XML\uff1aeXtensible Markup Language \u53ef\u6269\u5c55\u6807\u8bb0\u8bed\u8a00 version=”1.0″
\n* \u53ef\u6269\u5c55\uff1a\u6240\u6709\u7684\u6807\u7b7e\u90fd\u662f\u81ea\u5b9a\u4e49\u7684\u3002
\n* \u529f\u80fd\uff1a\u6570\u636e\u5b58\u50a8
\n* \u914d\u7f6e\u6587\u4ef6
\n* \u6570\u636e\u4f20\u8f93<\/p>\n
* html\u4e0exml\u533a\u522b\uff1a
\n* html\u8bed\u6cd5\u677e\u6563\uff0cxml\u8bed\u6cd5\u4e25\u683c
\n* html\u505a\u9875\u9762\u5c55\u793a\uff0cxml\u505a\u6570\u636e\u5b58\u50a8
\n* html\u6240\u6709\u6807\u7b7e\u90fd\u662f\u9884\u5b9a\u4e49\u7684\uff0cxml\u6240\u6709\u6807\u7b7e\u90fd\u662f\u81ea\u5b9a\u4e49\u7684<\/p>\n
W3C:word wide web consortiem \u4e07\u7ef4\u7f51\u8054\u76df
\nxml\u8bed\u6cd5\uff1a<\/p>\n
* \u6587\u6863\u58f0\u660e\uff1a
\n* \u5fc5\u987b\u5199\u5728xml\u6587\u6863\u7684\u7b2c\u4e00\u884c\u3002
\n* \u5199\u6cd5\uff1a<?xml version=”1.0″ ?>
\n* \u5c5e\u6027\uff1a
\n* version\uff1a\u7248\u672c\u53f7 \u56fa\u5b9a\u503c 1.0
\n* encoding:\u6307\u5b9a\u6587\u6863\u7684\u7801\u8868\u3002\u9ed8\u8ba4\u503c\u4e3a iso-8859-1
\n* standalone\uff1a\u6307\u5b9a\u6587\u6863\u662f\u5426\u72ec\u7acb yes \u6216 no<\/p>\n
* \u5143\u7d20\uff1axml\u6587\u6863\u4e2d\u7684\u6807\u7b7e
\n** \u6587\u6863\u4e2d\u5fc5\u987b\u6709\u4e14\u53ea\u80fd\u6709\u4e00\u4e2a\u6839\u5143\u7d20
\n* \u5143\u7d20\u9700\u8981\u6b63\u786e\u95ed\u5408\u3002
\n* \u5143\u7d20\u9700\u8981\u6b63\u786e\u5d4c\u5957
\n* \u5143\u7d20\u540d\u79f0\u8981\u9075\u5b88\uff1a
\n* \u5143\u7d20\u540d\u79f0\u533a\u5206\u5927\u5c0f\u5199
\n* \u6570\u5b57\u4e0d\u80fd\u5f00\u5934<\/p>\n
* \u6587\u672c\uff1a
\n* \u8f6c\u4e49\u5b57\u7b26\uff1a>
\n* CDATA: \u91cc\u8fb9\u7684\u6570\u636e\u4f1a\u539f\u6837\u663e\u793a
\n* <![CDATA[ \u6570\u636e\u5185\u5bb9 ]]><\/p>\n
* \u5c5e\u6027\uff1a
\n* \u5c5e\u6027\u503c\u5fc5\u987b\u7528\u5f15\u53f7\u5f15\u8d77\u6765\u3002\u5355\u53cc\u5f15\u53f7\u90fd\u884c
\n* \u6ce8\u91ca\uff1a
\n<!– –>
\n* \u5904\u7406\u6307\u4ee4\uff1a\u73b0\u5728\u57fa\u672c\u4e0d\u7528
\n<?xml-stylesheet type=”text\/css” href=”1.css”?><\/p>\n
xml\u7ea6\u675f\uff1a
\n* \u7ea6\u675f\u5c31\u662fxml\u7684\u4e66\u5199\u89c4\u5219
\n* \u7ea6\u675f\u7684\u5206\u7c7b\uff1a
\ndtd\uff1a
\ndtd\u5206\u7c7b\uff1a
\n* \u5185\u90e8dtd\uff1a\u5728xml\u5185\u90e8\u5b9a\u4e49dtd
\n* \u5916\u90e8dtd\uff1a\u5728\u5916\u90e8\u6587\u4ef6\u4e2d\u5b9a\u4e49dtd
\n* \u672c\u5730dtd\u6587\u4ef6\uff1a<!DOCTYPE students SYSTEM “student.dtd”>
\n* \u7f51\u7edcdtd\u6587\u4ef6\uff1a<!DOCTYPE students PUBLIC “\u540d\u79f0\u7a7a\u95f4” “student.dtd”>
\nschema\uff1a
\n\u5bfc\u5165xsd\u7ea6\u675f\u6587\u6863\uff1a
\n1\u3001\u7f16\u5199\u6839\u6807\u7b7e
\n2\u3001\u5f15\u5165\u5b9e\u4f8b\u540d\u79f0\u7a7a\u95f4 xmlns:xsi=”http:\/\/www.w3.org\/2001\/XMLSchema-instance”
\n3\u3001\u5f15\u5165\u540d\u79f0\u7a7a\u95f4 xsi:schemaLocation=”http:\/\/www.itcast.cn\/xml student.xsd”
\n4\u3001\u5f15\u5165\u9ed8\u8ba4\u7684\u540d\u79f0\u7a7a\u95f4<\/p>\n
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<\/p>\n
XML\u89e3\u6790\uff1a
\n* \u89e3\u6790xml\u53ef\u4ee5\u505a\uff1a
\n* \u5982\u679cxml\u4f5c\u4e3a\u914d\u7f6e\u6587\u4ef6\uff1a\u8bfb\u53d6
\n* \u5982\u679cxml\u4f5c\u4e3a\u4f20\u8f93\u6587\u4ef6\uff1a\u5199\uff0c\u8bfb
\n* xml\u89e3\u6790\u601d\u60f3\uff1a
\n* DOM\uff1a\u5c06\u6587\u6863\u52a0\u8f7d\u8fdb\u5185\u5b58\uff0c\u5f62\u6210\u4e00\u9897dom\u6811(document\u5bf9\u8c61)\uff0c\u5c06\u6587\u6863\u7684\u5404\u4e2a\u7ec4\u6210\u90e8\u5206\u5c01\u88c5\u4e3a\u4e00\u4e9b\u5bf9\u8c61\u3002
\n* \u4f18\u70b9\uff1a\u56e0\u4e3a\uff0c\u5728\u5185\u5b58\u4e2d\u4f1a\u5f62\u6210dom\u6811\uff0c\u53ef\u4ee5\u5bf9dom\u6811\u8fdb\u884c\u589e\u5220\u6539\u67e5\u3002
\n* \u7f3a\u70b9\uff1adom\u6811\u975e\u5e38\u5360\u5185\u5b58\uff0c\u89e3\u6790\u901f\u5ea6\u6162\u3002<\/p>\n
Document
\nElement
\nText
\nAttribute
\nComment<\/p>\n
* SAX\uff1a\u9010\u884c\u8bfb\u53d6\uff0c\u57fa\u4e8e\u4e8b\u4ef6\u9a71\u52a8
\n* \u4f18\u70b9\uff1a\u4e0d\u5360\u5185\u5b58\uff0c\u901f\u5ea6\u5feb
\n* \u7f3a\u70b9\uff1a\u53ea\u80fd\u8bfb\u53d6\uff0c\u4e0d\u80fd\u56de\u5199<\/p>\n
* xml\u5e38\u7528\u7684\u89e3\u6790\u5668\uff1a
\n* JAXP\uff1asun\u516c\u53f8\u63d0\u4f9b\u7684\u89e3\u6790\u3002\u652f\u6301dom\u548csax\u3002
\n* JDOM\uff1a
\n* DOM4J\uff1adom for java\u6c11\u95f4\u65b9\u5f0f\uff0c\u4f46\u662f\u662f\u4e8b\u5b9e\u65b9\u5f0f\u3002\u975e\u5e38\u597d\u3002 \u652f\u6301dom
\n1.\u5bfc\u5165jar\u5305 dom4j.jar
\n2.\u521b\u5efa\u89e3\u6790\u5668
\nSAXReader reader = new SAXReader();
\n3.\u89e3\u6790xml \u83b7\u5f97document\u5bf9\u8c61
\nDocument document = reader.read(url);<\/p>\n
* XPATH\uff1a\u4e13\u95e8\u7528\u4e8e\u67e5\u8be2
\n* \u5b9a\u4e49\u4e86\u4e00\u79cd\u89c4\u5219\u3002
\n* \u4f7f\u7528\u7684\u65b9\u6cd5\uff1a
\n* selectSingleNode():
\n* selectNodes():
\n\u4f7f\u7528\u6b65\u9aa4\uff1a
\n1\u3001\u6ce8\u610f\uff1a\u8981\u5bfc\u5305 jaxen…jar
\n2\u3001\u521b\u5efa\u89e3\u6790\u5668
\nSAXReader reader = new SAXReader();
\n3\u3001\u89e3\u6790xml \u83b7\u5f97document\u5bf9\u8c61
\nDocument document = reader.read(url);<\/p>\n
* \u89e3\u6790XML\uff1a
\n\/\/ 1\u3001\u5f97\u5230\u67d0\u4e2a\u5177\u4f53\u7684\u8282\u70b9\u5185\u5bb9:\u7b2c2\u672c\u4e66\u7684\u4e66\u540d–\u300b\u8475\u82b1\u5b9d\u5178
\n\/\/ 2\u3001\u904d\u5386\u6240\u6709\u5143\u7d20\u8282\u70b9<\/p>\n
XPath\uff1a
\n\/\/ nodename \u9009\u53d6\u6b64\u8282\u70b9\u3002
\n\/\/ \/ \u4ece\u6839\u8282\u70b9\u9009\u53d6\u3002
\n\/\/ \/\/ \u4ece\u5339\u914d\u9009\u62e9\u7684\u5f53\u524d\u8282\u70b9\u9009\u62e9\u6587\u6863\u4e2d\u7684\u8282\u70b9\uff0c\u800c\u4e0d\u8003\u8651\u5b83\u4eec\u7684\u4f4d\u7f6e\u3002
\n\/\/ .. \u9009\u53d6\u5f53\u524d\u8282\u70b9\u7684\u7236\u8282\u70b9\u3002
\n\/\/ @ \u9009\u53d6\u5c5e\u6027\u3002
\n\/\/ [@\u5c5e\u6027\u540d] \u5c5e\u6027\u8fc7\u6ee4
\n\/\/ [\u6807\u7b7e\u540d] \u5b50\u5143\u7d20\u8fc7\u6ee4<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
XML\uff1aeXtensible Markup Language \u53ef\u6269\u5c55\u6807\u8bb0\u8bed\u8a00 version=”1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[21,22],"class_list":["post-167","post","type-post","status-publish","format-standard","hentry","tag-21","tag-projk"],"_links":{"self":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/posts\/167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167"}],"version-history":[{"count":0,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}