小编给大家分享一下FireFox对XML处理兼容IE节点的示例分析,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
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具体代码如下。
<! DOCTYPE Html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > < HTML > < HEAD > < TITLE > 使firefox对xml的处理兼容IE的selectSingleNode selectNodes方法 </ TITLE > < META NAME ="Author" CONTENT ="emu" > < META NAME ="KeyWords" CONTENT ="firefox IE selectSingleNode selectNodes" > < META NAME ="Description" CONTENT ="使firefox可以支持selectSingleNode selectNodes方法" > < SCRIPT LANGUAGE ="javascript" > <!-- var isIE = !! document.all; function parseXML(st){ if (isIE){ var result = new ActiveXObject( " microsoft.XMLDOM " ); result.loadXML(st); } else { var parser = new DOMParser(); var result = parser.parseFromString(st, " text/xml " ); } return result; } if ( ! isIE){ var ex; XMLDocument.PRototype.__proto__.__defineGetter__( " xml " , function (){ try { return new XMLSerializer().serializeToString( this ); } catch (ex){ var d = document.createElement( " div " ); d.appendChild( this .cloneNode( true )); return d.innerHTML; } }); Element.prototype.__proto__.__defineGetter__( " xml " , function (){ try { return new XMLSerializer().serializeToString( this ); } catch (ex){ var d = document.createElement( " div " ); d.appendChild( this .cloneNode( true )); return d.innerHTML; } }); XMLDocument.prototype.__proto__.__defineGetter__( " text " , function (){ return this .firstChild.textContent }); Element.prototype.__proto__.__defineGetter__( " text " , function (){ return this .textContent }); XMLDocument.prototype.selectSingleNode = Element.prototype.selectSingleNode = function (XPath){ var x = this .selectNodes(xpath) if ( ! x x.length < 1 ) return null ; return x[ 0 ]; } XMLDocument.prototype.selectNodes = Element.prototype.selectNodes = function (xpath){ var xpe = new XPathEvaluator(); var nsResolver = xpe.createNSResolver( this .ownerDocument == null ? this .documentElement : this .ownerDocument.documentElement); var result = xpe.evaluate(xpath, this , nsResolver, 0 , null ); var found = []; var res; while (res = result.iterateNext()) found.push(res); return found; } } var x = parseXML( " <people> <person first-name=\ " eric\ " middle-initial=\ " H\ " last-name=\ " jung\ " > <address street=\ " 321 south st\ " city=\ " denver\ " state=\ " co\ " country=\ " usa\ " /> <address street=\ " 123 main st\ " city=\ " arlington\ " state=\ " ma\ " country=\ " usa\ " /> </person> <person first-name=\ " jed\ " last-name=\ " brown\ " > <address street=\ " 321 north st\ " city=\ " atlanta\ " state=\ " ga\ " country=\ " usa\ " /> <address street=\ " 123 west st\ " city=\ " seattle\ " state=\ " wa\ " country=\ " usa\ " /> <address street=\ " 321 south avenue\ " city=\ " denver\ " state=\ " co\ " country=\ " usa\ " /> </person></people> " ); alert( " 搜索所有人的姓氏(last-name) " ) var results = x.selectNodes( " //person/@last-name " ); for ( var i = 0 ; i < results.length;i ++ ) alert( " Person # " + i + " has the last name " + results[i].nodeValue); alert( " 搜索第二个人 " ); // IE是以0为下标基数的,而不是1 if ( ! document.all) results = x.selectSingleNode( " /people/person[2] " ); else results = x.selectSingleNode( " /people/person[1] " ); alert(results.xml) alert( " 获得住址在donver街上的人 " ); results = x.selectNodes( " //person[address/@city='denver'] " ); for ( var i = 0 ; i < results.length;i ++ )alert(results[i].xml) if ( ! document.all){ // 获得所有街名中带south的地址 results = x.selectNodes( " //address[contains(@street, 'south')] " ); alert(results[ 0 ].xml); } else { alert( " IE不支持 //address[contains(@street, 'south')] 这种查询方式 " ) } // --> </ SCRIPT > </ HEAD > < BODY > </ BODY > </ HTML >
从例子可以看到,IE对xpath的支持还是有限度的。
以上是“FireFox对XML处理兼容IE节点的示例分析”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注创新互联行业资讯频道!
文章标题:FireFox对XML处理兼容IE节点的示例分析
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