使用POI的例外

我使用的是poi 3.7,上传的文件是.xlsx

控制台显示:

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.<init>(XSSFWorkbook.java:186)

at poi.POITest.ReadAndPrintExcelFile(POITest.java:15)

at poi.POITest.main(POITest.java:59)

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:147)

at org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:592)

at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:222)

at org.apache.poi.util.PackageHelper.open(PackageHelper.java:39)

... 3 more

回答:

只需使用 org.apache.poi.ss.usermodel.WorkbookFactory而不是创建实例即可:new HSSFWorkbook()new XSSFWorkbook()

Workbook exWorkBook = WorkbookFactory.create(excelInputStream);

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