{"id":133,"date":"2025-11-24T14:36:36","date_gmt":"2025-11-24T06:36:36","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=133"},"modified":"2025-11-24T14:36:36","modified_gmt":"2025-11-24T06:36:36","slug":"%e8%a7%a3%e6%9e%90xml%e5%af%b9%e4%bb%a3%e7%a0%81%e4%b8%ad%e7%9a%84%e7%a9%ba%e7%99%bd%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/11\/24\/%e8%a7%a3%e6%9e%90xml%e5%af%b9%e4%bb%a3%e7%a0%81%e4%b8%ad%e7%9a%84%e7%a9%ba%e7%99%bd%e5%a4%84%e7%90%86\/","title":{"rendered":"\u89e3\u6790XML\u5bf9\u4ee3\u7801\u4e2d\u7684\u7a7a\u767d\u5904\u7406"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u4efd<strong>\u6e05\u6670\u6613\u61c2\u3001\u540c\u65f6\u53c8\u8986\u76d6\u5e38\u89c1\u5751\u70b9\u7684\u300a\u89e3\u6790 XML \u65f6\u5bf9\u4ee3\u7801\u4e2d\u7a7a\u767d\u7684\u5904\u7406\u300b\u8be6\u89e3\u6307\u5357<\/strong>\u3002\u8fd9\u662f XML \u7f16\u5199\u4e0e\u89e3\u6790\u4e2d\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u5c24\u5176\u5bf9\u524d\u7aef\u3001Java\/Python \u540e\u7aef\u3001\u914d\u7f6e\u6587\u4ef6\u5904\u7406\u5f71\u54cd\u5f88\u5927\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u4e00\u3001\u4ec0\u4e48\u662f XML \u4e2d\u7684\u201c\u7a7a\u767d\u201d\uff1f<\/h1>\n\n\n\n<p>XML \u4e2d\u7684\u7a7a\u767d\uff08Whitespace\uff09\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7a7a\u683c <\/li>\n\n\n\n<li>\u5236\u8868\u7b26 <code>\\t<\/code><\/li>\n\n\n\n<li>\u6362\u884c\u7b26 <code>\\n<\/code><\/li>\n\n\n\n<li>\u56de\u8f66\u7b26 <code>\\r<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u7a7a\u767d\u5728 XML \u6587\u6863\u4e2d\u5230\u5e95\u6709\u6ca1\u6709\u610f\u4e49\uff1f<br>\u7b54\u6848\u662f\uff1a<strong>\u89c6\u573a\u666f\u800c\u5b9a\uff01<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u4e8c\u3001XML \u4e2d\u7a7a\u767d\u6709\u4e24\u7c7b\uff08\u6838\u5fc3\u6982\u5ff5\uff09<\/h1>\n\n\n\n<p>XML \u628a\u7a7a\u767d\u5206\u6210\u4e24\u7c7b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 1. Significant Whitespace\uff08\u6709\u610f\u4e49\u7684\u7a7a\u767d\uff09<\/h3>\n\n\n\n<p>\u7528\u4e8e\u8868\u793a\u5b9e\u9645\u5185\u5bb9\u7684\u4e00\u90e8\u5206\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;name&gt;Tom Jerry&amp;lt;\/name&gt;\n\n<\/pre><\/div>\n\n\n<p>\u8fd9\u91cc\u7684\u7a7a\u683c\u5fc5\u987b\u4fdd\u7559\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 2. Insignificant Whitespace\uff08\u65e0\u610f\u4e49\u7684\u7a7a\u767d\uff09<\/h3>\n\n\n\n<p>\u7528\u4e8e\u7f29\u8fdb\u3001\u683c\u5f0f\u3001\u7f8e\u5316\u6587\u6863\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;root&gt;\n    &amp;lt;child&gt;text&amp;lt;\/child&gt;\n&amp;lt;\/root&gt;\n\n<\/pre><\/div>\n\n\n<p>\u8fd9\u91cc\u7684\u7f29\u8fdb\u4e0e\u6362\u884c <strong>\u53ea\u662f\u4e3a\u4e86\u8ba9\u6587\u6863\u597d\u770b<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u4e09\u3001\u4e0d\u540c XML \u89e3\u6790\u5668\u5bf9\u7a7a\u767d\u7684\u9ed8\u8ba4\u884c\u4e3a<\/h1>\n\n\n\n<p>\u8fd9\u662f\u7a7a\u767d\u95ee\u9898\u6700\u9ebb\u70e6\u7684\u539f\u56e0\uff1a<\/p>\n\n\n\n<p>\u4e0d\u540c\u8bed\u8a00\u3001\u4e0d\u540c DOM\/SAX \u89e3\u6790\u5668\u9ed8\u8ba4\u884c\u4e3a<strong>\u4e0d\u4e00\u6837<\/strong>\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 DOM \u89e3\u6790\u5668\uff08Java\u3001JavaScript\u3001Python\uff09<\/h2>\n\n\n\n<p>DOM \u89e3\u6790\u5668\u9ed8\u8ba4\u4f1a\u628a\u7a7a\u767d\u5f53\u6210 <strong>Text Node<\/strong> \u63d0\u53d6\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;root&gt;\n    &amp;lt;a&gt;hello&amp;lt;\/a&gt;\n&amp;lt;\/root&gt;\n\n<\/pre><\/div>\n\n\n<p>DOM \u904d\u5386\u65f6\u4f60\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n#text   &quot;\\n    &quot;\n&amp;lt;a&gt;\n#text   &quot;hello&quot;\n&amp;lt;\/a&gt;\n#text   &quot;\\n&quot;\n\n<\/pre><\/div>\n\n\n<p>\u6240\u4ee5 <strong>\u7a7a\u767d\u4f1a\u4ea7\u751f\u4e00\u5806 text \u8282\u70b9<\/strong>\uff0c\u975e\u5e38\u5f71\u54cd\u904d\u5386\u903b\u8f91\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 SAX \u89e3\u6790\u5668<\/h2>\n\n\n\n<p>SAX \u4e2d\u4f1a\u89e6\u53d1 <code>characters()<\/code> \u4e8b\u4ef6\uff0c\u5e76\u628a\u7a7a\u767d\u4e5f\u5f53\u6210\u6587\u672c\u3002<\/p>\n\n\n\n<p>\u4f60\u5fc5\u987b\u624b\u52a8\u5224\u65ad\u662f\u5426\u5168\u4e3a\u7a7a\u767d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 XPath \/ XSLT<\/h2>\n\n\n\n<p>\u5927\u591a\u6570 XSLT \u5f15\u64ce\u9ed8\u8ba4\u4f1a\u5ffd\u7565\u65e0\u610f\u4e49\u7a7a\u767d\u3002<\/p>\n\n\n\n<p>\u4f46\u53ef\u4ee5\u8c03\u8282\uff0c\u5982\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;xsl:strip-space elements=&quot;*&quot;\/&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u56db\u3001\u5982\u4f55\u907f\u514d\u7a7a\u767d\u8282\u70b9\u9020\u6210\u56f0\u6270\uff1f<\/h1>\n\n\n\n<p>\u8fd9\u662f\u6700\u5173\u952e\u7684\u4e00\u8282\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 \u65b9\u6cd5 1\uff1a\u8bbe\u7f6e\u89e3\u6790\u5668\u5ffd\u7565\u7a7a\u767d\uff08DOM \u6700\u5e38\u7528\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Java DOM\uff1a<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nDocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();\nfactory.setIgnoringElementContentWhitespace(true);\n\n<\/pre><\/div>\n\n\n<p>\u6ce8\u610f\uff1a<strong>\u6b64\u529f\u80fd\u4ec5\u5728 XML \u7ed1\u5b9a\u4e86 DTD\/XSD \u4e14\u9a8c\u8bc1\u901a\u8fc7\u65f6\u6709\u6548\uff01<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Python lxml\uff1a<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nparser = etree.XMLParser(remove_blank_text=True)\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">JavaScript\uff08\u6d4f\u89c8\u5668 XMLParser\uff09<\/h3>\n\n\n\n<p>\u6ca1\u6709\u5185\u5efa\u9009\u9879\uff0c\u9700\u8981\u624b\u52a8\u8fc7\u6ee4\u7a7a\u767d\u8282\u70b9\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nfunction removeWhitespace(node) {\n    let child = node.firstChild;\n    while (child) {\n        let next = child.nextSibling;\n        if (child.nodeType === Node.TEXT_NODE &amp;amp;&amp;amp; !\/\\S\/.test(child.nodeValue)) {\n            node.removeChild(child);\n        }\n        child = next;\n    }\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 \u65b9\u6cd5 2\uff1a\u5728 XML \u4e2d\u7981\u7528\u7a7a\u767d<\/h2>\n\n\n\n<p>\u5982\u679c\u4f60\u81ea\u5df1\u751f\u6210 XML\uff0c\u53ef\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5199\u6210\u4e00\u884c<\/li>\n\n\n\n<li>\u6216\u81ea\u5df1\u63a7\u5236\u7f29\u8fdb<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;root&gt;&amp;lt;a&gt;hello&amp;lt;\/a&gt;&amp;lt;\/root&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 \u65b9\u6cd5 3\uff1a\u4f7f\u7528 XSD \u6765\u5b9a\u4e49\u53ef\u5ffd\u7565\u7a7a\u767d<\/h2>\n\n\n\n<p>XML Schema \u672c\u8eab\u6709\u80fd\u529b\u8ba9\u89e3\u6790\u5668\u533a\u5206\u6b63\u6587 vs \u7a7a\u767d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u4e94\u3001CDATA \u4e0e\u7a7a\u767d\uff08\u91cd\u8981\uff09<\/h1>\n\n\n\n<p>CDATA \u4e2d\u7684\u7a7a\u767d <strong>\u6c38\u8fdc\u4fdd\u7559<\/strong>\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;textarea&gt;&amp;lt;!&#x5B;CDATA&#x5B;\n  Hello\n  World\n]]&gt;&amp;lt;\/textarea&gt;\n\n<\/pre><\/div>\n\n\n<p>\u6bcf\u4e2a\u6362\u884c\u3001\u7f29\u8fdb\u90fd\u4f1a\u88ab\u89c6\u4e3a\u6709\u6548\u6570\u636e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u516d\u3001\u7a7a\u767d\u5e26\u6765\u7684\u5178\u578b\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u274c \u95ee\u9898 1\uff1aDOM \u904d\u5386\u65f6\u51fa\u73b0\u5927\u91cf #text \u8282\u70b9<\/h2>\n\n\n\n<p>\u539f\u56e0\uff1a\u683c\u5f0f\u7f29\u8fdb\u5bfc\u81f4\u3002<\/p>\n\n\n\n<p>\u2714 \u89e3\u51b3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u5ffd\u7565\u7a7a\u767d<\/li>\n\n\n\n<li>\u6216\u624b\u52a8\u8fc7\u6ee4\u7a7a\u767d text node<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u274c \u95ee\u9898 2\uff1aXML \u5bf9\u6bd4\uff08diff\uff09\u65f6\u53d1\u73b0\u6587\u4ef6\u4e0d\u540c<\/h2>\n\n\n\n<p>\u539f\u56e0\uff1a\u7a7a\u767d\u4e0d\u540c\u5bfc\u81f4\u88ab\u8bc6\u522b\u4e3a\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u2714 \u89e3\u51b3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u683c\u5f0f\u5316\u5de5\u5177\u6574\u7406\u7edf\u4e00\u7f29\u8fdb<\/li>\n\n\n\n<li>\u4ec5\u6bd4\u8f83\u7ed3\u6784\u548c\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u7eaf\u6587\u672c<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u274c \u95ee\u9898 3\uff1a\u89e3\u6790 XML \u65f6\u83b7\u53d6\u9519\u8bef\u7684\u6587\u672c<\/h2>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;name&gt;\n    Tom\n&amp;lt;\/name&gt;\n\n<\/pre><\/div>\n\n\n<p>\u4f60\u53ef\u80fd\u8bfb\u53d6\u5230\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&quot;\\n    Tom\\n&quot;\n\n<\/pre><\/div>\n\n\n<p>\u2714 \u89e3\u51b3\uff1a<\/p>\n\n\n\n<p>\u5bf9\u5b57\u7b26\u4e32\u6267\u884c\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ntrim()\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u274c \u95ee\u9898 4\uff1aXSLT \u591a\u4f59\u7a7a\u767d\u4ea7\u751f\u683c\u5f0f\u9519\u8bef<\/h2>\n\n\n\n<p>\u2714 \u89e3\u51b3\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;xsl:strip-space elements=&quot;*&quot;\/&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u274c \u95ee\u9898 5\uff1a\u6b63\u5219\u89e3\u6790 XML\uff08\u6781\u5176\u4e0d\u63a8\u8350\uff09<\/h2>\n\n\n\n<p>\u6b63\u5219\u65e0\u6cd5\u6b63\u786e\u5904\u7406\u7a7a\u767d\u548c\u7ed3\u6784\u3002<br>\u907f\u514d\u4f7f\u7528\u6b63\u5219\u89e3\u6790 XML\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 \u4e03\u3001XML \u7a7a\u767d\u6700\u4f73\u5b9e\u8df5\uff08\u5199\u7ed9\u4ee3\u7801\u5de5\u7a0b\u5e08\uff09<\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 1. \u89e3\u6790\u524d\uff1a\u51b3\u5b9a\u662f\u5426\u9700\u8981\u4fdd\u7559\u7a7a\u767d<\/h2>\n\n\n\n<p>\u5185\u5bb9\u578b\uff08\u6587\u7ae0\u3001\u5bcc\u6587\u672c\uff09 \u2192 \u4fdd\u7559<br>\u914d\u7f6e\u578b\uff08\u7ed3\u6784\u5316 XML\uff09 \u2192 \u5ffd\u7565<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 2. \u5199 XML \u65f6\u5c3d\u91cf\u7edf\u4e00\u7f29\u8fdb\u89c4\u5219<\/h2>\n\n\n\n<p>\u786e\u4fdd diff\u3001\u663e\u793a\u4e00\u81f4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 3. \u5982\u679c\u4f7f\u7528 DOM \u89e3\u6790\uff0c\u8bf7\u5f00\u542f\u201c\u5ffd\u7565\u7a7a\u767d\u201d<\/h2>\n\n\n\n<p>\u907f\u514d #text \u8282\u70b9\u6c61\u67d3\u6811\u7ed3\u6784\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 4. \u89e3\u6790\u6587\u672c\u503c\u65f6\u52a1\u5fc5 trim()<\/h2>\n\n\n\n<p>\u907f\u514d\u6362\u884c\u3001\u7f29\u8fdb\u5e26\u6765\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2714 5. 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