java poi读取excel公式，返回计算值（转）

http://blog.csdn.net/CYZERO/article/details/6573015

经测试，确实可以

1 package hrds.zpf.poi;
2
3 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
4 import org.apache.poi.hssf.usermodel.HSSFSheet;
5 import org.apache.poi.hssf.usermodel.HSSFRow;
6 import org.apache.poi.hssf.usermodel.HSSFCell;
7
8 import java.io.*;
9
10 public class FormulaToString {
11
12     /**
13      * @param args
14      */
15     public void fileInput() throws IOException {
16
17         HSSFWorkbook hw = new HSSFWorkbook(new FileInputStream(
18                 "d:/My Documents/Desktop/poi.xls"));
19         HSSFSheet hsheet = hw.getSheet("poi test");
20         HSSFRow hrow = hsheet.getRow(0);
21         HSSFCell hcell = hrow.getCell(0);
22         String cellValue = this.getCellValue(hcell);
23         System.out.println(cellValue);
24
25     }
26
27     public String getCellValue(HSSFCell cell) {
28         String value = null;
29         if (cell != null) {
30             switch (cell.getCellType()) {
31             case HSSFCell.CELL_TYPE_FORMULA:
32                 // cell.getCellFormula();
33                 try {
34                     value = String.valueOf(cell.getNumericCellValue());
35                 } catch (IllegalStateException e) {
36                     value = String.valueOf(cell.getRichStringCellValue());
37                 }
38                 break;
39             case HSSFCell.CELL_TYPE_NUMERIC:
40                 value = String.valueOf(cell.getNumericCellValue());
41                 break;
42             case HSSFCell.CELL_TYPE_STRING:
43                 value = String.valueOf(cell.getRichStringCellValue());
44                 break;
45             }
46         }
47
48         return value;
49     }
50
51     public static void main(String[] args) {
52         try {
53             // TODO Auto-generated method stub
54             FormulaToString fts = new FormulaToString();
55             fts.fileInput();
56         } catch (IOException e) {
57             e.printStackTrace();
58         }
59     }
60
61 }

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java poi读取excel公式，返回计算值（转）

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