e0b99377c5ab001d1c64eff6fc784107

超好用的企业员工信息管理系统

package frame;

import javax.swing.*;
import java.awt.*;
import java.util.*;
import javax.swing.tree.DefaultMutableTreeNode;
import com.DAO;
import java.sql.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.event.TreeSelectionListener;
public class DeptInfo{
	JFrame di = new JFrame("部门管理");
	JPanel p = new JPanel();
	JTree tree;
	public DeptInfo(){
		init();	
	}
	public void init(){
		di.add(p,BorderLayout.CENTER);
		di.setSize(new Dimension(500,400));
		//	确定mainFrame的显示位置(显示器中间)
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension frameSize = di.getSize();
		if(frameSize.height > screenSize.height){
			frameSize.height = screenSize.height;
		}
		if(frameSize.width > screenSize.width){
			frameSize.width = screenSize.width;
		}
		di.setLocation((screenSize.width-frameSize.width)/2,
				(screenSize.height-frameSize.height)/2);
		p.setLayout(new BorderLayout());
		initTree();
		p.add(tree);
		di.setVisible(true);
	}
	public void initTree(){
		
		//创建根节点
		DefaultMutableTreeNode root = new DefaultMutableTreeNode("公司部门名称");
		//创建支节点
		ResultSet rs1 = DAO.getDeptName();
		ResultSet rs2 = null;
		try{
			while(rs1.next()){
				String name = rs1.getString("dname");
				DefaultMutableTreeNode banch = new DefaultMutableTreeNode(name);
				root.add(banch);
				rs2 = DAO.getDeptkind(name);
				while(rs2.next()){
					DefaultMutableTreeNode node = new DefaultMutableTreeNode(rs2.getString("dkind"));
					banch.add(node);
				}
			}
		}catch(Exception e){
			System.out.println(e.getMessage());
		} 
		tree = new JTree(root);
		tree.setEditable(true);
	}

}