学习java心得 二

import java.awt.Container;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

public class Login {
private JFrame frm;
public static void main(String[] args)
{

JFrame frm =new JFrame("邮箱登录界面");
Container contentPane = frm.getContentPane();
//获得框架中的内容面板
contentPane.setLayout(new FlowLayout());

JLabel show = new JLabel();
show.setText("请输入账号");
frm.add(show);

String[]things={"1362362@163.com","1561236@163.com","1314521@163.com","5211314@163.com"};
JComboBox comboBox=new  JComboBox(things);
frm.add(comboBox);

JButton Btn=new JButton("确定");
frm.add(Btn);

JLabel show1= new JLabel();
show1.setText("请输入密码");

frm.add(show1);

JTextField input =new JTextField();
input.setEditable(true);
input.setHorizontalAlignment(SwingConstants.LEFT);
input.setColumns(20);
frm.add( input);

JButton loginBtn=new JButton("登录");

frm.add(loginBtn);
frm.setBounds(400,200,300,160);
frm.setVisible(true);
}}