在.zip文件中有多個文件,我試圖獲取。嘗試解壓縮文件會提供java.lang.IllegalStateException:zis.nextEntry不能爲null。如何以正確的方式做到這一點?錯誤「不能爲null」在Kotlin中
@Throws(IOException::class)
fun unzip(zipFile: File, targetDirectory: File) {
val zis = ZipInputStream(
BufferedInputStream(FileInputStream(zipFile)))
try {
var ze: ZipEntry
var count: Int
val buffer = ByteArray(8192)
ze = zis.nextEntry
while (ze != null) {
val file = File(targetDirectory, ze.name)
val dir = if (ze.isDirectory) file else file.parentFile
if (!dir.isDirectory && !dir.mkdirs())
throw FileNotFoundException("Failed to ensure directory: " + dir.absolutePath)
if (ze.isDirectory)
continue
val fout = FileOutputStream(file)
try {
count = zis.read(buffer)
while (count != -1) {
fout.write(buffer, 0, count)
count = zis.read(buffer)
}
} finally {
fout.close()
zis.closeEntry()
ze = zis.nextEntry
}
}
} finally {
zis.closeEntry()
zis.close()
}
}
顯示調用該方法的代碼。 – zulq