我们在开发web项目中，经常有properties配置文件配置数据库连接参数，每次修改的时候还要去找到配置文件，感觉有点麻烦，就用swing做了个小工具修改参数，运行界面如下：
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一、项目结构：
二、相关代码：
1、ConfigTools.java
package com.xie.main; import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.Toolkit; import java.util.HashMap; import java.util.Map; import java.util.Properties; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.LayoutStyle.ComponentPlacement; import javax.swing.border.TitledBorder; import com.xie.util.PropertiesUtils; import javax.swing.JTabbedPane; import java.awt.Dimension; import javax.swing.JTextField; import javax.swing.JComboBox; import javax.swing.JPasswordField; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import javax.swing.JScrollPane; import javax.swing.JTextArea; @SuppressWarnings("serial") public class ConfigTools extends JFrame { private static Properties properties; // 配置文件路径 private static String CONFIG_PATH = "resource/config-path.properties"; private static String TITLE_IMG; //图片 private static String DB_CONFIG; //数据库 private static Map<String, String> dataconf; private JPanel contentPane; private JTabbedPane tabbedPane; private JPanel panel_data; private JComboBox<String> datatypeValue; private JTextField dataurlValue; private JTextField usernameValue; private JPasswordField passwordValue; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { getAllConfPath(); getDbConf(); ConfigTools frame = new ConfigTools(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * 读取配置文件路径 * 配置文件：config-path.properties */ private static void getAllConfPath() { properties = PropertiesUtils.getProperty(CONFIG_PATH); TITLE_IMG = properties.getProperty("img.path"); DB_CONFIG = properties.getProperty("db.path"); } /** * 读取数据源 * 数据源配置文件：config.properties */ public static void getDbConf(){ dataconf = new HashMap<String, String>(); Properties properties= PropertiesUtils.getProperty(DB_CONFIG); dataconf.put("db_type", properties.getProperty("db.db_type")); dataconf.put("db_url", properties.getProperty("db.url")); dataconf.put("db_username", properties.getProperty("db.username")); dataconf.put("db_password", properties.getProperty("db.password")); } /** * Create the frame. */ public ConfigTools() { setTitle("\u914D\u7F6E\u6587\u4EF6\u4FEE\u6539\u5DE5\u5177"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 775, 550); // 设置窗体最小值 setMinimumSize(new Dimension(775, 550)); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(new BorderLayout(0, 0)); // 居中显示 Toolkit kit = Toolkit.getDefaultToolkit(); // 定义工具包 Dimension screenSize = kit.getScreenSize(); // 获取屏幕的尺寸 int screenWidth = screenSize.width/2; // 获取屏幕的宽 int screenHeight = screenSize.height/2; // 获取屏幕的高 int height = this.getHeight(); int width = this.getWidth(); setLocation(screenWidth-width/2, screenHeight-height/2); /** * 头部 */ //==================================开始======================================// String path = TITLE_IMG; ImageIcon image = new ImageIcon(path); JLabel labImage = new JLabel(image); JPanel panel_title = new JPanel(); panel_title.setBorder(new TitledBorder(null, "", TitledBorder.LEADING, TitledBorder.TOP, null, null)); contentPane.add(panel_title, BorderLayout.NORTH); panel_title.add(labImage); //==================================结束======================================// /** * 左边菜单 */ //==================================开始======================================// JPanel panel_left = new JPanel(); panel_left.setBorder(new TitledBorder(null, "", TitledBorder.LEADING, TitledBorder.TOP, null, null)); contentPane.add(panel_left, BorderLayout.WEST); JButton db_button = new JButton("\u6570 \u636E \u914D \u7F6E"); db_button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { tabbedPane.setSelectedIndex(0); } }); JButton finish_button = new JButton("\u5B8C \u6210 \u914D \u7F6E"); finish_button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { tabbedPane.setSelectedIndex(1); } }); GroupLayout gl_panel_left = new GroupLayout(panel_left); gl_panel_left.setHorizontalGroup( gl_panel_left.createParallelGroup(Alignment.TRAILING) .addGroup(Alignment.LEADING, gl_panel_left.createSequentialGroup() .addContainerGap() .addComponent(db_button) .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGroup(gl_panel_left.createSequentialGroup() .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(finish_button, GroupLayout.PREFERRED_SIZE, 99, GroupLayout.PREFERRED_SIZE) .addContainerGap()) ); gl_panel_left.setVerticalGroup( gl_panel_left.createParallelGroup(Alignment.LEADING) .addGroup(gl_panel_left.createSequentialGroup() .addGap(54) .addComponent(db_button) .addGap(18) .addComponent(finish_button) .addContainerGap(364, Short.MAX_VALUE)) ); panel_left.setLayout(gl_panel_left); JPanel panel_centre = new JPanel(); panel_centre.setBorder(new TitledBorder(null, "", TitledBorder.LEADING, TitledBorder.TOP, null, null)); contentPane.add(panel_centre, BorderLayout.CENTER); //==================================结束======================================// /** * 中间内容 */ //==================================开始======================================// tabbedPane = new JTabbedPane(JTabbedPane.TOP); GroupLayout gl_panel_centre = new GroupLayout(panel_centre); gl_panel_centre.setHorizontalGroup( gl_panel_centre.createParallelGroup(Alignment.LEADING) .addGroup(Alignment.TRAILING, gl_panel_centre.createSequentialGroup() .addContainerGap() .addComponent(tabbedPane, GroupLayout.DEFAULT_SIZE, 589, Short.MAX_VALUE) .addContainerGap()) ); gl_panel_centre.setVerticalGroup( gl_panel_centre.createParallelGroup(Alignment.LEADING) .addGroup(Alignment.TRAILING, gl_panel_centre.createSequentialGroup() .addContainerGap() .addComponent(tabbedPane, GroupLayout.DEFAULT_SIZE, 374, Short.MAX_VALUE) .addContainerGap()) ); /** * 数据库配置 */ //==================================开始======================================// panel_data = new JPanel(); panel_data.setToolTipText(""); tabbedPane.addTab("\u6570\u636E\u914D\u7F6E", null, panel_data, null); JPanel panel_data_parameter = new JPanel(); panel_data_parameter.setBorder(new TitledBorder(null, "\u8FDE\u63A5\u53C2\u6570\u914D\u7F6E", TitledBorder.LEADING, TitledBorder.TOP, null, null)); JLabel datatype = new JLabel("\u6570\u636E\u5E93\u7C7B\u578B\uFF1A"); JLabel dataurl = new JLabel("\u8FDE\u63A5\u5730\u5740\uFF1A"); JLabel username = new JLabel("\u7528 \u6237 \u540D\uFF1A"); JLabel password = new JLabel("\u5BC6 \u7801\uFF1A"); datatypeValue = new JComboBox<String>(); datatypeValue.setEnabled(false); // 读取当前配置写入输入框(数据库类型) datatypeValue.addItem(dataconf.get("db_type")); dataurlValue = new JTextField(); dataurlValue.setEnabled(false); dataurlValue.setColumns(10); // 读取当前配置写入输入框(URL) dataurlValue.setText(dataconf.get("db_url")); usernameValue = new JTextField(); usernameValue.setEnabled(false); usernameValue.setColumns(10); // 读取当前配置写入输入框(用户名) usernameValue.setText(dataconf.get("db_username")); passwordValue = new JPasswordField(); passwordValue.setEnabled(false); // 读取当前配置写入输入框(密码) passwordValue.setText(dataconf.get("db_password")); GroupLayout gl_panel_data_parameter = new GroupLayout(panel_data_parameter); gl_panel_data_parameter.setHorizontalGroup( gl_panel_data_parameter.createParallelGroup(Alignment.LEADING) .addGroup(gl_panel_data_parameter.createSequentialGroup() .addGap(20) .addGroup(gl_panel_data_parameter.createParallelGroup(Alignment.LEADING) .addComponent(datatype) .addComponent(password) .addComponent(dataurl) .addComponent(username)) .addGap(41) .addGroup(gl_panel_data_parameter.createParallelGroup(Alignment.TRAILING) .addComponent(passwordValue, GroupLayout.DEFAULT_SIZE, 361, Short.MAX_VALUE) .addComponent(usernameValue, GroupLayout.DEFAULT_SIZE, 361, Short.MAX_VALUE) .addComponent(dataurlValue, GroupLayout.DEFAULT_SIZE, 361, Short.MAX_VALUE) .addComponent(datatypeValue, Alignment.LEADING, 0, 361, Short.MAX_VALUE)) .addGap(71)) ); gl_panel_data_parameter.setVerticalGroup( gl_panel_data_parameter.createParallelGroup(Alignment.LEADING) .addGroup(gl_panel_data_parameter.createSequentialGroup() .addContainerGap() .addGroup(gl_panel_data_parameter.createParallelGroup(Alignment.BASELINE) .addComponent(datatype) .addComponent(datatypeValue, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addGap(18) .addGroup(gl_panel_data_parameter.createParallelGroup(Alignment.BASELINE) .addComponent(dataurlValue, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(dataurl)) .addGap(21) .addGroup(gl_panel_data_parameter.createParallelGroup(Alignment.BASELINE) .addComponent(usernameValue, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(username)) .addGap(18) .addGroup(gl_panel_data_parameter.createParallelGroup(Alignment.BASELINE) .addComponent(password) .addComponent(passwordValue, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addContainerGap(88, Short.MAX_VALUE)) ); //==============================================================// /** * 点击编辑按钮，输入框可以编辑 */ JButton database_edit = new JButton("\u7F16 \u8F91"); JButton database_save = new JButton("\u4FDD \u5B58"); database_save.setEnabled(false); database_edit.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { datatypeValue.setEnabled(true); datatypeValue.removeAllItems(); datatypeValue.addItem("oracle"); //oracle数据库 datatypeValue.addItem("mysql"); //mysql数据库 datatypeValue.addItem("mssql"); //mssql数据库 dataurlValue.setEnabled(true); usernameValue.setEnabled(true); passwordValue.setEnabled(true); database_save.setEnabled(true); } }); /** * 点击保存后，将数据写入配置文件 */ database_save.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Map<String, String> data = new HashMap<String, String>(); String datatype = datatypeValue.getSelectedItem().toString(); String dataurl = dataurlValue.getText().toString(); String username = usernameValue.getText().toString(); String password = new String(passwordValue.getPassword()); if("".equals(datatype)){ Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "数据库类型不能为空！", "提示", JOptionPane.INFORMATION_MESSAGE); }else if("".equals(dataurl)){ Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "连接地址不能为空！", "提示", JOptionPane.INFORMATION_MESSAGE); }else if("".equals(username)){ Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "用户名不能为空！", "提示", JOptionPane.INFORMATION_MESSAGE); }else if("".equals(password)){ Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "密码不能为空！", "提示", JOptionPane.INFORMATION_MESSAGE); }else{ data.put("db.db_type", datatype); data.put("db.url", dataurl); data.put("db.username", username); data.put("db.password", new String(password)); String msg = PropertiesUtils.setProperty(DB_CONFIG, data); if("true".equals(msg)){ Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "保存成功！", "提示", JOptionPane.PLAIN_MESSAGE); }else{ Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "保存异常！", "提示", JOptionPane.ERROR_MESSAGE); } } } }); //==============================================================// GroupLayout gl_panel_data = new GroupLayout(panel_data); gl_panel_data.setHorizontalGroup( gl_panel_data.createParallelGroup(Alignment.TRAILING) .addGroup(gl_panel_data.createSequentialGroup() .addGap(133) .addComponent(database_edit, GroupLayout.PREFERRED_SIZE, 95, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED, 142, Short.MAX_VALUE) .addComponent(database_save, GroupLayout.PREFERRED_SIZE, 95, GroupLayout.PREFERRED_SIZE) .addGap(132)) .addGroup(gl_panel_data.createSequentialGroup() .addGap(20) .addComponent(panel_data_parameter, GroupLayout.DEFAULT_SIZE, 577, Short.MAX_VALUE)) ); gl_panel_data.setVerticalGroup( gl_panel_data.createParallelGroup(Alignment.TRAILING) .addGroup(gl_panel_data.createSequentialGroup() .addContainerGap() .addComponent(panel_data_parameter, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED, 159, Short.MAX_VALUE) .addGroup(gl_panel_data.createParallelGroup(Alignment.BASELINE) .addComponent(database_save) .addComponent(database_edit)) .addGap(32)) ); panel_data_parameter.setLayout(gl_panel_data_parameter); panel_data.setLayout(gl_panel_data); //==================================结束======================================// /** * 完成配置 */ //==================================开始======================================// JPanel panel_finish = new JPanel(); tabbedPane.addTab("\u5B8C\u6210\u914D\u7F6E", null, panel_finish, null); JButton start = new JButton("\u542F \u52A8"); JPanel panel_finish_parameter = new JPanel(); panel_finish_parameter.setBorder(new TitledBorder(null, "\u8FD0\u884C\u4FE1\u606F", TitledBorder.LEADING, TitledBorder.TOP, null, null)); GroupLayout gl_panel_finish = new GroupLayout(panel_finish); gl_panel_finish.setHorizontalGroup( gl_panel_finish.createParallelGroup(Alignment.LEADING) .addGroup(gl_panel_finish.createSequentialGroup() .addContainerGap() .addGroup(gl_panel_finish.createParallelGroup(Alignment.LEADING) .addComponent(panel_finish_parameter, GroupLayout.DEFAULT_SIZE, 577, Short.MAX_VALUE) .addComponent(start)) .addContainerGap()) ); gl_panel_finish.setVerticalGroup( gl_panel_finish.createParallelGroup(Alignment.LEADING) .addGroup(gl_panel_finish.createSequentialGroup() .addContainerGap() .addComponent(start) .addPreferredGap(ComponentPlacement.UNRELATED) .addComponent(panel_finish_parameter, GroupLayout.DEFAULT_SIZE, 308, Short.MAX_VALUE) .addContainerGap()) ); JScrollPane scrollPane = new JScrollPane(); GroupLayout gl_panel_finish_parameter = new GroupLayout(panel_finish_parameter); gl_panel_finish_parameter.setHorizontalGroup( gl_panel_finish_parameter.createParallelGroup(Alignment.LEADING) .addComponent(scrollPane, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 565, Short.MAX_VALUE) ); gl_panel_finish_parameter.setVerticalGroup( gl_panel_finish_parameter.createParallelGroup(Alignment.LEADING) .addComponent(scrollPane, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 356, Short.MAX_VALUE) ); JTextArea textArea = new JTextArea(); scrollPane.setViewportView(textArea); panel_finish_parameter.setLayout(gl_panel_finish_parameter); panel_finish.setLayout(gl_panel_finish); panel_centre.setLayout(gl_panel_centre); //==================================结束======================================// } }
2、PropertiesUtils.java
package com.xie.util; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.util.Iterator; import java.util.Map; import java.util.Map.Entry; import java.util.Properties; public class PropertiesUtils { /** * 通过配置文件名获取配置信息 * @param fileName * @return */ public static Properties getProps(String fileName){ Properties props = new Properties(); try { // 只需要文件名 dbconfig.properties与resource/dbconfig.properties的区别 props.load(new InputStreamReader(PropertiesUtils.class.getClassLoader().getResourceAsStream(fileName), "UTF-8")); } catch (IOException e) { e.printStackTrace(); } return props; } /** * 通过配置文件路径获取配置信息 * @param fileName * @return */ public static Properties getProperty(String fileName) { //第一步是取得一个Properties对象 Properties props = new Properties(); //第二步是取得配置文件的输入流 //InputStream is = PropertiesUtils.class.getClassLoader().getResourceAsStream("dbconfig.properties");//在非WEB环境下用这种方式比较方便 try { InputStream input = new FileInputStream(fileName); // 第三步是把配置文件的输入流load到Properties对象中， props.load(input); // 注意两种的区别 //props.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(fileName), "UTF-8")); } catch (IOException e) { System.out.println(e.getMessage()); e.printStackTrace(); } return props; } /** * properties获取key值 * @param fileName * @param key * @return */ public static String getProperty(String fileName, String key) { String value = ""; //第一步是取得一个Properties对象 Properties props = new Properties(); //第二步是取得配置文件的输入流 //InputStream is = PropertiesUtils.class.getClassLoader().getResourceAsStream("dbconfig.properties");//在非WEB环境下用这种方式比较方便 try { //InputStream input = new FileInputStream("dbconfig.properties");//在WEB环境下用这种方式比较方便，不过当配置文件是放在非Classpath目录下的时候也需要用这种方式 //第三步讲配置文件的输入流load到Properties对象中，这样在后面就可以直接取来用了 props.load(new InputStreamReader(PropertiesUtils.class.getClassLoader().getResourceAsStream(fileName), "UTF-8")); value = props.getProperty(key); //is.close(); } catch (IOException e) { e.printStackTrace(); } return value; } /** * properties写入key值 * @param fileName * @param data */ public static String setProperty(String fileName, Map<String, String> data) { String message = "true"; // 第一步也是取得一个Properties对象 Properties props = new Properties(); // 第二步也是取得该配置文件的输入流 // InputStream is = PropUtil.class.getClassLoader().getResourceAsStream("dbconfig.properties"); try { InputStream input = new FileInputStream(fileName); // 第三步是把配置文件的输入流load到Properties对象中， // props.load(new InputStreamReader(PropertiesUtils.class.getClassLoader().getResourceAsStream(fileName), "UTF-8")); props.load(input); // 接下来就可以随便往配置文件里面添加内容了 // props.setProperty(key, value); if (data != null) { Iterator<Entry<String, String>> iter = data.entrySet().iterator(); while (iter.hasNext()) { Entry<String, String> entry = iter.next(); props.setProperty(entry.getKey().toString(), entry.getValue().toString()); } } // 在保存配置文件之前还需要取得该配置文件的输出流，切记，如果该项目是需要导出的且是一个非WEB项目， // 则该配置文件应当放在根目录下，否则会提示找不到配置文件 OutputStream out = new FileOutputStream(fileName); // 最后就是利用Properties对象保存配置文件的输出流到文件中; props.store(out, null); input.close(); out.flush(); out.close(); } catch (IOException e) { message = "false"; e.printStackTrace(); } return message; } public static void main(String[] args) { System.out.println(PropertiesUtils.getProps("dbconfig.properties")); // System.out.println(PropertiesUtils.getProperty("resource/dbconfig.properties")); // Map<String, String> data = new HashMap<String, String>(); // data.put("db.db_type", "oracle1"); // data.put("db.username", "root1"); // data.put("db.password", "root1"); // PropertiesUtils.setProperty("resource/dbconfig.properties", data); } }
3、config-path.properties
img.path=resource/image/title.png
db.path=resource/dbconfig.properties
4、dbconfig.properties
#Oracle db.db_type=oracle db.driver=oracle.jdbc.driver.OracleDriver db.dialect=org.hibernate.dialect.Oracle10gDialect db.url=jdbc\:oracle\:thin\:@127.0.0.1\:1521\:tsm1 db.username=root db.password=root