{"id":796,"date":"2010-10-01T11:45:41","date_gmt":"2010-10-01T11:45:41","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=796"},"modified":"2010-10-01T11:45:41","modified_gmt":"2010-10-01T11:45:41","slug":"ajax-xmldom-firefox","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2010\/10\/01\/ajax-xmldom-firefox\/","title":{"rendered":"ajax – XMLDom – Firefox"},"content":{"rendered":"

Firefox<\/strong>\u4e2d\u7684<\/strong>XML DOM<\/strong><\/span><\/p>\n

1, \u521b\u5efa<\/strong>
\nvar oXmlDom = document.implementation.createDocument(“”, “books”, null);? \/\/\u521b\u5efa\u4e86\u4e00\u4e2aXML DOM\uff0c\u5176documentElement\u662f<books\/>
\nFirefox\u4e2d\u521b\u5efa\u4e00\u4e2aXML DOM\uff0c\u9700\u8981\u8c03\u7528document.implementation\u5bf9\u8c61\u7684createDocument()\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u5305\u542b\u6587\u6863\u6240\u4f7f\u7528\u7684\u547d\u540d\u7a7a\u95f4URI\u7684\u5b57\u7b26\u4e32\uff1b\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5305\u542b\u6587\u6863\u6839\u5143\u7d20\u540d\u79f0\u7684\u5b57\u7b26\u4e32\uff1b\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u8981\u521b\u5efa\u7684\u6587\u6863\u7c7b\u578b\uff08\u4e5f\u79f0\u4e3adoctype\uff09,\u4e8b\u5b9e\u4e0a\uff0c\u73b0\u5728Firefox\u4e2d\u5e76\u4e0d\u63d0\u4f9b\u9488\u5bf9\u6587\u6863\u7c7b\u578b\u7684JavaScript\u652f\u6301\uff0c\u6240\u4ee5\u7b2c\u4e09\u4e2a\u53c2\u6570\u603b\u662f\u4e3anull<\/p>\n

2,\u8f7d\u5165XML\u6570\u636e
\n<\/strong>(1) \u5c06XML\u8f7d\u5165XML DOM\u7684\u65b9\u6cd5\u548c\u5fae\u8f6f\u91c7\u7528\u7684\u65b9\u6cd5\u5927\u81f4\u76f8\u540c\uff0c\u53ea\u5b58\u5728\u4e00\u4e2a\u663e\u8457\u533a\u522b\uff1aFirefox\u53ea\u652f\u6301load()\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u4e24\u79cd\u6d4f\u89c8\u5668\u4e2d\u8f7d\u5165\u5916\u90e8XML\u6570\u636e\u7684\u4ee3\u7801\u662f\u76f8\u540c\u7684\uff1a<\/p>\n

oXmlDom.load(“books.xml”);<\/p>\n

(2) Firefox\u4e0d\u652f\u6301readyState\u5c5e\u6027\u53caonreadystatechange\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002\u5728Firefox\u4e2d\uff0c\u652f\u6301load\u4e8b\u4ef6\u548conload\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002\u5728\u6587\u6863\u5b8c\u5168\u8f7d\u5165\u540e\u5c06\u89e6\u53d1load\u4e8b\u4ef6\uff1a<\/p>\n

oXmlDom.load(“books.xml”);<\/p>\n

oXmlDom.onload = function () {<\/p>\n

??? \/\/\u6587\u6863\u5b8c\u5168\u8f7d\u5165\u540e\u7684\u64cd\u4f5c<\/p>\n

};<\/p>\n

(3)\u5728Firefox\u7684XML DOM\u5b9e\u73b0\u4e2d\uff0c\u5e76\u6ca1\u6709loadXML()\u65b9\u6cd5\uff0c\u4e0d\u8fc7\u901a\u8fc7Firefox\u4e2d\u7684DOMParser\u7c7b\u53ef\u4ee5\u6a21\u62dfloadXML()\u7684\u884c\u4e3a\u3002\u8be5\u7c7b\u6709\u4e00\u4e2a\u540d\u4e3aparseFromString()\u7684\u65b9\u6cd5\uff0c\u7528\u6765\u8f7d\u5165\u5b57\u7b26\u4e32\u5e76\u89e3\u6790\u6210\u6587\u6863\uff1a<\/p>\n

var sXml = “<root><person><name>Jeremy McPeak<\/name><\/person><\/root>”;<\/p>\n

var oParser = new DOMParser();<\/p>\n

var oXmlDom = oParser.parseFromString(sXml,”text\/xml”);<\/p>\n


\n3,\u83b7\u53d6\u6570\u636e
\n<\/strong>\uff081\uff09IE\u548cFirefox\u4e2d\u7528\u4e8e\u83b7\u53d6\u6587\u6863\u4e2dXML\u6570\u636e\u7684\u5927\u591a\u6570\u5c5e\u6027\u548c\u65b9\u6cd5\u662f\u4e00\u81f4\u7684,<\/p>\n

Firefox\u540c\u6837\u652f\u6301W3C\u6807\u51c6\u5c5e\u6027\uff0c\u5305\u62ecchildNodes\u3001firstChild\u3001lastChild\u3001nextSibling\u3001nodeName\u3001nodeType\u3001nodeValue\u3001ownerDocument\u3001parentNode\u548cpreviousSibling\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u5bf9\u4e8e\u5fae\u8f6f\u4e13\u6709\u7684text\u548cxml\u5c5e\u6027\uff0cFirefox\u5e76\u4e0d\u652f\u6301\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u5229\u7528\u5176\u4ed6\u65b9\u6cd5\u6765\u6a21\u62df\u8be5\u5c5e\u6027\u7684\u884c\u4e3a\u3002\u5982\uff1a<\/p>\n

function getText(oNode) {<\/p>\n

??? var sText = “”;<\/p>\n

??? for (var i = 0; i < oNode.childNodes.length; i++) {<\/p>\n

?????? if (oNode.childNodes[i].hasChildNodes()) {<\/p>\n

?????????? sText += getText(oNode.childNodes[i]);<\/p>\n

?????? } else {<\/p>\n

?????????? sText += oNode.childNodes[i].nodeValue;<\/p>\n

?????? }<\/p>\n

??? }<\/p>\n

??? return sText;<\/p>\n

}<\/p>\n

\uff082\uff09\u5e8f\u5217\u5316<\/p>\n

IE\u4e2d\u7684xml\u5c5e\u6027\u5c06\u5b58\u653e\u5bf9\u5f53\u524d\u8282\u70b9\u5305\u542b\u7684\u6240\u6709XML\u8fdb\u884c\u5e8f\u5217\u5316\u7684\u7ed3\u679c\u3002\u5728Firefox\u4e2d\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3aXMLSerializer\u5bf9\u8c61\u6765\u5b8c\u6210\u8fd9\u4e00\u529f\u80fd\u3002\u8be5\u5bf9\u8c61\u63d0\u4f9b\u4e00\u4e2a\u4f7f\u7528JavaScript\u53ef\u8bbf\u95ee\u7684serializeToString()\u65b9\u6cd5\uff0c\u4f7f\u7528\u8be5\u65b9\u6cd5\u53ef\u4ee5\u5bf9XML\u6570\u636e\u8fdb\u884c\u5e8f\u5217\u5316\u3002<\/p>\n

function serializeXml(oNode) {<\/p>\n

??? var oSerializer = new XMLSerializer();<\/p>\n

??? return oSerializer.serializeToString(oNode);<\/p>\n

}<\/p>\n

serializeXml()\u51fd\u6570\u4ee5XML\u8282\u70b9\u4f5c\u4e3a\u53c2\u6570\uff0c\u521b\u5efa\u4e00\u4e2aXMLSerializer\u5bf9\u8c61\uff0c\u5e76\u5c06\u8be5\u8282\u70b9\u4f20\u7ed9serializeToString()\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u5c06\u5411\u8c03\u7528\u8005\u8fd4\u56deXML\u6570\u636e\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002<\/p>\n

\uff083\uff09\u5bf9\u4e8e\u8282\u70b9\u64cd\u4f5c\u7684DOM\u65b9\u6cd5\uff0cFirefox\u4e0eIE\u5927\u81f4\u76f8\u540c<\/p>\n

4\uff0c\u6355\u83b7\u9519\u8bef<\/strong><\/span><\/p>\n

\uff081\uff09\u5f53Firefox\u9047\u5230\u9519\u8bef\u65f6\uff0c\u5b83\u4f1a\u5c06\u5305\u542b\u9519\u8bef\u4fe1\u606f\u7684XML\u6587\u6863\u8f7d\u5165\u5230XML DOM\u6587\u6863\u4e2d\uff0c\u5f53\u8f7d\u5165\u9519\u8bef\u7684XML\u65f6\uff0cXML DOM\u5bf9\u8c61\u5c06\u4f1a\u8f7d\u5165\u4e00\u4e2adocumentElement\u4e3a<parsererror\/>\u7684\u9519\u8bef\u6587\u6863\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5documentElement\u7684tagName\u5c5e\u6027\u6765\u786e\u5b9a\u662f\u5426\u53d1\u751f\u9519\u8bef\u3002\u5982\u679ctagName\u5c5e\u6027\u4e0d\u662fparsererror\uff0c\u5c31\u53ef\u4ee5\u786e\u5b9a\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u9519\u8bef\u3002<\/p>\n

if (oXmlDom.documentElement.tagName != “parsererror”) {<\/p>\n

??? \/\/\u6ca1\u6709\u9519\u8bef\u53d1\u751f\uff0c\u8fdb\u884c\u6240\u9700\u64cd\u4f5c<\/p>\n

} else {<\/p>\n

??? alert(“An Error Occurred”);<\/p>\n

}<\/p>\n

\uff082\uff09\u9519\u8bef\u4fe1\u606f\u7684\u63d0\u53d6<\/p>\n

\u9519\u8bef\u4fe1\u606f\u90fd\u5305\u542b\u5728\u9519\u8bef\u6587\u6863\u7684\u6587\u672c\u4e2d\u3002\u5982\u679c\u8981\u901a\u8fc7\u7a0b\u5e8f\u4f7f\u7528\u8fd9\u4e9b\u9519\u8bef\u4fe1\u606f\uff0c\u90a3\u4e48\u9996\u5148\u5c31\u8981\u5bf9\u5176\u8fdb\u884c\u89e3\u6790\u3002\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u7a0d\u957f\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n

var reError = \/>([\\s\\S]*?)Location:([\\s\\S]*?)Line Number (\\d+), Column<\/p>\n

??? (\\d+):<sourcetext>([\\s\\S]*?)(?:\\-*\\^)\/;<\/p>\n

\u8be5\u6b63\u5219\u8868\u8fbe\u5f0f\u5c06\u9519\u8bef\u6587\u6863\u5206\u4e3a\u4e94\u4e2a\u90e8\u5206\uff1a\u9519\u8bef\u6d88\u606f\u3001\u53d1\u751f\u9519\u8bef\u7684\u6587\u4ef6\u540d\u3001\u884c\u53f7\u3001\u8be5\u884c\u4e2d\u53d1\u751f\u9519\u8bef\u7684\u4f4d\u7f6e\uff0c\u4ee5\u53ca\u53d1\u751f\u9519\u8bef\u7684\u6e90\u4ee3\u7801\u3002\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8c61\u7684test()\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u4fe1\u606f\uff1a<\/p>\n

if (oXmlDom.firstChild.tagName != “parsererror”) {<\/p>\n

??? \/\/\u6ca1\u6709\u9519\u8bef\u53d1\u751f\uff0c\u8fdb\u884c\u6240\u9700\u64cd\u4f5c<\/p>\n

} else {<\/p>\n

??? var oXmlSerializer = new XMLSerializer();<\/p>\n

??? var sXmlError = oXmlSerializer.serializeToString(oXmlDom);<\/p>\n

??? var reError = \/>([\\s\\S]*?)Location:([\\s\\S]*?)Line Number (\\d+), Column<\/p>\n

?????? (\\d+):<sourcetext>([\\s\\S]*?)(?:\\-*\\^)\/;<\/p>\n

??? reError.test(sXmlError);<\/p>\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u6355\u83b7\u5230\u7684\u7b2c\u4e00\u90e8\u5206\u6570\u636e\u662f\u9519\u8bef\u6d88\u606f\uff0c\u7b2c\u4e8c\u90e8\u5206\u662f\u6587\u4ef6\u540d\uff0c\u7b2c\u4e09\u90e8\u5206\u662f\u884c\u53f7\uff0c\u7b2c\u56db\u90e8\u5206\u662f\u884c\u5185\u4f4d\u7f6e\uff0c\u7b2c\u4e94\u90e8\u5206\u662f\u6e90\u7801\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Firefox\u4e2d\u7684XML DOM 1, \u521b\u5efa var oXmlDom = document.implement […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-796","post","type-post","status-publish","format-standard","hentry","category-ajax"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=796"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/796\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}