1: package j_201126100207;
2:
3: import java.awt.*;
4: import java.awt.event.*;
5: import static java.awt.event.InputEvent.*;
6: import java.io.BufferedReader;
7: import java.io.BufferedWriter;
8: import java.io.File;
9: import java.io.FileReader;
10: import java.io.FileWriter;
11: import java.io.IOException;
12: import javax.swing.*;
13: import javax.swing.event.*;
14: import javax.swing.filechooser.FileFilter;
15:
16: public class J_201126100207 extends JFrame { 17:
18: public final static String imagePath = "image/";
19: public final static Icon NEW24 = new ImageIcon(imagePath + "New24.gif", "new");
20: public final static Icon OPEN24 = new ImageIcon(imagePath + "Open24.gif", "open");
21: public final static Icon SAVE24 = new ImageIcon(imagePath + "Save24.gif", "save");
22: //内部成员；
23: private JFileChooser choose;
24: private File selectedFile = null;
25: private JTextArea textarea;
26: private boolean newPage = false;
27: private Font font;
28: //===========================================================================================================
29:
30: public J_201126100207(String title) { 31: Container content = getContentPane();
32: setTitle(title);
33: super.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
34:
35: JMenuBar mb = new JMenuBar();
36: setJMenuBar(mb);
37:
38: //菜单栏标题及内容设置
39: JMenu fileMenu = new JMenu("文件(F)"); 40: mb.add(fileMenu);
41: fileMenu.setMnemonic('F'); 42: JMenu javaTest = new JMenu("Java上机题目"); 43: mb.add(javaTest);
44: JMenu communication = new JMenu("通讯录(C)"); 45: mb.add(communication);
46: communication.setMnemonic('C'); 47: JMenu help = new JMenu("帮助(H)"); 48: mb.add(help);
49: help.setMnemonic('H'); 50: //文件一栏的菜单
51: JMenuItem newItem = new JMenuItem("新建(N)"); 52: fileMenu.add(newItem);
53: JMenuItem openItem = new JMenuItem("打开(O)..."); 54: fileMenu.add(openItem);
55: JMenuItem saveItem = new JMenuItem("保存(S)"); 56: fileMenu.add(saveItem);
57: fileMenu.addSeparator();
58: JMenuItem fontColorItem = new JMenuItem("字体与颜色(F)..."); 59: fileMenu.add(fontColorItem);
60: fileMenu.addSeparator();
61: JMenuItem exitItem = new JMenuItem("退出(X)"); 62: fileMenu.add(exitItem);
63: //Java上机题目一栏的菜单
64: JMenuItem repreatItem = new JMenuItem("回文数(H)..."); 65: javaTest.add(repreatItem);
66: JMenuItem translationItem = new JMenuItem("数字与英语互译(T)..."); 67: javaTest.add(translationItem);
68: JMenuItem countItem = new JMenuItem("统计英文数据(C)..."); 69: javaTest.add(countItem);
70: JMenuItem sumItem = new JMenuItem("文本文件求和(M)..."); 71: javaTest.add(sumItem);
72: //通讯录一栏的菜单
73: JMenuItem maintainItem = new JMenuItem("通讯维护(W)..."); 74: communication.add(maintainItem);
75: communication.addSeparator();
76: JMenuItem setupItem = new JMenuItem("通讯录存储文件设置(L)..."); 77: communication.add(setupItem);
78: JMenuItem aboutItem = new JMenuItem("关于(G)..."); 79: help.add(aboutItem);
80:
81: //设置textArea：添加滚动条，设置默认字体，及背景颜色
82: textarea = new JTextArea();
83: JScrollPane scorl = new JScrollPane(textarea);
84: content.add(scorl);
85: //font= new Font("宋体", Font.PLAIN, 14); 86: textarea.setFont(font);
87: //toolbar组件定义
88: JToolBar toolBar = new JToolBar();
89: JButton newButton = new JButton(NEW24);
90: newButton.setToolTipText("新建文件"); 91: JButton openButton = new JButton(OPEN24);
92: openButton.setToolTipText("打开文件"); 93: JButton saveButton = new JButton(SAVE24);
94: saveButton.setToolTipText("保存文件"); 95: toolBar.add(newButton);
96: toolBar.add(openButton);
97: toolBar.add(saveButton);
98: toolBar.setFloatable(false);
99:
100: JPanel pane = new JPanel();
101: BorderLayout bord = new BorderLayout();
102: pane.setLayout(bord);
103: pane.add("North", toolBar); 104: pane.add("Center", scorl); 105: content.add(pane);
106: //快捷键设置
107: newItem.setAccelerator(KeyStroke.getKeyStroke('N', CTRL_DOWN_MASK)); 108: openItem.setAccelerator(KeyStroke.getKeyStroke('O', CTRL_DOWN_MASK)); 109: saveItem.setAccelerator(KeyStroke.getKeyStroke('S', CTRL_DOWN_MASK)); 110: fontColorItem.setAccelerator(KeyStroke.getKeyStroke('F', CTRL_DOWN_MASK)); 111: exitItem.setAccelerator(KeyStroke.getKeyStroke('X', CTRL_DOWN_MASK)); 112: repreatItem.setAccelerator(KeyStroke.getKeyStroke('H', CTRL_DOWN_MASK)); 113: translationItem.setAccelerator(KeyStroke.getKeyStroke('T', CTRL_DOWN_MASK)); 114: countItem.setAccelerator(KeyStroke.getKeyStroke('C', CTRL_DOWN_MASK)); 115: sumItem.setAccelerator(KeyStroke.getKeyStroke('M', CTRL_DOWN_MASK)); 116: maintainItem.setAccelerator(KeyStroke.getKeyStroke('W', CTRL_DOWN_MASK)); 117: setupItem.setAccelerator(KeyStroke.getKeyStroke('L', CTRL_DOWN_MASK)); 118: aboutItem.setAccelerator(KeyStroke.getKeyStroke('G', CTRL_DOWN_MASK)); 119:
120: //===================================================================================================================
121: //事件处理：
122: //窗口关闭
123: addWindowListener(new WindowAdapter() { 124: @Override
125: public void windowClosing(WindowEvent event) { 126: if (selectedFile == null && textarea.getText().equals("")) { 127: int retuenValue = JOptionPane.showConfirmDialog(null, " 确定要退出系统吗？", "是否退出", JOptionPane.YES_NO_OPTION);
128: if (retuenValue == JOptionPane.YES_OPTION) { 129: System.exit(0);
130: }
131: } else { 132: int btn = JOptionPane.showConfirmDialog(null, "是否保存到"
133: + selectedFile + "?", "是否保存",
134: JOptionPane.YES_NO_CANCEL_OPTION);
135: if (btn == JOptionPane.CANCEL_OPTION) { 136: } else if (btn == JOptionPane.NO_OPTION) { 137: System.exit(0);
138: } else { 139: if (selectedFile == null
140: && !textarea.getText().equals("")) { 141: choose = new JFileChooser();
142: int state = choose.showSaveDialog(J_201126100207.this);
143: if (state == JFileChooser.APPROVE_OPTION) { 144: try { 145: File file = choose.getSelectedFile();
146: BufferedWriter bw = new BufferedWriter(
147: new FileWriter(file));
148: String str = textarea.getText();
149: String[] lines = str.split("\n"); 150: for (String line : lines) { 151: bw.write(line + "\r\n");
152: }
153: bw.flush();
154: file.createNewFile();
155: bw.close();
156: } catch (IOException e) { 157: JOptionPane.showConfirmDialog(null,
158: "保存文件失败！", "ERROR",
159: JOptionPane.ERROR_MESSAGE);
160: }
161: }
162: System.exit(0);
163: } else if (selectedFile != null) { 164: try { 165: BufferedWriter bw = new BufferedWriter(
166: new FileWriter(selectedFile));
167: String str = textarea.getText();
168: String[] lines = str.split("\n"); 169: for (String line : lines) { 170: bw.write(line + "\r\n");
171: }
172: bw.flush();
173: bw.close();
174: } catch (IOException e) { 175: }
176: System.exit(0);
177: }
178: }
179: }
180: }
181: });
182:
183: //新建按钮
184: newItem.addActionListener(new ActionListener() { 185: @Override
186: public void actionPerformed(ActionEvent e) { 187: if (selectedFile == null && textarea.getText().equals("")) { 188: return;
189: } else { 190: int btn = JOptionPane.showConfirmDialog(J_201126100207.this, "是否保存到...?", "是否保存", JOptionPane.YES_NO_CANCEL_OPTION);
191: if (btn == JOptionPane.CANCEL_OPTION) { 192: return;
193: } else if (btn == JOptionPane.YES_OPTION) { 194: if (!textarea.getText().equals("")) { 195: JFileChooser choose = new JFileChooser();
196: int state = choose.showSaveDialog(J_201126100207.this);
197: if (state == JFileChooser.APPROVE_OPTION) { 198: try { 199: File file = choose.getSelectedFile();
200: BufferedWriter bw = new BufferedWriter(new FileWriter(file));
201: String str = textarea.getText();
202: String[] lines = str.split("\n"); 203: for (String line : lines) { 204: bw.write(line + "\r\n");
205: }
206: bw.flush();
207: file.createNewFile();
208: bw.close();
209:
210: } catch (IOException ex) { 211: JOptionPane.showConfirmDialog(J_201126100207.this,
212: "保存文件失败！", "ERROR",
213: JOptionPane.ERROR_MESSAGE);
214: }
215: }
216: }
217: }
218: }
219: textarea.setText("");//清空textarea中的内容; 220:
221: }
222: });
223: newButton.addActionListener(new ActionListener() { 224: @Override
225: public void actionPerformed(ActionEvent e) { 226: if (selectedFile == null && textarea.getText().equals("")) { 227: return;
228: } else { 229: int btn = JOptionPane.showConfirmDialog(J_201126100207.this, "是否保存到...?", "是否保存", JOptionPane.YES_NO_CANCEL_OPTION);
230: if (btn == JOptionPane.CANCEL_OPTION) { 231: return;
232: } else if (btn == JOptionPane.YES_OPTION) { 233: if (!textarea.getText().equals("")) { 234: choose = new JFileChooser();
235: int state = choose.showSaveDialog(J_201126100207.this);
236: if (state == JFileChooser.APPROVE_OPTION) { 237: try { 238: File file = choose.getSelectedFile();
239: BufferedWriter bw = new BufferedWriter(new FileWriter(file));
240: String str = textarea.getText();
241: String[] lines = str.split("\n"); 242: for (String line : lines) { 243: bw.write(line + "\r\n");
244: }
245: bw.flush();
246: file.createNewFile();
247: bw.close();
248: } catch (IOException ex) { 249: JOptionPane.showConfirmDialog(J_201126100207.this,
250: "保存文件失败！", "ERROR",
251: JOptionPane.ERROR_MESSAGE);
252: }
253: }
254: }
255: }
256: }
257: textarea.setText("");//清空textarea中的内容; 258: }
259: });
260:
261:
262: //打开按钮
263: openItem.addActionListener(new ActionListener() { 264: @Override
265: public void actionPerformed(ActionEvent e) { 266: if (selectedFile == null && textarea.getText().equals("")) { 267: } else { 268: int btn = JOptionPane.showConfirmDialog(J_201126100207.this,
269: "是否保存到...?", "是否保存",
270: JOptionPane.YES_NO_CANCEL_OPTION);
271: if (btn == JOptionPane.CANCEL_OPTION) { 272: return;
273: } else if (btn == JOptionPane.YES_OPTION) { 274: }
275: }
276: choose = new JFileChooser();
277: choose.addChoosableFileFilter(new fileFilter("java")); 278: choose.addChoosableFileFilter(new fileFilter("txt")); 279: choose.addChoosableFileFilter(new fileFilter("cpp")); 280: int state = choose.showOpenDialog(J_201126100207.this);
281: if (state == JFileChooser.APPROVE_OPTION) { 282: try { 283: selectedFile = choose.getSelectedFile();
284: BufferedReader br = new BufferedReader(new FileReader(selectedFile));
285: textarea.read(br, "");
286: br.close();
287: } catch (IOException ex) { 288: JOptionPane.showConfirmDialog(J_201126100207.this,
289: "打开文件失败", "error",
290: JOptionPane.ERROR_MESSAGE);
291: }
292: }
293: }
294: });
295:
296: //打开图标
297: openButton.addActionListener(new ActionListener() { 298: @Override
299: public void actionPerformed(ActionEvent e) { 300: if (selectedFile == null && textarea.getText().equals("")) { 301: } else { 302: int btn = JOptionPane.showConfirmDialog(J_201126100207.this,
303: "是否保存到...?", "是否保存",
304: JOptionPane.YES_NO_CANCEL_OPTION);
305: if (btn == JOptionPane.CANCEL_OPTION) { 306: return;
307: } else if (btn == JOptionPane.YES_OPTION) { 308: }
309: }
310: choose = new JFileChooser();
311: choose.addChoosableFileFilter(new fileFilter("java")); 312: choose.addChoosableFileFilter(new fileFilter("txt")); 313: choose.addChoosableFileFilter(new fileFilter("cpp")); 314: int state = choose.showOpenDialog(J_201126100207.this);
315: if (state == JFileChooser.APPROVE_OPTION) { 316: try { 317: selectedFile = choose.getSelectedFile();
318: BufferedReader br = new BufferedReader(new FileReader(selectedFile));
319: textarea.read(br, "");
320: br.close();
321: } catch (IOException ex) { 322: JOptionPane.showConfirmDialog(J_201126100207.this,
323: "打开文件失败", "error",
324: JOptionPane.ERROR_MESSAGE);
325: }
326: }
327: }
328: });
329:
330: //保存按钮
331: saveItem.addActionListener(new ActionListener() { 332: @Override
333: public void actionPerformed(ActionEvent event) { 334: if (newPage == true || selectedFile == null) { 335: choose = new JFileChooser();
336: int state = choose.showSaveDialog(J_201126100207.this);
337: if (state == JFileChooser.APPROVE_OPTION) { 338: try { 339: File file = choose.getSelectedFile();
340: BufferedWriter bw = new BufferedWriter(
341: new FileWriter(file));
342: String str = textarea.getText();
343: String[] lines = str.split("\n"); 344: for (String line : lines) { 345: bw.write(line + "\r\n");
346: }
347: bw.flush();
348: file.createNewFile();
349: bw.close();
350: newPage = false;
351: selectedFile = file;
352: } catch (IOException e) { 353: JOptionPane.showMessageDialog(J_201126100207.this, "保存文件失败",
354: "ERROR", JOptionPane.ERROR_MESSAGE);
355: }
356: }
357: } else if (newPage == false && selectedFile != null) { 358:
359: try { 360: BufferedWriter bw = new BufferedWriter(new FileWriter(
361: selectedFile));
362: String str = textarea.getText();
363: String[] lines = str.split("\n"); 364: for (String line : lines) { 365: bw.write(line + "\r\n");
366: }
367: bw.flush();
368: bw.close();
369: newPage = false;
370: } catch (IOException e) { 371: JOptionPane.showMessageDialog(J_201126100207.this, "保存文件失败",
372: "ERROR", JOptionPane.ERROR_MESSAGE);
373: }
374: }
375: }
376: });
377: //保存图标
378: saveButton.addActionListener(new ActionListener() { 379: @Override
380: public void actionPerformed(ActionEvent event) { 381: if (newPage == true || selectedFile == null) { 382: choose = new JFileChooser();
383: int state = choose.showSaveDialog(J_201126100207.this);
384: if (state == JFileChooser.APPROVE_OPTION) { 385: try { 386: File file = choose.getSelectedFile();
387: BufferedWriter bw = new BufferedWriter(
388: new FileWriter(file));
389: String str = textarea.getText();
390: String[] lines = str.split("\n"); 391: for (String line : lines) { 392: bw.write(line + "\r\n");
393: }
394: bw.flush();
395: file.createNewFile();
396: bw.close();
397: newPage = false;
398: selectedFile = file;
399: } catch (IOException e) { 400: JOptionPane.showMessageDialog(J_201126100207.this, "保存文件失败",
401: "ERROR", JOptionPane.ERROR_MESSAGE);
402: }
403: }
404: } else if (newPage == false && selectedFile != null) { 405:
406: try { 407: BufferedWriter bw = new BufferedWriter(new FileWriter(
408: selectedFile));
409: String str = textarea.getText();
410: String[] lines = str.split("\n"); 411: for (String line : lines) { 412: bw.write(line + "\r\n");
413: }
414: bw.flush();
415: bw.close();
416: newPage = false;
417: } catch (IOException e) { 418: JOptionPane.showMessageDialog(J_201126100207.this, "保存文件失败",
419: "ERROR", JOptionPane.ERROR_MESSAGE);
420: }
421: }
422: }
423: });
424: //字体颜色设置
425: fontColorItem.addActionListener(new ActionListener() { 426: @Override
427: public void actionPerformed(ActionEvent e) { 428: FontDialog fontdialog = new FontDialog(J_201126100207.this);
429:
430:
431: }
432: });
433:
434: exitItem.addActionListener(new ActionListener() { 435: @Override
436: public void actionPerformed(ActionEvent event) { 437: if (selectedFile == null && textarea.getText().equals("")) { 438: int retuenValue = JOptionPane.showConfirmDialog(null, " 确定要退出系统吗？", "是否退出", JOptionPane.YES_NO_OPTION);
439: if (retuenValue == JOptionPane.YES_OPTION) { 440: System.exit(0);
441: }
442: } else { 443: int btn = JOptionPane.showConfirmDialog(null, "是否保存到"
444: + selectedFile + "?", "是否保存",
445: JOptionPane.YES_NO_CANCEL_OPTION);
446: if (btn == JOptionPane.CANCEL_OPTION) { 447: return;
448: } else if (btn == JOptionPane.NO_OPTION) { 449: System.exit(0);
450: } else { 451: if (selectedFile == null
452: && !textarea.getText().equals("")) { 453: choose = new JFileChooser();
454: int state = choose.showSaveDialog(J_201126100207.this);
455: if (state == JFileChooser.APPROVE_OPTION) { 456: try { 457: File file = choose.getSelectedFile();
458: BufferedWriter bw = new BufferedWriter(
459: new FileWriter(file));
460: String str = textarea.getText();
461: String[] lines = str.split("\n"); 462: for (String line : lines) { 463: bw.write(line + "\r\n");
464: }
465: bw.flush();
466: file.createNewFile();
467: bw.close();
468: } catch (IOException e) { 469: JOptionPane.showConfirmDialog(null,
470: "保存文件失败！", "ERROR",
471: JOptionPane.ERROR_MESSAGE);
472: }
473: }
474: System.exit(0);
475: } else if (selectedFile != null) { 476: try { 477: BufferedWriter bw = new BufferedWriter(
478: new FileWriter(selectedFile));
479: String str = textarea.getText();
480: String[] lines = str.split("\n"); 481: for (String line : lines) { 482: bw.write(line + "\r\n");
483: }
484: bw.flush();
485: bw.close();
486: } catch (IOException e) { 487: }
488: System.exit(0);
489: }
490: }
491: }
492: }
493: });
494:
495: repreatItem.addActionListener(new ActionListener() { 496: @Override
497: public void actionPerformed(ActionEvent event) { 498: repreatDialog repreat = new repreatDialog(J_201126100207.this);
499: }
500: });
501:
502: translationItem.addActionListener(new ActionListener() { 503: @Override
504: public void actionPerformed(ActionEvent event) { 505: translateDialog translation = new translateDialog(J_201126100207.this);
506: }
507: });
508:
509:
510: countItem.addActionListener(new ActionListener() { 511: @Override
512: public void actionPerformed(ActionEvent event) { 513: countDialog CountDialog = new countDialog(J_201126100207.this);
514:
515: }
516: });
517:
518: sumItem.addActionListener(new ActionListener() { 519: @Override
520: public void actionPerformed(ActionEvent event) { 521: sumDialog sum = new sumDialog(J_201126100207.this);
522: }
523: });
524:
525: //关于按钮
526: aboutItem.addActionListener(new ActionListener() { 527: @Override
528: public void actionPerformed(ActionEvent e) { 529: JOptionPane.showMessageDialog(J_201126100207.this, "Java记事本" + "\n"
530: + "designed by 姜楠\n" + " in ZJUT", "关于",
531: JOptionPane.INFORMATION_MESSAGE);
532: }
533: });
534:
535: }
536: //================================================================================================================
537:
538: /**
539: * 内部类定义以及实现
540: */
541: private class FontDialog extends JDialog implements ActionListener, ItemListener { 542:
543: private JButton fontColorButton;
544: private JButton backGroundButton;
545: private JButton okButton;
546: private JButton cancelButton;
547: private String fontName;
548: private int fontSize;
549: private Font font;
550: private JComboBox nameCombo;
551: private JComboBox sizeCombo;
552: private JLabel fontDisplay;
553:
554: public FontDialog(J_201126100207 window) { 555: GridLayout grid = new GridLayout(6, 2);
556: setLayout(grid);
557: setModal(true);
558: setTitle("设置颜色与字体"); 559:
560: font = textarea.getFont();
561: fontName = font.getFontName();
562: fontSize = font.getSize();
563:
564: //获取所有的字体
565: GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
566: String[] fontNames = ge.getAvailableFontFamilyNames();
567: nameCombo = new JComboBox(fontNames);
568: nameCombo.addItemListener(this);
569:
570: //创建和添加组件到FontDialog
571: JLabel nameLabel = new JLabel("字体名称"); 572: add(nameLabel);
573: add(nameCombo);
574:
575: JLabel sizeLabel = new JLabel("字体大小"); 576: String[] size = {"8", "10", "12", "14", "16", "18", "20", "22", "24", "26", "28", "30", "32", "34", "42", "52", "62", "72"}; 577: sizeCombo = new JComboBox(size);
578: sizeCombo.addItemListener(this);
579: add(sizeLabel);
580: add(sizeCombo);
581:
582: JLabel fontLabel = new JLabel("字体颜色"); 583: fontColorButton = new JButton("设置..."); 584: fontColorButton.addActionListener(this);
585: add(fontLabel);
586: add(fontColorButton);
587: JLabel backGroundLabel = new JLabel("背景颜色"); 588: backGroundButton = new JButton("设置..."); 589: backGroundButton.addActionListener(this);
590: add(backGroundLabel);
591: add(backGroundButton);
592: JLabel displayLabel = new JLabel("字体预览"); 593: fontDisplay = new JLabel("Java 字体预览"); 594: fontDisplay.setFont(font);
595: JPanel displayPanel = new JPanel(true);
596: displayPanel.setBackground(Color.WHITE);
597: displayPanel.add(fontDisplay);
598: add(displayLabel);
599:
600: add(displayPanel);
601: okButton = new JButton("确定"); 602: okButton.addActionListener(this);
603: cancelButton = new JButton("取消"); 604: cancelButton.addActionListener(this);
605: add(okButton);
606: add(cancelButton);
607: setSize(600, 300);
608: setLocationRelativeTo(window);
609: setVisible(true);
610: }
611:
612: @Override
613: public void itemStateChanged(ItemEvent e) { 614: if (e.getStateChange() == ItemEvent.SELECTED) { 615: if (e.getSource() == nameCombo) { 616: fontName = (String) nameCombo.getSelectedItem();
617: } else if (e.getSource() == sizeCombo) { 618: fontSize = Integer.parseInt(sizeCombo.getSelectedItem().toString());
619: }
620: font = new Font(fontName, font.PLAIN, fontSize);
621: fontDisplay.setFont(font);
622: fontDisplay.repaint();
623: }
624: }
625:
626: @Override
627: public void actionPerformed(ActionEvent e) { 628: if (e.getSource() == fontColorButton) { 629: Color color = JColorChooser.showDialog(null, "选择字体颜色", getBackground());
630: textarea.setForeground(color);
631: } else if (e.getSource() == backGroundButton) { 632: Color color = JColorChooser.showDialog(null, "选择背景颜色", getBackground());
633: textarea.setForeground(color);
634: } else if (e.getSource() == okButton) { 635: textarea.setFont(font); // Set the selected font
636: setVisible(false);
637: } else if (e.getSource() == cancelButton) { 638: setVisible(false);
639: }
640: }
641: }
642:
643: //================================================================================================================
644: private class fileFilter extends FileFilter { 645:
646: String ext;
647:
648: public fileFilter(String ext) { 649: this.ext = ext;
650: }
651:
652: @Override
653: public boolean accept(File file) { 654: String name = file.getName().toLowerCase();
655: if (name.endsWith(ext) || file.isDirectory()) { 656: return true;
657: } else { 658: return false;
659: }
660: }
661:
662: @Override
663: public String getDescription() { 664: if (ext.equals("java")) { 665: return "*.java";
666: } else if (ext.equals("txt")) { 667: return "*.txt";
668: } else if (ext.equals("cpp")) { 669: return "*.cpp";
670: }
671: return "";
672: }
673: }
674: //================================================================================================================
675:
676: private class countDialog extends JDialog implements ActionListener { 677:
678: JLabel label1, label2, label3;
679: JTextField textField1, textField2, textField3;
680: JButton okButton;
681: JButton cancelButton;
682:
683: public countDialog(J_201126100207 window) { 684: GridLayout grid = new GridLayout(4, 2);
685: setLayout(grid);
686: setModal(true);
687: setTitle("统计英文数据"); 688:
689: label1 = new JLabel("以字母w 开头的单词数"); 690: add(label1);
691: textField1 = new JTextField();
692: textField1.setEditable(false);
693: add(textField1);
694: label2 = new JLabel("含'or'字符串的单词数"); 695: add(label2);
696: textField2 = new JTextField();
697: textField2.setEditable(false);
698: add(textField2);
699: label3 = new JLabel("长度为 3 的单词数"); 700: add(label3);
701: textField3 = new JTextField();
702: textField3.setEditable(false);
703: add(textField3);
704: JPanel okPanel = new JPanel();
705: okButton = new JButton("确定"); 706: okPanel.add(okButton);
707: okButton.addActionListener(this);
708: this.add(okPanel);
709: JPanel cancelPanel = new JPanel();
710: cancelButton = new JButton("退出"); 711: cancelPanel.add(cancelButton);
712: cancelButton.addActionListener(this);
713: this.add(cancelPanel);
714:
715: int beginWithW = 0, includeOr = 0, lengthEqualToThree = 0;
716: String str = textarea.getText();
717: if (!str.equals("")) { 718: String[] lines = str.split("\n"); 719: if (!lines.equals("")) { 720: for (String line : lines) { 721: String t[] = line.split(" "); 722: for (String temp : t) { 723: if (temp.charAt(0) == 'W' || temp.charAt(0) == 'w') { 724: beginWithW++;
725: }
726: if (temp.indexOf("or") != -1) { 727: includeOr++;
728: }
729: if (temp.length() == 3) { 730: lengthEqualToThree++;
731: }
1: }
2: }
3: }
4: textField1.setText(String.valueOf(beginWithW));
5: textField2.setText(String.valueOf(includeOr));
6: textField3.setText(String.valueOf(lengthEqualToThree));
7: setSize(400, 200);
8: setLocationRelativeTo(window);
9: setVisible(true);
10: }
11:
12: @Override
13: public void actionPerformed(ActionEvent e) { 14: if (e.getSource() == okButton || e.getSource() == cancelButton) { 15: this.setVisible(false);
16: }
17: }
18: }
19:
20: private class translateDialog extends JDialog implements ActionListener { 21:
22: JLabel cinLabel, coutLabel;
23: JTextField cinTextField, coutTextField;
24: JButton okButton;
25: JButton cancelButton;
26: String x[] = {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"}; 27: String y[] = {"ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"}; 28: String z[] = {"twenty", "thirty", "fourty", "fifty", "sixty", "seventy", "eighty", "ninety"}; 29:
30: public translateDialog(J_201126100207 window) { 31: GridLayout grid = new GridLayout(3, 2);
32: setLayout(grid);
33: setModal(true);
34: setTitle("数字与英文互译"); 35:
36: cinLabel = new JLabel("请输入一个不大于100的数字或英文："); 37: add(cinLabel);
38: cinTextField = new JTextField();
39: add(cinTextField);
40: coutLabel = new JLabel("显示翻译结果："); 41: add(coutLabel);
42: coutTextField = new JTextField();
43: coutTextField.setEditable(false);
44: add(coutTextField);
45:
46: JPanel okPanel = new JPanel();
47: okButton = new JButton("确定"); 48: okPanel.add(okButton);
49: add(okPanel);
50: okButton.addActionListener(this);
51: JPanel cancelPanel = new JPanel();
52: cancelButton = new JButton("取消"); 53: cancelPanel.add(cancelButton);
54: add(cancelPanel);
55: cancelButton.addActionListener(this);
56:
57: setSize(500, 150);
58: setLocationRelativeTo(window);
59: setVisible(true);
60: }
61:
62: @Override
63: public void actionPerformed(ActionEvent e) { 64: if (e.getSource() == okButton) { 65: String str = cinTextField.getText();
66: String trim = str.trim();
67: if (trim.equals("")) { 68: JOptionPane.showMessageDialog(translateDialog.this, "未按要求输入，请重新输入",
69: "错误", JOptionPane.ERROR_MESSAGE);
70: } else { 71: if (trim.charAt(0) <= '9' && trim.charAt(0) >= '0') { 72: int temp = Integer.parseInt(trim);
73: String s = null;
74: if (temp <= 9) { 75: s = x[temp];
76: }
77: if (temp >= 10 && temp <= 19) { 78: s = y[temp - 10];
79: } else if(temp>=20 && temp<=99){ 80: s = z[temp / 10 - 2];
81: if (temp % 10 != 0) { 82: s += " " + x[temp % 10];
83: }
84: }
85: coutTextField.setText(s);
86: }
87: else { 88: int answer = 0;
89: String[] part = trim.split(" "); 90: for (int i = 0; i < part.length; i++) { 91: if (!part[i].equals("")) { 92: for (int j = 0; j < x.length; j++) { 93: if(part[i].equals(x[j])){ 94: answer+=j+1;
95: }
96: }
97: for (int j = 0; j < y.length; j++) { 98: if(part[i].equals(y[j])){ 99: answer+=j+10;
100: }
101: }
102: for (int j = 0; j < z.length; j++) { 103: if(part[i].equals(z[j])){ 104: answer+=(j+2)*10;
105: }
106: }
107: }
108: }
109: coutTextField.setText(String.valueOf(answer));
110: }
111:
112: }
113: } else if (e.getSource() == cancelButton) { 114: this.setVisible(false);
115: }
116:
117: }
118: }
119:
120: private class repreatDialog extends JDialog implements ActionListener { 121:
122: JLabel cinLabel;
123: JTextField cinTextField;
124: JButton judgeButton;
125: JButton cancelButton;
126:
127: public repreatDialog(J_201126100207 window) { 128: GridLayout grid = new GridLayout(2, 2);
129: setLayout(grid);
130: setModal(true);
131: setTitle("回文数"); 132:
133: cinLabel = new JLabel("输入1-99999之间的整数:"); 134: add(cinLabel);
135: cinTextField = new JTextField();
136: add(cinTextField);
137: JPanel judgePanel = new JPanel();
138: judgeButton = new JButton("判断是否是回文数?"); 139: judgePanel.add(judgeButton);
140: add(judgePanel);
141: judgeButton.addActionListener(this);
142: JPanel cancelPanel = new JPanel();
143: cancelButton = new JButton("取消"); 144: cancelPanel.add(cancelButton);
145: add(cancelPanel);
146: cancelButton.addActionListener(this);
147:
148: setSize(400, 100);
149: setLocationRelativeTo(window);
150: setVisible(true);
151: }
152:
153: private boolean isLegal(String s) { 154: if (s.length() > 5) { 155: return false;
156: } else { 157: for (int i = 0; i < s.length(); i++) { 158: if (s.charAt(i) > '9' || s.charAt(i) < '0') { 159: return false;
160: }
161: }
162: }
163: return true;
164: }
165:
166: private boolean isReverse(String s) { 167: for (int i = 0; i < s.length(); i++) { 168: if (s.charAt(i) != s.charAt(s.length() - 1 - i)) { 169: return false;
170: }
171: }
172: return true;
173: }
174:
175: @Override
176: public void actionPerformed(ActionEvent e) { 177: if (e.getSource() == judgeButton) { 178: String str = cinTextField.getText();
179: if (str.equals("")) { 180: JOptionPane.showMessageDialog(repreatDialog.this, "未按要求输入，请重新输入",
181: "错误", JOptionPane.ERROR_MESSAGE);
182: } else if (isLegal(str)) { 183: if (isReverse(str)) { 184: JOptionPane.showMessageDialog(repreatDialog.this, str+"是回文数",
185: "确认", JOptionPane.INFORMATION_MESSAGE);
186: } else { 187: JOptionPane.showMessageDialog(repreatDialog.this, str+"不是回文数",
188: "确认", JOptionPane.INFORMATION_MESSAGE);
189: }
190: }
191: cinTextField.setText(""); 192:
193: } else if (e.getSource() == cancelButton) { 194: this.setVisible(false);
195: }
196: }
197: }
198:
199: private class sumDialog extends JDialog implements ActionListener, ChangeListener { 200:
201: JProgressBar progressBar;
202: JLabel sumLabel;
203: Timer timer;
204: JButton okButton;
205: int values = 0, number = 0, total = 0;
206: String[] lines, temp;
207:
208: public sumDialog(J_201126100207 window) { 209: GridLayout grid = new GridLayout(3, 1);
210: setLayout(grid);
211: setModal(true);
212: setTitle("文本文件求和"); 213:
214: sumLabel = new JLabel("", JLabel.CENTER); 215: this.add(sumLabel);
216: progressBar = new JProgressBar();
217: progressBar.setOrientation(JProgressBar.HORIZONTAL);
218: progressBar.setMinimum(0);
219: progressBar.setMaximum(100);
220: progressBar.setValue(0);
221: progressBar.setStringPainted(true);
222: progressBar.addChangeListener(this);
223: progressBar.setPreferredSize(new Dimension(200, 30));
224: progressBar.setBorderPainted(true);
225: this.add(progressBar);
226: timer = new Timer(5, this);
227: JPanel okPanel = new JPanel();
228: okButton = new JButton("开始计算"); 229: okPanel.add(okButton);
230: add(okPanel);
231: okButton.addActionListener(this);
232: setSize(400, 200);
233: setLocationRelativeTo(window);
234: setVisible(true);
235: }
236:
237: @Override
238: public void actionPerformed(ActionEvent e) { 239: if (e.getSource() == okButton) { 240: timer.start();
241: number = 0;
242: values = 0;
243: String str = textarea.getText();
244: lines = str.split("\n"); 245: for (int i = 0; i < lines.length; i++) { 246: temp = lines[i].split(" "); 247: for (int j = 0; j < temp.length; j++) { 248: total++;
249: }
250: }
251: for (int i = 0; i < lines.length; i++) { 252: for (int j = 0; j < temp.length; j++, number++) { 253: if (!temp[j].equals("")) { 254: values += Integer.parseInt(temp[j]);
255: }
256: }
257: }
258: } else if (e.getSource() == timer) { 259: int value = progressBar.getValue();
260: if (value < 100) { 261: value = (int) 100 * number / total;
262: progressBar.setValue(value);
263: } else { 264: timer.stop();
265: JOptionPane.showMessageDialog(sumDialog.this, Integer.toString(values),
266: "确认", JOptionPane.INFORMATION_MESSAGE);
267: progressBar.setValue(0);
268: }
269: }
270: }
271:
272: @Override
273: public void stateChanged(ChangeEvent e1) { 274: int value = progressBar.getValue();
275: if (e1.getSource() == progressBar) { 276: sumLabel.setText("目前已完成进度：" + Integer.toString(value) + "%"); 277: }
278: }
279: }
280: //================================================================================================================
281:
282: //窗口居中函数
283: public static void centerWindow(Window f) { 284: Toolkit tk = f.getToolkit();
285: Dimension dm = tk.getScreenSize();
286: f.setLocation((int) (dm.getWidth() - f.getWidth()) / 2, (int) (dm.getHeight() - f.getHeight()) / 2);
287: }
288:
289: public static void main(String[] args) { 290: JFrame fr = new J_201126100207("201126100207-姜楠-Java 程序设计综合实验"); 291: fr.setSize(1000, 500);
292: centerWindow(fr);
293: fr.setVisible(true);
294: }
295: }
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