scyh.java

这是一个用JAVA做的人力资源系统

import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class SCYH extends Frame implements ActionListener{
	String url="jdbc:odbc:test";
	Connection con;
	String sql;
	Statement stmt;
	TextField UserName = new TextField(15);
	Button ok = new Button("啊哈哈～就要删了你～");
	Button cancel = new Button("返回");
	public SCYH(){
		addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				setVisible(false);
			}
		});	
		setLayout(new BorderLayout());
		Panel panel1 = new Panel();
		panel1.add(new Label("输入你不顺眼的用户吧～哈哈～"));
		panel1.add(new Label("（注：同样，输入框为空即成功删除）"));
		add("North",panel1);
		Panel panel2 = new Panel();
		panel2.add(new Label("用户名："));
		panel2.add(UserName);
		add("Center",panel2);
		Panel panel3 = new Panel();
		panel3.add(ok);
		panel3.add(cancel);
		add("South",panel3);
		ok.addActionListener(this);
		cancel.addActionListener(this);
		UserName.addActionListener(this);
		setBackground(Color.lightGray);
		setSize(250,200);
		setVisible(true);
		setTitle("删除用户界面");
		setResizable(false);
		setLocationRelativeTo(null);
		}
	public void actionPerformed(ActionEvent e){
		if (e.getActionCommand().equals("啊哈哈～就要删了你～")|e.getSource()==UserName) 
		{ 
			String UN=UserName.getText();
			try{
				Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
			}catch(ClassNotFoundException e1){
				System.err.print("ClassNotFoundException:");
				System.err.print("e.getMessage()");
			}
			
			try{
				con = DriverManager.getConnection(url,"sa","sa");
				stmt = con.createStatement();
				String sql="Delete From usemen where 用户='"+UN+"'";
				stmt.executeUpdate(sql);
				stmt.close();
				con.close();
			}catch(SQLException ex){
				System.err.println("SQLException:"+ex.getMessage());
			}
			new Sucess();
			UserName.setText(null);		
		} 
		if (e.getActionCommand().equals("返回"))
		{
			setVisible(false);
		}

	}

}