Maison > Article > développement back-end > Le traitement XML par FireFox est compatible avec la méthode de traitement des nœuds d'IE
Rendre le traitement XML de Firefox compatible avec la méthode de traitement des nœuds d'IE. Les codes spécifiques sont répertoriés ci-dessous.
Le code spécifique est le suivant.
<! 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 >
Comme vous pouvez le voir dans l'exemple, la prise en charge d'IE pour XPath est encore limitée.
Ce qui précède est le contenu du traitement XML par FireFox qui est compatible avec la méthode de traitement des nœuds d'IE. Pour plus de contenu connexe, veuillez faire attention au site Web PHP chinois (www.php.cn) !