Question

java语言怎么读取excel文件公式计算后的值

Answer 1

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 }