myframe.java

jfreechart 柱状图 均值图 和值图 实例

package com.text;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JToolBar;
import javax.swing.table.TableModel;

import com.query.Employee;
import com.query.QueryData;
import com.text2.MyDialog;

public class MyFrame extends JFrame{
	JPanel tablejp;
	JTable table;
	TableModel tablemodel;
	String[][] strDatas;
	String[] strColnames;
	public MyFrame(){
		super();
		initContrl();
	}
	public MyFrame(String title){
		super(title);
		initContrl();
	}
	private void initContrl(){
		Container root=this.getContentPane();
		root.setLayout(new BorderLayout());
		//创建工具条
		JPanel toolbarjp=crateToolbar();
		//创建表格
		tablejp =createTable();
		root.add(toolbarjp,BorderLayout.NORTH);
		root.add(tablejp,BorderLayout.CENTER);
	}
	private JPanel createTable(){
		JPanel jp =new JPanel();
		jp.setLayout(new BorderLayout());
		strDatas = new String[0][2];
		strColnames = new String[]{"employeeid","employeename"};
		tablemodel = new MyTableModel(strDatas,strColnames);
		table = new JTable(tablemodel);
		JScrollPane scrollpane = new JScrollPane(table);
		jp.add(scrollpane);
		return jp;
	}
	private JPanel crateToolbar(){
		JPanel jp =new JPanel();
		jp.setLayout(new BorderLayout());
		jp.setPreferredSize(new Dimension(800, 27));
		JToolBar c = new JToolBar();
		JButton item = new JButton("新增");
		item.setToolTipText("新增");
		item.setActionCommand("NEW");
		item.addActionListener(new MyAction());
		item.setFocusable(false);
		c.add(item);

		c.addSeparator(new Dimension(20, 0));

		item = new JButton("查询");
		item.setToolTipText("查询");
		item.setActionCommand("QUERY");
		item.addActionListener(new MyAction());
		item.setFocusable(false);
		c.add(item);

		jp.add(c);

		return jp;
	}
	public void onNew(){
		MyDialog dialog = new MyDialog(this);
		dialog.pack();
		dialog.setVisible(true);
	}
	class MyAction implements ActionListener{
		public MyAction(){
			
		}

		public void actionPerformed(ActionEvent e) {
			if(e.getActionCommand().equals("NEW")){
				onNew();
			}
			if(e.getActionCommand().equals("QUERY")){
				QueryData qd=new QueryData();
				Vector<Employee> v=qd.query();
				strDatas = new String[v.size()][2];
				strColnames = new String[]{"employeeid","employeename"};
				for(int i = 0 ; i<v.size();i++){
					Employee employee =v.get(i);
					strDatas[i][0]=employee.getEmployeeid();
					strDatas[i][1]=employee.getEmployeename();
				}
				tablemodel = new MyTableModel(strDatas,strColnames);
				table.setModel(tablemodel);
			}
		}
	}
	
	public static void main(String[] args){
		MyFrame frame=new MyFrame("text");
		frame.pack();
		frame.setVisible(true);
	}
}