Html 使用javascript加载xml文件
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Load xml file using javascript
提问by user2281107
Nothing gets printed on the web page when I try to open an HTML file having javascript. The script inside the html code loads the xml file and tries to print some element data. I have pasted the code below. Sadly no data of file gets printed. I have used browsers IE8 and Chrome. Please let me know what is the issue.
当我尝试打开带有 javascript 的 HTML 文件时，网页上没有打印任何内容。html 代码中的脚本加载 xml 文件并尝试打印一些元素数据。我已经粘贴了下面的代码。遗憾的是没有打印文件数据。我使用过浏览器 IE8 和 Chrome。请让我知道是什么问题。
<!DOCTYPE html>
<html>
<head>
<script>
function loadXMLDoc(dname)
{
if (window.XMLHttpRequest)
{
xhttp=new XMLHttpRequest();
}
else
{
xhttp=new ActiveXObject("Microsoft.XMLDOM");
}
xhttp.open("GET",dname,false);
xhttp.send();
return xhttp.responseXML;
}
</script>
</head>
<body>
<script>
xmlDoc=loadXMLDoc("file:///E:/Parser/book.xml");
document.write(xmlDoc.getElementsByTagName("title")[0].childNodes[0].nodeValue + " <br>");
document.write(xmlDoc.getElementsByTagName("authors")[0].childNodes[0].nodeValue + "<br>");
</script>
</body>
</html>
回答by Amith
You can't open a local file using ajax
ajax无法打开本地文件
xmlDoc=loadXMLDoc("file:///E:/Parser/book.xml");
this can't be performed because JavaScript running in a web browser does not have access to the local filesystem. That would a huge security risk.
无法执行此操作，因为在 Web 浏览器中运行的 JavaScript 无法访问本地文件系统。这将带来巨大的安全风险。
