{"id":979151,"date":"2024-12-27T06:44:01","date_gmt":"2024-12-26T22:44:01","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/979151.html"},"modified":"2024-12-27T06:44:04","modified_gmt":"2024-12-26T22:44:04","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8a%e8%bd%ac%e4%b8%baascll","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/979151.html","title":{"rendered":"python\u5982\u4f55\u628a\u8f6c\u4e3aascll"},"content":{"rendered":"

\"python\u5982\u4f55\u628a\u8f6c\u4e3aascll\"<\/p>\n

\u5728Python\u4e2d\uff0c\u5c06\u5b57\u7b26\u8f6c\u6362\u4e3aASCII\u7801\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u7684ord()<\/code>\u51fd\u6570\u5b9e\u73b0\u3001\u5bf9\u4e8e\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u89e3\u6790\u7ed3\u5408ord()<\/code>\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\u3001\u5982\u679c\u9700\u8981\u5c06ASCII\u7801\u8f6c\u6362\u56de\u5b57\u7b26\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684chr()<\/code>\u51fd\u6570\u3002<\/strong><\/p>\n<\/p>\n

\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u5b57\u7b26\u548cASCII\u7801\u4e4b\u95f4\u7684\u8f6c\u6362\u662f\u5e38\u89c1\u7684\u9700\u6c42\u3002\u6bcf\u4e2a\u5b57\u7b26\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684ASCII\u7801\uff0c\u8fd9\u4f7f\u5f97\u5728\u6570\u636e\u5904\u7406\u4e2d\u80fd\u591f\u8fdb\u884c\u66f4\u4e3a\u5e95\u5c42\u7684\u64cd\u4f5c\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u8fd9\u4e9b\u8f6c\u6362\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b57\u7b26\u8f6c\u4e3aASCII\u7801<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528ord()<\/code>\u51fd\u6570\u5c06\u5355\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a\u5176\u5bf9\u5e94\u7684ASCII\u7801\u3002<\/p>\n<\/p>\n

char = 'A'<\/p>\n
ascii_value = ord(char)<\/p>\n
print(ascii_value)  # \u8f93\u51fa: 65<\/p>\n
<\/code><\/pre>\n<\/p>\n
ord()<\/code>\u51fd\u6570\u7684\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/p>\n<\/p>\n
    \n
  1. \u6570\u636e\u52a0\u5bc6\u548c\u89e3\u5bc6<\/strong>\uff1a\u5728\u5b9e\u73b0\u4e00\u4e9b\u7b80\u5355\u7684\u52a0\u5bc6\u7b97\u6cd5\u65f6\uff0c\u9700\u8981\u5c06\u5b57\u7b26\u8f6c\u6362\u4e3a\u6570\u5b57\u8fdb\u884c\u8fd0\u7b97\u3002<\/li>\n
  2. \u5b57\u7b26\u6392\u5e8f<\/strong>\uff1a\u5728\u5bf9\u5b57\u7b26\u8fdb\u884c\u6392\u5e8f\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u6bd4\u8f83\u5176ASCII\u503c\u3002<\/li>\n
  3. \u5b57\u7b26\u5904\u7406<\/strong>\uff1a\u5728\u6587\u672c\u5904\u7406\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u5b57\u7b26\u8fdb\u884c\u5206\u6790\u548c\u5904\u7406\u3002<\/li>\n<\/ol>\n
    \u4e8c\u3001\u5b57\u7b26\u4e32\u8f6c\u4e3aASCII\u7801\u5217\u8868<\/p>\n<\/p>\n
    \u5bf9\u4e8e\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u7684\u65b9\u6cd5\uff0c\u7ed3\u5408ord()<\/code>\u51fd\u6570\uff0c\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a\u5176\u5bf9\u5e94\u7684ASCII\u7801\u3002<\/p>\n<\/p>\n
    string = 'Hello'<\/p>\n
    ascii_values = [ord(char) for char in string]<\/p>\n
    print(ascii_values)  # \u8f93\u51fa: [72, 101, 108, 108, 111]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u6d01\u4e14\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5bf9\u6574\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u6279\u91cf\u8f6c\u6362\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
    \u4e09\u3001ASCII\u7801\u8f6c\u6362\u4e3a\u5b57\u7b26<\/p>\n<\/p>\n
    \u76f8\u53cd\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528chr()<\/code>\u51fd\u6570\u5c06ASCII\u7801\u8f6c\u6362\u56de\u5b57\u7b26\u3002<\/p>\n<\/p>\n
    ascii_value = 65<\/p>\n
    char = chr(ascii_value)<\/p>\n
    print(char)  # \u8f93\u51fa: 'A'<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    chr()<\/code>\u51fd\u6570\u7684\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/p>\n<\/p>\n
      \n
    1. \u6570\u636e\u89e3\u5bc6<\/strong>\uff1a\u5728\u89e3\u5bc6\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u5c06\u6570\u5b57\u8f6c\u6362\u56de\u5b57\u7b26\u3002<\/li>\n
    2. \u751f\u6210\u5b57\u7b26\u5e8f\u5217<\/strong>\uff1a\u5728\u751f\u6210\u67d0\u4e9b\u7279\u5b9a\u5b57\u7b26\u5e8f\u5217\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7ASCII\u7801\u6765\u63a7\u5236\u5b57\u7b26\u7684\u751f\u6210\u3002<\/li>\n<\/ol>\n
      \u56db\u3001\u7efc\u5408\u5b9e\u4f8b<\/p>\n<\/p>\n
      \u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5b57\u7b26\u4e0eASCII\u7801\u4e4b\u95f4\u7684\u8f6c\u6362\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408ord()<\/code>\u548cchr()<\/code>\u51fd\u6570\uff0c\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u52a0\u5bc6\u548c\u89e3\u5bc6\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
      def encrypt(text, shift):<\/p>\n
          encrypted = ''.join(chr((ord(char) + shift - 32) % 95 + 32) for char in text)<\/p>\n
          return encrypted<\/p>\n
      def decrypt(encrypted_text, shift):<\/p>\n
          decrypted = ''.join(chr((ord(char) - shift - 32) % 95 + 32) for char in encrypted_text)<\/p>\n
          return decrypted<\/p>\n
      \u6d4b\u8bd5\u52a0\u5bc6\u548c\u89e3\u5bc6<\/strong><\/h2>\n
      original_text = "Hello, World!"<\/p>\n
      shift_value = 3<\/p>\n
      encrypted_text = encrypt(original_text, shift_value)<\/p>\n
      print("Encrypted:", encrypted_text)<\/p>\n
      decrypted_text = decrypt(encrypted_text, shift_value)<\/p>\n
      print("Decrypted:", decrypted_text)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5373\u901a\u8fc7\u5c06\u6bcf\u4e2a\u5b57\u7b26\u7684ASCII\u7801\u52a0\u4e0a\u4e00\u4e2a\u56fa\u5b9a\u7684\u504f\u79fb\u91cf\u6765\u5b9e\u73b0\u52a0\u5bc6\u3002\u89e3\u5bc6\u5219\u662f\u901a\u8fc7\u51cf\u53bb\u76f8\u540c\u7684\u504f\u79fb\u91cf\u6765\u6062\u590d\u539f\u59cb\u6587\u672c\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u5355\uff0c\u4f46\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7406\u89e3\u5b57\u7b26\u4e0eASCII\u7801\u4e4b\u95f4\u7684\u8f6c\u6362\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n
      \u4e94\u3001\u5904\u7406\u7279\u6b8a\u5b57\u7b26<\/p>\n<\/p>\n
      \u5728\u5904\u7406\u5b57\u7b26\u548cASCII\u7801\u8f6c\u6362\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7279\u6b8a\u5b57\u7b26\u548c\u975eASCII\u5b57\u7b26\u3002Python\u4e2d\u7684ord()<\/code>\u548cchr()<\/code>\u51fd\u6570\u4e3b\u8981\u9488\u5bf9ASCII\u5b57\u7b26\u96c6\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f46\u4e5f\u652f\u6301Unicode\u5b57\u7b26\u3002<\/p>\n<\/p>\n
      \u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      char = '\u00f1'<\/p>\n
      ascii_value = ord(char)<\/p>\n
      print(ascii_value)  # \u8f93\u51fa: 241<\/p>\n
      \u5c06ASCII\u503c\u8f6c\u6362\u56de\u5b57\u7b26<\/strong><\/h2>\n
      char_back = chr(ascii_value)<\/p>\n
      print(char_back)  # \u8f93\u51fa: '\u00f1'<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u5904\u7406\u975eASCII\u5b57\u7b26\u65f6\uff0c\u5c24\u5176\u662f\u56fd\u9645\u5316\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u9700\u8981\u786e\u4fdd\u6b63\u786e\u5904\u7406\u5b57\u7b26\u7f16\u7801\u3002Python 3\u652f\u6301Unicode\u5b57\u7b26\uff0c\u56e0\u6b64ord()<\/code>\u548cchr()<\/code>\u51fd\u6570\u80fd\u591f\u5904\u7406Unicode\u5b57\u7b26\u3002<\/p>\n<\/p>\n
      \u516d\u3001\u5b57\u7b26\u7f16\u7801\u4e0e\u89e3\u7801<\/p>\n<\/p>\n
      \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5b57\u7b26\u7f16\u7801\u4e0e\u89e3\u7801\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u3002Python\u4e2d\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u7f16\u7801\u65b9\u6848\uff0c\u5982UTF-8\u3001UTF-16\u7b49\u3002\u8fd9\u4e9b\u7f16\u7801\u65b9\u6848\u4e3b\u8981\u7528\u4e8e\u5728\u5b57\u7b26\u4e0e\u5b57\u8282\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<\/p>\n
      # \u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282<\/p>\n
      byte_data = "Hello".encode('utf-8')<\/p>\n
      print(byte_data)  # \u8f93\u51fa: b'Hello'<\/p>\n
      \u5b57\u8282\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32<\/strong><\/h2>\n
      string_data = byte_data.decode('utf-8')<\/p>\n
      print(string_data)  # \u8f93\u51fa: 'Hello'<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u7f16\u7801\u548c\u89e3\u7801\u5728\u5904\u7406\u7f51\u7edc\u6570\u636e\u3001\u6587\u4ef6\u8bfb\u5199\u7b49\u573a\u666f\u4e2d\u975e\u5e38\u91cd\u8981\u3002\u786e\u4fdd\u6b63\u786e\u7684\u7f16\u7801\u548c\u89e3\u7801\u53ef\u4ee5\u907f\u514d\u6570\u636e\u4e22\u5931\u548c\u4e71\u7801\u95ee\u9898\u3002<\/p>\n<\/p>\n
      \u4e03\u3001\u603b\u7ed3<\/p>\n<\/p>\n
      \u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e0eASCII\u7801\u4e4b\u95f4\u7684\u8f6c\u6362\u662f\u4e00\u4e2a\u57fa\u7840\u4e14\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u901a\u8fc7ord()<\/code>\u548cchr()<\/code>\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u8fdb\u884c\u5b57\u7b26\u548cASCII\u7801\u4e4b\u95f4\u7684\u8f6c\u6362\u3002\u6b64\u5916\uff0c\u5904\u7406\u5b57\u7b26\u4e32\u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u5b57\u7b26\u7f16\u7801\u4e0e\u89e3\u7801\uff0c\u5c24\u5176\u662f\u5728\u56fd\u9645\u5316\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002<\/p>\n<\/p>\n
      \u901a\u8fc7\u672c\u6587\u7684\u5b66\u4e60\uff0c\u6211\u4eec\u4e0d\u4ec5\u638c\u63e1\u4e86\u57fa\u672c\u7684\u5b57\u7b26\u4e0eASCII\u7801\u8f6c\u6362\u65b9\u6cd5\uff0c\u8fd8\u4e86\u89e3\u4e86\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u548c\u5e94\u7528\u573a\u666f\u3002\u8fd9\u4e9b\u77e5\u8bc6\u5c06\u6709\u52a9\u4e8e\u6211\u4eec\u5728\u7f16\u7a0b\u4e2d\u66f4\u597d\u5730\u5904\u7406\u5b57\u7b26\u548c\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
       \u5982\u4f55\u5728Python\u4e2d\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aASCII\u7801\uff1f<\/strong>
      \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684ord()<\/code>\u51fd\u6570\u5c06\u5b57\u7b26\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684ASCII\u503c\u3002\u901a\u8fc7\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5b57\u7b26\u4e32\u5230ASCII\u7801\u7684\u8f6c\u6362\u3002\u4f8b\u5982\uff1a<\/p>\n
      string = "Hello"\nascii_values = [ord(char) for char in string]\nprint(ascii_values)\n<\/code><\/pre>\n
      \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u6bcf\u4e2a\u5b57\u7b26\u7684ASCII\u503c\u3002<\/p>\n
      \u6709\u4ec0\u4e48\u65b9\u6cd5\u53ef\u4ee5\u5c06ASCII\u7801\u8f6c\u6362\u56de\u5b57\u7b26\u4e32\uff1f<\/strong>
      \u8981\u5c06ASCII\u7801\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528chr()<\/code>\u51fd\u6570\u3002\u901a\u8fc7\u5c06ASCII\u503c\u4f20\u9012\u7ed9\u6b64\u51fd\u6570\uff0c\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94\u7684\u5b57\u7b26\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      ascii_values = [72, 101, 108, 108, 111]\nstring = ''.join(chr(value) for value in ascii_values)\nprint(string)\n<\/code><\/pre>\n
      \u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u201cHello\u201d\u3002<\/p>\n
      Python\u4e2d\u5982\u4f55\u5904\u7406\u975eASCII\u5b57\u7b26\uff1f<\/strong>
      \u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u975eASCII\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528encode()<\/code>\u548cdecode()<\/code>\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002\u901a\u8fc7encode()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u7279\u5b9a\u683c\u5f0f\uff0c\u5982UTF-8\uff0c\u8fd9\u6837\u53ef\u4ee5\u4fdd\u7559\u6240\u6709\u5b57\u7b26\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
      string = "Hello, \u4e16\u754c"\nencoded_string = string.encode('utf-8')\nprint(encoded_string)\n<\/code><\/pre>\n
      \u4f7f\u7528decode()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u8282\u5bf9\u8c61\u8f6c\u6362\u56de\u5b57\u7b26\u4e32\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5141\u8bb8\u5728\u5904\u7406\u591a\u79cd\u5b57\u7b26\u96c6\u65f6\u4fdd\u6301\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5c06\u5b57\u7b26\u8f6c\u6362\u4e3aASCII\u7801\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u7684ord()\u51fd\u6570\u5b9e\u73b0\u3001\u5bf9\u4e8e\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u89e3\u6790\u7ed3\u5408 […]","protected":false},"author":3,"featured_media":979162,"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\/979151"}],"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=979151"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979151\/revisions"}],"predecessor-version":[{"id":979166,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979151\/revisions\/979166"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/979162"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=979151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=979151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=979151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}