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python璇诲彇澶ф枃浠舵€庝箞鍒嗗壊

扬州沐宇科技
2024-02-01 11:48:42
python

鍦ㄥ鐞嗗ぇ鏂囦欢鏃讹紝鍙互浣跨敤浠ヤ笅鏂规硶灏嗗叾鍒嗗壊涓鸿緝灏忕殑鍧楋細

  1. 浣跨敤open()鍑芥暟浠ヤ簩杩涘埗妯″紡鎵撳紑澶ф枃浠躲€?/li>
  2. 浣跨敤read()鍑芥暟閫愬潡璇诲彇鏂囦欢鐨勪竴閮ㄥ垎锛屽苟瀛樺偍鍦ㄤ竴涓垪琛ㄦ垨瀛楃涓蹭腑銆?/li>
  3. 瀵逛簬姣忎釜鍧楋紝鍙互鎵ц鎵€闇€鐨勬搷浣滐紝濡傚鐞嗘暟鎹垨鍐欏叆鍏朵粬鏂囦欢銆?/li>
  4. 閲嶅姝ラ2鍜?锛岀洿鍒版暣涓枃浠惰璇诲彇鍜屽鐞嗐€?/li>
  5. 鍏抽棴鏂囦欢銆?/li>

浠ヤ笅鏄竴涓ず渚嬩唬鐮侊紝婕旂ず浜嗗浣曞皢澶ф枃浠跺垎鍓蹭负杈冨皬鐨勫潡锛?/p>

def split_file(file_path, chunk_size):
    with open(file_path, 'rb') as file:
        chunk = file.read(chunk_size)
        while chunk:
            # 澶勭悊姣忎釜鍧楋紝杩欓噷鍙槸鎵撳嵃鍧楃殑澶у皬
            print(len(chunk))
            
            chunk = file.read(chunk_size)

# 浣跨敤绀轰緥
split_file('large_file.txt', 1024)  # 姣忎釜鍧楃殑澶у皬涓?024瀛楄妭

鍦ㄤ笂杩扮ず渚嬩腑锛?code>split_file()鍑芥暟鎺ュ彈鏂囦欢璺緞鍜屽潡鐨勫ぇ灏忎綔涓哄弬鏁般€傚畠浣跨敤with璇彞鎵撳紑鏂囦欢锛屽苟浣跨敤read()鍑芥暟璇诲彇姣忎釜鍧椼€傚湪姣忎釜鍧椾笂鎵ц鎵€闇€鐨勬搷浣滐紝杩欓噷鍙槸鎵撳嵃鍧楃殑澶у皬銆傜劧鍚庯紝閲嶅杩欎釜杩囩▼锛岀洿鍒版暣涓枃浠惰璇诲彇鍜屽鐞嗐€?/p>

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