{"id":178704,"date":"2024-11-08T20:11:30","date_gmt":"2024-11-08T12:11:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178704\/"},"modified":"2024-11-08T20:11:31","modified_gmt":"2024-11-08T12:11:31","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a2200l-not_an_xml_document%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178704\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a2200L &#8211; not_an_xml_document\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a2200l-not_an_xml_document-aSLWxkUjEV\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a2200L &#8211; not_an_xml_document<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f2200L &#8211; not_an_xml_document\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5c07\u975eXML\u683c\u5f0f\u7684\u6578\u64da\u63d2\u5165\u6216\u67e5\u8a62XML\u985e\u578b\u7684\u5b57\u6bb5\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-aSLWxkUjEV\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>PostgreSQL\u63d0\u4f9b\u4e86\u5c0dXML\u6578\u64da\u985e\u578b\u7684\u652f\u6301\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u5b58\u5132\u548c\u67e5\u8a62XML\u683c\u5f0f\u7684\u6578\u64da\u3002\u7136\u800c\uff0c\u7576\u7528\u6236\u5617\u8a66\u5c07\u4e0d\u7b26\u5408XML\u683c\u5f0f\u7684\u6578\u64da\u63d2\u5165\u5230XML\u985e\u578b\u7684\u5b57\u6bb5\u6642\uff0c\u5c31\u6703\u51fa\u73fe2200L\u932f\u8aa4\u3002\u9019\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>\u63d2\u5165\u7684\u6578\u64da\u53ef\u80fd\u5305\u542b\u7121\u6548\u7684XML\u6a19\u7c64\u6216\u7d50\u69cb\uff0c\u5c0e\u81f4PostgreSQL\u7121\u6cd5\u8b58\u5225\u3002<\/li>\n<li><strong>\u5b57\u7b26\u7de8\u78bc\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6578\u64da\u4e2d\u5305\u542b\u4e0d\u652f\u6301\u7684\u5b57\u7b26\u7de8\u78bc\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7a7a\u503c\u6216NULL\u503c\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5617\u8a66\u5c07NULL\u503c\u63d2\u5165XML\u5b57\u6bb5\u4e5f\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4-aSLWxkUjEV\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa92200L\u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u7b26\u5408XML\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e9%a9%97%e8%ad%89xml%e6%a0%bc%e5%bc%8f-aSLWxkUjEV\">1. \u9a57\u8b49XML\u683c\u5f0f<\/h3>\n<p>\u5728\u5c07\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u61c9\u8a72\u4f7f\u7528XML\u9a57\u8b49\u5de5\u5177\u4f86\u6aa2\u67e5\u6578\u64da\u7684\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bPython\u4ee3\u78bc\u4f86\u9a57\u8b49XML\uff1a<\/p>\n<pre><code>import xml.etree.ElementTree as ET\n\ndef validate_xml(xml_string):\n    try:\n        ET.fromstring(xml_string)\n        return True\n    except ET.ParseError:\n        return False\n\nxml_data = \"&lt;root&gt;&lt;element&gt;value&lt;\/element&gt;&lt;\/root&gt;\"\nprint(validate_xml(xml_data))  # \u8f38\u51fa: True<\/code><\/pre>\n<p>\u5982\u679c\u9a57\u8b49\u5931\u6557\uff0c\u5247\u9700\u8981\u4fee\u6b63XML\u7d50\u69cb\u6216\u6a19\u7c64\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc-aSLWxkUjEV\">2. \u6aa2\u67e5\u5b57\u7b26\u7de8\u78bc<\/h3>\n<p>\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u7b26\u7de8\u78bc\u3002PostgreSQL\u901a\u5e38\u4f7f\u7528UTF-8\u7de8\u78bc\uff0c\u56e0\u6b64\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u61c9\u8a72\u5c07\u5176\u8f49\u63db\u70baUTF-8\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u9032\u884c\u8f49\u63db\uff1a<\/p>\n<pre><code>data = \"some data with special characters\"\nutf8_data = data.encode('utf-8')\n<\/code><\/pre>\n<h3 id=\"3-%e8%99%95%e7%90%86null%e5%80%bc-aSLWxkUjEV\">3. \u8655\u7406NULL\u503c<\/h3>\n<p>\u5982\u679c\u9700\u8981\u63d2\u5165NULL\u503c\uff0c\u61c9\u8a72\u8003\u616e\u4f7f\u7528\u7a7a\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u66ff\u4ee3\u503c\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u63d2\u5165NULL\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5f15\u767c2200L\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-aSLWxkUjEV\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6b63\u78ba\u63d2\u5165XML\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO your_table (xml_column) VALUES ('&lt;root&gt;&lt;element&gt;value&lt;\/element&gt;&lt;\/root&gt;');\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u63d2\u5165\u7684\u6578\u64da\u662f\u6709\u6548\u7684XML\u683c\u5f0f\uff0c\u56e0\u6b64\u4e0d\u6703\u5f15\u767c2200L\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aSLWxkUjEV\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u76842200L &#8211; not_an_xml_document\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\u3001\u5b57\u7b26\u7de8\u78bc\u554f\u984c\u6216NULL\u503c\u5f15\u8d77\u7684\u3002\u901a\u904e\u9a57\u8b49XML\u683c\u5f0f\u3001\u6aa2\u67e5\u5b57\u7b26\u7de8\u78bc\u548c\u59a5\u5584\u8655\u7406NULL\u503c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc2200L &#8211; not_an_xml_document\uff0c\u89e3\u6c7aXML\u683c\u5f0f\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178704","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178704"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178704\/revisions"}],"predecessor-version":[{"id":178705,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178704\/revisions\/178705"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}