cateview.java

一个资产管理系统的源码

package zichan;
/*
 *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 CateView() {
        try {
            jbInit();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    public CatePanel p1;
   public CateView(Mydialog p2) {
        getContentPane().setLayout(new BorderLayout());
        p1 = new CatePanel();
        getContentPane().add(p1,BorderLayout.CENTER);
        getContentPane().add(p2,BorderLayout.SOUTH);

   }

    private void jbInit() throws Exception {
    }
}

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