{"id":1000432,"date":"2024-12-27T09:50:03","date_gmt":"2024-12-27T01:50:03","guid":{"rendered":""},"modified":"2024-12-27T09:50:07","modified_gmt":"2024-12-27T01:50:07","slug":"python%e5%a6%82%e4%bd%95%e8%ae%a1%e7%ae%97%e5%ad%97%e8%8a%82%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1000432.html","title":{"rendered":"python\u5982\u4f55\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6"},"content":{"rendered":"

\"python\u5982\u4f55\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u51fd\u6570len()\u3001encode()\u65b9\u6cd5\u548csys\u6a21\u5757\u4e2d\u7684getsizeof()\u65b9\u6cd5\u6765\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6\u3002len()\u901a\u5e38\u7528\u4e8e\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\u6570\uff0c\u800cencode()\u548cgetsizeof()\u53ef\u4ee5\u8ba1\u7b97\u5b57\u7b26\u4e32\u5728\u7279\u5b9a\u7f16\u7801\u4e0b\u7684\u5b57\u8282\u6570\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u901a\u8fc7encode()\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u4e32\uff0c\u518d\u4f7f\u7528len()\u83b7\u53d6\u5b57\u8282\u957f\u5ea6\u3002<\/strong><\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u901a\u5e38\u4f7f\u7528encode()\u65b9\u6cd5\u3002\u901a\u8fc7\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282\u4e32\uff0c\u53ef\u4ee5\u7cbe\u786e\u5730\u6d4b\u91cf\u5176\u5728\u6307\u5b9a\u7f16\u7801\u4e0b\u7684\u5b57\u8282\u6570\u3002\u8fd9\u5728\u5904\u7406\u591a\u5b57\u8282\u5b57\u7b26\u96c6\uff08\u5982UTF-8\uff09\u65f6\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5b57\u7b26\u53ef\u80fd\u5728\u4e0d\u540c\u7f16\u7801\u4e0b\u5360\u7528\u4e0d\u540c\u6570\u91cf\u7684\u5b57\u8282\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u5305\u542b\u4e2d\u6587\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528UTF-8\u7f16\u7801\u53ef\u80fd\u6bd4\u4f7f\u7528ASCII\u7f16\u7801\u5360\u7528\u66f4\u591a\u7684\u5b57\u8282\u3002\u4e86\u89e3\u5982\u4f55\u51c6\u786e\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6\u5bf9\u4e8e\u6570\u636e\u4f20\u8f93\u548c\u5b58\u50a8\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528len()\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6<\/p>\n<\/p>\n

len()\u51fd\u6570\u662fPython\u4e2d\u6700\u57fa\u672c\u7684\u5185\u7f6e\u51fd\u6570\u4e4b\u4e00\uff0c\u7528\u4e8e\u8ba1\u7b97\u5bf9\u8c61\u7684\u957f\u5ea6\u3002\u5728\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\u6570\u65f6\uff0clen()\u975e\u5e38\u6709\u6548\u3002\u7136\u800c\uff0c\u5f53\u6211\u4eec\u60f3\u8981\u77e5\u9053\u5b57\u7b26\u4e32\u5728\u7279\u5b9a\u7f16\u7801\u4e0b\u5360\u7528\u591a\u5c11\u5b57\u8282\u65f6\uff0clen()\u9700\u8981\u914d\u5408encode()\u65b9\u6cd5\u4f7f\u7528\u3002<\/p>\n<\/p>\n

    \n
  1. \n

    len()\u548c\u5b57\u7b26\u4e32<\/strong><\/p>\n<\/p>\n

    \u5728\u4e0d\u6d89\u53ca\u7f16\u7801\u7684\u60c5\u51b5\u4e0b\uff0clen()\u76f4\u63a5\u7528\u4e8e\u8ba1\u7b97\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u6570\u3002\u5b57\u7b26\u6570\u4e0d\u7b49\u4e8e\u5b57\u8282\u6570\uff0c\u7279\u522b\u662f\u5728\u591a\u5b57\u8282\u5b57\u7b26\u96c6\u7684\u60c5\u51b5\u4e0b\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5305\u542b\u4e2d\u6587\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff0c\u5176\u5b57\u7b26\u6570\u53ef\u80fd\u8fdc\u5c0f\u4e8e\u5176\u5b57\u8282\u6570\u3002<\/p>\n<\/p>\n

    string = "\u4f60\u597d\uff0c\u4e16\u754c"<\/p>\n
    length = len(string)  # \u5b57\u7b26\u6570<\/p>\n
    print(f"\u5b57\u7b26\u6570: {length}")<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    len()\u4e0eencode()\u7ed3\u5408\u4f7f\u7528<\/strong><\/p>\n<\/p>\n
    \u8981\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\uff0c\u9996\u5148\u9700\u8981\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282\u4e32\u3002\u4f7f\u7528encode()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u4e0d\u540c\u7684\u7f16\u7801\u683c\u5f0f\uff08\u5982UTF-8\u3001UTF-16\u3001ASCII\u7b49\uff09\uff0c\u7136\u540e\u4f7f\u7528len()\u8ba1\u7b97\u5b57\u8282\u4e32\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n
    string = "\u4f60\u597d\uff0c\u4e16\u754c"<\/p>\n
    byte_length = len(string.encode('utf-8'))  # \u5b57\u8282\u6570<\/p>\n
    print(f"\u5b57\u8282\u6570: {byte_length}")<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528UTF-8\u7f16\u7801\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u4e32\u3002UTF-8\u662f\u4e00\u79cd\u53d8\u957f\u7f16\u7801\uff0c\u4e2d\u6587\u5b57\u7b26\u901a\u5e38\u5360\u75283\u4e2a\u5b57\u8282\uff0c\u800cASCII\u5b57\u7b26\u53ea\u5360\u75281\u4e2a\u5b57\u8282\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4f7f\u7528encode()\u65b9\u6cd5<\/p>\n<\/p>\n
    encode()\u65b9\u6cd5\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u6307\u5b9a\u7f16\u7801\u7684\u5b57\u8282\u4e32\uff0c\u8fd9\u5bf9\u4e8e\u5904\u7406\u975eASCII\u5b57\u7b26\u6216\u9700\u8981\u5728\u7279\u5b9a\u7f16\u7801\u4e0b\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      \u4f7f\u7528UTF-8\u7f16\u7801<\/strong><\/p>\n<\/p>\n
      UTF-8\u662f\u4e00\u79cd\u5e38\u89c1\u7684Unicode\u7f16\u7801\uff0c\u5b83\u4f7f\u75281\u52304\u4e2a\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\uff0c\u9002\u5408\u5904\u7406\u591a\u8bed\u8a00\u6587\u672c\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u5e94\u7528\uff0cUTF-8\u662f\u9996\u9009\u7f16\u7801\u3002<\/p>\n<\/p>\n
      string = "hello, \u4f60\u597d"<\/p>\n
      encoded_bytes = string.encode('utf-8')<\/p>\n
      byte_length = len(encoded_bytes)<\/p>\n
      print(f"UTF-8\u7f16\u7801\u5b57\u8282\u6570: {byte_length}")<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u4f7f\u7528\u5176\u4ed6\u7f16\u7801<\/strong><\/p>\n<\/p>\n
      \u9664\u4e86UTF-8\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u7f16\u7801\u65b9\u5f0f\uff0c\u6bd4\u5982UTF-16\u3001GBK\u7b49\u3002\u4e0d\u540c\u7f16\u7801\u65b9\u5f0f\u4e0b\uff0c\u540c\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n<\/p>\n
      string = "hello, \u4f60\u597d"<\/p>\n
      utf16_length = len(string.encode('utf-16'))<\/p>\n
      gbk_length = len(string.encode('gbk'))<\/p>\n
      print(f"UTF-16\u7f16\u7801\u5b57\u8282\u6570: {utf16_length}")<\/p>\n
      print(f"GBK\u7f16\u7801\u5b57\u8282\u6570: {gbk_length}")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528UTF-16\u548cGBK\u7f16\u7801\u3002UTF-16\u901a\u5e38\u4f7f\u75282\u4e2a\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\uff0c\u800cGBK\u662f\u4e2d\u56fd\u56fd\u5bb6\u6807\u51c6\u7f16\u7801\uff0c\u9002\u5408\u4e2d\u6587\u5b57\u7b26\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528sys\u6a21\u5757\u4e2d\u7684getsizeof()<\/p>\n<\/p>\n
      sys\u6a21\u5757\u4e2d\u7684getsizeof()\u51fd\u6570\u7528\u4e8e\u8fd4\u56de\u5bf9\u8c61\u7684\u5185\u5b58\u5360\u7528\u5927\u5c0f\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u8fd9\u5305\u62ec\u5bf9\u8c61\u672c\u8eab\u548c\u5176\u9644\u52a0\u7684\u5185\u5b58\u5f00\u9500\u3002getsizeof()\u53ef\u4ee5\u7528\u4e8e\u83b7\u53d6\u53d8\u91cf\u7684\u5185\u5b58\u5360\u7528\uff0c\u4f46\u5b83\u8fd4\u56de\u7684\u5927\u5c0f\u5305\u62ecPython\u5bf9\u8c61\u7684\u989d\u5916\u5f00\u9500\uff0c\u56e0\u6b64\u4e0d\u9002\u5408\u7528\u4e8e\u7cbe\u786e\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        \u8ba1\u7b97\u5bf9\u8c61\u5185\u5b58\u5360\u7528<\/strong><\/p>\n<\/p>\n
        getsizeof()\u8fd4\u56de\u7684\u7ed3\u679c\u5305\u62ec\u5bf9\u8c61\u7684\u57fa\u7840\u7ed3\u6784\u5927\u5c0f\u548c\u5176\u5185\u5bb9\u7684\u5927\u5c0f\uff0c\u8fd9\u5bf9\u4e8e\u4e86\u89e3\u5bf9\u8c61\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n<\/p>\n
        import sys<\/p>\n
        string = "hello, \u4f60\u597d"<\/p>\n
        size = sys.getsizeof(string)<\/p>\n
        print(f"\u5bf9\u8c61\u5185\u5b58\u5360\u7528: {size} \u5b57\u8282")<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u6bd4\u8f83\u4e0d\u540c\u5b57\u7b26\u4e32\u7684\u5185\u5b58\u5360\u7528<\/strong><\/p>\n<\/p>\n
        \u4e0d\u540c\u5185\u5bb9\u548c\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\u4f1a\u5360\u7528\u4e0d\u540c\u7684\u5185\u5b58\u5927\u5c0f\u3002\u53ef\u4ee5\u4f7f\u7528getsizeof()\u6bd4\u8f83\u4e0d\u540c\u5b57\u7b26\u4e32\u7684\u5185\u5b58\u5360\u7528\u3002<\/p>\n<\/p>\n
        import sys<\/p>\n
        string1 = "hello"<\/p>\n
        string2 = "\u4f60\u597d"<\/p>\n
        size1 = sys.getsizeof(string1)<\/p>\n
        size2 = sys.getsizeof(string2)<\/p>\n
        print(f"\u5b57\u7b26\u4e321\u7684\u5185\u5b58\u5360\u7528: {size1} \u5b57\u8282")<\/p>\n
        print(f"\u5b57\u7b26\u4e322\u7684\u5185\u5b58\u5360\u7528: {size2} \u5b57\u8282")<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u867d\u7136getsizeof()\u63d0\u4f9b\u4e86\u5bf9\u8c61\u603b\u5185\u5b58\u5360\u7528\u7684\u6982\u51b5\uff0c\u4f46\u5b83\u5e76\u4e0d\u662f\u8ba1\u7b97\u5b57\u7b26\u4e32\u5b57\u8282\u957f\u5ea6\u7684\u6700\u4f73\u5de5\u5177\uff0c\u56e0\u4e3a\u5b83\u5305\u62ec\u4e86Python\u5bf9\u8c61\u7684\u5176\u4ed6\u5f00\u9500\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n
        \u5728\u5904\u7406\u6570\u636e\u4f20\u8f93\u3001\u5b58\u50a8\u548c\u538b\u7f29\u65f6\uff0c\u51c6\u786e\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e86\u89e3\u4e0d\u540c\u7f16\u7801\u65b9\u5f0f\u4e0b\u7684\u5b57\u8282\u957f\u5ea6\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u4f18\u5316\u6570\u636e\u5b58\u50a8\u548c\u4f20\u8f93\uff0c\u63d0\u9ad8\u6548\u7387\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
          \n
        1. \n
          \u7f51\u7edc\u4f20\u8f93<\/strong><\/p>\n<\/p>\n
          \u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\uff0c\u5b57\u8282\u957f\u5ea6\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u5305\u7684\u5927\u5c0f\u3002\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u548c\u6709\u6548\u4f20\u8f93\uff0c\u901a\u5e38\u9700\u8981\u9884\u5148\u8ba1\u7b97\u6570\u636e\u7684\u5b57\u8282\u957f\u5ea6\u3002<\/p>\n<\/p>\n
          import socket<\/p>\n
          message = "Hello, \u4f60\u597d"<\/p>\n
          data = message.encode('utf-8')<\/p>\n
          print(f"\u53d1\u9001\u7684\u6570\u636e\u5b57\u8282\u957f\u5ea6: {len(data)}")<\/p>\n
          \u521b\u5efa\u5957\u63a5\u5b57\u5e76\u53d1\u9001\u6570\u636e<\/strong><\/h2>\n
          sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n
          sock.connect(('localhost', 12345))<\/p>\n
          sock.sendall(data)<\/p>\n
          sock.close()<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n
        2. \n
          \u6587\u4ef6\u5b58\u50a8<\/strong><\/p>\n<\/p>\n
          \u5728\u6587\u4ef6\u5b58\u50a8\u4e2d\uff0c\u5b57\u8282\u957f\u5ea6\u51b3\u5b9a\u4e86\u6587\u4ef6\u7684\u5927\u5c0f\u3002\u4e86\u89e3\u6587\u4ef6\u4e2d\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u8fdb\u884c\u5b58\u50a8\u4f18\u5316\u548c\u7a7a\u95f4\u7ba1\u7406\u3002<\/p>\n<\/p>\n
          message = "Hello, \u4f60\u597d"<\/p>\n
          with open('output.txt', 'wb') as f:<\/p>\n
              data = message.encode('utf-8')<\/p>\n
              f.write(data)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32\u5728\u5199\u5165\u6587\u4ef6\u524d\u88ab\u7f16\u7801\u4e3aUTF-8\u5b57\u8282\u4e32\uff0c\u4ee5\u786e\u4fdd\u6587\u4ef6\u7684\u6b63\u786e\u8bfb\u53d6\u548c\u5199\u5165\u3002<\/p>\n<\/p>\n<\/li>\n
        3. \n
          \u6570\u636e\u538b\u7f29<\/strong><\/p>\n<\/p>\n
          \u5728\u6570\u636e\u538b\u7f29\u4e2d\uff0c\u5b57\u8282\u957f\u5ea6\u662f\u8bc4\u4f30\u538b\u7f29\u7b97\u6cd5\u6548\u7387\u7684\u91cd\u8981\u6307\u6807\u3002\u901a\u8fc7\u6bd4\u8f83\u538b\u7f29\u524d\u540e\u7684\u5b57\u8282\u957f\u5ea6\uff0c\u53ef\u4ee5\u8bc4\u4f30\u538b\u7f29\u7387\u548c\u6548\u679c\u3002<\/p>\n<\/p>\n
          import zlib<\/p>\n
          message = "Hello, \u4f60\u597d" * 1000<\/p>\n
          data = message.encode('utf-8')<\/p>\n
          compressed_data = zlib.compress(data)<\/p>\n
          print(f"\u538b\u7f29\u524d\u5b57\u8282\u957f\u5ea6: {len(data)}")<\/p>\n
          print(f"\u538b\u7f29\u540e\u5b57\u8282\u957f\u5ea6: {len(compressed_data)}")<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u901a\u8fc7\u538b\u7f29\u524d\u540e\u7684\u5b57\u8282\u957f\u5ea6\u5bf9\u6bd4\uff0c\u53ef\u4ee5\u770b\u51fa\u6570\u636e\u538b\u7f29\u7684\u6548\u679c\u548c\u6f5c\u5728\u7684\u5b58\u50a8\u8282\u7701\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e94\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/p>\n
          \u5728Python\u4e2d\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u662f\u4e00\u4e2a\u5e38\u89c1\u4efb\u52a1\uff0c\u5c24\u5176\u662f\u5728\u6d89\u53ca\u591a\u5b57\u8282\u5b57\u7b26\u96c6\u548c\u4e0d\u540c\u7f16\u7801\u7684\u60c5\u51b5\u4e0b\u3002\u901a\u8fc7\u638c\u63e1len()\u3001encode()\u548csys.getsizeof()\u7b49\u5de5\u5177\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u51c6\u786e\u8ba1\u7b97\u548c\u4f18\u5316\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u3002<\/p>\n<\/p>\n
            \n
          1. \n
            \u9009\u62e9\u5408\u9002\u7684\u7f16\u7801<\/strong><\/p>\n<\/p>\n
            \u5728\u5904\u7406\u56fd\u9645\u5316\u5e94\u7528\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\uff08\u5982UTF-8\uff09\u662f\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u548c\u517c\u5bb9\u6027\u7684\u5173\u952e\u3002\u5bf9\u4e8e\u4e2d\u6587\u548c\u5176\u4ed6\u591a\u5b57\u8282\u5b57\u7b26\u96c6\uff0cUTF-8\u901a\u5e38\u662f\u9996\u9009\u3002<\/p>\n<\/p>\n<\/li>\n
          2. \n
            \u4f7f\u7528encode()\u4e0elen()\u7ed3\u5408<\/strong><\/p>\n<\/p>\n
            \u8981\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\uff0c\u6700\u53ef\u9760\u7684\u65b9\u6cd5\u662f\u4f7f\u7528encode()\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u4e32\uff0c\u7136\u540e\u4f7f\u7528len()\u83b7\u53d6\u957f\u5ea6\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u5355\uff0c\u800c\u4e14\u5728\u5904\u7406\u4e0d\u540c\u7f16\u7801\u65f6\u975e\u5e38\u7075\u6d3b\u3002<\/p>\n<\/p>\n<\/li>\n
          3. \n
            \u6ce8\u610f\u5185\u5b58\u5360\u7528<\/strong><\/p>\n<\/p>\n
            \u867d\u7136getsizeof()\u53ef\u4ee5\u63d0\u4f9b\u5bf9\u8c61\u7684\u5185\u5b58\u5360\u7528\u4fe1\u606f\uff0c\u4f46\u5b83\u4e0d\u9002\u5408\u7528\u4e8e\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u7eaf\u5b57\u8282\u957f\u5ea6\uff0c\u56e0\u4e3a\u5b83\u5305\u62ec\u4e86Python\u5bf9\u8c61\u7684\u989d\u5916\u5f00\u9500\u3002\u5728\u9700\u8981\u7cbe\u786e\u8ba1\u7b97\u65f6\uff0c\u5e94\u4f18\u5148\u4f7f\u7528encode()\u548clen()\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406Python\u4e2d\u7684\u5b57\u7b26\u4e32\u5b57\u8282\u957f\u5ea6\u8ba1\u7b97\u95ee\u9898\uff0c\u4f18\u5316\u7a0b\u5e8f\u6027\u80fd\uff0c\u5e76\u786e\u4fdd\u6570\u636e\u5904\u7406\u7684\u51c6\u786e\u6027\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             \u5982\u4f55\u4f7f\u7528Python\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\uff1f<\/strong>
            \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528encode()<\/code>\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528len()<\/code>\u51fd\u6570\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6\u3002\u4f8b\u5982\uff0clen("\u4f60\u597d".encode("utf-8"))<\/code>\u5c06\u8fd4\u56de6\uff0c\u56e0\u4e3a\u201c\u4f60\u597d\u201d\u5728UTF-8\u7f16\u7801\u4e0b\u5360\u75286\u4e2a\u5b57\u8282\u3002<\/p>\n
            \u8ba1\u7b97\u6587\u4ef6\u7684\u5b57\u8282\u957f\u5ea6\u6709\u4ec0\u4e48\u65b9\u6cd5\uff1f<\/strong>
            \u8981\u8ba1\u7b97\u6587\u4ef6\u7684\u5b57\u8282\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6e\u51fd\u6570os.path.getsize()<\/code>\uff0c\u5b83\u63a5\u53d7\u6587\u4ef6\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u6587\u4ef6\u7684\u5b57\u8282\u5927\u5c0f\u3002\u4f8b\u5982\uff0cimport os; file_size = os.path.getsize("example.txt")<\/code>\u5c06\u8fd4\u56de\u6587\u4ef6example.txt<\/code>\u7684\u5b57\u8282\u957f\u5ea6\u3002<\/p>\n
            \u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u4e0d\u540c\u7f16\u7801\u683c\u5f0f\u7684\u5b57\u8282\u957f\u5ea6\uff1f<\/strong>
            \u4e0d\u540c\u7684\u7f16\u7801\u683c\u5f0f\u4f1a\u5f71\u54cd\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f\u5ea6\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u4e0d\u540c\u7684\u7f16\u7801\u65b9\u5f0f\u6765\u8ba1\u7b97\u5b57\u8282\u957f\u5ea6\uff0c\u4f8b\u5982"hello".encode("utf-16")<\/code>\u6216"hello".encode("latin-1")<\/code>\u3002\u6bcf\u79cd\u7f16\u7801\u65b9\u5f0f\u7684\u5b57\u8282\u957f\u5ea6\u53ef\u80fd\u4e0d\u540c\uff0c\u56e0\u6b64\u4e86\u89e3\u76ee\u6807\u7f16\u7801\u7684\u7279\u6027\u662f\u5f88\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u51fd\u6570len()\u3001encode()\u65b9\u6cd5\u548csys\u6a21\u5757\u4e2d\u7684getsizeof()\u65b9\u6cd5\u6765 […]","protected":false},"author":3,"featured_media":1000446,"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\/1000432"}],"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=1000432"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1000432\/revisions"}],"predecessor-version":[{"id":1000449,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1000432\/revisions\/1000449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1000446"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1000432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1000432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1000432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}