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java通過(guò)InputStream讀取和寫(xiě)入文件操作e69da5e6ba903231313335323631343130323136353331333365643662實(shí)例代碼

1. File to InputStream

File file = new File("file.xml");

InputStream inputStream = new FileInputStream(file);

2.InputStream to File

InputStream inputStream = new FileInputStream("file.xml");

OutputStream ?outputStream = new FileOutputStream("file-new.xml");

int bytesWritten = 0;

int byteCount = 0;

byte[] bytes = new byte[1024];

while ((byteCount = inputStream.read(bytes)) != -1)

{

outputStream.write(bytes, bytesWritten, byteCount);

bytesWritten += byteCount;

}

inputStream.close();

outputStream.close();

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