做网站时，感觉数据库的设计比较重要，当花了很多时间设计好数据库时，就希望有一个能自动生成bean的工具，虽然Eclipse的插件能反向生成bean和hibernate的配置文件，但总感觉不够灵活，不够小到随意简单使用。但又实在不想去敲代码写一个个很多属性的bean。网上没找着现成合适的，于是就花了点时间自己写了个生成工具玩玩，也希望能给需要的朋友们一点点帮助~~

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直接放出可执行的exe程序和源码了，喜欢且需要的朋友尽管拿去用。

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MySQLToBean.java

package org.just.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.JCheckBox;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

import java.awt.Color;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

/**
 * 此类用来将mysql的表直接生成Bean
 * 
 * @author childlikeman@gmail.com
 */
public class MySQLToBean extends JFrame {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private JCheckBox checkBox;
	Properties p = new Properties();
	String configFile = "config.ini";
	private JLabel lblNewLabel_4;

	public MySQLToBean() {

		setResizable(false);

		setTitle("MySQL生成javabean小工具");
		setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

		setBounds(100, 100, 484, 324);

		JPanel panel = new JPanel();
		getContentPane().add(panel, BorderLayout.CENTER);
		panel.setLayout(null);

		txtLocalhost = new JTextField();
		txtLocalhost.setText("localhost");
		txtLocalhost.setBounds(146, 10, 147, 21);
		panel.add(txtLocalhost);
		txtLocalhost.setColumns(10);

		JLabel lblIp = new JLabel("IP:");
		lblIp.setBounds(80, 13, 30, 15);
		panel.add(lblIp);

		JLabel label = new JLabel("数据库:");
		label.setBounds(80, 42, 54, 15);
		panel.add(label);

		textField = new JTextField();
		textField.setBounds(146, 39, 147, 21);
		panel.add(textField);
		textField.setColumns(10);

		JLabel label_1 = new JLabel("表名:");
		label_1.setBounds(80, 127, 54, 15);
		panel.add(label_1);

		textField_1 = new JTextField();
		textField_1.setBounds(146, 124, 147, 21);
		panel.add(textField_1);
		textField_1.setColumns(10);

		JLabel label_2 = new JLabel("包名:");
		label_2.setBounds(79, 156, 54, 15);
		panel.add(label_2);

		txtComyourcom = new JTextField();
		txtComyourcom.setText("com.yourcom.bean");
		txtComyourcom.setBounds(146, 155, 147, 21);
		panel.add(txtComyourcom);
		txtComyourcom.setColumns(10);

		JLabel lblNewLabel = new JLabel("输出目录：");
		lblNewLabel.setBounds(80, 190, 65, 15);
		panel.add(lblNewLabel);

		textField_3 = new JTextField();
		textField_3.setBounds(146, 186, 147, 21);
		panel.add(textField_3);
		textField_3.setColumns(10);

		checkBox = new JCheckBox("生成包结构目录");
		checkBox.setSelected(true);
		checkBox.setBounds(145, 213, 147, 23);
		panel.add(checkBox);

		JLabel lblNewLabel_1 = new JLabel("可以指定表名，也可以不指定");
		lblNewLabel_1.setBounds(303, 127, 176, 15);
		panel.add(lblNewLabel_1);

		JLabel lblNewLabel_2 = new JLabel("* 数据库名");
		lblNewLabel_2.setForeground(Color.RED);
		lblNewLabel_2.setBounds(303, 42, 66, 15);
		panel.add(lblNewLabel_2);

		JLabel lblNewLabel_3 = new JLabel("* 包结构");
		lblNewLabel_3.setForeground(Color.RED);
		lblNewLabel_3.setBounds(303, 158, 79, 15);
		panel.add(lblNewLabel_3);

		JButton button = new JButton("执行");
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				go();
			}
		});
		button.setBounds(145, 242, 93, 23);