client.java

java学习课件

//学生注册登记客户端程序Client.java
import java.awt.*;
import javax.swing.*;
import java.rmi.*;
import java.awt.event.*;
public class Client extends JFrame 
{
 JPanel query,insert,delete,modify; //定义查询、插入、删除、修改四个界面容器
 StudentManager server;  //定义接口变量
 public Client()  //构造器构造用户界面
{
  super("学生注册及注册信息维护");
  try
  {
   server=(StudentManager)Naming.lookup("rmi://localhost/StudentManager");
  }
  catch(Exception e)
  {
   System.out.println("RMI ERROR:"+e.toString());
  }
  getContentPane().setLayout(new GridLayout());
  JTabbedPane tabbedPane=new JTabbedPane();
  getContentPane().add(tabbedPane,new FlowLayout());
  query = new JPanel();
  insert = new JPanel();
  delete = new JPanel();
  modify = new JPanel();
  tabbedPane.addTab("查看",null,query,"Details");//添加对象query的标签
  tabbedPane.addTab("插入",null,insert,"Details");//添加对象insert的标签
  tabbedPane.addTab("删除",null,delete,"Details");//添加对象delete的标签
  tabbedPane.addTab("修改",null,modify,"Details");//添加对象modify的标签
  new Query(server,query); //创建查询界面
  new Insert(server,insert); //创建注册界面
  new Delete(server,delete); //创建删除界面
  new Modify(server,modify); //创建修改界面
  setDefaultCloseOperation(3);
  setSize(300,300); 
  setVisible(true);
 }
 public static void main(String [] args)
 { 
  new Client();
 }
}