📄 signinpanel.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
//import java.awt.Color;
public class SignInPanel extends JPanel{
public JLabel bTitle=new JLabel(" 北京语言大学2008年Java选择题 (注意单选或多选) ");
private JLabel bName=new JLabel(" 姓名 : ");
private JLabel bClass=new JLabel(" 班级 : ");
private JLabel bNumber=new JLabel(" 学号 : ");
public JTextField tName;
public JComboBox comboClass;
public JTextField tNumber;
// public String pName;
// public String pClass;
// public String pNumber;
public JButton bStart=new JButton("开始答题");
public String names[] =
{ " 计算机1班 ", " 计算机2班 ", " 信管1班 ", " 信管2班 "};
public SignInPanel(){
setLayout(new FlowLayout(1,70,40));
add(bTitle);
bTitle.setSize(450,40);
bTitle.setFont(new Font("华文新魏",Font.BOLD,21));
bTitle.setBorder(BorderFactory.createLineBorder(Color.orange,3));
add(bName);
bName.setSize(140,40);
bName.setBorder(BorderFactory.createLineBorder(Color.red,3));
tName=new JTextField(25);
add(tName);
add(bClass);
bClass.setSize(100,40);
bClass.setBorder(BorderFactory.createLineBorder(Color.red,3));
comboClass=new JComboBox(names);
add(comboClass);
comboClass.setMaximumRowCount( 4 );
add(bNumber);
bNumber.setSize(100,40);
bNumber.setBorder(BorderFactory.createLineBorder(Color.red,3));
tNumber=new JTextField(25);
add(tNumber);
add(bStart);
bStart.setEnabled(false);
setVisible(true);
}
}
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