jxl最全使用方法

1. package test;  
2.   
3. import java.io.File;  
4. import java.io.IOException;  
5. import java.net.MalformedURLException;  
6. import java.net.URL;  
7. import java.util.ArrayList;  
8. import java.util.Calendar;  
9. import java.util.Date;  
10.   
11. import jxl.CellType;  
12. import jxl.Workbook;  
13. import jxl.format.Alignment;  
14. import jxl.format.Border;  
15. import jxl.format.BorderLineStyle;  
16. import jxl.format.Colour;  
17. import jxl.format.ScriptStyle;  
18. import jxl.format.UnderlineStyle;  
19. import jxl.format.VerticalAlignment;  
20. import jxl.read.biff.BiffException;  
21. import jxl.write.Blank;  
22. import jxl.write.DateFormat;  
23. import jxl.write.DateFormats;  
24. import jxl.write.DateTime;  
25. import jxl.write.Formula;  
26. import jxl.write.Label;  
27. import jxl.write.Number;  
28. import jxl.write.NumberFormat;  
29. import jxl.write.WritableCell;  
30. import jxl.write.WritableCellFeatures;  
31. import jxl.write.WritableCellFormat;  
32. import jxl.write.WritableFont;  
33. import jxl.write.WritableHyperlink;  
34. import jxl.write.WritableImage;  
35. import jxl.write.WritableSheet;  
36. import jxl.write.WritableWorkbook;  
37. import jxl.write.WriteException;  
38.   
39. /** 
40.  *  
41.  * @author why 
42.  * 
43.  */  
44. public class ExcelTest {  
45.   
46.     /** 
47.      * @param args 
48.      * @throws IOException  
49.      * @throws BiffException  
50.      * @throws WriteException  
51.      */  
52.     public static void main(String[] args) throws IOException, BiffException, WriteException {  
53.         Workbook wb = Workbook.getWorkbook(new File("src\test\test.xls")); // 获得原始文档  
54.         WritableWorkbook workbook = Workbook.createWorkbook(new File("d:\test_modified.xls"),wb); // 创建一个可读写的副本  
55.           
56.           
57.         /** 
58.          * 定义与设置Sheet 
59.          */  
60.         WritableSheet sheet = workbook.getSheet(0);  
61.         sheet.setName("修改后"); // 给sheet页改名  
62.         workbook.removeSheet(2); // 移除多余的标签页  
63.         workbook.removeSheet(3);  
64.           
65.         sheet.mergeCells(0, 0, 4, 0); // 合并单元格  
66.         sheet.setRowView(0, 600); // 设置行的高度  
67.         sheet.setColumnView(0, 30); // 设置列的宽度  
68.         sheet.setColumnView(1, 20); // 设置列的宽度  
69.           
70.          WritableCell cell = null;  
71.          WritableCellFormat wcf = null;  
72.          Label label = null;  
73.          WritableCellFeatures wcfeatures = null;  
74.           
75.          // 更改标题字体  
76.          cell = sheet.getWritableCell(0,0);  
77.          WritableFont titleWf = new WritableFont(WritableFont.createFont("仿宋_GB2312"),// 字体  
78.                                                  20,//WritableFont.DEFAULT_POINT_SIZE,  // 字号  
79.                                                  WritableFont.NO_BOLD,                  // 粗体  
80.                                                  false,                                 // 斜体  
81.                                                  UnderlineStyle.NO_UNDERLINE,           // 下划线  
82.                                                  Colour.BLUE2,                          // 字体颜色  
83.                                                  ScriptStyle.NORMAL_SCRIPT);  
84.          wcf = new WritableCellFormat(titleWf);  
85.          wcf.setBackground(Colour.GRAY_25);// 设置单元格的背景颜色  
86.          wcf.setAlignment(Alignment.CENTRE); // 设置对齐方式  
87.          wcf.setBorder(Border.ALL, BorderLineStyle.THICK); // 添加边框  
88.          cell.setCellFormat(wcf);  
89.           
90.          // 将B3的字体改为仿宋_GB2312  
91.          cell = sheet.getWritableCell(1,2);  
92.          WritableFont fs = new WritableFont(WritableFont.createFont("仿宋_GB2312"),  
93.                                            11);  
94.          wcf = new WritableCellFormat(fs);  
95.          cell.setCellFormat(wcf);  
96.           
97.          // 将B4的字号改为20  
98.          cell = sheet.getWritableCell(1,3);  
99.          WritableFont size20 = new WritableFont(WritableFont.createFont("宋体"),   
100.                                                20);  
101.          wcf = new WritableCellFormat(size20);  
102.          cell.setCellFormat(wcf);  
103.           
104.          // 将B5的字体改为加粗  
105.          cell = sheet.getWritableCell(1,4);  
106.          WritableFont bold = new WritableFont(WritableFont.createFont("宋体"),   
107.                                                11,  
108.                                                WritableFont.BOLD);  
109.          wcf = new WritableCellFormat(bold);  
110.          cell.setCellFormat(wcf);  
111.           
112.          // 将B6的字体改为倾斜  
113.          cell = sheet.getWritableCell(1,5);  
114.          WritableFont italic = new WritableFont(WritableFont.createFont("宋体"),   
115.                                                 11,  
116.                                                 WritableFont.NO_BOLD,  
117.                                                 true);  
118.          wcf = new WritableCellFormat(italic);  
119.          cell.setCellFormat(wcf);  
120.           
121.          // 将B7字体加下划线  
122.          cell = sheet.getWritableCell(1,6);  
123.          WritableFont underline = new WritableFont(WritableFont.createFont("宋体"),   
124.                                                    11,  
125.                                                    WritableFont.NO_BOLD,  
126.                                                    false,  
127.                                                    UnderlineStyle.SINGLE);  
128.          wcf = new WritableCellFormat(underline);  
129.          cell.setCellFormat(wcf);  
130.           
131.          // 将B8的文字改为“待修改文字-已修改”  
132.          cell = sheet.getWritableCell(1,7);  
133.          if (cell.getType() == CellType.LABEL)  
134.          {  
135.              Label lc = (Label) cell;  
136.              lc.setString(lc.getString() + " - 已修改");  
137.          }  
138.           
139.          // 将B9文字对齐方式改为垂直居中、右对齐  
140.          cell = sheet.getWritableCell(1,8);  
141.          WritableFont align = new WritableFont(WritableFont.createFont("宋体"),   
142.                                                   11);  
143.          wcf = new WritableCellFormat(align);  
144.          wcf.setAlignment(Alignment.RIGHT); // 设置为右对齐  
145.          wcf.setVerticalAlignment(VerticalAlignment.CENTRE); // 设置为垂直居中  
146.          cell.setCellFormat(wcf);  
147.           
148.          // 将E3文字改为自动换行  
149.          cell = sheet.getWritableCell(4,2);  
150.          WritableFont justify = new WritableFont(WritableFont.createFont("宋体"),   
151.                                                   11);  
152.          wcf = new WritableCellFormat(justify);  
153.          wcf.setAlignment(Alignment.JUSTIFY);  
154.          cell.setCellFormat(wcf);  
155.           
156.           
157.          // 将B12的数字有效位数从5位改为7位  
158.          cell = sheet.getWritableCell(1,11);  
159.          NumberFormat sevendps = new NumberFormat("#.0000000");  
160.          wcf = new WritableCellFormat(sevendps);  
161.          cell.setCellFormat(wcf);  
162.           
163.          // 将B13改为4位科学计数法表示  
164.          cell = sheet.getWritableCell(1,12);  
165.          NumberFormat exp4 = new NumberFormat("0.####E0");  
166.          wcf = new WritableCellFormat(exp4);  
167.          cell.setCellFormat(wcf);  
168.           
169.          // 将B14改为默认数字表示  
170.          cell = sheet.getWritableCell(1,13);  
171.          cell.setCellFormat(WritableWorkbook.NORMAL_STYLE);  
172.           
173.          // 将B15数字类型的值17改为22  
174.          cell = sheet.getWritableCell(1,14);  
175.          if (cell.getType() == CellType.NUMBER)  
176.          {  
177.              Number n = (Number) cell;  
178.              n.setValue(42);  
179.          }  
180.           
181.          // 将B16的值2.71进行加法运算2.71 + 0.1  
182.          cell = sheet.getWritableCell(1,15);  
183.          if (cell.getType() == CellType.NUMBER)  
184.          {  
185.              Number n = (Number) cell;  
186.              n.setValue(n.getValue() + 0.1);  
187.          }  
188.           
189.          // 将B19日期格式改为默认  
190.          cell = sheet.getWritableCell(1,18);  
191.          wcf = new WritableCellFormat(DateFormats.FORMAT9);  
192.          cell.setCellFormat(wcf);  
193.           
194.          // 将B20日期格式改为dd MMM yyyy HH:mm:ss  
195.          cell = sheet.getWritableCell(1,19);  
196.          DateFormat df = new DateFormat("dd MMM yyyy HH:mm:ss");  
197.          wcf = new WritableCellFormat(df);  
198.          cell.setCellFormat(wcf);  
199.           
200.          // 将B21的日期设置为 2011-6-1 11:18:50  
201.          cell = sheet.getWritableCell(1,20);  
202.          if (cell.getType() == CellType.DATE)  
203.          {  
204.              DateTime dt = (DateTime) cell;  
205.              Calendar cal = Calendar.getInstance();  
206.              cal.set(2011, 5, 1, 11, 18, 50);  
207.              Date d = cal.getTime();  
208.              dt.setDate(d);  
209.          }  
210.           
211.           
212.          // 将B24文字添加链接http://www.baidu.com  
213.          WritableHyperlink link = new WritableHyperlink(1, 23, new URL("http://www.baidu.com"));  
214.          sheet.addHyperlink(link);  
215.           
216.          // 更改URL链接  
217.          WritableHyperlink hyperlinks[] = sheet.getWritableHyperlinks();  
218.          for (int i = 0; i < hyperlinks.length; i++) {  
219.              WritableHyperlink wh = hyperlinks[i];  
220.              if (wh.getColumn() == 1 && wh.getRow() == 24) {  
221.                  // 将B25文字链接取消  
222.                  sheet.removeHyperlink(wh,true);//true：保留文字；false：删除文字  
223.              }else if(wh.getColumn() == 1 && wh.getRow() == 25){  
224.                  try {  
225.                      // 将B26链接更改为http://wuhongyu.javaeye.com  
226.                      wh.setURL(new URL("http://wuhongyu.javaeye.com"));  
227.                  } catch (MalformedURLException e) {  
228.                      e.printStackTrace();  
229.                  }  
230.              }  
231.          }  
232.           
233.           
234.          // 利用公式取得B29、B30的值  
235.          Formula f1 = new Formula(1, 28, "SUM(C29:D29)");  
236.          sheet.addCell(f1);  
237.          Formula f2 = new Formula(1, 29, "AVERAGE(C30:G30)");  
238.          sheet.addCell(f2);  
239.           
240.          // 在B32处添加图片，图片大小占10行3列，只支持png格式  
241.          File file = new File("d:\shu05.png");  
242.          WritableImage image = new WritableImage(1, 31, 3, 10, file);  
243.          sheet.addImage(image);  
244.           
245.          // 在A44出添加内容"Added drop down validation"，并为其添加注释  
246.          label = new Label(0, 43, "Added drop down validation");  
247.          wcfeatures = new WritableCellFeatures();  
248.          wcfeatures.setComment("右边列是个下拉列表");  
249.          label.setCellFeatures(wcfeatures);  
250.          sheet.addCell(label);  
251.            
252.          // 在B44处添加一个下拉列表并添加注释  
253.          Blank b = new Blank(1, 43);  
254.          wcfeatures = new WritableCellFeatures();  
255.          ArrayList al = new ArrayList();  
256.          al.add("why");  
257.          al.add("landor");  
258.          al.add("tjm");  
259.          wcfeatures.setDataValidationList(al);  
260.          wcfeatures.setComment("这是一个注释");  
261.          b.setCellFeatures(wcfeatures);  
262.          sheet.addCell(b);  
263.            
264.          // 为A46添加注释。  
265.          // 此处比较麻烦，试了多次发现必须将cell强制类型转换、添加CellFeatures再修改注释才可用，不知有没有更好的办法。  
266.          cell = sheet.getWritableCell(0,45);  
267.          wcfeatures = new WritableCellFeatures();  
268.          wcfeatures.setComment("这个注释不会被显示，删了这行还不行,MD");  
269.          cell.setCellFeatures(wcfeatures);  
270.            
271.          label = (Label) cell;  
272. //       label.setCellFeatures(wcfeatures);// 直接这样写会报一个警告（“注释已存在”），但那个注释仍会被显示。  
273.          label.addCellFeatures();  
274.          label.getWritableCellFeatures().setComment("终于加上注释了，哈哈哈哈");  
275.            
276.            
277. //      if (cell instanceof Number) {  
278. //          Number num = (Number) cell;  
279. //          num.setCellFeatures(wcfeatures);  
280. //      } else if (cell instanceof jxl.write.Boolean) {  
281. //          jxl.write.Boolean bool = (jxl.write.Boolean) cell;  
282. //          bool.setCellFeatures(wcfeatures);  
283. //      } else if (cell instanceof jxl.write.DateTime) {  
284. //          jxl.write.DateTime dt = (jxl.write.DateTime) cell;  
285. //          dt.setCellFeatures(wcfeatures);  
286. //      } else {  
287. //          Label _label = (Label) cell;  
288. //          _label.setCellFeatures(wcfeatures);  
289. //      }  
290.            
291.          workbook.write();  
292.          workbook.close();  
293.          wb.close();  
294.     }  
295.   
296. }