useradd.java

用java语言编写的银行管理系统

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;

public class UserAdd extends JFrame implements ActionListener
{
	JLabel[] Jl={new JLabel("    名字"),new JLabel("    地址"),
	new JLabel("  邮政编码"),new JLabel("    电话"),new JLabel("   身份证号")
	};
	JTextField []Jt={new JTextField(8),new JTextField(8),
	new JTextField(8),new JTextField(8),new JTextField(8)
	};
	Container c;
	JButton []Jb={new JButton("确认"),new JButton("取消")
	};
		
	public UserAdd()
	{
		super("开设帐户");
		
		c=getContentPane();
		c.setLayout(new GridLayout(6,2));
		for(int i=0;i<Jl.length;i++)
		{
			c.add(Jl[i]);
			c.add(Jt[i]);
		}
		c.add(Jb[0]);
		c.add(Jb[1]);
		Jb[0].addActionListener(this);
		Jb[1].addActionListener(this);	
		
	    setSize(240,180);
               show();
        setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
	}
	
	public void actionPerformed(ActionEvent e)
	{
	   if(e.getSource()==Jb[0])
	   {
	   	 String user=Jt[1].getText(); 
            
         if((user.length()==0))
            {
               System.out.println("用户名不能为空！");
             }
               
          else
		     {
		     	try{
                   Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");//声明驱动程序
                   String url="jdbc:odbc:info";//指定数据源名
                   Connection con=DriverManager.getConnection(url);//连接数据库
            
           PreparedStatement stm=con.prepareStatement
           ("insert into 客户信息 values(?,?,?,?)");
           ResultSet result=stm.executeQuery();
           //下面为置插入语句中的参数值
           String  count=null;
           while(result.next())
           {
           	  count=result.getString(1);
           }
           int ct=Integer.parseInt(count);
           ct++;
           stm.setString(1,(""+ct));
           stm.setString(2,"888888");
           stm.setString(3,"user");
           stm.setString(4,"0");
           try
           {
             stm.executeQuery();
            }
            //执行插入操作
            catch(Exception edfh)
            {}
      
           try
           {
             stm.executeQuery();
            }catch(Exception ev){}
       
                 
			     con.close();
                }catch(Exception ev){}
                
               }       
               
	   	  this.dispose();
	   	  new NewUser();
	   }
	   else
	   {
	   	    int n = JOptionPane.showConfirmDialog(
						this, "是否真的要退出", "退出窗口",
						JOptionPane.YES_NO_OPTION );
			if( n==JOptionPane.YES_OPTION )
			{
				this.dispose();
				new Login();
			}
	   }		
	}	
	
	public void windowClosed(WindowEvent e)
	{
		new Login();
	}
	
	public void windowActivated(WindowEvent e)
 	{
 	}
 	
 	public void windowClosing(WindowEvent e)
 	{
 	}
	
	public void windowDeactivated(WindowEvent e)
	{
	}
	
	public void windowDeiconified(WindowEvent e)
	{
	}
	
	public void windowIconified(WindowEvent e)
	{
	}
	
	public void windowOpened(WindowEvent e)
	{
	}
	
    public static void main(String args[])
	{
		new UserAdd();	
	}	
}