swing 开发常用方法

import java.awt.Container;
import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

class Charge{
    JFrame frame=new JFrame("ChargeFeeConsole");
    Container cont=frame.getContentPane();
    JTabbedPane tab=null;
    JPanel pan1=new JPanel();
    JPanel pan2=new JPanel();
    public ChargeFeeConsole1() {
        tab=new JTabbedPane(JTabbedPane.TOP);
        JButton but=new JButton("按钮");
        JLabel lab=new JLabel("标签");
        pan1.setBorder(BorderFactory.createTitledBorder("文件设置"));
        pan1.setLayout(new GridLayout(1,3));
        pan1.add(but);
        pan2.add(lab);
        tab.addTab("fdf", pan1);
        tab.addTab("文字选项", pan2);
        cont.add(tab);
        frame.pack();
        frame.setSize(330,120);
        frame.setLocation(300, 200);
        frame.setVisible(true);
    }
    
    
}
public class ChargeFee {
    public static void main(String[] args) {
        
        new Charge();
        
    }
    
}