我正在将 Excel 文件上传到服务器参考:如何使用 JSP/Servlet 将文件上传到服务器?
这是我的代码导致错误
public static ArrayList<MOPBDMMapping> readExcel(InputStream fileInputStream)
{
ArrayList<MOPBDMMapping> mappings = new ArrayList<MOPBDMMapping>();
try{
HSSFWorkbook workbook = new HSSFWorkbook(fileInputStream);
HSSFSheet worksheet = workbook.getSheetAt(0);
HSSFRow row1 = worksheet.getRow(0);
int noOfRows = worksheet.getLastRowNum();
for(int i = 1 ; i <= noOfRows ; i++){
MOPBDMMapping mapping = new MOPBDMMapping();
HSSFCell cell1 = row1.getCell(0);
mapping.setMappingID(cell1.getStringCellValue());
HSSFCell cell2 = row1.getCell(1);
mapping.setMopID(cell2.getStringCellValue());
HSSFCell cell3 = row1.getCell(2);
mapping.setMopName(cell3.getStringCellValue());
HSSFCell cell4 = row1.getCell(3);
mapping.setBdmID(cell4.getStringCellValue());
HSSFCell cell5 = row1.getCell(4);
mapping.setBdmName(cell5.getStringCellValue());
HSSFCell cell6 = row1.getCell(5);
mapping.setBranch(cell6.getStringCellValue());
HSSFCell cell7 = row1.getCell(6);
mapping.setStartDate(cell7.getDateCellValue()); //Error Line
HSSFCell cell8 = row1.getCell(7);
mapping.setEndDate(cell8.getDateCellValue());
HSSFCell cell9 = row1.getCell(8);
mapping.setActive(cell9.getStringCellValue());
mappings.add(mapping);
}
System.out.println(mappings.size());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return mappings;
}
}
这是抛出的异常
java.lang.IllegalStateException: Cannot get a numeric value from a text cell
org.apache.poi.hssf.usermodel.HSSFCell.typeMismatch(HSSFCell.java:643)
org.apache.poi.hssf.usermodel.HSSFCell.getNumericCellValue(HSSFCell.java:668)
org.apache.poi.hssf.usermodel.HSSFCell.getDateCellValue(HSSFCell.java:689)
com.tcs.rspm.mops.business.ExcelReader.readExcel(ExcelReader.java:52)
com.tcs.rspm.mop.upload.ExcelUploadController.doPost(ExcelUploadController.java:42)
javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
这是我的 Servlet 代码
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("In controller..");
try {
List<FileItem> items = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);
for (FileItem item : items) {
if (item.isFormField()) {
// Process regular form field (input type="text|radio|checkbox|etc", select, etc).
String fieldname = item.getFieldName();
String fieldvalue = item.getString();
System.out.println( "Normal Field : " + fieldname + fieldvalue);
// ... (do your job here)
} else {
// Process form file field (input type="file").
String fieldname = item.getFieldName();
String filename = FilenameUtils.getName(item.getName());
System.out.println("File field : " + fieldname + filename );
InputStream filecontent = item.getInputStream();
ExcelReader.readExcel(filecontent);
}
}
} catch (FileUploadException e) {
throw new ServletException("Cannot parse multipart request.", e);
}
System.out.println("Out controller..");
// ...
}
可能是什么原因?'08/12/13' 是 excel 表中的条目吗?有什么解决办法吗?