextField(10);
		group = new ButtonGroup();
		sexB = new JRadioButton("男", true);
		sexG = new JRadioButton("女");
		sexB.addActionListener(this);
		sexG.addActionListener(this);
		age = new JTextField(10);
		address = new JTextField(10);
		id1 = new JLabel("学号:");
		name1 = new JLabel("姓名:");
		sex1 = new JLabel("性别:     ");
		age1 = new JLabel("年龄:");
		address1 = new JLabel("住址:");
		empty = new JLabel("   ");
		yes = new JButton("添加");
		no = new JButton("取消");
		yes.addActionListener(this);
		no.addActionListener(this);
		group.add(sexB);
		group.add(sexG);
		p1.add(id1);
		p1.add(id);
		p2.add(name1);
		p2.add(name);
		p3.add(sex1);
		p3.add(sexB);
		p3.add(empty);
		p3.add(sexG);
		p4.add(age1);
		p4.add(age);
		p5.add(address1);
		p5.add(address);
		p6.add(yes);
		p6.add(no);
		add(p1);
		add(p2);
		add(p3);
		add(p4);
		add(p5);
		add(p6);
		setSize(230, 301);
		setResizable(false);
		setLocation(250, 180);
		this.setVisible(true);
		this.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				Window w = e.getWindow();
				w.setVisible(false);
				w.dispose();
			}
		});
		validate();
	}
	public void actionPerformed(ActionEvent e) {
		if (e.getSource() == yes) {
			String name= this.name.getText().trim();
			String idStr =this.id.getText().trim();
			student = new Student();
			boolean flag = false;
			boolean flag1 = false;
			String message = age.getText();
			char[] atmp = message.toCharArray();
			char[] idtmp = idStr.toCharArray();
			for (int i = 0; i < atmp.length; i++) {
				if ('1' <= atmp[i] && atmp[i] <= '9') {
					flag = true;
				}
			}
			for (int i = 0; i < idtmp.length; i++) {
				if ('1' <= idtmp[i] && idtmp[i] <= '9') {
					flag1 = true;
				}
			}
			if (flag1) {
				if (flag) {
					StudentManager stm = new StudentManager();
					student.setId(Integer.parseInt(idStr));
					student.setName(name);
					student.setSex(sex);
					if(stm.insertStudent(student)){
						JOptionPane.showMessageDialog(this, "添加成功！！", "消息",
								JOptionPane.WARNING_MESSAGE);
						id.setText(null);
						this.name.setText(null);
						this.age.setText(null);
						this.address.setText(null);
					}else{
						JOptionPane.showMessageDialog(this, "添加失败！！", "消息",
								JOptionPane.WARNING_MESSAGE);
						id.setText(null);
						this.name.setText(null);
						this.age.setText(null);
						this.address.setText(null);
					}
				} else {
					JOptionPane.showMessageDialog(this, "年龄是无效字符！！", "消息",
							JOptionPane.WARNING_MESSAGE);
					this.age.setText(null);
				}

			} else {
				JOptionPane.showMessageDialog(this, "ID是无效字符！！", "消息",
						JOptionPane.WARNING_MESSAGE);
				id.setText(null);
			}

		}
		if(e.getSource()==sexB){
			sex="男";
		}
		if(e.getSource()==sexG){
			sex="女";	
		}
		if (e.getSource() == no) {
			this.setVisible(false);
			this.dispose();
		}
	}
}