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import org.apache.commons.compress.archivers.ArchiveEntry;

import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;

import org.apache.commons.io.IOUtils;

2:代码片段:

ZipArchiveInputStream zais = new ZipArchiveInputStream(zipFileForm.getInputStream(), “GBK”, true);

ArchiveEntry archiveEntry = null;

while((archiveEntry = zais.getNextEntry()) != null) {

//获取文件名

String entryFileName = archiveEntry.getName();

//只处理包中的*.xls文件

if(!entryFileName.endsWith(“.xls”)){

continue;

}

// 把解压后的数据写到内存数组中.

ByteArrayOutputStream baos = new ByteArrayOutputStream();

IOUtils.copy(zais, baos);

//把解压后的内存数组与ByteArrayInputStream关联

ByteArrayInputStream oneUnzipedIS = new ByteArrayInputStream(baos.toByteArray());

}