{"id":926237,"date":"2024-12-26T15:47:37","date_gmt":"2024-12-26T07:47:37","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/926237.html"},"modified":"2024-12-26T15:47:39","modified_gmt":"2024-12-26T07:47:39","slug":"python%e5%a6%82%e4%bd%95encode","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/926237.html","title":{"rendered":"python\u5982\u4f55encode"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25062932\/bca220d2-f168-4b59-a793-a93f68f518ad.webp\" alt=\"python\u5982\u4f55encode\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u7f16\u7801\uff08encode\uff09\u5b57\u7b26\u4e32\u7684\u5e38\u89c1\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u7684<code>encode()<\/code>\u65b9\u6cd5\u3001\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f\u5982UTF-8\u3001\u5904\u7406\u7f16\u7801\u9519\u8bef\u3002<\/strong>\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u8fdb\u884c\u5b57\u7b26\u4e32\u7f16\u7801\u4ee5\u53ca\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001PYTHON\u5b57\u7b26\u4e32\u7f16\u7801\u57fa\u7840<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u7684<code>encode()<\/code>\u65b9\u6cd5\u8fdb\u884c\u7f16\u7801\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPython 3\u7684\u5b57\u7b26\u4e32\u662f\u4ee5Unicode\u5b58\u50a8\u7684\uff0c\u800c\u901a\u8fc7<code>encode()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\u3002\u5e38\u89c1\u7684\u7f16\u7801\u683c\u5f0f\u6709UTF-8\u3001ASCII\u3001Latin-1\u7b49\u3002<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528<code>encode()<\/code>\u65b9\u6cd5<\/li>\n<\/ol>\n<p><p>Python\u7684<code>encode()<\/code>\u65b9\u6cd5\u80fd\u591f\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6307\u5b9a\u7f16\u7801\u7684\u5b57\u8282\u6d41\u3002\u5176\u57fa\u672c\u8bed\u6cd5\u4e3a\uff1a<code>str.encode(encoding=&#39;utf-8&#39;, errors=&#39;strict&#39;)<\/code>\u3002\u5176\u4e2d\uff0c<code>encoding<\/code>\u53c2\u6570\u6307\u5b9a\u7f16\u7801\u683c\u5f0f\uff0c<code>errors<\/code>\u53c2\u6570\u5904\u7406\u7f16\u7801\u9519\u8bef\u7684\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b<\/p>\n<p>text = &quot;Python\u7f16\u7801\u793a\u4f8b&quot;<\/p>\n<p>encoded_text = text.encode(&#39;utf-8&#39;)<\/p>\n<p>print(encoded_text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u7f16\u7801\u683c\u5f0f\u9009\u62e9<\/li>\n<\/ol>\n<p><p>\u5728\u9009\u62e9\u7f16\u7801\u683c\u5f0f\u65f6\uff0cUTF-8\u662f\u6700\u5e38\u7528\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u517c\u5bb9ASCII\u4e14\u80fd\u591f\u8868\u793a\u4efb\u4f55Unicode\u5b57\u7b26\u3002\u5bf9\u4e8e\u4e3b\u8981\u5904\u7406\u82f1\u6587\u5b57\u7b26\u7684\u5e94\u7528\uff0cASCII\u7f16\u7801\u4e5f\u53ef\u4ee5\u8003\u8651\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u5904\u7406\u7f16\u7801\u9519\u8bef<\/p>\n<\/p>\n<p><p>\u5728\u8fdb\u884c\u5b57\u7b26\u4e32\u7f16\u7801\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u65e0\u6cd5\u7f16\u7801\u7684\u5b57\u7b26\uff0c\u8fd9\u65f6<code>errors<\/code>\u53c2\u6570\u5c31\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u5e38\u89c1\u7684\u5904\u7406\u65b9\u5f0f\u6709\uff1a<\/p>\n<\/p>\n<ol>\n<li><code>strict<\/code>\uff1a\u9ed8\u8ba4\u503c\uff0c\u4f1a\u5f15\u53d1UnicodeEncodeError\u3002<\/li>\n<li><code>ignore<\/code>\uff1a\u5ffd\u7565\u65e0\u6cd5\u7f16\u7801\u7684\u5b57\u7b26\u3002<\/li>\n<li><code>replace<\/code>\uff1a\u7528\u66ff\u4ee3\u5b57\u7b26\uff08\u901a\u5e38\u662f<code>?<\/code>\uff09\u66ff\u6362\u65e0\u6cd5\u7f16\u7801\u7684\u5b57\u7b26\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b<\/p>\n<p>text = &quot;Python\u7f16\u7801\u793a\u4f8b&quot;<\/p>\n<p>try:<\/p>\n<p>    encoded_text = text.encode(&#39;ascii&#39;, errors=&#39;strict&#39;)<\/p>\n<p>except UnicodeEncodeError as e:<\/p>\n<p>    print(&quot;Error:&quot;, e)<\/p>\n<p>encoded_text_ignore = text.encode(&#39;ascii&#39;, errors=&#39;ignore&#39;)<\/p>\n<p>encoded_text_replace = text.encode(&#39;ascii&#39;, errors=&#39;replace&#39;)<\/p>\n<p>print(encoded_text_ignore)<\/p>\n<p>print(encoded_text_replace)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u89e3\u7801\u5b57\u8282\u6d41<\/p>\n<\/p>\n<p><p>\u7f16\u7801\u540e\u7684\u5b57\u8282\u6d41\u53ef\u4ee5\u901a\u8fc7<code>decode()<\/code>\u65b9\u6cd5\u8f6c\u6362\u56de\u5b57\u7b26\u4e32\u3002\u5fc5\u987b\u4f7f\u7528\u4e0e\u7f16\u7801\u65f6\u76f8\u540c\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u5426\u5219\u53ef\u80fd\u5bfc\u81f4\u89e3\u7801\u9519\u8bef\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b<\/p>\n<p>encoded_text = text.encode(&#39;utf-8&#39;)<\/p>\n<p>decoded_text = encoded_text.decode(&#39;utf-8&#39;)<\/p>\n<p>print(decoded_text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<ol>\n<li>\u6570\u636e\u4f20\u8f93\u4e0e\u5b58\u50a8<\/li>\n<\/ol>\n<p><p>\u5728\u7f51\u7edc\u4f20\u8f93\u548c\u6587\u4ef6\u5b58\u50a8\u4e2d\uff0c\u6570\u636e\u901a\u5e38\u4ee5\u5b57\u8282\u6d41\u5f62\u5f0f\u5b58\u5728\uff0c\u7f16\u7801\u548c\u89e3\u7801\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u517c\u5bb9\u6027\u548c\u5b58\u50a8\u6548\u7387\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u591a\u8bed\u8a00\u652f\u6301<\/li>\n<\/ol>\n<p><p>\u5bf9\u4e8e\u9700\u8981\u652f\u6301\u591a\u8bed\u8a00\u7684\u5e94\u7528\uff0cUTF-8\u7f16\u7801\u662f\u6700\u4f73\u9009\u62e9\uff0c\u5b83\u80fd\u591f\u8868\u793a\u4e16\u754c\u4e0a\u51e0\u4e4e\u6240\u6709\u7684\u6587\u5b57\u5b57\u7b26\u3002\u540c\u65f6\uff0c\u5f00\u53d1\u8005\u9700\u8981\u6ce8\u610f\u4e0d\u540c\u5b57\u7b26\u96c6\u4e4b\u95f4\u7684\u8f6c\u6362\u95ee\u9898\uff0c\u4ee5\u907f\u514d\u6570\u636e\u4e22\u5931\u6216\u9519\u8bef\u663e\u793a\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li>\u6027\u80fd\u8003\u8651<\/li>\n<\/ol>\n<p><p>\u5728\u5904\u7406\u5927\u91cf\u6587\u672c\u6570\u636e\u65f6\uff0c\u7f16\u7801\u548c\u89e3\u7801\u64cd\u4f5c\u53ef\u80fd\u4f1a\u5f71\u54cd\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u7f16\u7801\u683c\u5f0f\u65f6\u9700\u8981\u5e73\u8861\u5b57\u7b26\u96c6\u7684\u4e30\u5bcc\u6027\u548c\u6027\u80fd\u8981\u6c42\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001Python\u7248\u672c\u5dee\u5f02<\/p>\n<\/p>\n<p><p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cPython 2\u548cPython 3\u5728\u5b57\u7b26\u4e32\u5904\u7406\u4e0a\u7684\u533a\u522b\u8f83\u5927\u3002\u5728Python 2\u4e2d\uff0c<code>str<\/code>\u662f\u5b57\u8282\u4e32\uff0c\u800c<code>unicode<\/code>\u662fUnicode\u5b57\u7b26\u4e32\uff1b\u5728Python 3\u4e2d\uff0c<code>str<\/code>\u662fUnicode\u5b57\u7b26\u4e32\uff0c\u800c<code>bytes<\/code>\u662f\u5b57\u8282\u4e32\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u8005\u5728\u5904\u7406\u7f16\u7801\u95ee\u9898\u65f6\u9700\u8981\u6839\u636e\u6240\u4f7f\u7528\u7684Python\u7248\u672c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u89e3\u51b3\u65b9\u6848<\/p>\n<\/p>\n<ol>\n<li>UnicodeEncodeError<\/li>\n<\/ol>\n<p><p>\u901a\u5e38\u662f\u7531\u4e8e\u8bd5\u56fe\u5c06Unicode\u5b57\u7b26\u7f16\u7801\u4e3a\u4e0d\u652f\u6301\u7684\u7f16\u7801\u683c\u5f0f\u5f15\u8d77\u7684\u3002\u89e3\u51b3\u65b9\u6848\u5305\u62ec\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u6216\u4f7f\u7528<code>errors<\/code>\u53c2\u6570\u6765\u5904\u7406\u65e0\u6cd5\u7f16\u7801\u7684\u5b57\u7b26\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>UnicodeDecodeError<\/li>\n<\/ol>\n<p><p>\u901a\u5e38\u662f\u7531\u4e8e\u4f7f\u7528\u9519\u8bef\u7684\u7f16\u7801\u683c\u5f0f\u89e3\u7801\u5b57\u8282\u6d41\u5f15\u8d77\u7684\u3002\u89e3\u51b3\u65b9\u6848\u662f\u786e\u4fdd\u7f16\u7801\u548c\u89e3\u7801\u4f7f\u7528\u76f8\u540c\u7684\u7f16\u7801\u683c\u5f0f\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li>TypeError<\/li>\n<\/ol>\n<p><p>\u5728Python 3\u4e2d\uff0c\u8bd5\u56fe\u76f4\u63a5\u5bf9<code>str<\/code>\u5bf9\u8c61\u8c03\u7528<code>decode()<\/code>\u65b9\u6cd5\u4f1a\u5f15\u53d1TypeError\uff0c\u56e0\u4e3a<code>str<\/code>\u5bf9\u8c61\u5df2\u7ecf\u662fUnicode\u5b57\u7b26\u4e32\u3002\u89e3\u51b3\u65b9\u6848\u662f\u786e\u4fdd\u5bf9<code>bytes<\/code>\u5bf9\u8c61\u8c03\u7528<code>decode()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u7f16\u7801\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u5b83\u5f71\u54cd\u6570\u636e\u7684\u5b58\u50a8\u3001\u4f20\u8f93\u548c\u5904\u7406\u3002\u901a\u8fc7\u7406\u89e3\u7f16\u7801\u7684\u57fa\u672c\u6982\u5ff5\u548c\u65b9\u6cd5\uff0c\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u5e76\u5904\u7406\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u9ad8\u6548\u5730\u8fdb\u884c\u5b57\u7b26\u4e32\u7f16\u7801\u64cd\u4f5c\u3002\u5bf9\u4e8e\u591a\u8bed\u8a00\u652f\u6301\u548c\u56fd\u9645\u5316\u5e94\u7528\uff0cUTF-8\u7f16\u7801\u662f\u4e00\u4e2a\u5b89\u5168\u4e14\u5e7f\u6cdb\u652f\u6301\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>Python\u4e2d\u5982\u4f55\u4f7f\u7528encode\u51fd\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u7f16\u7801\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u7684\u7f16\u7801\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528encode()\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u8fd9\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6307\u5b9a\u7f16\u7801\u683c\u5f0f\u7684\u5b57\u8282\u5bf9\u8c61\u3002\u5e38\u89c1\u7684\u7f16\u7801\u683c\u5f0f\u5305\u62ecUTF-8\u3001ASCII\u548cUTF-16\u7b49\u3002\u4f7f\u7528\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">string = &quot;Hello, World!&quot;\nencoded_string = string.encode(&#39;utf-8&#39;)\nprint(encoded_string)  # \u8f93\u51fa\uff1ab&#39;Hello, World!&#39;\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32\u88ab\u7f16\u7801\u4e3aUTF-8\u683c\u5f0f\u7684\u5b57\u8282\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\uff0c\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f\uff1f<\/strong><br \/>\u9009\u62e9\u7f16\u7801\u683c\u5f0f\u65f6\uff0c\u9700\u8981\u8003\u8651\u76ee\u6807\u7cfb\u7edf\u6216\u5e94\u7528\u7a0b\u5e8f\u7684\u8981\u6c42\u3002UTF-8\u662f\u6700\u5e38\u7528\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u652f\u6301\u6240\u6709\u5b57\u7b26\uff0c\u9002\u5408\u591a\u8bed\u8a00\u73af\u5883\u3002\u5982\u679c\u5904\u7406\u7684\u662f\u4ec5\u5305\u542b\u82f1\u8bed\u5b57\u7b26\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u9009\u62e9ASCII\u7f16\u7801\u3002\u5bf9\u4e8e\u7279\u5b9a\u7684\u8bed\u8a00\u6216\u5e94\u7528\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u7f16\u7801\uff0c\u5982GBK\uff08\u7528\u4e8e\u7b80\u4f53\u4e2d\u6587\uff09\u6216ISO-8859-1\uff08\u7528\u4e8e\u897f\u6b27\u8bed\u8a00\uff09\u3002\u4e86\u89e3\u6570\u636e\u7684\u6765\u6e90\u548c\u76ee\u7684\u6709\u52a9\u4e8e\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u7f16\u7801\u9519\u8bef\uff1f<\/strong><br \/>\u5728\u7f16\u7801\u6216\u89e3\u7801\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u7f16\u7801\u9519\u8bef\u3002Python\u7684encode()\u548cdecode()\u65b9\u6cd5\u5141\u8bb8\u901a\u8fc7\u8bbe\u7f6e\u9519\u8bef\u5904\u7406\u53c2\u6570\u6765\u5904\u7406\u8fd9\u4e9b\u95ee\u9898\u3002\u5e38\u89c1\u7684\u9519\u8bef\u5904\u7406\u7b56\u7565\u5305\u62ec&#39;replace&#39;\uff08\u7528\u66ff\u4ee3\u5b57\u7b26\u66ff\u6362\u4e0d\u53ef\u7f16\u7801\u7684\u5b57\u7b26\uff09\u3001&#39;ignore&#39;\uff08\u5ffd\u7565\u4e0d\u53ef\u7f16\u7801\u7684\u5b57\u7b26\uff09\u548c&#39;backslashreplace&#39;\uff08\u7528Unicode\u8f6c\u4e49\u5e8f\u5217\u66ff\u6362\u4e0d\u53ef\u7f16\u7801\u7684\u5b57\u7b26\uff09\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">string = &quot;Hello, \u4e16\u754c!&quot;\nencoded_string = string.encode(&#39;ascii&#39;, &#39;ignore&#39;)  # \u5ffd\u7565\u65e0\u6cd5\u7f16\u7801\u7684\u5b57\u7b26\nprint(encoded_string)  # \u8f93\u51fa\uff1ab&#39;Hello, &#39;\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u975eASCII\u5b57\u7b26\u88ab\u5ffd\u7565\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u53ea\u5305\u542b\u53ef\u7f16\u7801\u7684\u90e8\u5206\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u7f16\u7801\uff08encode\uff09\u5b57\u7b26\u4e32\u7684\u5e38\u89c1\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u7684encode()\u65b9\u6cd5\u3001\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u683c\u5f0f [&hellip;]","protected":false},"author":3,"featured_media":926245,"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\/926237"}],"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=926237"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/926237\/revisions"}],"predecessor-version":[{"id":926248,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/926237\/revisions\/926248"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/926245"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=926237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=926237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=926237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}