一個根據(jù)配置文件對數(shù)據(jù)庫進行增刪改查的三層架構(gòu)解決方法

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.BorderLayout;
import javax.swing.JButton;
import java.util.TreeMap;

public class ProjectForm extends JFrame{
	public String nameString;
	public JPanel panel ;
	public TreeMap TextFieldList = new TreeMap();
	public ProjectForm() {
	
	panel = new JPanel();
	getContentPane().add(panel, BorderLayout.CENTER);
	panel.setLayout(null);
	
	JPanel panel_1 = new JPanel();
	panel_1.setBounds(82, 5, 265, 33);
	panel.add(panel_1);
	
	JButton btnNew = new JButton("New");
	panel_1.add(btnNew);
	
	JButton btnSave = new JButton("Save");
	panel_1.add(btnSave);
	
	JButton btnClear = new JButton("Clear");
	panel_1.add(btnClear);
	
	JButton btnDelete = new JButton("Delete");
	panel_1.add(btnDelete);
	}
}

import java.io.File;
import java.util.List;
import javax.swing.JLabel;
import javax.swing.JTextField;
import org.jdom2.*;
import org.jdom2.input.SAXBuilder;

public class FormCreator {
	static ProjectForm CreateForm(String name)
	{
	ProjectForm form = new ProjectForm();
	form.nameString = name;
	String filename = "D:\\work eclipse\\1.xml";
	int topx = 20;
	int topy = 80;
	int Labelwidth = 100;
	int LabelHeight = 15;
	int gapy = 30;
	int textwidth = 300;
	try 
	{
	SAXBuilder builder = new SAXBuilder();
	org.jdom2.Document document;
	File file = new File(filename);
	document = builder.build(file);
	Element rootElement = document.getRootElement();
	List tableList = rootElement.getChildren();
	
	for (int i = 0; i < tableList.size(); i++) 
	{
	Element node = tableList.get(i);
	String tNameString = node.getAttribute("name").getValue();
	if(!tNameString.equalsIgnoreCase(name))
	{
	continue;
	}
	List tablefeilds = node.getChildren();
	for(int j=0;j UIfeilds = feildnode.getChildren();
	for(int k=0;k