cateview.java

java课程的资料以及实验的代码

/*
 *CateView.java：建立资产类别管理界面（类）。
 *包括：增、删、改3个子界面。
 */
 
import javax.swing.*;
import java.awt.*;
public class CateView extends JDialog   {
   public CatePanel p1;
   public CateView(ButPanel p2) {
  	getContentPane().setLayout(new BorderLayout());
  	p1 = new CatePanel();
  	getContentPane().add(p1,BorderLayout.CENTER);
  	getContentPane().add(p2,BorderLayout.SOUTH);
  	
   }
}

class CatePanel extends JPanel  {
   private Container cont;
   private GridBagLayout layout;
   private GridBagConstraints cons;
   JLabel lblCateId ;
   JLabel lblCateName ;
   JLabel lblSubCateId ;
   JLabel lblSubCateName ;
   public JTextField jtfCateId ;
   public JTextField jtfCateName ;
   public JTextField jtfSubCateId ;
   public JTextField jtfSubCateName ;
   
   public CatePanel() {
   	cont = this;
   	layout = new GridBagLayout();
   	cont.setLayout(layout);
   	cons = new GridBagConstraints();
   	
   	lblCateId = new JLabel("主类编号");
  	lblCateName = new JLabel("主类名称");
  	lblSubCateId = new JLabel("子类编号");
  	lblSubCateName = new JLabel("子类名称");
        jtfCateId = new JTextField(10);
  	jtfCateName = new JTextField(10);
  	jtfSubCateId = new JTextField(10);
  	jtfSubCateName = new JTextField(10);
        
        addComponent(lblCateId,0,0,1,1);
        addComponent(jtfCateId,0,1,1,1);
  	addComponent(lblCateName,1,0,1,1);
  	addComponent(jtfCateName,1,1,1,1);
  	addComponent(lblSubCateId,2,0,1,1);
  	addComponent(jtfSubCateId,2,1,1,1);
  	addComponent(lblSubCateName,3,0,1,1);
        addComponent(jtfSubCateName,3,1,1,1);
       
        setVisible(true);
   }
   
   private void addComponent(Component comp,
   	int row,int column,int width,int height) {
   		cons.gridx = column;
   		cons.gridy = row;
   		cons.gridwidth = width;
   		cons.gridheight = height;
   		layout.setConstraints(comp,cons);
   		cont.add(comp);
   }
}

class AddCateView extends CateView {
	public AddCateView(ButPanel p) {
		super(p);
		setTitle("增加类别");
	}
}
class UptCateView extends CateView {
	public UptCateView(ButPanel p) {
		super(p);
		setTitle("修改类别");
	}
}
class DelCateView extends CateView {
	public DelCateView(ButPanel p) {
		super(p);
		setTitle("删除类别");
	}
}