{"id":962024,"date":"2024-12-27T04:04:25","date_gmt":"2024-12-26T20:04:25","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/962024.html"},"modified":"2024-12-27T04:04:28","modified_gmt":"2024-12-26T20:04:28","slug":"python%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e6%96%87%e4%bb%b6%e5%a4%a7%e4%be%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/962024.html","title":{"rendered":"python\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u4fa0"},"content":{"rendered":"

\"python\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u4fa0\"<\/p>\n

\u5728Python\u4e2d\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528os.path.getsize()\u3001os.stat()\u3001pathlib\u5e93\u3001\u4ee5\u53ca\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93shutil\u7b49\u65b9\u5f0f\u3002os.path.getsize()\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u7b80\u5355\u6613\u7528\u3001\u76f4\u63a5\u8fd4\u56de\u6587\u4ef6\u7684\u5b57\u8282\u5927\u5c0f\u3002os.stat()\u53ef\u4ee5\u83b7\u53d6\u66f4\u591a\u5173\u4e8e\u6587\u4ef6\u7684\u4fe1\u606f\uff0c\u5982\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u7b49\uff0c\u800cpathlib\u5e93\u63d0\u4f9b\u4e86\u9762\u5411\u5bf9\u8c61\u7684\u63a5\u53e3\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001OS.PATH.GETSIZE()\u65b9\u6cd5<\/p>\n<\/p>\n

os.path.getsize()\u662fPython\u6807\u51c6\u5e93\u4e2dos\u6a21\u5757\u7684\u4e00\u90e8\u5206\u3002\u5b83\u662f\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u7684\u6700\u76f4\u63a5\u548c\u7b80\u5355\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

    \n
  1. \u4f7f\u7528os.path.getsize()<\/li>\n<\/ol>\n

    os.path.getsize()\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u6587\u4ef6\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u8be5\u6587\u4ef6\u7684\u5927\u5c0f\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

    import os<\/p>\n
    def get_file_size(file_path):<\/p>\n
        return os.path.getsize(file_path)<\/p>\n
    file_path = 'example.txt'<\/p>\n
    print(f"File size: {get_file_size(file_path)} bytes")<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u4e86os\u6a21\u5757\uff0c\u5e76\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570get_file_size()\uff0c\u5b83\u63a5\u53d7\u6587\u4ef6\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f7f\u7528os.path.getsize()\u65b9\u6cd5\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u5e76\u8fd4\u56de\u3002\u6700\u540e\uff0c\u6211\u4eec\u6253\u5370\u6587\u4ef6\u7684\u5927\u5c0f\u3002<\/p>\n<\/p>\n
    \u4e8c\u3001OS.STAT()\u65b9\u6cd5<\/p>\n<\/p>\n
    os.stat()\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff0c\u8fd8\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u7684\u5176\u4ed6\u4fe1\u606f\uff0c\u5982\u6587\u4ef6\u7684\u6743\u9650\u3001\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u7b49\u3002<\/p>\n<\/p>\n
      \n
    1. \u4f7f\u7528os.stat()<\/li>\n<\/ol>\n
      os.stat()\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u7684\u5bf9\u8c61\uff0c\u5176\u4e2dst_size\u5c5e\u6027\u8868\u793a\u6587\u4ef6\u7684\u5927\u5c0f\u3002<\/p>\n<\/p>\n
      import os<\/p>\n
      def get_file_size_using_stat(file_path):<\/p>\n
          file_info = os.stat(file_path)<\/p>\n
          return file_info.st_size<\/p>\n
      file_path = 'example.txt'<\/p>\n
      print(f"File size using stat: {get_file_size_using_stat(file_path)} bytes")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528os.stat()\u83b7\u53d6\u6587\u4ef6\u4fe1\u606f\u5bf9\u8c61\uff0c\u7136\u540e\u4ece\u4e2d\u63d0\u53d6st_size\u5c5e\u6027\u4ee5\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u3002<\/p>\n<\/p>\n
        \n
      1. \u83b7\u53d6\u66f4\u591a\u6587\u4ef6\u4fe1\u606f<\/li>\n<\/ol>\n
        \u9664\u4e86\u6587\u4ef6\u5927\u5c0f\uff0cos.stat()\u8fd8\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u7684\u5176\u4ed6\u5c5e\u6027\uff0c\u5982\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u3001\u8bbf\u95ee\u6743\u9650\u7b49\u3002<\/p>\n<\/p>\n
        import os<\/p>\n
        import time<\/p>\n
        def get_file_info(file_path):<\/p>\n
            file_info = os.stat(file_path)<\/p>\n
            file_size = file_info.st_size<\/p>\n
            creation_time = time.ctime(file_info.st_ctime)<\/p>\n
            modification_time = time.ctime(file_info.st_mtime)<\/p>\n
            return file_size, creation_time, modification_time<\/p>\n
        file_path = 'example.txt'<\/p>\n
        size, ctime, mtime = get_file_info(file_path)<\/p>\n
        print(f"File size: {size} bytes")<\/p>\n
        print(f"Creation time: {ctime}")<\/p>\n
        print(f"Modification time: {mtime}")<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u901a\u8fc7\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u540c\u65f6\u83b7\u53d6\u6587\u4ef6\u7684\u5927\u5c0f\u3001\u521b\u5efa\u65f6\u95f4\u548c\u4fee\u6539\u65f6\u95f4\u3002<\/p>\n<\/p>\n
        \u4e09\u3001PATHLIB\u5e93<\/p>\n<\/p>\n
        pathlib\u662fPython 3.4\u5f15\u5165\u7684\u6807\u51c6\u5e93\uff0c\u63d0\u4f9b\u4e86\u9762\u5411\u5bf9\u8c61\u7684\u6587\u4ef6\u7cfb\u7edf\u8def\u5f84\u64cd\u4f5c\u65b9\u5f0f\u3002\u4f7f\u7528pathlib\u53ef\u4ee5\u66f4\u4f18\u96c5\u5730\u83b7\u53d6\u6587\u4ef6\u4fe1\u606f\u3002<\/p>\n<\/p>\n
          \n
        1. \u4f7f\u7528pathlib\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f<\/li>\n<\/ol>\n
          pathlib.Path\u5bf9\u8c61\u7684.stat()\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6587\u4ef6\u4fe1\u606f\u7684\u5bf9\u8c61\uff0c\u5176\u4e2dst_size\u5c5e\u6027\u8868\u793a\u6587\u4ef6\u7684\u5927\u5c0f\u3002<\/p>\n<\/p>\n
          from pathlib import Path<\/p>\n
          def get_file_size_using_pathlib(file_path):<\/p>\n
              file = Path(file_path)<\/p>\n
              return file.stat().st_size<\/p>\n
          file_path = 'example.txt'<\/p>\n
          print(f"File size using pathlib: {get_file_size_using_pathlib(file_path)} bytes")<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Path\u7c7b\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\u5bf9\u8c61\uff0c\u7136\u540e\u901a\u8fc7stat().st_size\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u3002<\/p>\n<\/p>\n
            \n
          1. pathlib\u7684\u5176\u4ed6\u7528\u6cd5<\/li>\n<\/ol>\n
            pathlib\u4e0d\u4ec5\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff0c\u8fd8\u53ef\u4ee5\u7528\u6765\u904d\u5386\u76ee\u5f55\u3001\u521b\u5efa\u6587\u4ef6\u3001\u5220\u9664\u6587\u4ef6\u7b49\u3002<\/p>\n<\/p>\n
            from pathlib import Path<\/p>\n
            \u521b\u5efa\u6587\u4ef6<\/strong><\/h2>\n
            file_path = Path('example.txt')<\/p>\n
            file_path.touch()<\/p>\n
            \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/strong><\/h2>\n
            if file_path.exists():<\/p>\n
                print(f"{file_path} exists.")<\/p>\n
            \u5220\u9664\u6587\u4ef6<\/strong><\/h2>\n
            file_path.unlink()<\/p>\n
            print(f"{file_path} has been deleted.")<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u56db\u3001\u7b2c\u4e09\u65b9\u5e93SHUTIL<\/p>\n<\/p>\n
            shutil\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u4e3b\u8981\u7528\u4e8e\u6587\u4ef6\u590d\u5236\u548c\u79fb\u52a8\u7b49\u64cd\u4f5c\u3002\u867d\u7136shutil\u4e0d\u662f\u4e13\u95e8\u7528\u6765\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u7684\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e9b\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u4e0e\u5176\u4ed6\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<\/p>\n
              \n
            1. \u4f7f\u7528shutil\u83b7\u53d6\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5<\/li>\n<\/ol>\n
              shutil.disk_usage()\u8fd4\u56de\u78c1\u76d8\u7684\u603b\u5927\u5c0f\u3001\u5df2\u7528\u7a7a\u95f4\u548c\u53ef\u7528\u7a7a\u95f4\uff0c\u4f46\u4e0d\u80fd\u76f4\u63a5\u83b7\u53d6\u5355\u4e2a\u6587\u4ef6\u7684\u5927\u5c0f\u3002\u53ef\u4ee5\u7ed3\u5408os.path.getsize()\u4f7f\u7528\u3002<\/p>\n<\/p>\n
              import shutil<\/p>\n
              def get_disk_usage():<\/p>\n
                  total, used, free = shutil.disk_usage('\/')<\/p>\n
                  return total, used, free<\/p>\n
              total, used, free = get_disk_usage()<\/p>\n
              print(f"Total disk space: {total} bytes")<\/p>\n
              print(f"Used disk space: {used} bytes")<\/p>\n
              print(f"Free disk space: {free} bytes")<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u4e94\u3001\u7efc\u5408\u5e94\u7528<\/p>\n<\/p>\n
              \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff0c\u5e76\u7ed3\u5408\u5176\u4ed6\u6587\u4ef6\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u76d1\u63a7\u6587\u4ef6\u5927\u5c0f\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n
              import os<\/p>\n
              from pathlib import Path<\/p>\n
              import shutil<\/p>\n
              def monitor_file_size(file_path):<\/p>\n
                  previous_size = 0<\/p>\n
                  while True:<\/p>\n
                      current_size = os.path.getsize(file_path)<\/p>\n
                      if current_size != previous_size:<\/p>\n
                          print(f"File size changed: {current_size} bytes")<\/p>\n
                          previous_size = current_size<\/p>\n
              Example usage<\/strong><\/h2>\n
              file_path = 'example.txt'<\/p>\n
              monitor_file_size(file_path)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u51fd\u6570monitor_file_size()\uff0c\u7528\u4e8e\u76d1\u63a7\u6587\u4ef6\u5927\u5c0f\u7684\u53d8\u5316\u3002\u5f53\u6587\u4ef6\u5927\u5c0f\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u6253\u5370\u51fa\u65b0\u7684\u5927\u5c0f\u3002\u8fd9\u5728\u9700\u8981\u5b9e\u65f6\u76d1\u63a7\u6587\u4ef6\u5927\u5c0f\u53d8\u5316\u7684\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
              \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u7075\u6d3b\u5730\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff0c\u5e76\u7ed3\u5408\u5176\u4ed6\u6587\u4ef6\u64cd\u4f5c\u6765\u5b9e\u73b0\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u9ad8\u6548\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<\/p>\n
              \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
               \u5982\u4f55\u4f7f\u7528Python\u83b7\u53d6\u6587\u4ef6\u7684\u5927\u5c0f\uff1f<\/strong>
              \u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6e\u6a21\u5757os<\/code>\u548cos.path<\/code>\u3002\u901a\u8fc7\u8c03\u7528os.path.getsize()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u83b7\u5f97\u6307\u5b9a\u6587\u4ef6\u7684\u5b57\u8282\u6570\u3002\u4f8b\u5982\uff1a  <\/p>\n
              import os\n\nfile_size = os.path.getsize('your_file.txt')\nprint(f"\u6587\u4ef6\u5927\u5c0f\u4e3a: {file_size} \u5b57\u8282")\n<\/code><\/pre>\n
              \u8be5\u65b9\u6cd5\u9002\u7528\u4e8e\u4efb\u4f55\u7c7b\u578b\u7684\u6587\u4ef6\uff0c\u5e76\u8fd4\u56de\u5176\u5b9e\u9645\u5927\u5c0f\u3002<\/p>\n
              Python\u80fd\u5426\u83b7\u53d6\u76ee\u5f55\u4e2d\u6240\u6709\u6587\u4ef6\u7684\u603b\u5927\u5c0f\uff1f<\/strong>
              \u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u76ee\u5f55\u4e2d\u7684\u6bcf\u4e2a\u6587\u4ef6\u6765\u8ba1\u7b97\u603b\u5927\u5c0f\u3002\u4f7f\u7528os<\/code>\u6a21\u5757\u4e2d\u7684os.listdir()<\/code>\u53ef\u4ee5\u5217\u51fa\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u6587\u4ef6\u548c\u5b50\u76ee\u5f55\u3002\u7ed3\u5408os.path.getsize()<\/code>\u53ef\u5b9e\u73b0\u603b\u5927\u5c0f\u7684\u8ba1\u7b97\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
              import os\n\ntotal_size = 0\nfor filename in os.listdir('your_directory'):\n    total_size += os.path.getsize(os.path.join('your_directory', filename))\n\nprint(f"\u76ee\u5f55\u4e2d\u6240\u6709\u6587\u4ef6\u7684\u603b\u5927\u5c0f\u4e3a: {total_size} \u5b57\u8282")\n<\/code><\/pre>\n
              \u5728Python\u4e2d\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u65f6\u6709\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\u9700\u8981\u6ce8\u610f\uff1f<\/strong>
              \u5728\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u6307\u5b9a\u7684\u6587\u4ef6\u8def\u5f84\u4e0d\u6b63\u786e\u6216\u6587\u4ef6\u4e0d\u5b58\u5728\u4f1a\u5bfc\u81f4FileNotFoundError<\/code>\u3002\u786e\u4fdd\u5728\u5c1d\u8bd5\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u4e4b\u524d\uff0c\u6587\u4ef6\u8def\u5f84\u662f\u6b63\u786e\u7684\u4e14\u6587\u4ef6\u786e\u5b9e\u5b58\u5728\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e\u6743\u9650\u4e0d\u8db3\u7684\u6587\u4ef6\uff0c\u53ef\u80fd\u4f1a\u629b\u51faPermissionError<\/code>\u3002\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7try...except<\/code>\u5757\u6765\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528os.path.getsize()\u3001os.stat()\u3001 […]","protected":false},"author":3,"featured_media":962029,"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\/962024"}],"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=962024"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/962024\/revisions"}],"predecessor-version":[{"id":962030,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/962024\/revisions\/962030"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/962029"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=962024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=962024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=962024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}