{"id":25,"date":"2015-07-27T15:57:02","date_gmt":"2015-07-27T07:57:02","guid":{"rendered":"http:\/\/www.anthonylee.cn\/myblog\/?p=25"},"modified":"2018-03-08T16:15:12","modified_gmt":"2018-03-08T08:15:12","slug":"ascii%ef%bc%8cunicode-%e5%92%8c-utf-8","status":"publish","type":"post","link":"http:\/\/www.anthonylee.cn\/myblog\/?p=25","title":{"rendered":"ASCII\uff0cUnicode \u548c UTF-8"},"content":{"rendered":"

\u4e00\u3001ASCII \u7801<\/p>\n

\u6211\u4eec\u77e5\u9053\uff0c\u8ba1\u7b97\u673a\u5185\u90e8\uff0c\u6240\u6709\u4fe1\u606f\u6700\u7ec8\u90fd\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u503c\u3002\u6bcf\u4e00\u4e2a\u4e8c\u8fdb\u5236\u4f4d\uff08bit\uff09\u67090\u548c1
\n\u4e24\u79cd\u72b6\u6001\uff0c\u56e0\u6b64\u516b\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u5c31\u53ef\u4ee5\u7ec4\u5408\u51fa256\u79cd\u72b6\u6001\uff0c\u8fd9\u88ab\u79f0\u4e3a\u4e00\u4e2a\u5b57\u8282\uff08byte\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u5b57\u8282\u4e00\u5171\u53ef\u4ee5\u7528\u6765\u8868\u793a256\u79cd\u4e0d\u540c\u7684\u72b6\u6001\uff0c\u6bcf\u4e00\u4e2a\u72b6\u6001\u5bf9\u5e94\u4e00\u4e2a\u7b26\u53f7\uff0c\u5c31\u662f256\u4e2a\u7b26\u53f7\uff0c\u4ece00000000\u523011111111\u3002<\/p>\n

\u4e0a\u4e2a\u4e16\u7eaa60\u5e74\u4ee3\uff0c\u7f8e\u56fd\u5236\u5b9a\u4e86\u4e00\u5957\u5b57\u7b26\u7f16\u7801\uff0c\u5bf9\u82f1\u8bed\u5b57\u7b26\u4e0e\u4e8c\u8fdb\u5236\u4f4d\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u505a\u4e86\u7edf\u4e00\u89c4\u5b9a\u3002\u8fd9\u88ab\u79f0\u4e3a ASCII \u7801\uff0c\u4e00\u76f4\u6cbf\u7528\u81f3\u4eca\u3002<\/p>\n

ASCII \u7801\u4e00\u5171\u89c4\u5b9a\u4e86128\u4e2a\u5b57\u7b26\u7684\u7f16\u7801\uff0c\u6bd4\u5982\u7a7a\u683cSPACE\u662f32\uff08\u4e8c\u8fdb\u523600100000\uff09\uff0c\u5927\u5199\u7684\u5b57\u6bcdA
\n\u662f65\uff08\u4e8c\u8fdb\u523601000001\uff09\u3002\u8fd9128\u4e2a\u7b26\u53f7\uff08\u5305\u62ec32\u4e2a\u4e0d\u80fd\u6253\u5370\u51fa\u6765\u7684\u63a7\u5236\u7b26\u53f7\uff09\uff0c\u53ea\u5360\u7528\u4e86\u4e00\u4e2a\u5b57\u8282\u7684\u540e\u97627\u4f4d\uff0c\u6700\u524d\u9762\u7684\u4e00\u4f4d\u7edf\u4e00\u89c4\u5b9a\u4e3a0\u3002<\/p>\n

\u4e8c\u3001\u975e ASCII \u7f16\u7801<\/p>\n

\u82f1\u8bed\u7528128\u4e2a\u7b26\u53f7\u7f16\u7801\u5c31\u591f\u4e86\uff0c\u4f46\u662f\u7528\u6765\u8868\u793a\u5176\u4ed6\u8bed\u8a00\uff0c128\u4e2a\u7b26\u53f7\u662f\u4e0d\u591f\u7684\u3002\u6bd4\u5982\uff0c\u5728\u6cd5\u8bed\u4e2d\uff0c\u5b57\u6bcd\u4e0a\u65b9\u6709\u6ce8\u97f3\u7b26\u53f7\uff0c\u5b83\u5c31\u65e0\u6cd5\u7528 ASCII \u7801\u8868\u793a\u3002\u4e8e\u662f\uff0c\u4e00\u4e9b\u6b27\u6d32\u56fd\u5bb6\u5c31\u51b3\u5b9a\uff0c\u5229\u7528\u5b57\u8282\u4e2d\u95f2\u7f6e\u7684\u6700\u9ad8\u4f4d\u7f16\u5165\u65b0\u7684\u7b26\u53f7\u3002\u6bd4\u5982\uff0c\u6cd5\u8bed\u4e2d\u7684\u00e9
\n\u7684\u7f16\u7801\u4e3a130\uff08\u4e8c\u8fdb\u523610000010\uff09\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u8fd9\u4e9b\u6b27\u6d32\u56fd\u5bb6\u4f7f\u7528\u7684\u7f16\u7801\u4f53\u7cfb\uff0c\u53ef\u4ee5\u8868\u793a\u6700\u591a256\u4e2a\u7b26\u53f7\u3002<\/p>\n

\u4f46\u662f\uff0c\u8fd9\u91cc\u53c8\u51fa\u73b0\u4e86\u65b0\u7684\u95ee\u9898\u3002\u4e0d\u540c\u7684\u56fd\u5bb6\u6709\u4e0d\u540c\u7684\u5b57\u6bcd\uff0c\u56e0\u6b64\uff0c\u54ea\u6015\u5b83\u4eec\u90fd\u4f7f\u7528256\u4e2a\u7b26\u53f7\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u4ee3\u8868\u7684\u5b57\u6bcd\u5374\u4e0d\u4e00\u6837\u3002\u6bd4\u5982\uff0c130\u5728\u6cd5\u8bed\u7f16\u7801\u4e2d\u4ee3\u8868\u4e86\u00e9\uff0c\u5728\u5e0c\u4f2f\u6765\u8bed\u7f16\u7801\u4e2d\u5374\u4ee3\u8868\u4e86\u5b57\u6bcdGimel(\u05d2)\uff0c\u5728\u4fc4\u8bed\u7f16\u7801\u4e2d\u53c8\u4f1a\u4ee3\u8868\u53e6\u4e00\u4e2a\u7b26\u53f7\u3002\u4f46\u662f\u4e0d\u7ba1\u600e\u6837\uff0c\u6240\u6709\u8fd9\u4e9b\u7f16\u7801\u65b9\u5f0f\u4e2d\uff0c0–127\u8868\u793a\u7684\u7b26\u53f7\u662f\u4e00\u6837\u7684\uff0c\u4e0d\u4e00\u6837\u7684\u53ea\u662f128–255\u7684\u8fd9\u4e00\u6bb5\u3002<\/p>\n

\u81f3\u4e8e\u4e9a\u6d32\u56fd\u5bb6\u7684\u6587\u5b57\uff0c\u4f7f\u7528\u7684\u7b26\u53f7\u5c31\u66f4\u591a\u4e86\uff0c\u6c49\u5b57\u5c31\u591a\u8fbe10\u4e07\u5de6\u53f3\u3002\u4e00\u4e2a\u5b57\u8282\u53ea\u80fd\u8868\u793a256\u79cd\u7b26\u53f7\uff0c\u80af\u5b9a\u662f\u4e0d\u591f\u7684\uff0c\u5c31\u5fc5\u987b\u4f7f\u7528\u591a\u4e2a\u5b57\u8282\u8868\u8fbe\u4e00\u4e2a\u7b26\u53f7\u3002\u6bd4\u5982\uff0c\u7b80\u4f53\u4e2d\u6587\u5e38\u89c1\u7684\u7f16\u7801\u65b9\u5f0f\u662f GB2312\uff0c\u4f7f\u7528\u4e24\u4e2a\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u6c49\u5b57\uff0c\u6240\u4ee5\u7406\u8bba\u4e0a\u6700\u591a\u53ef\u4ee5\u8868\u793a 256 x 256 = 65536 \u4e2a\u7b26\u53f7\u3002<\/p>\n

\u4e2d\u6587\u7f16\u7801\u7684\u95ee\u9898\u9700\u8981\u4e13\u6587\u8ba8\u8bba\uff0c\u8fd9\u7bc7\u7b14\u8bb0\u4e0d\u6d89\u53ca\u3002\u8fd9\u91cc\u53ea\u6307\u51fa\uff0c\u867d\u7136\u90fd\u662f\u7528\u591a\u4e2a\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u7b26\u53f7\uff0c\u4f46\u662fGB\u7c7b\u7684\u6c49\u5b57\u7f16\u7801\u4e0e\u540e\u6587\u7684 Unicode \u548c UTF-8 \u662f\u6beb\u65e0\u5173\u7cfb\u7684\u3002<\/p>\n

\u4e09. Unicode<\/p>\n

\u6b63\u5982\u4e0a\u4e00\u8282\u6240\u8bf4\uff0c\u4e16\u754c\u4e0a\u5b58\u5728\u7740\u591a\u79cd\u7f16\u7801\u65b9\u5f0f\uff0c\u540c\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6570\u5b57\u53ef\u4ee5\u88ab\u89e3\u91ca\u6210\u4e0d\u540c\u7684\u7b26\u53f7\u3002\u56e0\u6b64\uff0c\u8981\u60f3\u6253\u5f00\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff0c\u5c31\u5fc5\u987b\u77e5\u9053\u5b83\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u5426\u5219\u7528\u9519\u8bef\u7684\u7f16\u7801\u65b9\u5f0f\u89e3\u8bfb\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e71\u7801\u3002\u4e3a\u4ec0\u4e48\u7535\u5b50\u90ae\u4ef6\u5e38\u5e38\u51fa\u73b0\u4e71\u7801\uff1f\u5c31\u662f\u56e0\u4e3a\u53d1\u4fe1\u4eba\u548c\u6536\u4fe1\u4eba\u4f7f\u7528\u7684\u7f16\u7801\u65b9\u5f0f\u4e0d\u4e00\u6837\u3002<\/p>\n

\u53ef\u4ee5\u60f3\u8c61\uff0c\u5982\u679c\u6709\u4e00\u79cd\u7f16\u7801\uff0c\u5c06\u4e16\u754c\u4e0a\u6240\u6709\u7684\u7b26\u53f7\u90fd\u7eb3\u5165\u5176\u4e2d\u3002\u6bcf\u4e00\u4e2a\u7b26\u53f7\u90fd\u7ed9\u4e88\u4e00\u4e2a\u72ec\u4e00\u65e0\u4e8c\u7684\u7f16\u7801\uff0c\u90a3\u4e48\u4e71\u7801\u95ee\u9898\u5c31\u4f1a\u6d88\u5931\u3002\u8fd9\u5c31\u662f Unicode\uff0c\u5c31\u50cf\u5b83\u7684\u540d\u5b57\u90fd\u8868\u793a\u7684\uff0c\u8fd9\u662f\u4e00\u79cd\u6240\u6709\u7b26\u53f7\u7684\u7f16\u7801\u3002<\/p>\n

Unicode \u5f53\u7136\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u96c6\u5408\uff0c\u73b0\u5728\u7684\u89c4\u6a21\u53ef\u4ee5\u5bb9\u7eb3100\u591a\u4e07\u4e2a\u7b26\u53f7\u3002\u6bcf\u4e2a\u7b26\u53f7\u7684\u7f16\u7801\u90fd\u4e0d\u4e00\u6837\uff0c\u6bd4\u5982\uff0cU+0639\u8868\u793a\u963f\u62c9\u4f2f\u5b57\u6bcdAin\uff0cU+0041\u8868\u793a\u82f1\u8bed\u7684\u5927\u5199\u5b57\u6bcdA\uff0cU+4E25\u8868\u793a\u6c49\u5b57\u4e25\u3002\u5177\u4f53\u7684\u7b26\u53f7\u5bf9\u5e94\u8868\uff0c\u53ef\u4ee5\u67e5\u8be2unicode.org\uff0c\u6216\u8005\u4e13\u95e8\u7684\u6c49\u5b57\u5bf9\u5e94\u8868\u3002<\/p>\n

\u56db\u3001Unicode \u7684\u95ee\u9898<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cUnicode \u53ea\u662f\u4e00\u4e2a\u7b26\u53f7\u96c6\uff0c\u5b83\u53ea\u89c4\u5b9a\u4e86\u7b26\u53f7\u7684\u4e8c\u8fdb\u5236\u4ee3\u7801\uff0c\u5374\u6ca1\u6709\u89c4\u5b9a\u8fd9\u4e2a\u4e8c\u8fdb\u5236\u4ee3\u7801\u5e94\u8be5\u5982\u4f55\u5b58\u50a8\u3002<\/p>\n

\u6bd4\u5982\uff0c\u6c49\u5b57\u4e25\u7684 Unicode \u662f\u5341\u516d\u8fdb\u5236\u65704E25\uff0c\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\u6570\u8db3\u8db3\u670915\u4f4d\uff08100111000100101\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u4e2a\u7b26\u53f7\u7684\u8868\u793a\u81f3\u5c11\u9700\u89812\u4e2a\u5b57\u8282\u3002\u8868\u793a\u5176\u4ed6\u66f4\u5927\u7684\u7b26\u53f7\uff0c\u53ef\u80fd\u9700\u89813\u4e2a\u5b57\u8282\u6216\u80054\u4e2a\u5b57\u8282\uff0c\u751a\u81f3\u66f4\u591a\u3002<\/p>\n

\u8fd9\u91cc\u5c31\u6709\u4e24\u4e2a\u4e25\u91cd\u7684\u95ee\u9898\uff0c\u7b2c\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u5982\u4f55\u624d\u80fd\u533a\u522b Unicode \u548c ASCII \uff1f\u8ba1\u7b97\u673a\u600e\u4e48\u77e5\u9053\u4e09\u4e2a\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u7b26\u53f7\uff0c\u800c\u4e0d\u662f\u5206\u522b\u8868\u793a\u4e09\u4e2a\u7b26\u53f7\u5462\uff1f\u7b2c\u4e8c\u4e2a\u95ee\u9898\u662f\uff0c\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\uff0c\u82f1\u6587\u5b57\u6bcd\u53ea\u7528\u4e00\u4e2a\u5b57\u8282\u8868\u793a\u5c31\u591f\u4e86\uff0c\u5982\u679c Unicode \u7edf\u4e00\u89c4\u5b9a\uff0c\u6bcf\u4e2a\u7b26\u53f7\u7528\u4e09\u4e2a\u6216\u56db\u4e2a\u5b57\u8282\u8868\u793a\uff0c\u90a3\u4e48\u6bcf\u4e2a\u82f1\u6587\u5b57\u6bcd\u524d\u90fd\u5fc5\u7136\u6709\u4e8c\u5230\u4e09\u4e2a\u5b57\u8282\u662f0\uff0c\u8fd9\u5bf9\u4e8e\u5b58\u50a8\u6765\u8bf4\u662f\u6781\u5927\u7684\u6d6a\u8d39\uff0c\u6587\u672c\u6587\u4ef6\u7684\u5927\u5c0f\u4f1a\u56e0\u6b64\u5927\u51fa\u4e8c\u4e09\u500d\uff0c\u8fd9\u662f\u65e0\u6cd5\u63a5\u53d7\u7684\u3002<\/p>\n

\u5b83\u4eec\u9020\u6210\u7684\u7ed3\u679c\u662f\uff1a1\uff09\u51fa\u73b0\u4e86 Unicode \u7684\u591a\u79cd\u5b58\u50a8\u65b9\u5f0f\uff0c\u4e5f\u5c31\u662f\u8bf4\u6709\u8bb8\u591a\u79cd\u4e0d\u540c\u7684\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c\u53ef\u4ee5\u7528\u6765\u8868\u793a Unicode\u30022\uff09Unicode \u5728\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u5185\u65e0\u6cd5\u63a8\u5e7f\uff0c\u76f4\u5230\u4e92\u8054\u7f51\u7684\u51fa\u73b0\u3002<\/p>\n

\u4e94\u3001UTF-8<\/p>\n

\u4e92\u8054\u7f51\u7684\u666e\u53ca\uff0c\u5f3a\u70c8\u8981\u6c42\u51fa\u73b0\u4e00\u79cd\u7edf\u4e00\u7684\u7f16\u7801\u65b9\u5f0f\u3002UTF-8 \u5c31\u662f\u5728\u4e92\u8054\u7f51\u4e0a\u4f7f\u7528\u6700\u5e7f\u7684\u4e00\u79cd Unicode \u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u5176\u4ed6\u5b9e\u73b0\u65b9\u5f0f\u8fd8\u5305\u62ec UTF-16\uff08\u5b57\u7b26\u7528\u4e24\u4e2a\u5b57\u8282\u6216\u56db\u4e2a\u5b57\u8282\u8868\u793a\uff09\u548c UTF-32\uff08\u5b57\u7b26\u7528\u56db\u4e2a\u5b57\u8282\u8868\u793a\uff09\uff0c\u4e0d\u8fc7\u5728\u4e92\u8054\u7f51\u4e0a\u57fa\u672c\u4e0d\u7528\u3002\u91cd\u590d\u4e00\u904d\uff0c\u8fd9\u91cc\u7684\u5173\u7cfb\u662f\uff0cUTF-8 \u662f Unicode \u7684\u5b9e\u73b0\u65b9\u5f0f\u4e4b\u4e00\u3002<\/p>\n

UTF-8 \u6700\u5927\u7684\u4e00\u4e2a\u7279\u70b9\uff0c\u5c31\u662f\u5b83\u662f\u4e00\u79cd\u53d8\u957f\u7684\u7f16\u7801\u65b9\u5f0f\u3002\u5b83\u53ef\u4ee5\u4f7f\u75281~4\u4e2a\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u7b26\u53f7\uff0c\u6839\u636e\u4e0d\u540c\u7684\u7b26\u53f7\u800c\u53d8\u5316\u5b57\u8282\u957f\u5ea6\u3002<\/p>\n

UTF-8 \u7684\u7f16\u7801\u89c4\u5219\u5f88\u7b80\u5355\uff0c\u53ea\u6709\u4e8c\u6761\uff1a<\/p>\n

1\uff09\u5bf9\u4e8e\u5355\u5b57\u8282\u7684\u7b26\u53f7\uff0c\u5b57\u8282\u7684\u7b2c\u4e00\u4f4d\u8bbe\u4e3a0\uff0c\u540e\u97627\u4f4d\u4e3a\u8fd9\u4e2a\u7b26\u53f7\u7684 Unicode \u7801\u3002\u56e0\u6b64\u5bf9\u4e8e\u82f1\u8bed\u5b57\u6bcd\uff0cUTF-8 \u7f16\u7801\u548c ASCII \u7801\u662f\u76f8\u540c\u7684\u3002<\/p>\n

2\uff09\u5bf9\u4e8en\u5b57\u8282\u7684\u7b26\u53f7\uff08n > 1\uff09\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u524dn\u4f4d\u90fd\u8bbe\u4e3a1\uff0c\u7b2cn + 1\u4f4d\u8bbe\u4e3a0\uff0c\u540e\u9762\u5b57\u8282\u7684\u524d\u4e24\u4f4d\u4e00\u5f8b\u8bbe\u4e3a10\u3002\u5269\u4e0b\u7684\u6ca1\u6709\u63d0\u53ca\u7684\u4e8c\u8fdb\u5236\u4f4d\uff0c\u5168\u90e8\u4e3a\u8fd9\u4e2a\u7b26\u53f7\u7684 Unicode \u7801\u3002<\/p>\n

\u4e0b\u8868\u603b\u7ed3\u4e86\u7f16\u7801\u89c4\u5219\uff0c\u5b57\u6bcdx\u8868\u793a\u53ef\u7528\u7f16\u7801\u7684\u4f4d\u3002<\/p>\n

\"53e300004dfcbb6194ed.jpg\"<\/p>\n

\u8ddf\u636e\u4e0a\u8868\uff0c\u89e3\u8bfb UTF-8 \u7f16\u7801\u975e\u5e38\u7b80\u5355\u3002\u5982\u679c\u4e00\u4e2a\u5b57\u8282\u7684\u7b2c\u4e00\u4f4d\u662f0\uff0c\u5219\u8fd9\u4e2a\u5b57\u8282\u5355\u72ec\u5c31\u662f\u4e00\u4e2a\u5b57\u7b26\uff1b\u5982\u679c\u7b2c\u4e00\u4f4d\u662f1\uff0c\u5219\u8fde\u7eed\u6709\u591a\u5c11\u4e2a1\uff0c\u5c31\u8868\u793a\u5f53\u524d\u5b57\u7b26\u5360\u7528\u591a\u5c11\u4e2a\u5b57\u8282\u3002<\/p>\n

\u4e0b\u9762\uff0c\u8fd8\u662f\u4ee5\u6c49\u5b57\u4e25\u4e3a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5b9e\u73b0 UTF-8 \u7f16\u7801\u3002\u4e25\u7684 Unicode \u662f4E25\uff08100111000100101\uff09\uff0c\u6839\u636e\u4e0a\u8868\uff0c\u53ef\u4ee5\u53d1\u73b04E25\u5904\u5728\u7b2c\u4e09\u884c\u7684\u8303\u56f4\u5185\uff080000 0800 – 0000 FFFF\uff09\uff0c\u56e0\u6b64\u4e25\u7684 UTF-8 \u7f16\u7801\u9700\u8981\u4e09\u4e2a\u5b57\u8282\uff0c\u5373\u683c\u5f0f\u662f1110xxxx 10xxxxxx 10xxxxxx\u3002\u7136\u540e\uff0c\u4ece\u4e25\u7684\u6700\u540e\u4e00\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u5f00\u59cb\uff0c\u4f9d\u6b21\u4ece\u540e\u5411\u524d\u586b\u5165\u683c\u5f0f\u4e2d\u7684x\uff0c\u591a\u51fa\u7684\u4f4d\u88650\u3002\u8fd9\u6837\u5c31\u5f97\u5230\u4e86\uff0c\u4e25\u7684 UTF-8 \u7f16\u7801\u662f11100100 10111000 10100101\uff0c\u8f6c\u6362\u6210\u5341\u516d\u8fdb\u5236\u5c31\u662fE4B8A5\u3002<\/p>\n

\u516d\u3001Unicode \u4e0e UTF-8 \u4e4b\u95f4\u7684\u8f6c\u6362<\/p>\n

\u901a\u8fc7\u4e0a\u4e00\u8282\u7684\u4f8b\u5b50\uff0c\u53ef\u4ee5\u770b\u5230\u4e25\u7684 Unicode\u7801 \u662f4E25\uff0cUTF-8 \u7f16\u7801\u662fE4B8A5
\n\uff0c\u4e24\u8005\u662f\u4e0d\u4e00\u6837\u7684\u3002\u5b83\u4eec\u4e4b\u95f4\u7684\u8f6c\u6362\u53ef\u4ee5\u901a\u8fc7\u7a0b\u5e8f\u5b9e\u73b0\u3002<\/p>\n

Windows\u5e73\u53f0\uff0c\u6709\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u8f6c\u5316\u65b9\u6cd5\uff0c\u5c31\u662f\u4f7f\u7528\u5185\u7f6e\u7684\u8bb0\u4e8b\u672c\u5c0f\u7a0b\u5e8fnotepad.exe\u3002\u6253\u5f00\u6587\u4ef6\u540e\uff0c\u70b9\u51fb\u6587\u4ef6\u83dc\u5355\u4e2d\u7684\u53e6\u5b58\u4e3a\u547d\u4ee4\uff0c\u4f1a\u8df3\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\uff0c\u5728\u6700\u5e95\u90e8\u6709\u4e00\u4e2a\u7f16\u7801
\n\u7684\u4e0b\u62c9\u6761\u3002<\/p>\n

\u91cc\u9762\u6709\u56db\u4e2a\u9009\u9879\uff1aANSI\uff0cUnicode\uff0cUnicode big endian\u548cUTF-8\u3002<\/p>\n

1\uff09ANSI\u662f\u9ed8\u8ba4\u7684\u7f16\u7801\u65b9\u5f0f\u3002\u5bf9\u4e8e\u82f1\u6587\u6587\u4ef6\u662fASCII\u7f16\u7801\uff0c\u5bf9\u4e8e\u7b80\u4f53\u4e2d\u6587\u6587\u4ef6\u662fGB2312\u7f16\u7801\uff08\u53ea\u9488\u5bf9 Windows \u7b80\u4f53\u4e2d\u6587\u7248\uff0c\u5982\u679c\u662f\u7e41\u4f53\u4e2d\u6587\u7248\u4f1a\u91c7\u7528 Big5 \u7801\uff09\u3002<\/p>\n

2\uff09Unicode\u7f16\u7801\u8fd9\u91cc\u6307\u7684\u662fnotepad.exe\u4f7f\u7528\u7684 UCS-2 \u7f16\u7801\u65b9\u5f0f\uff0c\u5373\u76f4\u63a5\u7528\u4e24\u4e2a\u5b57\u8282\u5b58\u5165\u5b57\u7b26\u7684 Unicode \u7801\uff0c\u8fd9\u4e2a\u9009\u9879\u7528\u7684 little endian \u683c\u5f0f\u3002<\/p>\n

3\uff09Unicode big endian\u7f16\u7801\u4e0e\u4e0a\u4e00\u4e2a\u9009\u9879\u76f8\u5bf9\u5e94\u3002\u6211\u5728\u4e0b\u4e00\u8282\u4f1a\u89e3\u91ca little endian \u548c big endian \u7684\u6db5\u4e49\u3002<\/p>\n

4\uff09UTF-8\u7f16\u7801\uff0c\u4e5f\u5c31\u662f\u4e0a\u4e00\u8282\u8c08\u5230\u7684\u7f16\u7801\u65b9\u6cd5\u3002<\/p>\n

\u9009\u62e9\u5b8c”\u7f16\u7801\u65b9\u5f0f”\u540e\uff0c\u70b9\u51fb”\u4fdd\u5b58”\u6309\u94ae\uff0c\u6587\u4ef6\u7684\u7f16\u7801\u65b9\u5f0f\u5c31\u7acb\u523b\u8f6c\u6362\u597d\u4e86\u3002<\/p>\n

\u4e03\u3001Little endian \u548c Big endian<\/p>\n

\u4e0a\u4e00\u8282\u5df2\u7ecf\u63d0\u5230\uff0cUCS-2 \u683c\u5f0f\u53ef\u4ee5\u5b58\u50a8 Unicode \u7801\uff08\u7801\u70b9\u4e0d\u8d85\u8fc70xFFFF\uff09\u3002\u4ee5\u6c49\u5b57\u4e25\u4e3a\u4f8b\uff0cUnicode \u7801\u662f4E25\uff0c\u9700\u8981\u7528\u4e24\u4e2a\u5b57\u8282\u5b58\u50a8\uff0c\u4e00\u4e2a\u5b57\u8282\u662f4E\uff0c\u53e6\u4e00\u4e2a\u5b57\u8282\u662f25\u3002\u5b58\u50a8\u7684\u65f6\u5019\uff0c4E\u5728\u524d\uff0c25\u5728\u540e\uff0c\u8fd9\u5c31\u662f Big endian \u65b9\u5f0f\uff1b25\u5728\u524d\uff0c4E
\n\u5728\u540e\uff0c\u8fd9\u662f Little endian \u65b9\u5f0f\u3002<\/p>\n

\u8fd9\u4e24\u4e2a\u53e4\u602a\u7684\u540d\u79f0\u6765\u81ea\u82f1\u56fd\u4f5c\u5bb6\u65af\u5a01\u592b\u7279\u7684\u300a\u683c\u5217\u4f5b\u6e38\u8bb0\u300b\u3002\u5728\u8be5\u4e66\u4e2d\uff0c\u5c0f\u4eba\u56fd\u91cc\u7206\u53d1\u4e86\u5185\u6218\uff0c\u6218\u4e89\u8d77\u56e0\u662f\u4eba\u4eec\u4e89\u8bba\uff0c\u5403\u9e21\u86cb\u65f6\u7a76\u7adf\u662f\u4ece\u5927\u5934(Big-endian)\u6572\u5f00\u8fd8\u662f\u4ece\u5c0f\u5934(Little-endian)\u6572\u5f00\u3002\u4e3a\u4e86\u8fd9\u4ef6\u4e8b\u60c5\uff0c\u524d\u540e\u7206\u53d1\u4e86\u516d\u6b21\u6218\u4e89\uff0c\u4e00\u4e2a\u7687\u5e1d\u9001\u4e86\u547d\uff0c\u53e6\u4e00\u4e2a\u7687\u5e1d\u4e22\u4e86\u738b\u4f4d\u3002<\/p>\n

\u7b2c\u4e00\u4e2a\u5b57\u8282\u5728\u524d\uff0c\u5c31\u662f”\u5927\u5934\u65b9\u5f0f”\uff08Big endian\uff09\uff0c\u7b2c\u4e8c\u4e2a\u5b57\u8282\u5728\u524d\u5c31\u662f”\u5c0f\u5934\u65b9\u5f0f”\uff08Little endian\uff09\u3002<\/p>\n

\u90a3\u4e48\u5f88\u81ea\u7136\u7684\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\uff1a\u8ba1\u7b97\u673a\u600e\u4e48\u77e5\u9053\u67d0\u4e00\u4e2a\u6587\u4ef6\u5230\u5e95\u91c7\u7528\u54ea\u4e00\u79cd\u65b9\u5f0f\u7f16\u7801\uff1f<\/p>\n

Unicode \u89c4\u8303\u5b9a\u4e49\uff0c\u6bcf\u4e00\u4e2a\u6587\u4ef6\u7684\u6700\u524d\u9762\u5206\u522b\u52a0\u5165\u4e00\u4e2a\u8868\u793a\u7f16\u7801\u987a\u5e8f\u7684\u5b57\u7b26\uff0c\u8fd9\u4e2a\u5b57\u7b26\u7684\u540d\u5b57\u53eb\u505a”\u96f6\u5bbd\u5ea6\u975e\u6362\u884c\u7a7a\u683c”\uff08zero width no-break space\uff09\uff0c\u7528FEFF\u8868\u793a\u3002\u8fd9\u6b63\u597d\u662f\u4e24\u4e2a\u5b57\u8282\uff0c\u800c\u4e14FF\u6bd4FE\u59271\u3002<\/p>\n

\u5982\u679c\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u7684\u5934\u4e24\u4e2a\u5b57\u8282\u662fFE FF\uff0c\u5c31\u8868\u793a\u8be5\u6587\u4ef6\u91c7\u7528\u5927\u5934\u65b9\u5f0f\uff1b\u5982\u679c\u5934\u4e24\u4e2a\u5b57\u8282\u662fFF FE\uff0c\u5c31\u8868\u793a\u8be5\u6587\u4ef6\u91c7\u7528\u5c0f\u5934\u65b9\u5f0f\u3002<\/p>\n

\u516b\u3001\u5b9e\u4f8b<\/p>\n

\u4e0b\u9762\uff0c\u4e3e\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/p>\n

\u6253\u5f00”\u8bb0\u4e8b\u672c”\u7a0b\u5e8fnotepad.exe\uff0c\u65b0\u5efa\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff0c\u5185\u5bb9\u5c31\u662f\u4e00\u4e2a\u4e25\u5b57\uff0c\u4f9d\u6b21\u91c7\u7528ANSI\uff0cUnicode\uff0cUnicode big endian\u548cUTF-8\u7f16\u7801\u65b9\u5f0f\u4fdd\u5b58\u3002<\/p>\n

\u7136\u540e\uff0c\u7528\u6587\u672c\u7f16\u8f91\u8f6f\u4ef6UltraEdit \u4e2d\u7684”\u5341\u516d\u8fdb\u5236\u529f\u80fd”\uff0c\u89c2\u5bdf\u8be5\u6587\u4ef6\u7684\u5185\u90e8\u7f16\u7801\u65b9\u5f0f\u3002<\/p>\n

1\uff09ANSI\uff1a\u6587\u4ef6\u7684\u7f16\u7801\u5c31\u662f\u4e24\u4e2a\u5b57\u8282D1 CF\uff0c\u8fd9\u6b63\u662f\u4e25\u7684 GB2312 \u7f16\u7801\uff0c\u8fd9\u4e5f\u6697\u793a GB2312 \u662f\u91c7\u7528\u5927\u5934\u65b9\u5f0f\u5b58\u50a8\u7684\u3002<\/p>\n

2\uff09Unicode\uff1a\u7f16\u7801\u662f\u56db\u4e2a\u5b57\u8282FF FE 25 4E\uff0c\u5176\u4e2dFF FE\u8868\u660e\u662f\u5c0f\u5934\u65b9\u5f0f\u5b58\u50a8\uff0c\u771f\u6b63\u7684\u7f16\u7801\u662f4E25\u3002<\/p>\n

3\uff09Unicode big endian\uff1a\u7f16\u7801\u662f\u56db\u4e2a\u5b57\u8282FE FF 4E 25\uff0c\u5176\u4e2dFE FF\u8868\u660e\u662f\u5927\u5934\u65b9\u5f0f\u5b58\u50a8\u3002<\/p>\n

4\uff09UTF-8\uff1a\u7f16\u7801\u662f\u516d\u4e2a\u5b57\u8282EF BB BF E4 B8 A5\uff0c\u524d\u4e09\u4e2a\u5b57\u8282EF BB BF\u8868\u793a\u8fd9\u662fUTF-8\u7f16\u7801\uff0c\u540e\u4e09\u4e2aE4B8A5
\n\u5c31\u662f\u4e25\u7684\u5177\u4f53\u7f16\u7801\uff0c\u5b83\u7684\u5b58\u50a8\u987a\u5e8f\u4e0e\u7f16\u7801\u987a\u5e8f\u662f\u4e00\u81f4\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001ASCII \u7801 \u6211\u4eec\u77e5\u9053\uff0c\u8ba1\u7b97\u673a\u5185\u90e8\uff0c\u6240\u6709\u4fe1\u606f\u6700\u7ec8\u90fd\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u503c\u3002\u6bcf\u4e00\u4e2a\u4e8c\u8fdb\u5236\u4f4d\uff08bit\uff09\u67090… \u7ee7\u7eed\u9605\u8bfb ASCII\uff0cUnicode \u548c UTF-8<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/25"}],"collection":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25"}],"version-history":[{"count":1,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/25\/revisions"}],"predecessor-version":[{"id":26,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/25\/revisions\/26"}],"wp:attachment":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}