当前位置: 首页 > 图文教程 > XML家族 > XML > 使Firefox对XML的处理兼容IE的节点处理方法

XML
WML学习之七 CGI编程
WAP建站WML语言语法基础教程
WML语法大全与相关介绍
非常不错的WAP常见问题问答大全(二)
WML语言的基本情况
WML开发教程之 WAP网站服务器配置方法
WMLScript的语法基础
收集的WML Script标准函数库
WML教程之文本框控件Input
WMLScript脚本程序设计
WML的简单例子及编辑、测试方法
初试WAP之wml＋ASP查询
无线标记语言(WML)基础之WMLScript 基础
xml文件的结构解读
关于XSL - XSL教程
选择模式 - XSL教程 - 2
XPath入门 - XSL教程 - 3
匹配模式 - XSL教程 - 4
测试模式 - XSL教程 - 5
三十分钟掌握STL-教程

No. « 18 19 20 21 »

技术文章搜索

关键字

使Firefox对XML的处理兼容IE的节点处理方法

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2010-01-03   浏览: 163 ::
收藏到网摘: n/a

使Firefox对XML的处理兼容IE的节点处理方法。具体代码列出如下。

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( " " );
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 >

例子引自 。从例子可以看到，IE对xpath的支持还是有限度的。