Jframe Jdialog问题

package mywork.wash;import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
import javax.swing.*;
public class MainMenu extends JFrame implements ActionListener{
private JButton inButton=new JButton("收衣"),
      outButton=new JButton("取衣"),
      manageButton=new JButton("财务管理"),
      workerButton=new JButton("员工"),
      memberButton=new JButton("会员"),
inSure=new JButton("提交"),
outSure=new JButton("取出");
private JDialog jdialog;
private JTextField text1=new JTextField("",10),
   text2=new JTextField("",10),
   text3=new JTextField("",10),
   text4=new JTextField("",10),
   text5=new JTextField("",10),
   text6=new JTextField("",10);
public MainMenu(){
super("洗衣中心管理系统");
this.add(inButton);
this.add(outButton);
this.add(manageButton);
this.add(workerButton);
this.add(memberButton);
setLayout(new FlowLayout());
setSize(500,400);
setVisible(true);
outButton.addActionListener(this);
manageButton.addActionListener(this);
workerButton.addActionListener(this);
memberButton.addActionListener(this);
inButton.addActionListener(this);
}
public void actionPerformed(ActionEvent e){
if (e.getSource()==inButton) {
jdialog=new JDialog(this,"收衣",true);
jdialog.add(new JLabel("型号"));
jdialog.add(text1);
jdialog.add(new JLabel("会员号"));
jdialog.add(text2);
setLayout(new FlowLayout());
jdialog.setSize(800,800);  }

else if(e.getSource()==outButton){
jdialog=new JDialog(this,"取出",true);
jdialog.add(new JLabel("型号"));
jdialog.add(text1);
jdialog.add(new JLabel("会员号"));
jdialog.add(text2);
jdialog.add(inSure);
inSure.addActionListener(this);
jdialog.setSize(600,600);
jdialog.setVisible(true);
} else if(e.getSource()==manageButton){} else if(e.getSource()==workerButton){}
         
else{} 
} public static void main(String[] args){
new MainMenu();
}
}dialog显示不正确啊  请问各位哪里出错了  愁~~