Usually we have the following requirements:
1.0 We need to read relational data in js, our first choice isxml file, but how do we read it? Here is the solution...
Step one:
We can define One method: (As long as someone calls it, it will directly return to the parser)
function parseXML(file){ try //Internet Explorer---ie浏览器的解析器创建方式如下: { xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); } catch (e) { try //Firefox, Mozilla, Opera, etc. 火狐等浏览器的创建方式。 { xmlDoc = document.implementation.createDocument("", "", null); } catch (e) { alert(e.message); return; //如果创建不成功,就直接返回,不往下走。 } } xmlDoc.async = false; xmlDoc.load(file); return xmlDoc; //返回创建好的解析器,传给调用者。 }
Second step:
In js Call the method directly to get the parser:
<script language="JavaScript"> window.onload = function(){ var xmlDoc = parseXML("file.xml"); //调用上面我们定义的方法,给方法一个参数,参数就是你要解析的xml文件,得到这个文件的对象,也就相当于把xml文件包装成了一个document。 } </script>
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