{"id":447,"date":"2010-06-03T17:24:58","date_gmt":"2010-06-03T09:24:58","guid":{"rendered":"http:\/\/115.29.108.60\/?p=447"},"modified":"2010-06-03T17:26:58","modified_gmt":"2010-06-03T09:26:58","slug":"dom%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"http:\/\/115.29.108.60\/?p=447","title":{"rendered":"DOM\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"

\/**************************************************
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 DOM\u5b66\u4e60
\n**************************************************\/
\nhttp:\/\/baike.baidu.com\/view\/14806.htm?fr=ala0_1_1<\/a>
\nDOM = Document Object Model\uff0c\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff0c\u6839\u636eW3C DOM\u89c4\u8303\uff0cDOM\u662fHTML\u4e0eXML\u7684\u5e94\u7528\u7f16\u7a0b<\/p>\n

\u63a5\u53e3\uff08API\uff09\uff0cDOM\u5c06\u6574\u4e2a\u9875\u9762\u6620\u5c04\u4e3a\u4e00\u4e2a\u7531\u5c42\u6b21\u8282\u70b9\u7ec4\u6210\u7684\u6587\u4ef6\u3002\u67091\u7ea7\u30012\u7ea7\u30013\u7ea7\u51713\u4e2a\u7ea7\u522b\u3002<\/p>\n

1\u7ea7DOM\u57281998\u5e7410\u6708\u4efd\u6210\u4e3aW3C\u7684\u63d0\u8bae\uff0c\u7531DOM\u6838\u5fc3\u4e0eDOM HTML\u4e24\u4e2a\u6a21\u5757\u7ec4\u6210\u3002DOM\u6838\u5fc3\u80fd\u6620\u5c04\u4ee5<\/p>\n

XML\u4e3a\u57fa\u7840\u7684\u6587\u6863\u7ed3\u6784\uff0c\u5141\u8bb8\u83b7\u53d6\u548c\u64cd\u4f5c\u6587\u6863\u7684\u4efb\u610f\u90e8\u5206\u3002DOM HTML\u901a\u8fc7\u6dfb\u52a0HTML\u4e13\u7528\u7684\u5bf9\u8c61\u4e0e\u51fd\u6570\u5bf9<\/p>\n

DOM\u6838\u5fc3\u8fdb\u884c\u4e86\u6269\u5c55\u3002<\/p>\n

\u9274\u4e8e1\u7ea7DOM\u4ec5\u4ee5\u6620\u5c04\u6587\u6863\u7ed3\u6784\u4e3a\u76ee\u6807\uff0c2\u7ea7DOM\u9762\u5411\u66f4\u4e3a\u5bbd\u5e7f\u3002\u901a\u8fc7\u5bf9\u539f\u6709DOM\u7684\u6269\u5c55\uff0c2\u7ea7DOM\u901a\u8fc7\u5bf9<\/p>\n

\u8c61\u63a5\u53e3\u589e\u52a0\u4e86\u5bf9\u9f20\u6807\u548c\u7528\u6237\u754c\u9762\u4e8b\u4ef6\uff08DHTML\u957f\u671f\u652f\u6301\u9f20\u6807\u4e0e\u7528\u6237\u754c\u9762\u4e8b\u4ef6\uff09\u3001\u8303\u56f4\u3001\u904d\u5386\uff08\u91cd\u590d\u6267\u884c<\/p>\n

DOM\u6587\u6863\uff09\u548c\u5c42\u53e0\u6837\u5f0f\u8868\uff08CSS\uff09\u7684\u652f\u6301\u3002\u540c\u65f6\u4e5f\u5bf9DOM 1\u7684\u6838\u5fc3\u8fdb\u884c\u4e86\u6269\u5c55\uff0c\u4ece\u800c\u53ef\u652f\u6301XML\u547d\u540d\u7a7a\u95f4<\/p>\n

\u3002<\/p>\n

3\u7ea7DOM\u901a\u8fc7\u5f15\u5165\u7edf\u4e00\u65b9\u5f0f\u8f7d\u5165\u548c\u4fdd\u5b58\u6587\u6863\u548c\u6587\u6863\u9a8c\u8bc1\u65b9\u6cd5\u5bf9DOM\u8fdb\u884c\u8fdb\u4e00\u6b65\u6269\u5c55\uff0cDOM3\u5305\u542b\u4e00\u4e2a\u540d\u4e3a\u201c<\/p>\n

DOM\u8f7d\u5165\u4e0e\u4fdd\u5b58\u201d\u7684\u65b0\u6a21\u5757\uff0cDOM\u6838\u5fc3\u6269\u5c55\u540e\u53ef\u652f\u6301XML1.0\u7684\u6240\u6709\u5185\u5bb9\uff0c\u5305\u6269XML Infoset\u3001 XPath\u3001\u548c<\/p>\n

XML Base\u3002<\/p>\n

<\/p>\n

\/**************************************************
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 XML DOM\u5b66\u4e60
\n**************************************************\/
\nhttp:\/\/www.w3school.com.cn\/xmldom\/index.asp<\/a>
\n\u8282\u70b9
\n\u6839\u636e DOM\uff0cXML \u6587\u6863\u4e2d\u7684\u6bcf\u4e2a\u6210\u5206\u90fd\u662f\u4e00\u4e2a\u8282\u70b9\u3002
\nDOM \u662f\u8fd9\u6837\u89c4\u5b9a\u7684\uff1a
\n\u6574\u4e2a\u6587\u6863\u662f\u4e00\u4e2a\u6587\u6863\u8282\u70b9
\n\u6bcf\u4e2a XML \u6807\u7b7e\u662f\u4e00\u4e2a\u5143\u7d20\u8282\u70b9
\n\u5305\u542b\u5728 XML \u5143\u7d20\u4e2d\u7684\u6587\u672c\u662f\u6587\u672c\u8282\u70b9
\n\u6bcf\u4e00\u4e2a XML \u5c5e\u6027\u662f\u4e00\u4e2a\u5c5e\u6027\u8282\u70b9
\n\u6ce8\u91ca\u5c5e\u4e8e\u6ce8\u91ca\u8282\u70b9<\/p>\n

\u6587\u672c\u603b\u662f\u5b58\u50a8\u5728\u6587\u672c\u8282\u70b9\u4e2d
\n\u5728 DOM \u5904\u7406\u4e2d\u4e00\u4e2a\u666e\u904d\u7684\u9519\u8bef\u662f\uff0c\u8ba4\u4e3a\u5143\u7d20\u8282\u70b9\u5305\u542b\u6587\u672c\u3002
\n\u4e0d\u8fc7\uff0c\u5143\u7d20\u8282\u70b9\u7684\u6587\u672c\u662f\u5b58\u50a8\u5728\u6587\u672c\u8282\u70b9\u4e2d\u7684\u3002
\n\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff1a<year>2005<\/year>\uff0c\u5143\u7d20\u8282\u70b9 <year>\uff0c\u62e5\u6709\u4e00\u4e2a\u503c\u4e3a “2005” \u7684\u6587\u672c\u8282\u70b9\u3002
\n“2005” \u4e0d\u662f <year> \u5143\u7d20\u7684\u503c\uff01<\/p>\n

DOM \u89e3\u6790\u4e2d\u7684\u6d4f\u89c8\u5668\u5dee\u5f02
\n1\u3001\u52a0\u8f7d XML \u7684\u65b9\u5f0f http:\/\/www.w3school.com.cn\/xmldom\/dom_parser.asp<\/a>
\n\u5fae\u8f6f\uff08ActiveXObject\uff09\u548c\u5176\u5b83\u6d4f\u89c8\u5668\u5185\u5efa\u4e0d\u540c\u7684XML\u89e3\u6790\u5668\u3002
\nfunction loadXMLDoc(dname)
\n{
\ntry \/\/Internet Explorer
\n\u00a0 {
\n\u00a0 xmlDoc=new ActiveXObject(“Microsoft.XMLDOM”);
\n\u00a0 }
\ncatch(e)
\n\u00a0 {
\n\u00a0 try \/\/Firefox, Mozilla, Opera, etc.
\n\u00a0\u00a0\u00a0 {
\n\u00a0\u00a0\u00a0 xmlDoc=document.implementation.createDocument(“”,””,null);
\n\u00a0\u00a0\u00a0 }
\n\u00a0 catch(e) {alert(e.message)}
\n\u00a0 }
\ntry
\n\u00a0 {
\n\u00a0 xmlDoc.async=false;
\n\u00a0 xmlDoc.load(dname); \/\/ \u6ce8\u610fload\u548cloadXML\u65b9\u6cd5\u7684\u533a\u522b
\n\u00a0 return(xmlDoc);
\n\u00a0 }
\ncatch(e) {alert(e.message)}
\nreturn(null);
\n}<\/p>\n

2\u3001\u5904\u7406\u7a7a\u767d\u548c\u6362\u884c\u7684\u65b9\u5f0f http:\/\/www.w3school.com.cn\/xmldom\/dom_mozilla_vs_ie.asp<\/a>
\nFirefox\uff0c\u4ee5\u53ca\u5176\u4ed6\u4e00\u4e9b\u6d4f\u89c8\u5668\uff0c\u4f1a\u628a\u7a7a\u7684\u7a7a\u767d\u6216\u6362\u884c\u4f5c\u4e3a\u6587\u672c\u8282\u70b9\u6765\u5904\u7406\uff0c\u800c Internet Explorer \u4e0d\u4f1a\u8fd9\u6837<\/p>\n

\u3002<\/p>\n

\u7531\u4e8e Attr \u5bf9\u8c61\u4e5f\u662f\u4e00\u79cd\u8282\u70b9\uff0c\u56e0\u6b64\u5b83\u7ee7\u627f Node \u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4e0d\u8fc7\u5c5e\u6027\u65e0\u6cd5\u62e5\u6709\u7236\u8282\u70b9\uff0c\u540c\u65f6\u5c5e\u6027<\/p>\n

\u4e5f\u4e0d\u88ab\u8ba4\u4e3a\u662f\u5143\u7d20\u7684\u5b50\u8282\u70b9\uff0c\u5bf9\u4e8e\u8bb8\u591a Node \u5bf9\u8c61\u7684\u5c5e\u6027\u6765\u8bf4\u90fd\u5c06\u8fd4\u56de null\u3002\u4f7f\u7528ownerElement \u5c5e\u6027\u8fd4<\/p>\n

\u56de attribute \u6240\u9644\u5c5e\u7684\u5143\u7d20\u8282\u70b9\u3002<\/p>\n

DOM Attribute List (Named Node Map)
\nxmlDoc=loadXMLDoc(“books.xml”);<\/p>\n

x=xmlDoc.getElementsByTagName(“book”)[0].attributes; \/\/ \u5c5e\u6027\u5217\u8868<\/p>\n

document.write(x.getNamedItem(“category”).nodeValue);
\ndocument.write(“<br \/>” + x.length);<\/p>\n","protected":false},"excerpt":{"rendered":"

\/************************************************** \u00a0\u00a0\u00a0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-447","post","type-post","status-publish","format-standard","hentry","category-dom"],"_links":{"self":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=447"}],"version-history":[{"count":3,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/447\/revisions"}],"predecessor-version":[{"id":450,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/447\/revisions\/450"}],"wp:attachment":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=447"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}