异常如下:

org.apache.poi.EmptyFileException: The supplied file was empty (zero bytes long)

at org.apache.poi.util.IOUtils.peekFirstNBytes(IOUtils.java:74)

at org.apache.poi.util.IOUtils.peekFirst8Bytes(IOUtils.java:57)

at org.apache.poi.poifs.filesystem.FileMagic.valueOf(FileMagic.java:135)

at org.apache.poi.openxml4j.opc.internal.ZipHelper.verifyZipHeader(ZipHelper.java:175)

at org.apache.poi.openxml4j.opc.internal.ZipHelper.openZipStream(ZipHelper.java:209)

at org.apache.poi.openxml4j.opc.ZipPackage.(ZipPackage.java:98)

at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:324)

at org.apache.poi.util.PackageHelper.open(PackageHelper.java:37)

at org.apache.poi.xwpf.usermodel.XWPFDocument.(XWPFDocument.java:116)

不知道如何避免这个异常,

怎样判断word文档内容是否为空呢?或者怎样获取到文档的大小呢?

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