org.apache.poi.POIXMLException：org.apache.poi.openxml4j.exceptions.InvalidFormatException：

我正在使用以下jar文件：

dom4j-1.6.1.jar poi-3.9-20121203.jar poi-ooxml-3.9-20121203.jar poi-ooxml-schemas-3.9-20121203.jar xmlbeans-2.3.0.jar 

码：

 package ExcelTest; import java.io.File; import java.io.FileInputStream; import java.util.Iterator; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class Test { public static void main(String[] args) { try { FileInputStream file = new FileInputStream(new File("G:\\Selenium Jar Files\\TestData\\Data.xls")); //Create Workbook instance holding reference to .xlsx file XSSFWorkbook workbook = new XSSFWorkbook(file); //Get first/desired sheet from the workbook XSSFSheet sheet = workbook.getSheetAt(0); //Iterate through each rows one by one Iterator rowIterator = sheet.iterator(); while (rowIterator.hasNext()) { Row row = rowIterator.next(); //For each row, iterate through all the columns Iterator cellIterator = row.cellIterator(); while (cellIterator.hasNext()) { Cell cell = cellIterator.next(); //Check the cell type and format accordingly switch (cell.getCellType()) { case Cell.CELL_TYPE_NUMERIC: System.out.print(cell.getNumericCellValue() + "t"); break; case Cell.CELL_TYPE_STRING: System.out.print(cell.getStringCellValue() + "t"); break; } } System.out.println(""); } file.close(); } catch (Exception e) { e.printStackTrace(); } } } 

编译时，我收到以下错误：

 org.apache.poi.POIXMLException: org.apache.poi.openxml4j.exceptions.InvalidFormatException: Package should contain a content type part [M1.13] at org.apache.poi.util.PackageHelper.open(PackageHelper.java:41) at org.apache.poi.xssf.usermodel.XSSFWorkbook.(XSSFWorkbook.java:218) at ExcelTest.Test.main(Test.java:21) Caused by: org.apache.poi.openxml4j.exceptions.InvalidFormatException: Package should contain a content type part [M1.13] at org.apache.poi.openxml4j.opc.ZipPackage.getPartsImpl(ZipPackage.java:199) at org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:665) at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:274) at org.apache.poi.util.PackageHelper.open(PackageHelper.java:39) ... 2 more 

我已经通过链接但无法解决问题。 使用Apache POI读取xlsx文件时获取exception（org.apache.poi.openxml4j.exception – 无内容类型[M1.13]）？

谁能帮帮我吗？

Answer 1

您正在尝试使用xlsx显式实现poi类来读取xls 。

G：\ Selenium Jar Files \ TestData \ Data。 XLS

使用HSSFWorkbook和HSSFSheet类，或者通过使用共享接口使您的实现更通用;

更改：

 XSSFWorkbook workbook = new XSSFWorkbook(file); 

至：

  org.apache.poi.ss.usermodel.Workbook workbook = WorkbookFactory.create(file); 

并改变：

 XSSFSheet sheet = workbook.getSheetAt(0); 

至：

 org.apache.poi.ss.usermodel.Sheet sheet = workbook.getSheetAt(0); 

Answer 2

您正在尝试访问XLS文件。 但是，您正在使用XSSFWorkbook和XSSFSheet类对象。 这些类主要用于XLSX文件。

对于XLS文件： HSSFWorkbook和HSSFSheet
对于XLSX文件： XSSFSheet和XSSFSheet

因此，代替XSSFWorkbook使用HSSFWorkbook而不是XSSFSheet使用HSSFSheet 。

因此，在进行更改后，您的代码应如下所示：

 HSSFWorkbook workbook = new HSSFWorkbook(file); HSSFSheet sheet = workbook.getSheetAt(0); 

Answer 3

尝试这个：

 package my_default; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.Iterator; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class Test { public static void main(String[] args) { try { // Create Workbook instance holding reference to .xlsx file XSSFWorkbook workbook = new XSSFWorkbook(); // Get first/desired sheet from the workbook XSSFSheet sheet = createSheet(workbook, "Sheet 1", false); // XSSFSheet sheet = workbook.getSheetAt(1);//Don't use this line // because you get Sheet index (1) is out of range (no sheets) //Write some information in the cells or do what you want XSSFRow row1 = sheet.createRow(0); XSSFCell r1c2 = row1.createCell(0); r1c2.setCellValue("NAME"); XSSFCell r1c3 = row1.createCell(1); r1c3.setCellValue("AGE"); //Save excel to HDD Drive File pathToFile = new File("D:\\test.xlsx"); if (!pathToFile.exists()) { pathToFile.createNewFile(); } FileOutputStream fos = new FileOutputStream(pathToFile); workbook.write(fos); fos.close(); System.out.println("Done"); } catch (Exception e) { e.printStackTrace(); } } private static XSSFSheet createSheet(XSSFWorkbook wb, String prefix, boolean isHidden) { XSSFSheet sheet = null; int count = 0; for (int i = 0; i < wb.getNumberOfSheets(); i++) { String sName = wb.getSheetName(i); if (sName.startsWith(prefix)) count++; } if (count > 0) { sheet = wb.createSheet(prefix + count); } else sheet = wb.createSheet(prefix); if (isHidden) wb.setSheetHidden(wb.getNumberOfSheets() - 1, XSSFWorkbook.SHEET_STATE_VERY_HIDDEN); return sheet; } }