{"id":202,"date":"2023-05-07T15:15:44","date_gmt":"2023-11-01T01:26:19","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e5%a4%84%e7%90%86unicode\/"},"modified":"2025-08-01T02:19:06","modified_gmt":"2025-07-31T18:19:06","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e5%a4%84%e7%90%86unicode","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e5%a4%84%e7%90%86unicode\/","title":{"rendered":"Python Unicode\u5904\u7406\u6307\u5357\uff1a\u89e3\u51b3\u4e71\u7801\u4e0e\u7f16\u7801\u96be\u9898"},"content":{"rendered":"<h3>\u7b80\u4ecb<\/h3>\n<p>Unicode\u662f\u5168\u7403\u5927\u591a\u6570\u8ba1\u7b97\u673a\u7684\u6807\u51c6\u5b57\u7b26\u7f16\u7801\u3002\u5b83\u786e\u4fdd\u6587\u672c\uff08\u5305\u62ec\u5b57\u6bcd\u3001\u7b26\u53f7\u3001\u8868\u60c5\u7b26\u53f7\u548c\u63a7\u5236\u5b57\u7b26\uff09\u5728\u4e0d\u540c\u8bbe\u5907\u3001\u5e73\u53f0\u548c\u6570\u5b57\u6587\u6863\u4e0a\u663e\u793a\u4e00\u81f4\uff0c\u65e0\u8bba\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u6216\u8f6f\u4ef6\u5982\u4f55\u3002\u5b83\u662f\u4e92\u8054\u7f51\u548c\u8ba1\u7b97\u673a\u884c\u4e1a\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u6ca1\u6709\u5b83\uff0c\u4e92\u8054\u7f51\u5c06\u53d8\u5f97\u66f4\u52a0\u6df7\u4e71\u548c\u96be\u4ee5\u4f7f\u7528\u3002<\/p>\n<p>Unicode\u5176\u672c\u8eab\u5e76\u4e0d\u662f\u7f16\u7801\uff0c\u800c\u66f4\u50cf\u662f\u4e00\u4e2a\u5305\u542b\u5730\u7403\u4e0a\u51e0\u4e4e\u6240\u6709\u53ef\u80fd\u5b57\u7b26\u7684\u6570\u636e\u5e93\u3002Unicode\u5305\u542b\u4e00\u4e2a\u4ee3\u7801\u70b9\uff0c\u5373\u5176\u6570\u636e\u5e93\u4e2d\u6bcf\u4e2a\u5b57\u7b26\u7684\u6807\u8bc6\u7b26\uff0c\u5176\u503c\u7684\u8303\u56f4\u4ece0\u5230110\u4e07\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u51e0\u4e4e\u4e0d\u592a\u53ef\u80fd\u4f1a\u7528\u5b8c\u8fd9\u4e9b\u72ec\u7279\u7684\u4ee3\u7801\u70b9\u3002Unicode\u4e2d\u7684\u6bcf\u4e2a\u4ee3\u7801\u70b9\u90fd\u8868\u793a\u4e3aU+n\u7684\u5f62\u5f0f\uff0c\u5176\u4e2dU+\u8868\u793a\u5b83\u662f\u4e00\u4e2aUnicode\u4ee3\u7801\u70b9\uff0cn\u662f\u8be5\u5b57\u7b26\u7684\u56db\u5230\u516d\u4f4d\u5341\u516d\u8fdb\u5236\u6570\u5b57\u3002\u5b83\u662f\u6bd4ASCII\u66f4\u4e3a\u5f3a\u5927\u7684\u7f16\u7801\u7cfb\u7edf\uff0c\u540e\u8005\u4ec5\u8868\u793a128\u4e2a\u5b57\u7b26\u3002\u4f7f\u7528ASCII\u5728\u5168\u7403\u8303\u56f4\u5185\u4ea4\u6362\u6570\u5b57\u6587\u672c\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a\u5b83\u662f\u57fa\u4e8e\u7f8e\u5f0f\u82f1\u8bed\uff0c\u4e0d\u652f\u6301\u91cd\u97f3\u5b57\u7b26\u3002\u53e6\u4e00\u65b9\u9762\uff0cUnicode\u51e0\u4e4e\u5305\u542b15\u4e07\u4e2a\u5b57\u7b26\uff0c\u5e76\u8986\u76d6\u4e86\u5730\u7403\u4e0a\u6bcf\u79cd\u8bed\u8a00\u7684\u5b57\u7b26\u3002<\/p>\n<p>\u968f\u4e4b\u800c\u6765\u7684\u662f\u5bf9\u7f16\u7a0b\u8bed\u8a00\uff08\u5982Python\uff09\u7684\u9700\u6c42\uff0c\u4ee5\u4fbf\u6b63\u786e\u5904\u7406\u6587\u672c\u5e76\u4f7f\u8f6f\u4ef6\u5b9e\u73b0\u56fd\u9645\u5316\u6210\u4e3a\u53ef\u80fd\u3002Python\u53ef\u7528\u4e8e\u5404\u79cd\u4efb\u52a1\uff0c\u5305\u62ec\u7535\u5b50\u90ae\u4ef6\u3001\u670d\u52a1\u5668\u548c\u7f51\u7edc\uff0c\u5b83\u901a\u8fc7\u91c7\u7528Unicode\u6807\u51c6\u6765\u4f18\u96c5\u5730\u5904\u7406Unicode\uff0c\u5e76\u5177\u6709\u5904\u7406\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5728Python\u4e2d\u4f7f\u7528Unicode\u53ef\u80fd\u4f1a\u4ee4\u4eba\u56f0\u60d1\u5e76\u5bfc\u81f4\u9519\u8bef\u3002\u672c\u6559\u7a0b\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528Unicode\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5e2e\u52a9\u60a8\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\u3002\u60a8\u5c06\u4f7f\u7528Python\u6765\u89e3\u91caUnicode\uff0c\u4f7f\u7528Python\u7684\u6807\u51c6\u5316\u51fd\u6570\u6765\u89c4\u8303\u6570\u636e\uff0c\u5e76\u5904\u7406Python\u4e2d\u7684Unicode\u9519\u8bef\u3002<\/p>\n<h2>\u5148\u51b3\u6761\u4ef6<\/h2>\n<p>\u8981\u8ddf\u968f\u672c\u6559\u7a0b\uff0c\u4f60\u9700\u8981\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u5728\u672c\u5730\u6216\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u5b89\u88c5Python\u3002\u5982\u679c\u4f60\u5c1a\u672a\u8bbe\u7f6ePython\uff0c\u53ef\u4ee5\u6309\u7167\u6211\u4eec\u7684\u6559\u7a0b<a href=\"#\">\u5982\u4f55\u5b89\u88c5Python 3\u5e76\u8bbe\u7f6e\u7f16\u7a0b\u73af\u5883<\/a>\u8fdb\u884c\u64cd\u4f5c\u3002\u8bf7\u9009\u62e9\u9002\u5408\u4f60Linux\u53d1\u884c\u7248\u7684\u7248\u672c\u3002<\/li>\n<li>\u719f\u6089\u57fa\u672c\u7684Python\u7f16\u7a0b\u548cPython\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\u3002<\/li>\n<li>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Python\u4ea4\u4e92\u5f0f\u63a7\u5236\u53f0\u3002<\/li>\n<\/ul>\n<h2>\u6b65\u9aa41 \u2014 \u5728Python\u4e2d\u8f6c\u6362Unicode\u7801\u70b9<\/h2>\n<p>\u7f16\u7801\u662f\u5c06\u6570\u636e\u8868\u793a\u4e3a\u8ba1\u7b97\u673a\u53ef\u8bfb\u5f62\u5f0f\u7684\u8fc7\u7a0b\u3002\u6709\u8bb8\u591a\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u7f16\u7801\uff0c\u5982ASCII\u3001Latin-1\u7b49\uff0c\u6bcf\u79cd\u7f16\u7801\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u4f46\u6700\u5e38\u89c1\u7684\u53ef\u80fd\u662fUTF-8\u3002\u8fd9\u662f\u4e00\u79cd\u7f16\u7801\u7c7b\u578b\uff0c\u53ef\u4ee5\u5728\u5355\u4e2a\u5b57\u7b26\u96c6\u4e2d\u8868\u793a\u6765\u81ea\u4e16\u754c\u5404\u5730\u7684\u5b57\u7b26\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u5904\u7406\u56fd\u9645\u5316\u6570\u636e\u7684\u4efb\u4f55\u4eba\u6765\u8bf4\uff0cUTF-8\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u5de5\u5177\u3002\u603b\u7684\u6765\u8bf4\uff0cUTF-8\u5bf9\u5927\u591a\u6570\u7528\u9014\u6765\u8bf4\u90fd\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\u3002\u5b83\u76f8\u5bf9\u9ad8\u6548\uff0c\u5e76\u4e14\u53ef\u4ee5\u4e0e\u5404\u79cd\u8f6f\u4ef6\u914d\u5408\u4f7f\u7528\u3002UTF-8\u5c06Unicode\u4ee3\u7801\u70b9\u8f6c\u6362\u4e3a\u8ba1\u7b97\u673a\u53ef\u4ee5\u7406\u89e3\u7684\u5341\u516d\u8fdb\u5236\u5b57\u8282\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cUnicode\u662f\u6620\u5c04\uff0c\u800cUTF-8\u4f7f\u8ba1\u7b97\u673a\u80fd\u591f\u7406\u89e3\u8be5\u6620\u5c04\u3002<\/p>\n<p>\u5728Python 3\u4e2d\uff0c\u9ed8\u8ba4\u7684\u5b57\u7b26\u4e32\u7f16\u7801\u662fUTF-8\uff0c\u8fd9\u610f\u5473\u7740Python\u5b57\u7b26\u4e32\u4e2d\u7684\u4efb\u4f55Unicode\u5b57\u7b26\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684\u5b57\u7b26\u3002<\/p>\n<p>\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528Python\u4e2d\u7684Unicode\u4ee3\u7801\u70b9\u521b\u5efa\u7248\u6743\u7b26\u53f7\uff08\u00a9\uff09\u3002\u9996\u5148\uff0c\u5728\u7ec8\u7aef\u4e2d\u542f\u52a8Python\u4ea4\u4e92\u5f0f\u63a7\u5236\u53f0\uff0c\u5e76\u952e\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> s <span class=\"token operator\">=<\/span>  <span class=\"token string\">'\\u00A9'<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> s\r\n<\/code><\/pre>\n<p>\u5728\u524d\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u60a8\u4f7f\u7528Unicode\u4ee3\u7801\u70b9<code>\\u00A9<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32<code>s<\/code>\u3002\u5982\u524d\u6240\u8ff0\uff0c\u7531\u4e8ePython\u5b57\u7b26\u4e32\u9ed8\u8ba4\u4f7f\u7528UTF-8\u7f16\u7801\uff0c\u6253\u5370<code>s<\/code>\u7684\u503c\u4f1a\u81ea\u52a8\u5c06\u5176\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684Unicode\u7b26\u53f7\u3002\u8bf7\u6ce8\u610f\uff0c\u4ee3\u7801\u70b9\u524d\u9762\u7684<code>\\u<\/code>\u662f\u5fc5\u9700\u7684\u3002\u5982\u679c\u6ca1\u6709\u5b83\uff0cPython\u5c06\u65e0\u6cd5\u8f6c\u6362\u8be5\u4ee3\u7801\u70b9\u3002\u524d\u9762\u4ee3\u7801\u7684\u8f93\u51fa\u8fd4\u56de\u76f8\u5e94\u7684Unicode\u7b26\u53f7\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>'\u00a9'\r\n<\/code><\/pre>\n<p>Python\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u4e86\u5185\u7f6e\u51fd\u6570\u6765\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\u3002<code>encode()<\/code>\u51fd\u6570\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u8981\u8bc1\u660e\u8fd9\u4e00\u70b9\uff0c\u6253\u5f00Python\u4ea4\u4e92\u63a7\u5236\u53f0\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">'?'<\/span><span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'utf-8'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u5c06\u4ea7\u751f\u4ee5\u5b57\u8282\u4e32\u5f62\u5f0f\u8f93\u51fa\u7684\u5b57\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>b'\\xf0\\x9f\\x85\\xa5'\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6bcf\u4e2a\u5b57\u8282\u524d\u9762\u90fd\u6709\u4e00\u4e2a<code>\\x<\/code>\uff0c\u8868\u793a\u5b83\u662f\u4e00\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">\u6ce8\u610f\uff1a\u5728Windows\u548cMac\u4e0a\u8f93\u5165\u7279\u6b8aUnicode\u5b57\u7b26\u7684\u65b9\u5f0f\u4e0d\u540c\u3002\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u548c\u672c\u6559\u7a0b\u4e2d\u4f7f\u7528\u7b26\u53f7\u7684\u6240\u6709\u4ee3\u7801\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Windows\u4e2d\u7684\u5b57\u7b26\u6620\u5c04\u5b9e\u7528\u7a0b\u5e8f\u63d2\u5165\u8fd9\u4e9b\u7b26\u53f7\u3002Macs\u6ca1\u6709\u8fd9\u4e2a\u529f\u80fd\uff0c\u6240\u4ee5\u4f60\u6700\u597d\u7684\u9009\u62e9\u662f\u4ece\u4ee3\u7801\u793a\u4f8b\u4e2d\u590d\u5236\u5b57\u7b26\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u4f7f\u7528<code>decode()<\/code>\u51fd\u6570\u5c06\u5b57\u8282\u5b57\u7b26\u4e32\u8f6c\u6362\u56de\u5b57\u7b26\u4e32\u3002<code>decode()<\/code>\u51fd\u6570\u63a5\u53d7\u7f16\u7801\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c<code>decode()<\/code>\u51fd\u6570\u53ea\u80fd\u89e3\u7801\u5b57\u8282\u5b57\u7b26\u4e32\uff0c\u8fd9\u53ef\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u5f00\u5934\u4f7f\u7528\u5b57\u6bcd<code>b<\/code>\u6765\u6307\u5b9a\u3002\u5982\u679c\u5220\u9664<code>b<\/code>\uff0c\u5219\u4f1a\u5bfc\u81f4<code>AttributeError<\/code>\u3002<\/p>\n<\/div>\n<p>\u5728\u4f60\u7684\u63a7\u5236\u53f0\u4e2d\u8f93\u5165\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">b'\\xf0\\x9f\\x85\\xa5'<\/span><span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'utf-8'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4ee3\u7801\u5c06\u8fd4\u56de\u8fd9\u6837\u7684\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>'?'\r\n<\/code><\/pre>\n<p>\u4f60\u73b0\u5728\u5bf9Python\u4e2dUnicode\u89e3\u91ca\u6709\u4e86\u57fa\u672c\u7684\u4e86\u89e3\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u5c06\u6df1\u5165\u5b66\u4e60Python\u5185\u7f6e\u7684<code>unicodedata<\/code>\u6a21\u5757\uff0c\u4ee5\u4fbf\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u9ad8\u7ea7\u7684Unicode\u6280\u672f\u5904\u7406\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65 \u2014 \u4f7f\u7528Python\u5bf9Unicode\u8fdb\u884c\u6807\u51c6\u5316<\/h2>\n<p>\u5728\u8fd9\u4e00\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528Python\u5bf9Unicode\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\u3002\u5f52\u4e00\u5316\u6709\u52a9\u4e8e\u786e\u5b9a\u4f7f\u7528\u4e0d\u540c\u5b57\u4f53\u4e66\u5199\u7684\u4e24\u4e2a\u5b57\u7b26\u662f\u5426\u76f8\u540c\uff0c\u5728\u4e24\u4e2a\u5177\u6709\u4e0d\u540c\u7801\u70b9\u4f46\u4ea7\u751f\u76f8\u540c\u7ed3\u679c\u7684\u5b57\u7b26\u65f6\u7279\u522b\u6709\u7528\u3002\u4f8b\u5982\uff0cUnicode\u5b57\u7b26R\u548c\u211c\u5728\u4eba\u773c\u770b\u6765\u662f\u76f8\u540c\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u90fd\u662f\u5b57\u6bcdR\uff0c\u4f46\u8ba1\u7b97\u673a\u8ba4\u4e3a\u5b83\u4eec\u662f\u4e0d\u540c\u7684\u5b57\u7b26\u3002<\/p>\n<p>\u4ee5\u4e0b\u8fd9\u4e2a\u4ee3\u7801\u793a\u4f8b\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e86\u8fd9\u4e00\u70b9\u3002\u6253\u5f00\u4f60\u7684Python\u63a7\u5236\u53f0\u5e76\u952e\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> styled_R <span class=\"token operator\">=<\/span> <span class=\"token string\">'\u211c'<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> normal_R <span class=\"token operator\">=<\/span> <span class=\"token string\">'R'<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> styled_R <span class=\"token operator\">==<\/span> normal_R\r\n<\/code><\/pre>\n<p>\u4f60\u5c06\u4f1a\u5f97\u5230\u4ee5\u4e0b\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728Python\u4e2d\u5904\u7406Unicode\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><code>False<\/code><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee3\u7801\u8f93\u51fa<code>False<\/code>\uff0c\u56e0\u4e3aPython\u5b57\u7b26\u4e32\u4e0d\u8ba4\u4e3a\u8fd9\u4e24\u4e2a\u5b57\u7b26\u662f\u76f8\u540c\u7684\u3002\u8fd9\u79cd\u533a\u5206\u80fd\u529b\u5728\u4f7f\u7528Unicode\u8fdb\u884c\u89c4\u8303\u5316\u65f6\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u5728Unicode\u4e2d\uff0c\u4e00\u4e9b\u5b57\u7b26\u662f\u7531\u4e24\u4e2a\u6216\u66f4\u591a\u5b57\u7b26\u7ec4\u5408\u800c\u6210\u7684\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u89c4\u8303\u5316\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u4fdd\u6301\u5b57\u7b26\u4e32\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\uff0c\u8bf7\u6253\u5f00\u60a8\u7684Python\u63a7\u5236\u53f0\u5e76\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">>>><\/span> s1 <span class=\"token operator\">=<\/span>  <span class=\"token string\">'h\u00f4tel'<\/span>\r\n<span class=\"token operator\">>>><\/span> s2 <span class=\"token operator\">=<\/span> <span class=\"token string\">'ho\\u0302tel'<\/span>\r\n<span class=\"token operator\">>>><\/span> <span class=\"token builtin\">len<\/span>(s1), <span class=\"token builtin\">len<\/span>(s2)\r\n<\/code><\/pre>\n<p>\u5728\u524d\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b<code>\u00f4<\/code>\u5b57\u7b26\u7684\u5b57\u7b26\u4e32<code>s1<\/code>\uff0c\u800c\u5728\u7b2c\u4e8c\u884c\uff0c\u5b57\u7b26\u4e32<code>s2<\/code>\u5305\u542b\u7740\u63d2\u5165\u7b26\u53f7\u5b57\u7b26\uff08<code>^<\/code>\uff09\u7684\u7f16\u7801\u70b9\u3002\u6267\u884c\u540e\uff0c\u4ee3\u7801\u8fd4\u56de\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><code>(5, 6)<\/code><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u524d\u9762\u7684\u8f93\u51fa\u663e\u793a\uff0c\u8fd9\u4e24\u4e2a\u5b57\u7b26\u4e32\u7531\u76f8\u540c\u7684\u5b57\u7b26\u6784\u6210\uff0c\u4f46\u957f\u5ea6\u4e0d\u540c\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u4e0d\u4f1a\u76f8\u7b49\u3002\u5728\u540c\u4e00\u4e2a\u63a7\u5236\u53f0\u4e2d\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\u4ee5\u8fdb\u884c\u6d4b\u8bd5\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">>>><\/span> s1 <span class=\"token operator\">==<\/span> s2\r\n<\/code><\/pre>\n<p>\u8be5\u4ee3\u7801\u8fd4\u56de\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><code>False<\/code><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u5c3d\u7ba1\u5b57\u7b26\u4e32\u53d8\u91cf<code>s1<\/code>\u548c<code>s2<\/code>\u4ea7\u751f\u76f8\u540c\u7684Unicode\u5b57\u7b26\uff0c\u4f46\u662f\u5b83\u4eec\u7684\u957f\u5ea6\u4e0d\u540c\uff0c\u56e0\u6b64\u5b83\u4eec\u5e76\u4e0d\u76f8\u7b49\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>normalize()<\/code>\u51fd\u6570\u6765\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8fd9\u5c06\u662f\u60a8\u63a5\u4e0b\u6765\u8981\u505a\u7684\u6b65\u9aa4\u3002<\/p>\n<h2>\u7b2c\u4e09\u6b65 &#8211; \u4f7f\u7528NFD\u3001NFC\u3001NFKD\u548cNFKC\u5bf9Unicode\u8fdb\u884c\u89c4\u8303\u5316<\/h2>\n<p>\u5728\u8fd9\u4e00\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528Python\u7684<code>unicodedata<\/code>\u5e93\u4e2d\u7684<code>normalize()<\/code>\u51fd\u6570\u5bf9Unicode\u5b57\u7b26\u4e32\u8fdb\u884c\u6807\u51c6\u5316\uff0c\u8be5\u5e93\u5728<code>unicodedata<\/code>\u6a21\u5757\u4e2d\u63d0\u4f9b\u4e86\u5b57\u7b26\u67e5\u627e\u548c\u6807\u51c6\u5316\u7684\u529f\u80fd\u3002<code>normalize()<\/code>\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u6807\u51c6\u5316\u5f62\u5f0f\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8981\u8fdb\u884c\u6807\u51c6\u5316\u7684\u5b57\u7b26\u4e32\u3002Unicode\u6709\u56db\u79cd\u6807\u51c6\u5316\u5f62\u5f0f\u53ef\u4f9b\u9009\u62e9\uff1aNFD\u3001NFC\u3001NFKD\u548cNFKC\u3002<\/p>\n<p>\u4f7f\u7528NFD\u89c4\u8303\u5c06\u4e00\u4e2a\u5b57\u7b26\u62c6\u5206\u4e3a\u591a\u4e2a\u7ec4\u5408\u5b57\u7b26\u3002\u8fd9\u6837\u53ef\u4ee5\u4f7f\u60a8\u7684\u6587\u672c\u5bf9\u91cd\u97f3\u4e0d\u654f\u611f\uff0c\u5728\u641c\u7d22\u548c\u6392\u5e8f\u65f6\u975e\u5e38\u6709\u7528\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>\u6253\u5f00\u60a8\u7684\u63a7\u5236\u53f0\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">from<\/span> unicodedata <span class=\"token keyword\">import<\/span> normalize\r\n<span class=\"token operator\">>>><\/span> s1 <span class=\"token operator\">=<\/span>  <span class=\"token string\">'h\u00f4tel'<\/span>\r\n<span class=\"token operator\">>>><\/span> s2 <span class=\"token operator\">=<\/span> <span class=\"token string\">'ho\\u0302tel'<\/span>\r\n<span class=\"token operator\">>>><\/span> s1_nfd <span class=\"token operator\">=<\/span> normalize(<span class=\"token string\">'NFD'<\/span>, s1)\r\n<span class=\"token operator\">>>><\/span> <span class=\"token builtin\">len<\/span>(s1), <span class=\"token builtin\">len<\/span>(s1_nfd)\r\n<\/code><\/pre>\n<p>\u8be5\u4ee3\u7801\u751f\u6210\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><code>(5, 6)<\/code><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u6b63\u5982\u793a\u4f8b\u6240\u793a\uff0c\u5c06\u5b57\u7b26\u4e32<code>s1<\/code>\u8fdb\u884c\u89c4\u8303\u5316\u4f1a\u4f7f\u5176\u957f\u5ea6\u589e\u52a0\u4e00\u4e2a\u5b57\u7b26\u3002\u8fd9\u662f\u56e0\u4e3a<code>\u00f4<\/code>\u7b26\u53f7\u88ab\u62c6\u5206\u4e3a\u4e24\u4e2a\u5b57\u7b26<code>o<\/code>\u548c<code>\u02c6<\/code>\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u8fdb\u884c\u786e\u8ba4\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">>>><\/span> s1.encode(), s1_nfd.encode()\r\n<\/code><\/pre>\n<p>\u7ecf\u8fc7\u7f16\u7801\u89c4\u8303\u5316\u5b57\u7b26\u4e32\u540e\u7684\u7ed3\u679c\u663e\u793a\uff0c\u5b57\u7b26<code>o<\/code>\u88ab\u4ece\u5b57\u7b26\u4e32<code>s1_nfd<\/code>\u7684\u5b57\u7b26<code>\u02c6<\/code>\u5206\u79bb\u51fa\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728Python\u4e2d\u5904\u7406Unicode\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>(b'h\\xc3\\xb4tel', b'ho\\xcc\\x82tel')<\/code><\/pre>\n<p>NFC\u6807\u51c6\u5316\u5f62\u5f0f\u9996\u5148\u5c06\u5b57\u7b26\u8fdb\u884c\u5206\u89e3\uff0c\u7136\u540e\u4f7f\u7528\u4efb\u4f55\u53ef\u7528\u7684\u7ec4\u5408\u5b57\u7b26\u8fdb\u884c\u91cd\u65b0\u7ec4\u5408\u3002\u7531\u4e8eNFC\u5c06\u5b57\u7b26\u4e32\u7ec4\u5408\u4e3a\u53ef\u80fd\u6700\u77ed\u7684\u8f93\u51fa\u5f62\u5f0f\uff0cW3C\u5efa\u8bae\u5728\u7f51\u7edc\u4e0a\u4f7f\u7528NFC\u3002\u952e\u76d8\u8f93\u5165\u9ed8\u8ba4\u8fd4\u56de\u7ec4\u5408\u5b57\u7b26\u4e32\uff0c\u56e0\u6b64\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f7f\u7528NFC\u662f\u4e00\u4e2a\u597d\u4e3b\u610f\u3002<\/p>\n<p>\u4e3e\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8f93\u5165\u5230\u4f60\u7684\u4ea4\u4e92\u5f0f\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">from<\/span> unicodedata <span class=\"token keyword\">import<\/span> normalize\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> s2_nfc <span class=\"token operator\">=<\/span> normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFC'<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>s2_nfc<span class=\"token punctuation\">)<\/span><\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u7684\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b:<\/p>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>(6, 5)<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5c06\u5b57\u7b26\u4e32<code>s2<\/code>\u89c4\u8303\u5316\u4f1a\u4f7f\u5176\u957f\u5ea6\u51cf\u5c11\u4e00\u4e2a\u5b57\u7b26\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u4ea4\u4e92\u5f0f\u63a7\u5236\u53f0\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\u6765\u786e\u8ba4\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> s2<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s2_nfc<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/code><\/pre>\n<p>\u4ee3\u7801\u7684\u8f93\u51fa\u662f\uff1a<\/p>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>(b'ho\\xcc\\x82tel', b'h\\xc3\\xb4tel')<\/code><\/pre>\n<p>\u7ed3\u679c\u663e\u793a\uff0c\u5b57\u7b26\u201co\u201d\u548c\u201c\u02c6\u201d\u5408\u5e76\u6210\u4e86\u4e00\u4e2a\u201c\u00f4\u201d\u5b57\u7b26\u3002<\/p>\n<p>NFKD\u548cNFKC\u89c4\u8303\u5f62\u5f0f\u7528\u4e8e\u201c\u4e25\u683c\u201d\u5f52\u4e00\u5316\uff0c\u5e76\u53ef\u7528\u4e8e\u4e0eUnicode\u5b57\u7b26\u4e32\u7684\u641c\u7d22\u548c\u6a21\u5f0f\u5339\u914d\u76f8\u5173\u7684\u5404\u79cd\u95ee\u9898\u3002NFKD\u548cNFKC\u4e2d\u7684\u201cK\u201d\u4ee3\u8868\u517c\u5bb9\u6027\u3002<\/p>\n<p>NFD\u548cNFC\u6807\u51c6\u5316\u5f62\u5f0f\u5bf9\u5b57\u7b26\u8fdb\u884c\u5206\u89e3\uff0c\u800cNFKD\u548cNFKC\u5bf9\u4e0d\u76f8\u4f3c\u4f46\u7b49\u4ef7\u7684\u5b57\u7b26\u8fdb\u884c\u517c\u5bb9\u6027\u5206\u89e3\uff0c\u53bb\u9664\u4efb\u4f55\u683c\u5f0f\u4e0a\u7684\u533a\u522b\u3002\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32<code>\u2461\u2460<\/code>\u4e0e<code>21<\/code>\u4e0d\u76f8\u4f3c\uff0c\u4f46\u5b83\u4eec\u90fd\u4ee3\u8868\u540c\u6837\u7684\u503c\u3002NFKC\u548cNFKD\u6807\u51c6\u5316\u5f62\u5f0f\u53bb\u9664\u4e86\u5b57\u7b26\u4e2d\u7684\u683c\u5f0f\uff08\u5728\u672c\u4f8b\u4e2d\u662f\u6570\u5b57\u5468\u56f4\u7684\u5706\u5708\uff09\uff0c\u4ee5\u63d0\u4f9b\u6700\u7b80\u5316\u7684\u5f62\u5f0f\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86NFD\u548cNFKD\u89c4\u8303\u5316\u5f62\u5f0f\u4e4b\u95f4\u7684\u533a\u522b\u3002\u6253\u5f00\u4f60\u7684Python\u4ea4\u4e92\u63a7\u5236\u53f0\u5e76\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> s1 <span class=\"token operator\">=<\/span> <span class=\"token string\">'2\u2075\u00f4'<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">from<\/span> unicodedata <span class=\"token keyword\">import<\/span> normalize\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFD'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFKD'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><\/code><\/pre>\n<p>\u4f60\u5c06\u83b7\u5f97\u4ee5\u4e0b\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>(<span class=\"token string\">'2\u2075\u00f4'<\/span>, <span class=\"token string\">'25\u00f4'<\/span>)<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u663e\u793aNFD\u5f62\u5f0f\u65e0\u6cd5\u5206\u89e3\u5b57\u7b26\u4e32<code>s1<\/code>\u4e2d\u7684\u6307\u6570\u5b57\u7b26\uff0c\u4f46NFKD\u53bb\u9664\u4e86\u6307\u6570\u683c\u5f0f\u5e76\u66ff\u6362\u4e86\u517c\u5bb9\u5b57\u7b26\uff08\u5728\u672c\u4f8b\u4e2d\u662f\u6307\u65705\uff09\u4e3a\u5176\u7b49\u4ef7\u7684\u6570\u5b575\u3002\u8bf7\u8bb0\u4f4f\uff0cNFD\u548cNFKD\u89c4\u8303\u5316\u5f62\u5f0f\u4ecd\u5728\u5206\u89e3\u5b57\u7b26\uff0c\u6240\u4ee5\u50cf\u524d\u9762NFD\u793a\u4f8b\u4e2d\u6240\u770b\u5230\u7684\uff0c<code>\u00f4<\/code>\u5b57\u7b26\u7684\u957f\u5ea6\u5e94\u589e\u52a01\u4e2a\u3002\u60a8\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\u6765\u786e\u8ba4\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFD'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFKD'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/code><\/pre>\n<p>\u4ee3\u7801\u4f1a\u8fd4\u56de\u4ee5\u4e0b\u5185\u5bb9:<\/p>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728Python\u4e2d\u5904\u7406Unicode\u300b\u7684\u7b2c4\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>NFKC\u89c4\u8303\u5316\u5f62\u5f0f\u7684\u5de5\u4f5c\u65b9\u5f0f\u7c7b\u4f3c\uff0c\u4f46\u662f\u5b83\u5408\u5e76\u5b57\u7b26\u800c\u4e0d\u662f\u5206\u89e3\u5b57\u7b26\u3002\u5728\u76f8\u540c\u7684Python\u63a7\u5236\u53f0\u4e2d\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFC'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFKC'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4ee3\u7801\u8fd4\u56de\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>('2\u2075\u00f4', '25\u00f4')\r\n<\/code><\/pre>\n<p>\u7531\u4e8eNFKC\u9075\u5faa\u7ec4\u5408\u65b9\u6cd5\uff0c\u6240\u4ee5\u60a8\u5e94\u8be5\u9884\u671f\u5728\u5206\u89e3\u7684\u60c5\u51b5\u4e0b\uff0c\u00f8\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u5c06\u7f29\u77ed\u4e00\u4e2a\u5b57\u7b26\uff0c\u800c\u4e0d\u662f\u589e\u52a0\u4e00\u4e2a\u5b57\u7b26\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\u884c\u6765\u786e\u8ba4\u8fd9\u4e00\u70b9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFC'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>normalize<span class=\"token punctuation\">(<\/span><span class=\"token string\">'NFKC'<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u5c06\u8fd4\u56de\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>(3, 3)\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u6267\u884c\u524d\u9762\u7684\u6b65\u9aa4\uff0c\u60a8\u5c06\u5bf9\u89c4\u8303\u5316\u5f62\u5f0f\u53ca\u5176\u4e4b\u95f4\u7684\u5dee\u5f02\u6709\u4e86\u5b9e\u9645\u64cd\u4f5c\u7684\u4e86\u89e3\u3002\u5728\u4e0b\u4e00\u6b65\u4e2d\uff0c\u60a8\u5c06\u89e3\u51b3Python\u4e2d\u7684Unicode\u9519\u8bef\u3002<\/p>\n<h2>\u6b65\u9aa44 &#8211; \u89e3\u51b3Python\u4e2d\u7684Unicode\u9519\u8bef<\/h2>\n<p>\u5728\u5904\u7406Python\u4e2d\u7684Unicode\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e24\u79cd\u7c7b\u578b\u7684Unicode\u9519\u8bef\uff0c\u5373<code>UnicodeEncodeError<\/code>\u548c<code>UnicodeDecodeError<\/code>\u3002\u867d\u7136\u8fd9\u4e9bUnicode\u9519\u8bef\u53ef\u80fd\u4f1a\u4ee4\u4eba\u56f0\u60d1\uff0c\u4f46\u662f\u5b83\u4eec\u662f\u53ef\u4ee5\u89e3\u51b3\u7684\uff0c\u60a8\u5c06\u5728\u6b64\u6b65\u9aa4\u4e2d\u4fee\u590d\u8fd9\u4e24\u4e2a\u9519\u8bef\u3002<\/p>\n<h3>\u89e3\u51b3UnicodeEncodeError\u95ee\u9898<\/h3>\n<p>\u4f7f\u7528Unicode\u8fdb\u884c\u7f16\u7801\u662f\u5c06Unicode\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u7279\u5b9a\u7f16\u7801\u7684\u5b57\u8282\u7684\u8fc7\u7a0b\u3002\u5f53\u5c1d\u8bd5\u5bf9\u5305\u542b\u65e0\u6cd5\u5728\u6307\u5b9a\u7f16\u7801\u4e2d\u8868\u793a\u7684\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u7f16\u7801\u65f6\uff0c\u4f1a\u51fa\u73b0<code>UnicodeEncodeError<\/code>\u3002<\/p>\n<p>\u4e3a\u4e86\u521b\u5efa\u8fd9\u4e2a\u9519\u8bef\uff0c\u60a8\u9700\u8981\u7f16\u7801\u4e00\u4e2a\u5305\u542b\u4e0d\u5c5e\u4e8eASCII\u5b57\u7b26\u96c6\u7684\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u6253\u5f00\u60a8\u7684\u63a7\u5236\u53f0\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9:<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> ascii_supported <span class=\"token operator\">=<\/span> <span class=\"token string\">'\\u0041'<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> ascii_supported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'ascii'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u60a8\u7684\u8f93\u51fa:<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>b'A'\r\n<\/code><\/pre>\n<p>\u63a5\u7740\uff0c\u8bf7\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> ascii_unsupported <span class=\"token operator\">=<\/span> <span class=\"token string\">'\\ufb06'<\/span>\r\n<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> ascii_unsupported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'utf-8'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u83b7\u5f97\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>b'\\xef\\xac\\x86'\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u8bf7\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span> ascii_unsupported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'ascii'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u4f60\u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\u65f6\uff0c\u7136\u800c\uff0c\u4f60\u4f1a\u5f97\u5230\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728Python\u4e2d\u5904\u7406Unicode\u300b\u7684\u7b2c5\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Traceback (most recent call last):<\/p>\n<p>File &#8220;&lt;stdin&gt;&#8221;, line 1, in &lt;module&gt;<\/p>\n<p>UnicodeEncodeError: &#8216;ascii&#8217; codec can&#8217;t encode character &#8216;\\ufb06&#8217; in position 0: ordinal not in range(128)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>ASCII\u5b57\u7b26\u96c6\u662f\u6709\u9650\u7684\uff0c\u5f53Python\u9047\u5230ASCII\u5b57\u7b26\u96c6\u4e2d\u4e0d\u5b58\u5728\u7684\u5b57\u7b26\u65f6\uff0c\u4f1a\u629b\u51fa\u9519\u8bef\u3002\u7531\u4e8eASCII\u5b57\u7b26\u96c6\u65e0\u6cd5\u8bc6\u522b\u4ee3\u7801\u70b9<code>\\ufb06<\/code>\uff0cPython\u4f1a\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\uff0c\u6307\u51faASCII\u53ea\u6709128\u4e2a\u5b57\u7b26\uff0c\u800c\u8be5\u4ee3\u7801\u70b9\u7684\u5341\u8fdb\u5236\u7b49\u6548\u503c\u4e0d\u5728\u8be5\u8303\u56f4\u5185\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u5728\u7f16\u7801\u51fd\u6570<code>encode()<\/code>\u4e2d\u4f7f\u7528<code>errors<\/code>\u53c2\u6570\u6765\u5904\u7406<code>UnicodeEncodeError<\/code>\u3002<code>errors<\/code>\u53c2\u6570\u6709\u4e09\u4e2a\u53ef\u9009\u503c\uff1a<code>ignore<\/code>\u3001<code>replace<\/code>\u548c<code>xmlcharrefreplace<\/code>\u3002<\/p>\n<p>\u6253\u5f00\u4f60\u7684\u63a7\u5236\u53f0\uff0c\u5e76\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;&gt;<\/span> ascii_unsupported <span class=\"token operator\">=<\/span> <span class=\"token string\">'\\ufb06'<\/span>\r\n<span class=\"token operator\">&gt;&gt;&gt;<\/span> ascii_unsupported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'ascii'<\/span><span class=\"token punctuation\">,<\/span> errors<span class=\"token operator\">=<\/span><span class=\"token string\">'ignore'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4f60\u5c06\u4f1a\u5f97\u5230\u4ee5\u4e0b\u7684\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>b''<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u8bf7\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;&gt;<\/span> ascii_unsupported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'ascii'<\/span><span class=\"token punctuation\">,<\/span> errors<span class=\"token operator\">=<\/span><span class=\"token string\">'replace'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u5c06\u4f1a\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>b'?'<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6700\u540e\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8f93\u5165\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;&gt;<\/span> ascii_unsupported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'ascii'<\/span><span class=\"token punctuation\">,<\/span> errors<span class=\"token operator\">=<\/span><span class=\"token string\">'xmlcharrefreplace'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>b'&amp;#64262;'<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u6bcf\u79cd\u60c5\u51b5\u4e0b\uff0cPython\u90fd\u4e0d\u4f1a\u629b\u51fa\u9519\u8bef\u3002<\/p>\n<p>\u5982\u524d\u9762\u7684\u4f8b\u5b50\u6240\u793a\uff0c<code>ignore<\/code>\u4f1a\u8df3\u8fc7\u4e0d\u80fd\u7f16\u7801\u7684\u5b57\u7b26\uff0c<code>replace<\/code>\u4f1a\u7528\u95ee\u53f7\u4ee3\u66ff\u5b57\u7b26\uff0c\u800c<code>xmlcharrefreplace<\/code>\u5219\u4f7f\u7528XML\u5b9e\u4f53\u66ff\u6362\u65e0\u6cd5\u7f16\u7801\u7684\u5b57\u7b26\u3002<\/p>\n<h3>\u89e3\u51b3UnicodeDecodeError\u7684\u65b9\u6cd5<\/h3>\n<p>\u5f53\u5c1d\u8bd5\u89e3\u7801\u4e00\u4e2a\u5305\u542b\u65e0\u6cd5\u5728\u6307\u5b9a\u7f16\u7801\u4e2d\u8868\u793a\u7684\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u4f1a\u51fa\u73b0<code>UnicodeDecodeError<\/code>\u3002<\/p>\n<p>\u8981\u521b\u5efa\u8fd9\u4e2a\u9519\u8bef\uff0c\u4f60\u5c06\u5c1d\u8bd5\u5c06\u5b57\u8282\u5b57\u7b26\u4e32\u89e3\u7801\u4e3a\u65e0\u6cd5\u89e3\u7801\u7684\u7f16\u7801\u3002<\/p>\n<p>\u6253\u5f00\u4f60\u7684\u63a7\u5236\u53f0\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;&gt;&gt;<\/span> iso_supported <span class=\"token operator\">=<\/span> <span class=\"token string\">'\u00a7'<\/span>\r\n<span class=\"token operator\">&gt;&gt;&gt;<\/span> b <span class=\"token operator\">=<\/span> iso_supported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'iso8859_1'<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">&gt;&gt;&gt;<\/span> b<span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'utf-8'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4f60\u5c06\u6536\u5230\u4ee5\u4e0b\u9519\u8bef\u4fe1\u606f\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Traceback (most recent call last):<br \/>\n  File &#8220;&lt;stdin&gt;&#8221;, line 1, in &lt;module&gt;<br \/>\nUnicodeDecodeError: &#8216;utf-8&#8217; codec can&#8217;t decode byte 0xa7 in position 0: invalid start byte<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5982\u679c\u60a8\u9047\u5230\u6b64\u9519\u8bef\uff0c\u53ef\u4ee5\u5728 `decode()` \u51fd\u6570\u4e2d\u4f7f\u7528 `errors` \u53c2\u6570\u6765\u5e2e\u52a9\u60a8\u89e3\u7801\u5b57\u7b26\u4e32\u3002`errors` \u53c2\u6570\u53ef\u4ee5\u63a5\u53d7\u4e24\u4e2a\u503c\uff1a`ignore` \u548c `replace`\u3002<\/p>\n<p>\u4e3a\u4e86\u8bc1\u660e\u8fd9\u4e00\u70b9\uff0c\u8bf7\u6253\u5f00\u60a8\u7684 Python \u63a7\u5236\u53f0\u5e76\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">>>><\/span> iso_supported <span class=\"token operator\">=<\/span> <span class=\"token string\">'\u00a7A'<\/span>\r\n<span class=\"token operator\">>>><\/span> b <span class=\"token operator\">=<\/span> iso_supported<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'iso8859_1'<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">>>><\/span> b<span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'utf-8'<\/span><span class=\"token punctuation\">,<\/span> errors<span class=\"token operator\">=<\/span><span class=\"token string\">'replace'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u7684\u8f93\u51fa\u5c06\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>'A'<\/code><\/pre>\n<p>\u8bf7\u968f\u540e\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">>>><\/span> b<span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token string\">'utf-8'<\/span><span class=\"token punctuation\">,<\/span> errors<span class=\"token operator\">=<\/span><span class=\"token string\">'ignore'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>'A'<\/code><\/pre>\n<p>\u5728\u524d\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 `decode()` \u51fd\u6570\u4e2d\u7684 `replace` \u503c\u4f1a\u6dfb\u52a0\u4e00\u4e2a &#8220; \u5b57\u7b26\uff0c\u800c\u4f7f\u7528 `ignore` \u5219\u4f1a\u5728\u89e3\u7801\u5668\uff08\u672c\u4f8b\u4e2d\u662f `utf-8`\uff09\u65e0\u6cd5\u89e3\u7801\u5b57\u8282\u65f6\u8fd4\u56de\u7a7a\u503c\u3002<\/p>\n<p>\u5728\u89e3\u7801\u4efb\u4f55\u5b57\u7b26\u4e32\u65f6\uff0c\u8bf7\u6ce8\u610f\u4e0d\u80fd\u5047\u8bbe\u5176\u7f16\u7801\u65b9\u5f0f\u3002\u8981\u6b63\u786e\u89e3\u7801\u4efb\u4f55\u5b57\u7b26\u4e32\uff0c\u60a8\u5fc5\u987b\u77e5\u9053\u5b83\u662f\u5982\u4f55\u7f16\u7801\u7684\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5728 Python \u4e2d\u4f7f\u7528 Unicode \u7684\u57fa\u7840\u77e5\u8bc6\u3002\u60a8\u53ef\u4ee5\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\u64cd\u4f5c\uff0c\u4f7f\u7528 NFD\u3001NFC\u3001NFKD \u548c NFKC \u6765\u89c4\u8303\u5316\u6570\u636e\uff0c\u5e76\u89e3\u51b3 Unicode \u9519\u8bef\u3002\u60a8\u8fd8\u53ef\u4ee5\u5728\u6392\u5e8f\u548c\u641c\u7d22\u573a\u666f\u4e2d\u4f7f\u7528\u89c4\u8303\u5316\u5f62\u5f0f\u3002\u8fd9\u4e9b\u6280\u672f\u5c06\u5e2e\u52a9\u60a8\u4f7f\u7528 Python \u5904\u7406 Unicode \u95ee\u9898\u3002\u4f5c\u4e3a\u4e0b\u4e00\u6b65\uff0c\u60a8\u53ef\u4ee5\u9605\u8bfb `unicodedata` \u6a21\u5757\u7684\u6587\u6863\uff0c\u4e86\u89e3\u8be5\u6a21\u5757\u63d0\u4f9b\u7684\u5176\u4ed6\u529f\u80fd\u3002\u8981\u7ee7\u7eed\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Python \u8fdb\u884c\u7f16\u7a0b\uff0c\u8bf7\u9605\u8bfb\u6211\u4eec\u7684\u6559\u7a0b\u7cfb\u5217\u300a\u5982\u4f55\u5728 Python 3 \u4e2d\u7f16\u7801\u300b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb Unicode\u662f\u5168\u7403\u5927\u591a\u6570\u8ba1\u7b97\u673a\u7684\u6807\u51c6\u5b57\u7b26\u7f16\u7801\u3002\u5b83\u786e\u4fdd\u6587\u672c\uff08\u5305\u62ec\u5b57\u6bcd\u3001\u7b26\u53f7\u3001\u8868\u60c5\u7b26\u53f7\u548c\u63a7\u5236\u5b57\u7b26\uff09\u5728\u4e0d\u540c\u8bbe [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[32,797,799,800,798],"class_list":["post-202","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-python","tag-unicode","tag-799","tag-800","tag-798"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python Unicode\u5904\u7406\u6307\u5357\uff1a\u89e3\u51b3\u4e71\u7801\u4e0e\u7f16\u7801\u96be\u9898 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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