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java鎬庝箞澶勭悊浜岃繘鍒舵枃浠舵祦

扬州沐宇科技
2023-12-08 13:27:33
Java

鍦↗ava涓紝鍙互浣跨敤InputStream鍜孫utputStream鏉ュ鐞嗕簩杩涘埗鏂囦欢娴併€?/p>

瑕佽鍙栦簩杩涘埗鏂囦欢锛屽彲浠ヤ娇鐢‵ileInputStream鍜孊ufferedInputStream鏉ュ垱寤轰竴涓緭鍏ユ祦銆備緥濡傦細

try (FileInputStream fis = new FileInputStream("file.bin");
     BufferedInputStream bis = new BufferedInputStream(fis)) {
    int bufferSize = 1024;
    byte[] buffer = new byte[bufferSize];
    int bytesRead;
    while ((bytesRead = bis.read(buffer, 0, bufferSize)) != -1) {
        // 澶勭悊璇诲彇鐨勪簩杩涘埗鏁版嵁
    }
} catch (IOException e) {
    e.printStackTrace();
}

瑕佸啓鍏ヤ簩杩涘埗鏂囦欢锛屽彲浠ヤ娇鐢‵ileOutputStream鍜孊ufferedOutputStream鏉ュ垱寤轰竴涓緭鍑烘祦銆備緥濡傦細

try (FileOutputStream fos = new FileOutputStream("file.bin");
     BufferedOutputStream bos = new BufferedOutputStream(fos)) {
    byte[] data = // 瑕佸啓鍏ョ殑浜岃繘鍒舵暟鎹?/span>
    bos.write(data);
    bos.flush();
} catch (IOException e) {
    e.printStackTrace();
}

鍦ㄥ鐞嗕簩杩涘埗鏂囦欢娴佹椂锛屽彲浠ユ牴鎹渶瑕佷娇鐢ㄤ笉鍚岀殑鏂规硶锛屼緥濡備娇鐢╮ead()鏂规硶閫愪釜瀛楄妭璇诲彇鏁版嵁锛屾垨鑰呬娇鐢╮ead(byte[] buffer)鏂规硶璇诲彇涓€瀹氶暱搴︾殑鏁版嵁鍧椼€?/p>

鍚屾椂锛岄渶瑕佹敞鎰忓湪澶勭悊瀹屼簩杩涘埗鏂囦欢娴佸悗锛屽強鏃跺叧闂浉鍏崇殑杈撳叆娴佸拰杈撳嚭娴侊紝鍦ㄤ笂闈㈢殑绀轰緥涓娇鐢ㄤ簡try-with-resources璇彞鏉ヨ嚜鍔ㄥ叧闂祦銆?/p>

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