[JAVA] java仿windows 字体设置选项卡

想用java做一个像windows里一样的txt编辑软件，涉及到字体设置选项卡，在网上找了很久都没找到，就生气啦自己写一个，现在贴这里分享一下，下次再遇到这样的问题就不用自己亲自打代码啦！

  1 package 实验;

  2 

  3 import java.awt.*;

  4 import java.awt.event.ActionEvent;

  5 import java.awt.event.ActionListener;

  6 import java.awt.event.MouseAdapter;

  7 import java.awt.event.MouseEvent;

  8 

  9 import javax.swing.*;

 10 import javax.swing.border.BevelBorder;

 11 

 12 /**

 13  * 字体格式设置对话框

 14  */

 15 

 16 public class FontFormat extends JDialog {

 17 

 18     private JLabel nameLb;

 19     private JLabel styleLb;

 20     private JLabel sizeLb;

 21     private JLabel presLb;

 22     private JTextField nameTx;

 23     private JTextField styleTx;

 24     private JTextField sizeTx;

 25     private JTextField presTx;

 26     private JList nameLt;

 27     private JList styleLt;

 28     private JList sizeLt;

 29     private JScrollPane jScrollPane1;

 30     private JScrollPane jScrollPane2;

 31     private JScrollPane jScrollPane3;

 32     private JButton approve;

 33     private JButton cancel;

 34     private JButton chose;

 35     private JRadioButton[] language = new JRadioButton[2];

 36     private ButtonGroup languageg;

 37     private String Slanguage[] = { new String("李涛"), new String("ABC") };

 38 

 39     private static JFrame frame;

 40     public Font font, newFont;// 字体类

 41     private Color color;// 颜色类

 42     Color newColor;

 43 

 44     private JFileChooser fileChoose = new JFileChooser();// 文件选择类实例

 45     private JDialog colorDlg;// 颜色对话框

 46     private JColorChooser colorChoose = new JColorChooser();// 颜色选择类实例

 47 

 48     private GraphicsEnvironment environment; // 该类中又获取系统字体的方法；

 49     private String[] fontNameSet;// 字体‘逻辑名’集

 50     // 字体‘样式’集的字符串数组

 51     private String[] fontStyleSet = { "常规", "倾斜", "加粗", "倾斜 加粗" };

 52     // 字体‘样式’集的常量数组

 53     private Integer[] fontCon = { Font.PLAIN, Font.ITALIC, Font.BOLD,

 54             Font.BOLD | Font.ITALIC };

 55     // 字体‘大小’集

 56     private String[] fontSizeSet = { "6", "7", "8", "9", "10", "11", "12",

 57             "14", "16", "18", "20", "22", "24", "26", "28", "36", "48", "72" };

 58 

 59     public static void main(String args[]) {// 主函数

 60         FontFormat a = new FontFormat();

 61         a.setVisible(true);

 62     }

 63 

 64     public FontFormat() {// 无参构造函数

 65         super(frame, "李涛—字体设置窗口", true);

 66         frame = new JFrame();

 67         initGUI();

 68     }

 69 

 70     public FontFormat(JFrame frame) {// 含参构造函数

 71         super(frame, "李涛—字体设置窗口", true);

 72         this.frame = frame;// 父窗口中必须有一个public的Font对象

 73         // setAlwaysOnTop(true);

 74         initGUI();

 75     }

 76 

 77     private void initGUI() {// 字体格式选择器的界面初始化

 78         try {

 79             getContentPane().setLayout(null);

 80             environment = GraphicsEnvironment.getLocalGraphicsEnvironment();// GraphicsEnvironment是一个抽象类，不能实例化，只能用其中的静态方法获取一个实例

 81             fontNameSet = environment.getAvailableFontFamilyNames();// 获取系统字体

 82             addMenu();// 加入菜单

 83             initFont();// 初始化字体

 84             // pack();

 85             setSize(380, 337);

 86             setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

 87             setWindowPos();// 使窗口屏幕居中

 88             setResizable(false);// 大小不可变

 89         } catch (Exception e) {

 90             e.printStackTrace();

 91         }

 92     }

 93 

 94     private void initFont() {// 初始化字体

 95         // 设置默认字体格式为父窗口font对向的字体格式

 96         if (frame.getFont() == null) {

 97             nameTx.setText(fontNameSet[0]);

 98             styleTx.setText(fontStyleSet[0]);

 99             sizeTx.setText("12");

100             nameLt.setSelectedValue(fontNameSet[0], true);

101             styleLt.setSelectedIndex(0);

102             sizeLt.setSelectedValue("12", true);

103             font = new Font(fontNameSet[0], fontCon[0], 12);

104             newFont = font;// 保存原来的字体格式

105             presTx.setFont(font);

106             // JOptionPane.showMessageDialog(null, "ccac");

107         } else {

108             int idxStyle = 0;

109             for (int i = 0; i < fontCon.length; i++) {

110                 if (fontCon[i] == frame.getFont().getStyle())

111                     idxStyle = i;

112             }

113             nameTx.setText(frame.getFont().getName());// 改text

114             styleTx.setText(fontStyleSet[idxStyle]);

115             sizeTx.setText("" + frame.getFont().getSize());

116             nameLt.setSelectedValue(frame.getFont().getName(), true);// 改list显示

117             styleLt.setSelectedIndex(idxStyle);

118             sizeLt.setSelectedValue("" + frame.getFont().getSize(), true);

119             font = new Font(fontNameSet[0], fontCon[0], 12);// 保存当前格式

120             newFont = font;// 保存原来的字体格式

121             presTx.setFont(font);// 预览中设为当前模式

122         }

123     }

124 

125     private void addMenu() {// 加入菜单

126         // 4个lable---------------------------------------------------------------------------------

127         nameLb = new JLabel();

128         getContentPane().add(nameLb);

129         nameLb.setText("字体：");

130         nameLb.setBounds(10, 14, 120, 26);

131         nameLb.setFont(new java.awt.Font("SimSun", 1, 14));

132 

133         styleLb = new JLabel();

134         getContentPane().add(styleLb);

135         styleLb.setText("字型：");

136         styleLb.setBounds(151, 14, 120, 23);

137         styleLb.setFont(new java.awt.Font("SimSun", 1, 14));

138 

139         sizeLb = new JLabel();

140         getContentPane().add(sizeLb);

141         sizeLb.setText("大小：");

142         sizeLb.setBounds(275, 14, 79, 24);

143         sizeLb.setFont(new java.awt.Font("SimSun", 1, 14));

144 

145         presLb = new JLabel();

146         getContentPane().add(presLb);

147         presLb.setText("预览：");

148         presLb.setBounds(151, 150, 120, 80);

149         presLb.setFont(new java.awt.Font("SimSun", 1, 14));

150 

151         // 4个textfield---------------------------------------------------------------------------------

152         nameTx = new JTextField();

153         nameTx.setEditable(false);

154         getContentPane().add(nameTx);

155         nameTx.setBounds(10, 42, 120, 22);

156 

157         styleTx = new JTextField();

158         styleTx.setEditable(false);

159         getContentPane().add(styleTx);

160         styleTx.setBounds(151, 42, 100, 21);

161 

162         sizeTx = new JTextField();

163         sizeTx.setEditable(false);

164         getContentPane().add(sizeTx);

165         sizeTx.setBounds(275, 42, 79, 22);

166 

167         presTx = new JTextField();

168         presTx.setEditable(false);

169         getContentPane().add(presTx);

170         presTx.setBounds(151, 200, 203, 61);

171         presTx.setText(Slanguage[1]);

172 

173         // 3个下拉条--+监听-----------------------------------------------------------------------------

174         jScrollPane1 = new JScrollPane();

175         getContentPane().add(jScrollPane1);

176         jScrollPane1.setBounds(10, 74, 120, 210);

177         {

178             ListModel fontNameModel = new DefaultComboBoxModel(fontNameSet);

179             nameLt = new JList();

180             jScrollPane1.setViewportView(nameLt);

181             nameLt.setModel(fontNameModel);

182             nameLt.setBounds(274, 193, 90, 86);

183             nameLt.setBorder(BorderFactory

184                     .createEtchedBorder(BevelBorder.LOWERED));

185             nameLt.addMouseListener(new MouseAdapter() {

186                 public void mouseClicked(MouseEvent evt) {

187                     nameLtMouseClicked(evt);

188                 }

189             });

190         }

191 

192         jScrollPane2 = new JScrollPane();

193         getContentPane().add(jScrollPane2);

194         jScrollPane2.setBounds(151, 74, 100, 103);

195         {

196             ListModel fontStyleModel = new DefaultComboBoxModel(fontStyleSet);

197             styleLt = new JList();

198             jScrollPane2.setViewportView(styleLt);

199             styleLt.setModel(fontStyleModel);

200             styleLt.setBounds(310, 215, 70, 102);

201             styleLt.setBorder(BorderFactory

202                     .createEtchedBorder(BevelBorder.LOWERED));

203             styleLt.addMouseListener(new MouseAdapter() {

204                 public void mouseClicked(MouseEvent evt) {

205                     styleLtMouseClicked(evt);

206                 }

207             });

208         }

209 

210         jScrollPane3 = new JScrollPane();

211         getContentPane().add(jScrollPane3);

212         jScrollPane3.setBounds(275, 75, 79, 100);

213         {

214             ListModel fontSizeModel = new DefaultComboBoxModel(fontSizeSet);

215             sizeLt = new JList();

216             jScrollPane3.setViewportView(sizeLt);

217             sizeLt.setModel(fontSizeModel);

218             sizeLt.setBounds(300, 218, 54, 102);

219             sizeLt.setBorder(BorderFactory

220                     .createEtchedBorder(BevelBorder.LOWERED));

221             sizeLt.addMouseListener(new MouseAdapter() {

222                 public void mouseClicked(MouseEvent evt) {

223                     sizeLtMouseClicked(evt);

224                 }

225             });

226         }// -------------------------------------------------------------------------------------

227 

228         // 中英选项(---------------------------------------------------------------------------------

229         languageg = new ButtonGroup();

230         language[0] = new JRadioButton("中");

231         getContentPane().add(language[0]);

232         language[0].setSelected(false);// 初始化显示

233         language[0].setBounds(271, 179, 40, 20);

234         language[0].setFont(new java.awt.Font("SimSun", 1, 12));

235         languageg.add(language[0]);

236         language[0].addActionListener(new ActionListener() {

237             public void actionPerformed(ActionEvent evt) {

238                 presTx.setText(Slanguage[0]);

239             }

240         });

241 

242         language[1] = new JRadioButton("英");

243         getContentPane().add(language[1]);

244         language[1].setSelected(true);

245         language[1].setBounds(321, 179, 40, 20);

246         language[1].setFont(new java.awt.Font("SimSun", 1, 12));

247         languageg.add(language[1]);

248         language[1].addActionListener(new ActionListener() {

249             public void actionPerformed(ActionEvent evt) {

250                 presTx.setText(Slanguage[1]);

251             }

252         });

253 

254         // 3个按钮+监听---------------------------------------------------------------------------------

255         // 确定按钮

256         approve = new JButton();

257         getContentPane().add(approve);

258         approve.setText("确定");

259         approve.setBounds(151, 265, 67, 20);

260         approve.setFont(new java.awt.Font("KaiTi_GB2312", 1, 12));

261         approve.addActionListener(new ActionListener() {

262             public void actionPerformed(ActionEvent evt) {

263                 approveActionPerformed(evt);

264             }

265         });

266 

267         // 取消按钮

268         cancel = new JButton();

269         getContentPane().add(cancel);

270         cancel.setText("取消");

271         cancel.setBounds(219, 265, 67, 20);

272         cancel.setFont(new java.awt.Font("KaiTi_GB2312", 1, 12));

273         cancel.addActionListener(new ActionListener() {

274             public void actionPerformed(ActionEvent evt) {

275                 cancelActionPerformed(evt);

276             }

277         });

278 

279         // 颜色选择按钮

280         chose = new JButton();

281         getContentPane().add(chose);

282         chose.setText("颜色");

283         chose.setBounds(287, 265, 67, 20);

284         chose.setFont(new java.awt.Font("KaiTi_GB2312", 1, 12));

285         chose.addActionListener(new ActionListener() {

286             public void actionPerformed(ActionEvent evt) {

287                 choseActionPerformed(evt);

288             }

289         });// -------------------------------------------------------------------------

290     }

291 

292     private void setWindowPos() {// 窗口居中

293         Toolkit kit = Toolkit.getDefaultToolkit();// 抽象类，通过静态方法获取实例

294         Dimension frameSize = new Dimension(), screenSize = kit.getScreenSize(); // 获取屏幕的大小

295         getSize(frameSize); // 获取窗口大小

296         setLocation((screenSize.width - frameSize.width) / 2,

297                 (screenSize.height - frameSize.height) / 2);

298     }

299 

300     private void nameLtMouseClicked(MouseEvent evt) {// 字体逻辑名列表的鼠标单击事件

301         nameTx.setText(nameLt.getSelectedValue().toString());

302         font = new Font(nameTx.getText(), font.getStyle(), font.getSize());

303         presTx.setFont(font);

304     }

305 

306     private void styleLtMouseClicked(MouseEvent evt) {// 字体样式列表的鼠标单击事件

307         String temp = styleLt.getSelectedValue().toString();

308         styleTx.setText(temp);

309         int index = 0;

310         while (index < 4 && !fontStyleSet[index].equals(temp)) {

311             index++;

312         }

313         font = new Font(font.getName(), fontCon[index], font.getSize());

314         presTx.setFont(font);

315     }

316 

317     private void sizeLtMouseClicked(MouseEvent evt) {// 字体大小列表的鼠标点击事件

318         sizeTx.setText(sizeLt.getSelectedValue().toString());

319         font = new Font(font.getName(), font.getStyle(),

320                 Integer.parseInt(sizeTx.getText()));

321         presTx.setFont(font);

322     }

323 

324     private void approveActionPerformed(ActionEvent evt) {// 确定按钮的触发事件

325         String name = nameTx.getText();

326         int style = fontCon[styleLt.getSelectedIndex()];

327         int size = Integer.parseInt(sizeTx.getText());

328         font = new Font(name, style, size);

329         frame.setFont(font); // 父窗口的Font对象

330         newFont = font;// 更新原来保存格式

331         newColor = color;// 更新颜色

332         this.dispose();

333     }

334 

335     private void cancelActionPerformed(ActionEvent evt) {// 取消按钮的触发事件

336         this.dispose();

337     }

338 

339     private void choseActionPerformed(ActionEvent evt) {// 颜色选择触发事件

340         if (colorDlg == null) {

341             colorDlg = JColorChooser.createDialog(FontFormat.this,

342                     "Select Text Color", true, colorChoose,

343                     new ColorOKListener(), null);

344         }

345         colorChoose.setColor(color = presTx.getForeground());

346         colorDlg.setVisible(true);

347     }

348 

349     class ColorOKListener implements ActionListener {// 重写颜色按钮点击监听类覆盖接口ActionListener

350         public void actionPerformed(ActionEvent e) {

351             Color c = colorChoose.getColor();

352             color = c;

353             presTx.setForeground(c);

354             presTx.repaint();

355         }

356     }

357 }