{"id":7968,"date":"2023-05-26T23:44:54","date_gmt":"2023-05-26T15:44:54","guid":{"rendered":"https:\/\/www.chenqing.work\/?p=7968"},"modified":"2023-06-03T09:49:21","modified_gmt":"2023-06-03T01:49:21","slug":"%e7%bc%96%e7%a0%81%ef%bc%8cpart-1%ef%bc%9aascii%e3%80%81%e6%b1%89%e5%ad%97%e5%8f%8a-unicode","status":"publish","type":"post","link":"https:\/\/www.chenqing.work\/?p=7968","title":{"rendered":"\u7f16\u7801\uff0cPart 1\uff1aASCII\u3001\u6c49\u5b57\u53ca Unicode \u6807\u51c6"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2023\/05\/kelsey-knight-SFRw5GChoLA-unsplash.jpg\" alt=\"\" class=\"wp-image-9055\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u7f16\u7801\u7684\u5386\u53f2\u7531\u6765\u5c31\u61d2\u5f97\u4ecb\u7ecd\u4e86\uff0c\u53ea\u9700\u8981\u77e5\u9053\u4eba\u7c7b\u5904\u7406\u6587\u672c\u4fe1\u606f\u662f\u4ee5\u5b57\u7b26\u4e3a\u57fa\u672c\u5355\u4f4d\uff0c\u800c\u8ba1\u7b97\u673a\u5728\u6700\u5e95\u5c42\u53ea\u8ba4\u8bc6 0\/1\uff0c\u6240\u4ee5\u5f53\u8ba1\u7b97\u673a\u8981\u4e3a\u4eba\u7c7b\u5b58\u50a8\/\u5448\u73b0\u5b57\u7b26\u65f6\uff0c\u5c31\u9700\u8981\u6709\u4e00\u4e2a\u89c4\u5219\uff0c\u5728\u5b57\u7b26\u548c 0\/1 \u5e8f\u5217\u4e4b\u95f4\u5efa\u7acb\u6620\u5c04\u5173\u7cfb\uff0c\u8fd9\u5c31\u662f\u7f16\u7801\u89c4\u5219\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u8ba1\u7b97\u673a\u6280\u672f\u8d77\u6e90\u4e8e\u6b27\u7f8e\uff0c\u6240\u4ee5\u6700\u65e9\u7684\u5b57\u7b26\u7f16\u7801\u6807\u51c6\u81ea\u7136\u800c\u7136\u662f\u57fa\u4e8e\u82f1\u8bed\u5236\u5b9a\u7684\uff0c\u82f1\u8bed\u6700\u5927\u7684\u7279\u70b9\u662f\u5b83\u4ec5\u7531 26 \u4e2a\u5927\u5c0f\u5199\u5b57\u6bcd\u7ec4\u5408\u800c\u6210\uff0c\u518d\u52a0\u4e0a\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u5c31\u6784\u6210\u4e86\u82f1\u8bed\u7684\u6587\u672c\u4e16\u754c\uff0c\u5176\u57fa\u672c\u5b57\u7b26\u7684\u603b\u6570\u4e0d\u4f1a\u8d85\u8fc7 128 \u4e2a\uff0c\u9274\u4e8e 7 \u4e2a\u6bd4\u7279\u4f4d\u53ef\u4ee5\u6709 128 \u79cd 0\/1 \u7ec4\u5408\uff0c\u6240\u4ee5\u7528 7 \u4e2a\u6bd4\u7279\u4f4d\u5c31\u8db3\u4ee5\u5e94\u4ed8\u6240\u6709\u9700\u8981\u7f16\u7801\u7684\u5b57\u7b26\uff0c\u8fd9\u6837\u6700\u65e9\u7684\u7edf\u4e00\u6807\u51c6\u5c31\u8bde\u751f\u4e86\uff0c\u79f0\u4e3a <a href=\"https:\/\/en.wikipedia.org\/wiki\/ASCII\" data-type=\"URL\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/ASCII\">ASCII<\/a>\uff08American Standard Code for Information Interchange\uff0c\u7f8e\u56fd\u4fe1\u606f\u4ea4\u6362\u6807\u51c6\u7801\uff09\u7801\u3002\u5728 Linux \u7cfb\u7edf\u4e2d\u8f93\u5165 man ascii\uff0c\u53ef\u4ee5\u5f97\u5230\u5982\u4e0b ascii \u7801\u8868\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"666\" height=\"421\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2023\/05\/image.png\" alt=\"\" class=\"wp-image-8904\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4ee5\u5b57\u7b26 &#8216;a&#8217; \u4e3a\u4f8b\uff0c16 \u8fdb\u5236\u7f16\u7801\u4e3a 61\uff0c\u5bf9\u5e94\u7684 10 \u673a\u5236\u8868\u793a\u5c31\u662f 97\uff0c\u5bf9\u5e94\u7684\u4e8c\u8fdb\u5236\u8868\u793a\u4e3a<strong> 0110 0001<\/strong>\u3002\u4f46\u897f\u65b9\u4e16\u754c\u4e5f\u4e0d\u662f\u53ea\u6709\u82f1\u8bed\u5b57\u6bcd\uff0c\u4e8e\u662f\u4ece 1987 \u5e74\u5f00\u59cb\uff0cISO \u57fa\u4e8e 8 \u6bd4\u7279\u4f4d\u5236\u5b9a\u4e86 <a href=\"https:\/\/www.iso.org\/search.html?q=ISO%2FIEC%208859&amp;hPP=10&amp;idx=all_en&amp;p=0&amp;hFR%5Bcategory%5D%5B0%5D=standard\" data-type=\"URL\" data-id=\"https:\/\/www.iso.org\/search.html?q=ISO%2FIEC%208859&amp;hPP=10&amp;idx=all_en&amp;p=0&amp;hFR%5Bcategory%5D%5B0%5D=standard\">ISO-8859<\/a> \u7cfb\u5217\u7f16\u7801\u6807\u51c6\uff0c\u7cfb\u5217\u4e2d\u7684\u6bcf\u4e00\u4e2a\u6807\u51c6\u7528\u5230\u7684\u7f16\u7801\u4f4d\u6570\u90fd\u4e0d\u8d85\u8fc7 8 \u4f4d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"509\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2023\/05\/image-3.png\" alt=\"\" class=\"wp-image-9220\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u6309 ascii \u548c ISO-8859 \u7f16\u7801\u6807\u51c6\u7684\u89c4\u5b9a\uff0c\u5176\u5305\u542b\u7684\u5b57\u7b26\u90fd\u53ef\u4ee5\u7528\u4e00\u4e2a\u5b57\u8282\uff088 \u6bd4\u7279\uff09\u8868\u793a\uff0c\u5728\u5b58\u50a8\u65f6\u4e5f\u5c31\u53ea\u5360\u7528\u4e00\u4e2a\u5b57\u8282\uff0c\u4f46\u4e16\u754c\u4e0a\u5e76\u4e0d\u53ea\u6709\u897f\u65b9\u6587\u5b57\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u6700\u5178\u578b\u5c31\u662f\u4e2d\u6587\uff0c\u4e2d\u6587\u662f\u5178\u578b\u7684\u8c61\u5f62\u6587\u5b57\uff0c\u800c\u4e14\u662f\u4e16\u754c\u4e0a\u4f7f\u7528\u4eba\u6570\u6700\u591a\u7684\u6587\u5b57\uff0c\u5e38\u7528\u6c49\u5b57\u6570\u91cf\u5c31\u4e0d\u6b62 1000 \u4e2a\uff0c\u6307\u671b ascii \u662f\u4e0d\u884c\u7684\u2014\u2014\u5c31\u7b97\u628a\u5b58 ascii \u7801\u7684 8 \u4e2a\u6bd4\u7279\u5168\u7528\u6765\u8868\u793a\u4e2d\u6587\uff0c\u4e5f\u4e0d\u591f\uff0c\u6240\u4ee5\u4e5f\u53d1\u5c55\u51fa\u4e86\u81ea\u5df1\u7684\u4e00\u5957\u7f16\u7801\u89c4\u8303\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1980 \u5e74\uff0c\u4e2d\u56fd\u641e\u4e86\u81ea\u5df1\u7684\u7f16\u7801\u65b9\u6848<a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=5664A728BD9D523DE3B99BC37AC7A2CC\" data-type=\"URL\" data-id=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=5664A728BD9D523DE3B99BC37AC7A2CC\"> GB\/T 2312<\/a>\uff08GB\/T \u4ee3\u8868\u63a8\u8350\u6027\u56fd\u5bb6\u6807\u51c6\uff0c\u53ef\u4ee5\u53c2\u8003\u524d\u4e00\u7bc7<a href=\"https:\/\/www.chenqing.work\/?p=7983\" data-type=\"URL\" data-id=\"https:\/\/www.chenqing.work\/?p=7983\"> \u535a\u6587<\/a> \u91cc\u7684\u4ecb\u7ecd\uff09\uff0c\u4e00\u822c\u7b80\u79f0 GB2312\u3002<\/li>\n\n\n\n<li>1993 \u5e74\uff0c\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7 ISO \u5236\u5b9a\u4e86\u7f16\u7801\u6807\u51c6 <a href=\"https:\/\/www.iso.org\/standard\/18741.html\" data-type=\"URL\" data-id=\"https:\/\/www.iso.org\/standard\/18741.html\">ISO\/IEC 10646-1:1993<\/a>\uff0c\u56fd\u5185\u4e88\u4ee5\u627f\u8ba4\uff0c\u5e76\u7f16\u53f7\u4e3a <a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=48A2A707F0A3CEC495BD6277EDDA0F9F\" data-type=\"URL\" data-id=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=48A2A707F0A3CEC495BD6277EDDA0F9F\">GB 13000.1-1993<\/a>\u3002<\/li>\n\n\n\n<li>1995 \u5e74\uff0c\u56fd\u5185\u57fa\u4e8e GB2312 \u6269\u5c55\u4e86\u4e00\u5957\u7f16\u7801\u65b9\u6848 <a href=\"https:\/\/en.wikipedia.org\/wiki\/GBK_(character_encoding)\" data-type=\"URL\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/GBK_(character_encoding)\">GBK<\/a>\uff08\u6c49\u5b57\u5185\u7801\u6269\u5c55\u89c4\u8303\uff09\uff0c\u5e76\u6536\u5f55\u4e86 GB13000.1 \u548c <a href=\"https:\/\/en.wikipedia.org\/wiki\/Big5\" data-type=\"URL\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Big5\">Big5<\/a>\uff08\u7531\u53f0\u6e7e\u8d44\u8baf\u5de5\u4e1a\u7b56\u8fdb\u4f1a\u57281984 \u5e74\u5236\u5b9a\uff09\u4e2d\u7684\u6c49\u5b57\uff0c\u5fae\u8f6f\u5728 Windows 95\u3001Windows NT 3.51 \u4e2d\u8fdb\u884c\u4e86\u5b9e\u73b0\uff0c\u79f0\u4e3a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Code_page_1386\" data-type=\"URL\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Code_page_1386\">Code Page 936<\/a>\u3002<\/li>\n\n\n\n<li>2000 \u5e74\uff0c\u5236\u5b9a\u4e86\u56fd\u6807 <a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=4F885660EB8B3AC463C2ED336DB3B67B\" data-type=\"URL\" data-id=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=4F885660EB8B3AC463C2ED336DB3B67B\">GB 18030-2000<\/a>\uff0c\u76ee\u524d\u5df2\u4f5c\u5e9f\u3002 <\/li>\n\n\n\n<li>2005 \u5e74\uff0c\u5236\u5b9a\u4e86\u56fd\u6807 <a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=C344D8D120B341A8DD328954A9B27A99\" data-type=\"URL\" data-id=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=C344D8D120B341A8DD328954A9B27A99\">GB 18030-2005<\/a>\uff0c\u4e3a\u73b0\u884c\u7684 GB18030 \u6807\u51c6\u3002<\/li>\n\n\n\n<li>2022 \u5e74\uff0c\u5236\u5b9a\u4e86\u56fd\u6807 <a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=A1931A578FE14957104988029B0833D3\" data-type=\"URL\" data-id=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=A1931A578FE14957104988029B0833D3\">GB 18030-2022<\/a>\uff0c\u5c06\u5728 2023\u5e748\u67081\u65e5\u751f\u6548\u3002<\/li>\n<\/ul>\n\n\n\n<p>GB2312\u3001GBK\u3001GB18030 \u5c31\u662f\u76ee\u524d\u8001\u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\u4e09\u79cd\u4e2d\u6587\u7f16\u7801\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\u8fd9\u8fd8\u53ea\u662f\u4e2d\u6587\uff0c\u5f53\u6211\u4eec\u628a\u773c\u754c\u653e\u5927\u5230\u6574\u4e2a\u5730\u7403\uff08\u7403\u5916\u6682\u4e0d\u8003\u8651\uff09\uff0c\u4ec5\u4ec5\u4e1c\u4e9a\u5c31\u8fd8\u6709\u65e5\u6587\u3001\u97e9\u6587\uff0c\u8fd8\u6709\u4e2d\u4e9a\u3001\u4e2d\u4e1c\u3001\u975e\u6d32\u7b49\u7b49\u56fd\u5bb6\u548c\u5730\u533a\u7684\u6587\u5b57\u90fd\u9700\u8981\u7f16\u7801\u8fdb\u8ba1\u7b97\u673a\u3002\u5982\u6b64\u591a\u7684\u56fd\u5bb6\u548c\u5730\u533a\uff0c\u5982\u6b64\u591a\u7684\u8bed\u8a00\u6587\u5b57\uff0c\u518d\u5404\u81ea\u641e\u4e00\u5957\u5c31\u771f\u4e71\u6210\u4e00\u9505\u7ca5\u4e86\uff0c\u9664\u4e86 ASCII \u88ab\u9ed8\u8ba4\u7ee7\u627f\uff0c\u540c\u4e00\u4e2a\u6216\u4e24\u4e2a\u5b57\u8282\uff0c\u5728\u4e0d\u540c\u7684\u7f16\u7801\u6807\u51c6\u4e2d\u57fa\u672c\u5c31\u4ee3\u8868\u7740\u4e0d\u540c\u7684\u5b57\u7b26\uff0c\u5fc5\u987b\u8981\u627e\u5230\u6b63\u786e\u7684\u6807\u51c6\u624d\u80fd\u8fdb\u884c\u89e3\u7801\uff0c\u5728\u8ba1\u7b97\u673a\u4e92\u901a\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u53d8\u5f97\u5f88\u590d\u6742\u3002\u4e00\u5957\u7edf\u4e00\u7684\u3001\u56fd\u9645\u5316\u7684\u7f16\u7801\u6807\u51c6\u52bf\u5728\u5fc5\u884c\uff0c\u5c24\u5176\u5bf9\u4e8e\u8de8\u56fd\u516c\u53f8\u5f00\u5c55\u5168\u7403\u5316\u4e1a\u52a1\uff0c\u6240\u4ee5 Unicode \u7684\u8bde\u751f\u53ef\u4ee5\u8bf4\u662f\u540d\u6b63\u8a00\u987a\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u7248 Unicode \u65e9\u5728 <a href=\"https:\/\/www.unicode.org\/versions\/Unicode1.0.0\/\" data-type=\"URL\" data-id=\"https:\/\/www.unicode.org\/versions\/Unicode1.0.0\/\">1991<\/a> \u5e74\u5c31\u53d1\u5e03\u4e86\uff0c\u76ee\u524d\u5df2\u53d1\u5c55\u5230<a href=\"https:\/\/www.unicode.org\/versions\/Unicode15.0.0\/\" data-type=\"URL\" data-id=\"https:\/\/www.unicode.org\/versions\/Unicode15.0.0\/\">\u7b2c 15 \u7248<\/a>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"727\" height=\"257\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2023\/05\/image-1.png\" alt=\"\" class=\"wp-image-9015\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5728\u65e9\u671f\u7684 ASCII \u7f16\u7801\u6807\u51c6\u4e2d\uff0c\u56e0\u4e3a\u4e00\u4e2a 8 \u4f4d\u7684\u5b57\u8282\u5c31\u53ef\u4ee5\u8868\u793a\u5b8c\u5b57\u7b26\u96c6\u4e2d\u6240\u6709\u7684\u5b57\u7b26\uff0c\u800c\u5b57\u8282\u4e5f\u6b63\u662f\u8ba1\u7b97\u673a\u4e2d\u8fdb\u884c\u8fd0\u7b97\u3001\u5b58\u50a8\u7684\u57fa\u672c\u5355\u5143\uff08\u5982 8 \u4f4d\u662f\u4f20\u7edf\u7684\u52a0\u6cd5\u5668\u3001\u9501\u5b58\u5668\u3001\u6570\u636e\u9009\u62e9\u5668\u7684\u8f93\u5165\/\u8f93\u51fa\uff09\uff0c\u6240\u4ee5\u7f16\u7801\u3001\u8fd0\u7b97\u3001\u5b58\u50a8\u65f6\u6ca1\u4ec0\u4e48\u53ef\u4e89\u8bae\u7684\u3002\u4f46\u5f53\u88ab\u7f16\u7801\u7684\u5b57\u7b26\u6570\u91cf\u8d85\u8fc7\u4e86\u4e00\u4e2a\u5b57\u8282\u53ef\u4ee5\u6709\u7684\u7ec4\u5408\u6570\u65f6\uff0c\u5c31\u53d8\u5f97\u6709\u8da3\u4e86\u3002<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6211\u73b0\u5728\u6709 257 \u4e2a\u5b57\u7b26\u9700\u8981\u7f16\u7801\u5230\u540c\u4e00\u4e2a\u7f16\u7801\u6807\u51c6\u4e2d\uff0c\u7531\u4e8e 8 \u4f4d\u6700\u591a\u53ea\u6709 256 \u79cd\u7ec4\u5408\uff080-255\uff09\uff0c\u5bf9\u4e8e\u7b2c 257 \u4e2a\u5b57\u7b26\uff0c\u81f3\u5c11\u8981\u518d\u52a0 1 \u4f4d\uff0c\u8fbe\u5230 9 \u4f4d\uff0c\u624d\u80fd\u7ed9\u8fd9\u4e2a\u591a\u51fa\u6765\u7684\u5b57\u7b26\u4e00\u4e2a\u552f\u4e00\u7f16\u7801\uff08\u5982 1 0000 0000\uff09\uff0c\u4f46\u6211\u4eec\u662f\u7528\u6570\u5b57\u6765\u5bf9\u5b57\u7b26\u8fdb\u884c\u7f16\u7801\u7684\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\u8868\u793a\u6570\u5b57\u7684\u57fa\u672c\u5355\u5143\u662f 8 \u4f4d\u7684\u5b57\u8282\uff08\u4e0d\u5b58\u5728 9 \u4f4d\u7684\u57fa\u672c\u5355\u5143\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8981\u60f3\u5728\u8ba1\u7b97\u673a\u91cc\u8fdb\u884c\u5904\u7406\uff0c\u5fc5\u987b\u628a\u7b2c 257 \u4e2a\u5b57\u7b26\u5448\u73b0\u4e3a 2 \u4e2a\u5b57\u8282\uff08\u5982 0000 0001 0000 0000\uff09\u3002\u4ee5\u6b64\u7c7b\u63a8\uff0c\u5f53\u6211\u9700\u8981\u8868\u793a\u51fa\u7b2c 65536 \u4e2a\u5b57\u7b26\u65f6\uff0c\u5728\u8ba1\u7b97\u673a\u91cc\u81f3\u5c11\u9700\u8981 3 \u4e2a\u5b57\u8282\uff0c\u5982\u679c\u5b57\u7b26\u6570\u91cf\u7ee7\u7eed\u589e\u52a0\uff0c\u5c31\u5f97\u6309\u8fd9\u4e2a\u903b\u8f91\u7ee7\u7eed\u589e\u52a0\u5b57\u8282\u6570\u3002<\/p>\n\n\n\n<p>\u4ece\u4e3e\u7684\u4f8b\u5b50\u6765\u770b\uff0c\u8ba1\u7b97\u673a\u4e2d\u7684\u5b57\u7b26\u7f16\u7801\u867d\u7136\u6bd4\u5b9e\u9645\u7f16\u7801\u591a\u4e86\u4e00\u4e9b\u6bd4\u7279\u4f4d\uff0c\u56e0\u4e3a\u53ea\u662f\u9ad8\u4f4d\u8865 0\uff0c\u4e24\u8005\u7684\u503c\u8fd8\u662f\u4e00\u81f4\u7684\uff0c\u5b9e\u9645\u4f7f\u7528\u4e2d\u5219\u6ca1\u6709\u8fd9\u4e48\u7b80\u5355\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u518d\u6b21\u56de\u5230\u4f8b\u5b50\u4e2d\uff0c\u73b0\u5728\u6211\u6709 257 \u4e2a\u5b57\u7b26\uff0c\u7b2c 257 \u4e2a\u5b57\u7b26\u7684\u5341\u8fdb\u5236\u7f16\u7801\u503c\u662f 256\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\u81f3\u5c11\u8981\u7528\u4e24\u4e2a\u5b57\u8282\u8868\u793a \u2014\u2014 0000 0001 0000 0000\u3002\u73b0\u5728\u6211\u8981\u8868\u793a\uff08\u5341\u8fdb\u5236\u7f16\u7801\u503c\u662f 1 \u7684\uff09\u7b2c 2 \u4e2a\u5b57\u7b26\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\u65e2\u53ef\u4ee5\u7528 1 \u4e2a\u5b57\u8282\u8868\u793a\u2014\u2014 0000 0001\uff0c\u4e5f\u53ef\u4ee5\u7528 2 \u4e2a\u5b57\u8282\u8868\u793a \u2014\u2014 0000 0000 0000 0001\u3002\u90a3\u4e48\uff0c\u662f<strong>\u7528 1 \u4e2a\u5b57\u8282\uff0c\u8fd8\u662f 2 \u4e2a\u5b57\u8282<\/strong>\uff1f<\/p>\n\n\n\n<p>\u5982\u679c\u7528 2 \u4e2a\u5b57\u8282\uff0c\u6bcf\u4e2a\u5b57\u7b26\u7f16\u7801\u65f6\u6240\u7528\u7684\u5b57\u8282\u6570\u5c31\u662f\u4e00\u6837\u7684\uff0c\u4fbf\u4e8e\u5bfb\u5740\uff0c\u4ee3\u4ef7\u662f\u5bf9\u8d44\u6e90\u7684\u6d6a\u8d39\u3002\u5982\u679c\u5185\u5b58\u3001\u5b58\u50a8\u6210\u672c\u6602\u8d35\uff0c\u5219\u56fa\u5b9a 2 \u5b57\u8282\u7684\u65b9\u6848\u5c31\u503c\u5f97\u5546\u69b7\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u7528 1 \u4e2a\u5b57\u8282\uff0c\u5c31\u5b58\u5728\u4e24\u79cd\u60c5\u51b5\uff0c\u6709\u7684\u5b57\u7b26\u7528 1 \u4e2a\u5b57\u8282\u8868\u793a\uff0c\u6709\u7684\u5b57\u7b26\uff08\u5fc5\u987b\uff09\u7528 2 \u4e2a\u5b57\u8282\u8868\u793a\uff0c\u5b57\u7b26\u5bf9\u5e94\u7684\u5b57\u8282\u6570\u4e0d\u56fa\u5b9a\uff0c\u8fd9\u65f6\u5c31\u9700\u8981\u5728\u7b2c 1 \u4e2a\u5b57\u8282\u4e2d\u544a\u8bc9\u8ba1\u7b97\u673a\uff0c\u8bfb\u5230\u5f53\u524d\u5b57\u8282\u5c31\u53ef\u4ee5\u5f00\u59cb\u89e3\u7801\uff0c\u8fd8\u662f\u8981\u518d\u8bfb\u53d6 1 \u4e2a\u5b57\u8282\uff0c\u7528 2 \u4e2a\u5b57\u8282\u6765\u89e3\u7801\u3002\u9700\u8981\u8868\u793a\u8fd9\u4e2a\u4fe1\u606f\uff0c\u53ef\u4ee5\u57fa\u4e8e\u56fa\u6709\u7684\u5927\u5c0f\u5c5e\u6027\u8fdb\u884c\u8868\u793a\uff0c\u4e5f\u53ef\u4ee5\u6dfb\u52a0\u989d\u5916\u7684\u4f4d\u6765\u8868\u793a\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u7f16\u7801\u503c\u548c\u5728\u8ba1\u7b97\u673a\u4e2d\u7684\u5b9e\u9645\u7f16\u7801\u6240\u8981\u8868\u8fbe\u7684\u542b\u4e49\u5177\u6709\u5dee\u522b\uff08<strong>\u524d\u8005\u76ee\u7684\u662f\u505a\u7b26\u53f7\u7684\u552f\u4e00\u6570\u5b57\u6807\u8bc6\uff0c\u540e\u8005\u8fd8\u8981\u8003\u8651\u8ba1\u7b97\u673a\u672c\u8eab\u7684\u9650\u5236<\/strong>\uff09\uff0c\u56e0\u4e3a Unicode \u8981\u6536\u5f55\u6240\u6709\u7684\u5b57\u7b26\u5230\u540c\u4e00\u4e2a\u7f16\u7801\u6807\u51c6\u4e2d\uff0c\u5fc5\u7136\u5b58\u5728\u8d85\u8fc7\u4e00\u4e2a\u5b57\u8282\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u5206\u5f97\u5f88\u6e05\u695a\uff0c\u524d\u8005\u88ab\u79f0\u4e3a <strong>Code Point<\/strong>\uff08also called <strong>Character Number<\/strong> or <strong>Code Position<\/strong> or <strong>Unicode Scalar Value<\/strong>\uff09\uff0c\u540e\u8005\u88ab\u79f0\u4e3a <strong>Code Units<\/strong>\uff0c\u5728\u524d\u9762\u4ecb\u7ecd\u7684\u51e0\u79cd\u7f16\u7801\u6807\u51c6\uff08ASCII\u3001GB2312\u3001GBK\u3001GB18030\u3001Big5\uff09\u4e2d\uff0c\u6bcf\u4e00\u79cd\u6807\u51c6\u7684 Code Point \u548c Code Units \u90fd\u662f\u786e\u5b9a\u7684\u3002\u4f46\u5728 Unicode \u4e2d\uff0c\u53ea\u89c4\u5b9a\u4e86 Code Points\uff0c\u6ca1\u6709\u89c4\u5b9a Code Units\uff0c\u5355\u8bf4 Unicode\uff0c\u53ea\u662f\u4e00\u5957\u7edf\u4e00\u7684\u5b57\u7b26\u96c6\uff08UCS\uff0cUniversal Character Set\uff09\u548c\u5b83\u5bf9\u5e94\u7684 Code Points\uff08U+0000 ~ U+10FFFF\uff09\uff0c\u5e76\u4e0d\u5305\u542b\u5728\u8ba1\u7b97\u673a\u4e2d\u5b9e\u9645\u662f\u600e\u4e48\u7f16\u7801\u8868\u793a\u7684\u3002\u53ea\u6709 UTF-8\u3001UTF-16\u3001UTF-32 \u65f6\uff0c\u624d\u8868\u793a\u5728\u4f7f\u7528 Unicode \u5b57\u7b26\u96c6\u7684\u57fa\u7840\u4e0a\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\u5b57\u7b26\u5177\u4f53\u7684 Code Units \u662f\u600e\u6837\u7684\u3002\u4e09\u79cd\u65b9\u6848\u7684\u5dee\u522b\u5c31\u5728\u4e8e Code Units \u7684\u5927\u5c0f\uff0c\u5b9e\u9645\u4f7f\u7528\u4e2d\u6839\u636e\u9700\u8981\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u7b80\u5355\u770b\u4e00\u4e0b <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc3629\" data-type=\"URL\" data-id=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc3629\">UTF-8<\/a> \u4e2d\u5bf9 Code Units \u662f\u5982\u4f55\u89c4\u5b9a\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"174\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2023\/05\/image-2.png\" alt=\"\" class=\"wp-image-9150\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>UTF-8 \u4e2d\u6240\u6709\u5b57\u7b26\u7684 Code Units \u957f\u5ea6\u5e76\u4e0d\u4e00\u81f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 \u5b57\u8282\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad8 1 \u4f4d\u4e3a 0\uff0c\u517c\u5bb9 ASCII\uff1b<\/li>\n\n\n\n<li>2 \u5b57\u8282\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad8 2 \u4f4d\u4e3a 1\uff0c\u7b2c 3 \u4f4d\u4e3a 0\uff1b<\/li>\n\n\n\n<li>3 \u5b57\u8282\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad8 3 \u4f4d\u4e3a 1\uff0c\u7b2c 4 \u4f4d\u4e3a 0\uff1b<\/li>\n\n\n\n<li>4 \u5b57\u8282\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad8 4 \u4f4d\u4e3a 1\uff0c\u7b2c 5 \u4f4d\u4e3a 0\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u800c\u5728<a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc2781.txt\" data-type=\"URL\" data-id=\"https:\/\/www.rfc-editor.org\/rfc\/rfc2781.txt\"> UTF-16<\/a> \u4e2d\uff0c\u5b57\u7b26\u6709 2 \u5b57\u8282\u30014 \u5b57\u8282\u4e24\u79cd\u957f\u5ea6\uff1b\u5728 UTF-32 \u4e2d\uff0c\u6240\u6709\u5b57\u7b26\u90fd\u7528 4 \u5b57\u8282\u3002<\/p>\n\n\n\n<p>\u4ee5 &#8216;\u86e4&#8217; \u4e3a\u4f8b\uff0c\u5728 Unicode \u4e2d\u7684 Code Point \u662f U+86E4\uff0c\u5728 UTF-8\u3001UTF-16\uff08\u6709\u5927\u5c0f\u7aef\u4e4b\u5206\uff09\u3001UTF-32\uff08\u6709\u5927\u5c0f\u7aef\u4e4b\u5206\uff09\u4e0b\u7684\u8868\u793a\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>       UTF-8\uff1aE8 9B A4\uff081110<mark style=\"background-color:#078099\" class=\"has-inline-color\">1000<\/mark> 10<mark style=\"background-color:#078099\" class=\"has-inline-color\">011011<\/mark> 10<mark style=\"background-color:#078099\" class=\"has-inline-color\">100100<\/mark>\uff0c\u628a\u80cc\u666f\u9ad8\u4eae\u90e8\u5206\u62bd\u51fa\u6765\u5c31\u662f 10000110 11100100\uff0c\u4e5f\u5c31\u662f 16 \u8fdb\u5236\u7684 86 E4\uff09<\/li>\n\n\n\n<li>UTF-16BE\uff1a86 E4<\/li>\n\n\n\n<li>UTF-32BE\uff1a00 00 86 E4<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u7801\u7684\u5386\u53f2\u7531\u6765\u5c31\u61d2\u5f97\u4ecb\u7ecd\u4e86\uff0c\u53ea\u9700\u8981\u77e5\u9053\u4eba\u7c7b\u5904\u7406\u6587\u672c\u4fe1\u606f\u662f\u4ee5\u5b57\u7b26\u4e3a\u57fa\u672c\u5355\u4f4d\uff0c\u800c\u8ba1\u7b97\u673a\u5728\u6700\u5e95\u5c42\u53ea\u8ba4\u8bc6 0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,17],"tags":[153,152],"class_list":["post-7968","post","type-post","status-publish","format-standard","hentry","category-code","category-17","tag-153","tag-152"],"_links":{"self":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/7968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7968"}],"version-history":[{"count":311,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/7968\/revisions"}],"predecessor-version":[{"id":9284,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/7968\/revisions\/9284"}],"wp:attachment":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}