{"id":195741,"date":"2024-11-13T17:31:19","date_gmt":"2024-11-13T09:31:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195741\/"},"modified":"2024-11-13T17:31:20","modified_gmt":"2024-11-13T09:31:20","slug":"%e5%9c%a8mysql%e4%b8%ad%e4%bd%bf%e7%94%a8xml%e6%95%b8%e6%93%9a-%e6%95%b8%e6%93%9a%e6%a0%bc%e5%bc%8f%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195741\/","title":{"rendered":"\u5728MySQL\u4e2d\u4f7f\u7528XML\u6578\u64da\u2014\u6578\u64da\u683c\u5f0f\u5316"},"content":{"rendered":"<h1 id=\"%e5%9c%a8mysql%e4%b8%ad%e4%bd%bf%e7%94%a8xml%e6%95%b8%e6%93%9a-%e6%95%b8%e6%93%9a%e6%a0%bc%e5%bc%8f%e5%8c%96-zRyGFFcJja\">\u5728MySQL\u4e2d\u4f7f\u7528XML\u6578\u64da\u2014\u6578\u64da\u683c\u5f0f\u5316<\/h1>\n<p>\u96a8\u8457\u6578\u64da\u7ba1\u7406\u9700\u6c42\u7684\u65e5\u76ca\u589e\u9577\uff0cXML\uff08\u53ef\u64f4\u5c55\u6a19\u8a18\u8a9e\u8a00\uff09\u4f5c\u70ba\u4e00\u7a2e\u9748\u6d3b\u7684\u6578\u64da\u683c\u5f0f\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5c0dXML\u6578\u64da\u7684\u652f\u6301\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u65b9\u4fbf\u5730\u8655\u7406\u548c\u5b58\u5132\u7d50\u69cb\u5316\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528XML\u6578\u64da\uff0c\u4e26\u4ecb\u7d39\u6578\u64da\u683c\u5f0f\u5316\u7684\u76f8\u95dc\u6280\u8853\u3002<\/p>\n<h2 id=\"xml%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zRyGFFcJja\">XML\u6578\u64da\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>XML\u662f\u4e00\u7a2e\u6a19\u8a18\u8a9e\u8a00\uff0c\u7528\u65bc\u63cf\u8ff0\u6578\u64da\u7684\u7d50\u69cb\u548c\u5167\u5bb9\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u662f\u53ef\u64f4\u5c55\u6027\u548c\u81ea\u6211\u63cf\u8ff0\u6027\uff0c\u9019\u4f7f\u5f97XML\u975e\u5e38\u9069\u5408\u7528\u65bc\u6578\u64da\u4ea4\u63db\u548c\u5b58\u5132\u3002XML\u6587\u6a94\u7531\u4e00\u7cfb\u5217\u7684\u5143\u7d20\u7d44\u6210\uff0c\u6bcf\u500b\u5143\u7d20\u53ef\u4ee5\u5305\u542b\u5c6c\u6027\u548c\u5b50\u5143\u7d20\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u8868\u793a\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e5%9c%a8mysql%e4%b8%ad%e5%ad%98%e5%84%b2xml%e6%95%b8%e6%93%9a-zRyGFFcJja\">\u5728MySQL\u4e2d\u5b58\u5132XML\u6578\u64da<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528TEXT\u6216BLOB\u985e\u578b\u7684\u5b57\u6bb5\u4f86\u5b58\u5132XML\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u8868\u4f86\u5b58\u5132XML\u6578\u64da\uff1a<\/p>\n<pre><code>CREATE TABLE xml_data (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    data TEXT\n);<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528INSERT\u8a9e\u53e5\u5c07XML\u6578\u64da\u63d2\u5165\u5230\u8868\u4e2d\uff1a<\/p>\n<pre><code>INSERT INTO xml_data (data) VALUES ('&lt;note&gt;&lt;to&gt;Tove&lt;\/to&gt;&lt;from&gt;Jani&lt;\/from&gt;&lt;heading&gt;Reminder&lt;\/heading&gt;&lt;body&gt;Don''t forget me this weekend!&lt;\/body&gt;&lt;\/note&gt;');<\/code><\/pre>\n<h2 id=\"%e5%be%9exml%e6%95%b8%e6%93%9a%e4%b8%ad%e6%8f%90%e5%8f%96%e4%bf%a1%e6%81%af-zRyGFFcJja\">\u5f9eXML\u6578\u64da\u4e2d\u63d0\u53d6\u4fe1\u606f<\/h2>\n<p>MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u8655\u7406XML\u6578\u64da\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fEXTRACTVALUE\u548cUPDATEXML\u51fd\u6578\u3002EXTRACTVALUE\u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u5f9eXML\u6578\u64da\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u503c\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u5c07\u63d0\u53d6\u201cto\u201d\u5143\u7d20\u7684\u503c\uff1a<\/p>\n<pre><code>SELECT EXTRACTVALUE(data, '\/note\/to') AS recipient FROM xml_data;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u201crecipient\u201d\u5217\uff0c\u5176\u4e2d\u5305\u542b\u201cto\u201d\u5143\u7d20\u7684\u503c\u201cTove\u201d\u3002<\/p>\n<h2 id=\"%e6%a0%bc%e5%bc%8f%e5%8c%96xml%e6%95%b8%e6%93%9a-zRyGFFcJja\">\u683c\u5f0f\u5316XML\u6578\u64da<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5c07XML\u6578\u64da\u683c\u5f0f\u5316\u70ba\u66f4\u6613\u8b80\u7684\u5f62\u5f0f\u3002MySQL\u63d0\u4f9b\u4e86XMLELEMENT\u548cXMLAGG\u51fd\u6578\u4f86\u5e6b\u52a9\u683c\u5f0f\u5316XML\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u9019\u4e9b\u51fd\u6578\u4f86\u751f\u6210\u683c\u5f0f\u5316\u7684XML\uff1a<\/p>\n<pre><code>SELECT XMLELEMENT(NAME \"note\", \n           XMLELEMENT(NAME \"to\", 'Tove'),\n           XMLELEMENT(NAME \"from\", 'Jani'),\n           XMLELEMENT(NAME \"heading\", 'Reminder'),\n           XMLELEMENT(NAME \"body\", 'Don''t forget me this weekend!')\n       ) AS formatted_xml;<\/code><\/pre>\n<p>\u9019\u5c07\u751f\u6210\u4e00\u500b\u683c\u5f0f\u5316\u7684XML\u6587\u6a94\uff0c\u4fbf\u65bc\u95b1\u8b80\u548c\u7406\u89e3\u3002<\/p>\n<h2>\u7d50\u8ad6&lt;\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528XML\u6578\u64da\u9032\u884c\u6578\u64da\u683c\u5f0f\u5316\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u9748\u6d3b\u6027\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-195741","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195741","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=195741"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195741\/revisions"}],"predecessor-version":[{"id":195742,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195741\/revisions\/195742"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}