技术问答鎬庝箞浣跨敤python淇敼鏂囦欢鍐呭 - 扬州沐宇科技

鍦≒ython涓紝浣犲彲浠ヤ娇鐢?code>open()鍑芥暟鏉ユ墦寮€鏂囦欢锛屽苟浣跨敤write()鏂规硶鏉ヤ慨鏀规枃浠剁殑鍐呭銆備笅闈㈡槸涓€涓畝鍗曠殑绀轰緥锛?/p>

# 鎵撳紑鏂囦欢
file_name = 'example.txt'
with open(file_name, 'r') as file:
    content = file.read()

# 淇敼鏂囦欢鍐呭
new_content = content.replace('old_text', 'new_text')

# 灏嗕慨鏀瑰悗鐨勫唴瀹瑰啓鍏ユ枃浠?/span>
with open(file_name, 'w') as file:
    file.write(new_content)

print('鏂囦欢鍐呭宸蹭慨鏀规垚鍔燂紒')

鍦ㄨ繖涓ず渚嬩腑锛岄鍏堥€氳繃open()鍑芥暟浠ュ彧璇绘ā寮忔墦寮€鏂囦欢锛屽苟璇诲彇鏂囦欢鐨勫唴瀹广€傜劧鍚庝娇鐢?code>replace()鏂规硶灏嗘枃浠跺唴瀹逛腑鐨勭壒瀹氭枃鏈浛鎹负鏂扮殑鏂囨湰銆傛渶鍚庝互鍐欐ā寮忔墦寮€鏂囦欢锛屽苟浣跨敤write()鏂规硶灏嗕慨鏀瑰悗鐨勫唴瀹瑰啓鍏ユ枃浠朵腑銆?/p>

璇锋敞鎰忥紝鍦ㄥ疄闄呬娇鐢ㄤ腑锛屼綘鍙兘闇€瑕佹牴鎹嚜宸辩殑闇€姹傚拰鏂囦欢鍐呭鐨勬牸寮忚繘琛岄€傚綋鐨勫鐞嗐€傚鏋滄枃浠跺唴瀹规瘮杈冨ぇ锛屼綘涔熷彲浠ヨ€冭檻閫愯璇诲彇鍜岄€愯鍐欏叆鏂囦欢鍐呭銆?/p>