数据库表生成javabean工具及源代码（修正版）

package com.itheima.frame; import java.awt.Button; import java.awt.Choice; import java.awt.FlowLayout; import java.awt.Font; import java.awt.Frame; import java.awt.Label; import java.awt.TextField; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.sql.Connection; import java.sql.SQLException; import com.itheima.domain.DBConfig; import com.itheima.domain.DBType; import com.itheima.utils.DbConnnect; import com.itheima.utils.XmlParser; public class MainFrame { private Frame mainframe; private TextField driverField, urlField, nameField, pswdField; private Choice dbChoice; private Button login; private DBConfig oldConfig; private DBConfig newConfig; private String dbType = DBType.MYSQL.name(); MainFrame() { init(); } public void init() { // 文本框 driverField = new TextField(40); urlField = new TextField(40); nameField = new TextField(40); pswdField = new TextField(40); // 选择框 dbChoice = new Choice(); dbChoice.add(DBType.MYSQL.name()); dbChoice.add(DBType.ORACLE.name()); dbChoice.add(DBType.SQLSERVER.name()); dbChoice.add(DBType.DB2.name()); // 登录按钮 login = new Button("Login-->>"); mainframe = new Frame("Table2JavaBean"); mainframe.setLayout(new FlowLayout(FlowLayout.RIGHT, 5, 5)); mainframe.setBounds(480, 220, 460, 220); mainframe.add(new Label("DRIVER:", Label.RIGHT)); mainframe.add(driverField); mainframe.add(new Label("URL:", Label.RIGHT)); mainframe.add(urlField); mainframe.add(new Label("USERNAME:", Label.RIGHT)); mainframe.add(nameField); mainframe.add(new Label("PASSWORD:", Label.RIGHT)); mainframe.add(pswdField); mainframe.add(new Label("DBChoice:", Label.RIGHT)); mainframe.add(dbChoice); mainframe.add(login); mainframe.setVisible(true); // 设置文本框内容字体 Font font = new Font("黑体", Font.PLAIN, 15); driverField.setFont(font); urlField.setFont(font); nameField.setFont(font); pswdField.setFont(font); // 初始化表单内容为mysql配置信息 setFieldText(DBType.MYSQL.name()); myEvent(); } public void myEvent() { mainframe.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); login.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { login(dbType); } }); dbChoice.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { dbType = dbChoice.getSelectedItem(); if ("SQLSERVER,DB2".contains(dbType)) { String lable = dbType + " 暂不支持"; new Message().alert(lable); // 信息重置为mysql dbChoice.select(0); dbType = DBType.MYSQL.name(); setFieldText(DBType.MYSQL.name()); return; } setFieldText(dbType); } }); } // 连接登录数据库 public void login(String dbType) { newConfig = getFieldText(); try { DbConnnect.loadDriver(newConfig.getDRIVER()); try { Connection conn = DbConnnect.getConnnection(newConfig.getURL(), newConfig.getUSERNAME(), newConfig.getPASSWORD()); // 如果用户修改登录信息则更新配置文件，以便下次记住用户配置 if (!oldConfig.equals(newConfig)) { XmlParser.updateConfig(newConfig, dbType); } String dbName = newConfig.getDBName(); new TableFrame(conn, DBType.valueOf(dbType), dbName); mainframe.setVisible(false); } catch (SQLException e) { new Message().alert("数据库连接失败"); } catch (Exception e) { new Message().alert("软件内部错误,请联系作者"); } } catch (ClassNotFoundException e) { new Message().alert("数据库驱动加载失败"); } } /** * * @方法名称:setFieldText * @描述: 将从xml文件中读取出来的信息赋给文本框，并返回旧的数据库配置信息 * @创建人：LiZhimin * @创建时间：2013-7-17 上午10:43:38 * @param dbType * @返回类型：void * @version V1.0 */ public DBConfig setFieldText(String dbType) { try { oldConfig = XmlParser.getConfig(dbType); driverField.setText(oldConfig.getDRIVER()); urlField.setText(oldConfig.getURL()); nameField.setText(oldConfig.getUSERNAME()); pswdField.setText(oldConfig.getPASSWORD()); return oldConfig; } catch (Exception e) { new Message().alert("软件内部错误,请联系作者"); } return null; } // 获取用户输入的信息 public DBConfig getFieldText() { newConfig = new DBConfig(); newConfig.setDRIVER(driverField.getText()); newConfig.setURL(urlField.getText()); newConfig.setUSERNAME(nameField.getText()); newConfig.setPASSWORD(pswdField.getText()); return newConfig; } // 启动软件 public static void main(String[] args) { new MainFrame(); } }