使用JXL创建Excel

1. import java.io.File;  
2. import java.io.IOException;  
3.   
4. import jxl.format.Alignment;  
5. import jxl.format.Border;  
6. import jxl.format.BorderLineStyle;  
7. import jxl.format.Colour;  
8. import jxl.format.UnderlineStyle;  
9. import jxl.write.Label;  
10. import jxl.write.NumberFormats;  
11. import jxl.write.WritableCellFormat;  
12. import jxl.write.WritableFont;  
13. import jxl.write.WritableSheet;  
14. import jxl.write.WritableWorkbook;  
15. import jxl.write.WriteException;  
16. import jxl.write.biff.RowsExceededException;  
17.   
18. public class JxlTable {  
19.   
20.     private final static JxlTable jxlTable = new JxlTable();  
21.   
22.     public static JxlTable getInstance() {  
23.         return jxlTable;  
24.     }  
25.       
26.     public JxlTable(){}  
27.       
28.     /** 
29.      * 根据输入的内容创建一个表格 
30.      * 要求： 
31.      * 表头表格线为粗线，表体表格线为细线； 
32.      * 表头背景色为黄色且表头字体加粗居中显示，表体为无色； 
33.      * 表头以及表体内容可以按照一定的格式输入； 
34.      *  
35.      * 保留一个sheet且sheet的背景为无网格线; 
36.      *  
37.      * @return 创建成功：true；创建失败：false； 
38.      */  
39.     public boolean createTable(String header,String[] body,String filePath){  
40.         boolean createFlag = true;  
41.           
42.         WritableWorkbook book;  
43.         try {  
44.             //根据路径生成excel文件  
45.             book = Workbook.createWorkbook(new File(filePath));  
46.             //创建一个sheet名为"表格"  
47.             WritableSheet sheet = book.createSheet("表格", 0);  
48.               
49.             //设置NO列宽度  
50.             sheet.setColumnView(1, 5);  
51.             //去掉整个sheet中的网格线  
52.             sheet.getSettings().setShowGridLines(false);  
53.               
54.             Label tempLabel = null;  
55.             //表头输出  
56.             String[] headerArr = header.split(",");  
57.             int headerLen = headerArr.length;  
58.             //循环写入表头内容  
59.             for(int i=0; i < headerLen; i ++){  
60.                 tempLabel = new Label(1+i,1,headerArr[i],getHeaderCellStyle());  
61.                 sheet.addCell(tempLabel);  
62.             }  
63.             //表体输出  
64.             int bodyLen = body.length;  
65.             //循环写入表体内容  
66.             for(int j=0; j < bodyLen; j ++){  
67.                 String[] bodyTempArr = body[j].split(",");  
68.                 for(int k=0; k < bodyTempArr.length; k ++){  
69.                     WritableCellFormat tempCellFormat = null;  
70.                     /* 
71.                      * 表体内容的对齐设置 
72.                      * 这里将序号NO以及年龄居中对齐，姓名以及性别默认对齐方式 
73.                      */  
74.                     tempCellFormat = getBodyCellStyle();  
75.                     if(tempCellFormat != null){  
76.                         if(k == 0 || k == (bodyTempArr.length -1)){  
77.                             tempCellFormat.setAlignment(Alignment.CENTRE);  
78.                         }  
79.                     }  
80.                     tempLabel = new Label(1+k,2+j,bodyTempArr[k],tempCellFormat);  
81.                     sheet.addCell(tempLabel);  
82.                 }  
83.                   
84.             }  
85.             book.write();  
86.             book.close();  
87.         } catch (IOException e) {  
88.             createFlag = false;  
89.             System.out.println("EXCEL创建失败！");  
90.             e.printStackTrace();  
91.               
92.         }catch (RowsExceededException e) {  
93.             createFlag = false;  
94.             System.out.println("EXCEL单元设置创建失败！");  
95.             e.printStackTrace();  
96.         } catch (WriteException e) {  
97.             createFlag = false;  
98.             System.out.println("EXCEL写入失败！");  
99.             e.printStackTrace();  
100.         }  
101.   
102.         return createFlag;  
103.           
104.     }  
105.     /** 
106.      * 表头单元格样式的设定 
107.      */  
108.     public WritableCellFormat getHeaderCellStyle(){  
109.           
110.         /* 
111.          * WritableFont.createFont("宋体")：设置字体为宋体 
112.          * 10：设置字体大小 
113.          * WritableFont.BOLD:设置字体加粗（BOLD：加粗     NO_BOLD：不加粗） 
114.          * false：设置非斜体 
115.          * UnderlineStyle.NO_UNDERLINE：没有下划线 
116.          */  
117.         WritableFont font = new WritableFont(WritableFont.createFont("宋体"),  
118.                                              10,   
119.                                              WritableFont.BOLD,   
120.                                              false,  
121.                                              UnderlineStyle.NO_UNDERLINE);  
122.           
123.         WritableCellFormat headerFormat = new WritableCellFormat(NumberFormats.TEXT);  
124.         try {  
125.             //添加字体设置  
126.             headerFormat.setFont(font);  
127.             //设置单元格背景色：表头为黄色  
128.             headerFormat.setBackground(Colour.YELLOW);  
129.             //设置表头表格边框样式  
130.             //整个表格线为粗线、黑色  
131.             headerFormat.setBorder(Border.ALL, BorderLineStyle.THICK, Colour.BLACK);  
132.             //表头内容水平居中显示  
133.             headerFormat.setAlignment(Alignment.CENTRE);      
134.         } catch (WriteException e) {  
135.             System.out.println("表头单元格样式设置失败！");  
136.         }  
137.         return headerFormat;  
138.     }  
139.     /** 
140.      * 表头单元格样式的设定 
141.      */  
142.     public WritableCellFormat getBodyCellStyle(){  
143.           
144.         /* 
145.          * WritableFont.createFont("宋体")：设置字体为宋体 
146.          * 10：设置字体大小 
147.          * WritableFont.NO_BOLD:设置字体非加粗（BOLD：加粗     NO_BOLD：不加粗） 
148.          * false：设置非斜体 
149.          * UnderlineStyle.NO_UNDERLINE：没有下划线 
150.          */  
151.         WritableFont font = new WritableFont(WritableFont.createFont("宋体"),  
152.                                              10,   
153.                                              WritableFont.NO_BOLD,   
154.                                              false,  
155.                                              UnderlineStyle.NO_UNDERLINE);  
156.           
157.         WritableCellFormat bodyFormat = new WritableCellFormat(font);  
158.         try {  
159.             //设置单元格背景色：表体为白色  
160.             bodyFormat.setBackground(Colour.WHITE);  
161.             //设置表头表格边框样式  
162.             //整个表格线为细线、黑色  
163.             bodyFormat.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);  
164.               
165.         } catch (WriteException e) {  
166.             System.out.println("表体单元格样式设置失败！");  
167.         }  
168.         return bodyFormat;  
169.     }  
170.       
171.     public static void main(String[] args) {  
172.         String header = "NO,姓名,性别,年龄";  
173.         String[] body = new String[4];  
174.         body[0] = "1,欧阳锋,男,68";  
175.         body[1] = "2,黄药师,男,67";  
176.         body[2] = "3,洪七公,男,70";  
177.         body[3] = "4,郭靖,男,32";  
178.         String filePath = "e:/test.xls";  
179.           
180.         JxlTable testJxl = JxlTable.getInstance();  
181.           
182.         boolean flag = testJxl.createTable(header, body, filePath);  
183.         if(flag){  
184.             System.out.println("表格创建成功！！");  
185.         }  
186.     }  
187. }