{"id":995727,"date":"2024-12-27T09:07:20","date_gmt":"2024-12-27T01:07:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/995727.html"},"modified":"2024-12-27T09:07:23","modified_gmt":"2024-12-27T01:07:23","slug":"python%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/995727.html","title":{"rendered":"python\u5982\u4f55\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84"},"content":{"rendered":"

\"python\u5982\u4f55\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84\"<\/p>\n

Python\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570open()\u3001\u4f7f\u7528os\u6a21\u5757\u3001\u4f7f\u7528Pathlib\u5e93\u3002<\/strong>\u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0copen()\u51fd\u6570\u662f\u6700\u57fa\u7840\u7684\uff0c\u7528\u4e8e\u76f4\u63a5\u6253\u5f00\u6587\u4ef6\uff1bos\u6a21\u5757\u63d0\u4f9b\u4e86\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5904\u7406\u8def\u5f84\u3001\u6587\u4ef6\u7b49\uff1bPathlib\u662fPython 3.4\u5f15\u5165\u7684\u6a21\u5757\uff0c\u63d0\u4f9b\u9762\u5411\u5bf9\u8c61\u7684\u8def\u5f84\u64cd\u4f5c\u3002<\/strong>\u5728\u8fd9\u4e4b\u4e2d\uff0cPathlib\u56e0\u4e3a\u5176\u9762\u5411\u5bf9\u8c61\u7684\u8bbe\u8ba1\u800c\u9010\u6e10\u6210\u4e3a\u5904\u7406\u6587\u4ef6\u8def\u5f84\u7684\u4e3b\u6d41\u9009\u62e9\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8be6\u7ec6\u8bb2\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528OPEN()\u51fd\u6570\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84<\/p>\n<\/p>\n

\u4f7f\u7528open()\u51fd\u6570\u662f\u6700\u76f4\u63a5\u7684\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84\u7684\u65b9\u6cd5\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u6253\u5f00\u548c\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u6216\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528open()\u51fd\u6570\u8bfb\u53d6\u6587\u4ef6\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u6253\u5f00\u6587\u4ef6<\/strong>\uff1a\u4f7f\u7528open()\u51fd\u6570\uff0c\u5e76\u6307\u5b9a\u6587\u4ef6\u8def\u5f84\u548c\u6a21\u5f0f\uff08\u5982'r'\u8868\u793a\u53ea\u8bfb\uff09\u3002<\/p>\n<\/p>\n<\/li>\n

  2. \n

    \u8bfb\u53d6\u5185\u5bb9<\/strong>\uff1a\u4f7f\u7528read()\u3001readline()\u6216readlines()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n<\/li>\n

  3. \n

    \u5173\u95ed\u6587\u4ef6<\/strong>\uff1a\u4f7f\u7528close()\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\uff0c\u4ee5\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

    # \u793a\u4f8b\u4ee3\u7801<\/p>\n
    file_path = 'example.txt'<\/p>\n
    with open(file_path, 'r') as file:<\/p>\n
        content = file.read()<\/p>\n
        print(content)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e8c\u3001\u4f7f\u7528OS\u6a21\u5757\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84<\/p>\n<\/p>\n
    os\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7528\u4e8e\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u7684\u6a21\u5757\u3002\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u5904\u7406\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u51fd\u6570\u3002\u901a\u8fc7os\u6a21\u5757\uff0c\u60a8\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u64cd\u4f5c\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      \u83b7\u53d6\u5f53\u524d\u76ee\u5f55<\/strong>\uff1a\u4f7f\u7528os.getcwd()\u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u8fde\u63a5\u8def\u5f84<\/strong>\uff1a\u4f7f\u7528os.path.join()\u6765\u6784\u5efa\u6587\u4ef6\u8def\u5f84\uff0c\u786e\u4fdd\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8def\u5f84\u683c\u5f0f\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<\/p>\n<\/li>\n
    3. \n
      \u68c0\u67e5\u6587\u4ef6\u5b58\u5728<\/strong>\uff1a\u4f7f\u7528os.path.exists()\u68c0\u67e5\u6587\u4ef6\u6216\u76ee\u5f55\u662f\u5426\u5b58\u5728\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      import os<\/p>\n
      \u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/strong><\/h2>\n
      current_directory = os.getcwd()<\/p>\n
      \u6784\u5efa\u6587\u4ef6\u8def\u5f84<\/strong><\/h2>\n
      file_path = os.path.join(current_directory, 'example.txt')<\/p>\n
      \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/strong><\/h2>\n
      if os.path.exists(file_path):<\/p>\n
          with open(file_path, 'r') as file:<\/p>\n
              content = file.read()<\/p>\n
              print(content)<\/p>\n
      else:<\/p>\n
          print("File does not exist.")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e09\u3001\u4f7f\u7528Pathlib\u5e93\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84<\/p>\n<\/p>\n
      Pathlib\u6a21\u5757\u662fPython 3.4\u5f15\u5165\u7684\u6807\u51c6\u5e93\u6a21\u5757\uff0c\u63d0\u4f9b\u4e86\u66f4\u52a0\u9762\u5411\u5bf9\u8c61\u7684\u6587\u4ef6\u8def\u5f84\u64cd\u4f5c\u65b9\u6cd5\u3002\u5b83\u4f7f\u5f97\u8def\u5f84\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c2\u548c\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        \u521b\u5efaPath\u5bf9\u8c61<\/strong>\uff1a\u4f7f\u7528Path\u7c7b\u521b\u5efa\u4e00\u4e2a\u8def\u5f84\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<\/li>\n
      2. \n
        \u68c0\u67e5\u6587\u4ef6\u5b58\u5728<\/strong>\uff1a\u4f7f\u7528Path\u5bf9\u8c61\u7684exists()\u65b9\u6cd5\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\u3002<\/p>\n<\/p>\n<\/li>\n
      3. \n
        \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/strong>\uff1a\u4f7f\u7528read_text()\u6216open()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        from pathlib import Path<\/p>\n
        \u521b\u5efaPath\u5bf9\u8c61<\/strong><\/h2>\n
        file_path = Path('example.txt')<\/p>\n
        \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/strong><\/h2>\n
        if file_path.exists():<\/p>\n
            # \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/p>\n
            content = file_path.read_text()<\/p>\n
            print(content)<\/p>\n
        else:<\/p>\n
            print("File does not exist.")<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u56db\u3001\u6587\u4ef6\u8def\u5f84\u7684\u7edd\u5bf9\u8def\u5f84\u548c\u76f8\u5bf9\u8def\u5f84<\/p>\n<\/p>\n
        \u5728\u5904\u7406\u6587\u4ef6\u8def\u5f84\u65f6\uff0c\u7406\u89e3\u7edd\u5bf9\u8def\u5f84\u548c\u76f8\u5bf9\u8def\u5f84\u7684\u6982\u5ff5\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n
          \n
        1. \n
          \u7edd\u5bf9\u8def\u5f84<\/strong>\uff1a\u4ece\u6839\u76ee\u5f55\u5f00\u59cb\u7684\u5b8c\u6574\u8def\u5f84\u3002\u5b83\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u6709\u4e0d\u540c\u7684\u8868\u793a\u65b9\u5f0f\uff0c\u4f8b\u5982\u5728Windows\u4e2d\u4ee5\u201cC:\\\u201d\u5f00\u5934\uff0c\u800c\u5728Unix\/Linux\u4e2d\u4ee5\u201c\/\u201d\u5f00\u5934\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u76f8\u5bf9\u8def\u5f84<\/strong>\uff1a\u76f8\u5bf9\u4e8e\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\u3002\u4f7f\u7528\u76f8\u5bf9\u8def\u5f84\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5177\u79fb\u690d\u6027\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684\u6587\u4ef6\u7cfb\u7edf\u7ed3\u6784\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528os.path.abspath()\u6765\u83b7\u53d6\u8def\u5f84\u7684\u7edd\u5bf9\u8def\u5f84\uff1a<\/p>\n<\/p>\n
          import os<\/p>\n
          relative_path = 'example.txt'<\/p>\n
          absolute_path = os.path.abspath(relative_path)<\/p>\n
          print("Absolute Path:", absolute_path)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e94\u3001\u5904\u7406\u6587\u4ef6\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26<\/p>\n<\/p>\n
          \u5904\u7406\u6587\u4ef6\u8def\u5f84\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u7279\u6b8a\u5b57\u7b26\uff08\u5982\u7a7a\u683c\u3001\u53cd\u659c\u6760\u7b49\uff09\u3002\u8fd9\u4e9b\u5b57\u7b26\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5904\u7406\u65b9\u5f0f\u53ef\u80fd\u4e0d\u540c\uff0c\u56e0\u6b64\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002<\/p>\n<\/p>\n
            \n
          1. \n
            \u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32<\/strong>\uff1a\u5728Python\u4e2d\uff0c\u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32\u53ef\u4ee5\u907f\u514d\u8f6c\u4e49\u5b57\u7b26\u7684\u95ee\u9898\u3002\u539f\u59cb\u5b57\u7b26\u4e32\u4ee5\u201cr\u201d\u5f00\u5934\u3002<\/p>\n<\/p>\n<\/li>\n
          2. \n
            \u4f7f\u7528os.path.join()<\/strong>\uff1a\u907f\u514d\u624b\u52a8\u62fc\u63a5\u8def\u5f84\u5b57\u7b26\u4e32\uff0c\u4ee5\u51cf\u5c11\u9519\u8bef\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            import os<\/p>\n
            \u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32\u5904\u7406\u8def\u5f84\u4e2d\u7684\u53cd\u659c\u6760<\/strong><\/h2>\n
            file_path = r'C:\\path\\to\\file.txt'<\/p>\n
            \u4f7f\u7528os.path.join()\u6784\u5efa\u8def\u5f84<\/strong><\/h2>\n
            directory = 'C:\\\\path\\\\to'<\/p>\n
            file_name = 'file.txt'<\/p>\n
            file_path = os.path.join(directory, file_name)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u516d\u3001\u5904\u7406\u5927\u6587\u4ef6\u7684\u8bfb\u53d6<\/p>\n<\/p>\n
            \u5728\u8bfb\u53d6\u5927\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u8003\u8651\u5185\u5b58\u4f7f\u7528\u95ee\u9898\u3002\u53ef\u4ee5\u4f7f\u7528\u9010\u884c\u8bfb\u53d6\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5927\u6587\u4ef6\uff0c\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n
              \n
            1. \n
              \u9010\u884c\u8bfb\u53d6<\/strong>\uff1a\u4f7f\u7528\u5faa\u73af\u914d\u5408readline()\u6216\u9010\u884c\u8fed\u4ee3\u6765\u5904\u7406\u6587\u4ef6\u3002<\/p>\n<\/p>\n<\/li>\n
            2. \n
              \u6d41\u5f0f\u5904\u7406<\/strong>\uff1a\u5728\u8bfb\u53d6\u6587\u4ef6\u7684\u540c\u65f6\u8fdb\u884c\u5904\u7406\uff0c\u4ee5\u51cf\u5c11\u5185\u5b58\u5360\u7528\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
              # \u9010\u884c\u8bfb\u53d6\u5927\u6587\u4ef6<\/p>\n
              file_path = 'large_file.txt'<\/p>\n
              with open(file_path, 'r') as file:<\/p>\n
                  for line in file:<\/p>\n
                      process(line)  # \u5047\u8bbeprocess\u662f\u5bf9\u6bcf\u884c\u6570\u636e\u7684\u5904\u7406\u51fd\u6570<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u4e03\u3001\u8de8\u5e73\u53f0\u7684\u6587\u4ef6\u8def\u5f84\u5904\u7406<\/p>\n<\/p>\n
              \u4e3a\u4e86\u786e\u4fdd\u4ee3\u7801\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\uff0c\u5e94\u5c3d\u91cf\u907f\u514d\u786c\u7f16\u7801\u7684\u6587\u4ef6\u8def\u5f84\u3002\u4f7f\u7528os\u6a21\u5757\u6216Pathlib\u6a21\u5757\u53ef\u4ee5\u5e2e\u52a9\u5904\u7406\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u8def\u5f84\u5dee\u5f02\u3002<\/p>\n<\/p>\n
                \n
              1. \n
                \u4f7f\u7528os.path.join()\u6216Pathlib<\/strong>\uff1a\u786e\u4fdd\u8def\u5f84\u62fc\u63a5\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u3002<\/p>\n<\/p>\n<\/li>\n
              2. \n
                \u907f\u514d\u4f7f\u7528\u786c\u7f16\u7801\u7684\u8def\u5f84\u5206\u9694\u7b26<\/strong>\uff1a\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8def\u5f84\u5206\u9694\u7b26\u4e0d\u540c\u3002\u5728Windows\u4e2d\u662f\u201c\\\u201d\uff0c\u800c\u5728Unix\/Linux\u4e2d\u662f\u201c\/\u201d\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
                import os<\/p>\n
                from pathlib import Path<\/p>\n
                \u4f7f\u7528os.path.join()\u6784\u5efa\u8de8\u5e73\u53f0\u8def\u5f84<\/strong><\/h2>\n
                directory = os.path.expanduser('~')  # \u83b7\u53d6\u7528\u6237\u4e3b\u76ee\u5f55<\/p>\n
                file_name = 'example.txt'<\/p>\n
                file_path = os.path.join(directory, file_name)<\/p>\n
                \u4f7f\u7528Pathlib\u6784\u5efa\u8de8\u5e73\u53f0\u8def\u5f84<\/strong><\/h2>\n
                file_path = Path.home() \/ 'example.txt'<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u516b\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8bfb\u53d6\u548c\u5904\u7406\u6587\u4ef6\u8def\u5f84\uff0c\u5305\u62ecopen()\u51fd\u6570\u3001os\u6a21\u5757\u548cPathlib\u6a21\u5757\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5904\u7406\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<\/p>\n
                  \n
                • open()\u51fd\u6570<\/strong>\u9002\u7528\u4e8e\u7b80\u5355\u7684\u6587\u4ef6\u8bfb\u53d6\u64cd\u4f5c\u3002<\/li>\n
                • os\u6a21\u5757<\/strong>\u63d0\u4f9b\u4e86\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u7684\u5f3a\u5927\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u590d\u6742\u8def\u5f84\u6216\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u7684\u573a\u666f\u3002<\/li>\n
                • Pathlib\u6a21\u5757<\/strong>\u63d0\u4f9b\u4e86\u73b0\u4ee3\u5316\u7684\u8def\u5f84\u64cd\u4f5c\u65b9\u5f0f\uff0c\u63a8\u8350\u5728Python 3.4\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
                  \u901a\u8fc7\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5728Python\u4e2d\u6709\u6548\u5730\u8bfb\u53d6\u548c\u5904\u7406\u6587\u4ef6\u8def\u5f84\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
                  \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                   \u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong>
                  \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u6765\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4f7f\u7528with<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u8bfb\u53d6\u540e\u6b63\u786e\u5173\u95ed\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a  <\/p>\n
                  with open('\u6587\u4ef6\u8def\u5f84.txt', 'r', encoding='utf-8') as file:\n    content = file.read()\n    print(content)\n<\/code><\/pre>\n
                  \u8fd9\u4e2a\u4ee3\u7801\u7247\u6bb5\u5c06\u6253\u5f00\u6307\u5b9a\u8def\u5f84\u7684\u6587\u4ef6\u5e76\u6253\u5370\u5176\u5185\u5bb9\u3002<\/p>\n
                  \u5982\u4f55\u5904\u7406\u6587\u4ef6\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26\u6216\u7a7a\u683c\uff1f<\/strong>
                  \u5728Python\u4e2d\uff0c\u6587\u4ef6\u8def\u5f84\u4e2d\u5982\u679c\u5305\u542b\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\uff0c\u901a\u5e38\u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32\uff08\u5728\u5b57\u7b26\u4e32\u524d\u52a0r<\/code>\uff09\u6765\u907f\u514d\u8f6c\u4e49\u95ee\u9898\u3002\u4f8b\u5982\uff1a  <\/p>\n
                  file_path = r'C:\\Users\\Name\\My Documents\\\u6587\u4ef6.txt'\n<\/code><\/pre>\n
                  \u6b64\u5916\uff0c\u4f7f\u7528\u53cc\u5f15\u53f7\u6216\u5355\u5f15\u53f7\u90fd\u53ef\u4ee5\u6709\u6548\u907f\u514d\u95ee\u9898\u3002\u5728Windows\u73af\u5883\u4e0b\uff0c\u4f7f\u7528\u53cd\u659c\u6760\uff08\\<\/code>\uff09\u65f6\u4e5f\u8981\u6ce8\u610f\u8f6c\u4e49\u3002<\/p>\n
                  \u5728Python\u4e2d\u5982\u4f55\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff1f<\/strong>
                  \u53ef\u4ee5\u4f7f\u7528os.path<\/code>\u6a21\u5757\u4e2d\u7684exists()<\/code>\u65b9\u6cd5\u6765\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n
                  import os\n\nfile_path = '\u6587\u4ef6\u8def\u5f84.txt'\nif os.path.exists(file_path):\n    print("\u6587\u4ef6\u5b58\u5728")\nelse:\n    print("\u6587\u4ef6\u4e0d\u5b58\u5728")\n<\/code><\/pre>\n
                  \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u5c1d\u8bd5\u8bfb\u53d6\u6587\u4ef6\u4e4b\u524d\u786e\u8ba4\u6587\u4ef6\u7684\u5b58\u5728\u6027\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8bfb\u53d6\u6587\u4ef6\u8def\u5f84\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570open()\u3001\u4f7f\u7528os\u6a21\u5757\u3001\u4f7f\u7528Pathlib\u5e93\u3002\u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0c […]","protected":false},"author":3,"featured_media":995733,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/995727"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=995727"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/995727\/revisions"}],"predecessor-version":[{"id":995740,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/995727\/revisions\/995740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/995733"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=995727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=995727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=995727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}