zgz.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 ZGZ extends Frame implements ActionListener{
	String url="jdbc:odbc:test";
	Connection con;
	String sql,sql1;
	Statement stmt;
	TextField UserNo = new TextField(15);
	TextArea ta=new TextArea(5,50);
	Button ok = new Button("马上给我结果～");
	Button cancel = new Button("取消");

	public ZGZ(){
		addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				setVisible(false);
			}
		});	
		setLayout(new BorderLayout());
		Panel panel1 = new Panel();
		panel1.add(new Label("请输入工资计算条件"));
		add("North",panel1);
		Panel panel2 = new Panel();
		panel2.add(new Label("员工号："));
		panel2.add(UserNo);
		panel2.add(ta,BorderLayout.WEST);
		add("Center",panel2);
		Panel panel3 = new Panel();
		panel3.add(ok);
		panel3.add(cancel);
		add("South",panel3);
		ok.addActionListener(this);
		cancel.addActionListener(this);
		UserNo.addActionListener(this);
		setSize(450,250);
		setVisible(true);
		setTitle("工资计算");
		setResizable(false);
		setLocationRelativeTo(null);
		}
	public void actionPerformed(ActionEvent e){
		if (e.getActionCommand().equals("马上给我结果～")|e.getSource()==UserNo) 
		{ 
			String UN=UserNo.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 sql1="select * from salary where 员工号='"+UN+"'";
	    		stmt=con.createStatement();
	    		ResultSet rs1=stmt.executeQuery(sql1);
	    		if(rs1.next()){
	    			String x="员工号："+rs1.getString("员工号")+"  经过计算，你该付给他的总工资是～："+rs1.getString("总工资")+"\n";
	    			ta.append(x);
	    			UserNo.setText(null);
		    	
	    	}			
			else{
				new Error();
				}
			stmt.close();
			con.close();
			}catch(SQLException ex){
				System.err.println("SQLException:"+ex.getMessage());
			}
			
		} 
		if (e.getActionCommand().equals("取消"))
		{
			setVisible(false);
		}

	}
	
}