本文实例讲述了JS实现兼容各浏览器解析XML文档数据的方法。分享给大家供大家参考。具体分析如下：
网站上很多用JS解析XML文档的资料或多或少都有点问题，
以下是自己总结的代码，用来解析XML文档，兼容各个浏览器。
parseXMLDOM.js代码：
/*
* 纯JS解析XML文档(兼容各个浏览器)
*/
function parseXMLDOM(){
var _browserType = "";
var _xmlFile = "";
var _XmlDom = null;
return {
"getBrowserType" : function(){
return _browserType;
},
"setBrowserType" : function(browserType){
_browserType = browserType;
},
"getXmlFile" : function(){
return _xmlFile;
},
"setXmlFile" : function(xmlFile){
_xmlFile = xmlFile;
},
"getXmlDom" : function(){
return _XmlDom;
},
"setXmlDom" : function(XmlDom){
_XmlDom = XmlDom;
},
"getBrowserType" : function(){
var browserType = "";
if(navigator.userAgent.indexOf("MSIE") != -1){
browserType = "IE";
}else if(navigator.userAgent.indexOf("Chrome") != -1){
browserType = "Chrome";
}else if(navigator.userAgent.indexOf("Firefox") != -1){
browserType = "Firefox"
}
return browserType;
},
"createXmlDom" : function(xmlDom){
if(this.getBrowserType() == "IE"){//IE浏览器
xmlDom = new ActiveXObject('Microsoft.XMLDOM');
xmlDom.async = false;
xmlDom.load(this.getXmlFile());
}else{
var xmlhttp = new XMLHttpRequest();
xmlhttp.open("GET", this.getXmlFile(), false);
xmlhttp.send(null);
xmlDom = xmlhttp.responseXML;
}
return xmlDom;
},
"parseXMLDOMInfo" : function(){
var xmlDom = this.getXmlDom();
if(this.getBrowserType() == "IE"){
var bookObj = xmlDom.selectNodes("books/book");
if(typeof(bookObj) != "undifined"){
var strHtml="";
for(var i = 0; i < bookObj.length; i++){
strHtml += bookObj[i].selectSingleNode("isbn").text;
strHtml += " ";
strHtml += bookObj[i].selectSingleNode("price").text;
strHtml += " ";
strHtml += bookObj[i].selectSingleNode("title").text;
if(i != bookObj.length - 1){
strHtml += "<br>";
}
}
}
}else{
var book = xmlDom.getElementsByTagName("book");
var strHtml="";
for(var i = 0;i < book.length;i++){
strHtml += book[i].getElementsByTagName("isbn")[0].textContent;
strHtml += " ";
strHtml += " ";
strHtml += book[i].getElementsByTagName("price")[0].textContent;
strHtml += " ";
strHtml += book[i].getElementsByTagName("title")[0].textContent;
if(i != book.length - 1){
strHtml += "<br>";
}
}
}
document.getElementById("msg").innerHTML = strHtml;
}
}
}
window.onload = function(){
var parseObj = new parseXMLDOM();
//设置浏览器类型
parseObj.setBrowserType(parseObj.getBrowserType());
//设置文件路径
parseObj.setXmlFile("test.xml");
//创建XMLDOM
parseObj.setXmlDom(parseObj.createXmlDom(null));
//解析XMLDOM
parseObj.parseXMLDOMInfo();
}
index.html代码：
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JS解析XML文档中的数据(兼容所有浏览器)</title> <script language="javascript" type="text/javascript" src="/UploadFiles/2021-04-02/parseXMLDOM.js">test.xml代码：
<"1.0" encoding="UTF-8"?> <books> <book> <isbn>2207-1258-123</isbn> <price>25</price> <title>Javascript</title> </book> <book> <isbn>2207-1258-456</isbn> <price>50</price> <title>Ajax</title> </book> <book> <isbn>2207-1258-789</isbn> <price>75</price> <title>C#</title> </book> </books>希望本文所述对大家的javascript程序设计有所帮助。
标签：
JS,兼容,浏览器,解析XML
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