Question

我有一个XML，我没有找到解析它的方法（阅读里面的数据）

<Saa:Header>
        <Saa:Message>
            <Saa:SenderReference> data
             </Saa:SenderReference>
       </Saa:Message>
        <Saa:Message>
            <Saa:SenderReference> data
             </Saa:SenderReference>
       </Saa:Message>
  </Saa:Header>

我使用as3语言

Answer 1

The XML class is the way.

[it]包含使用XML对象的方法和属性。 XML类（以及XMLList，Namespace和QName类）实现了ECMAScript for XML（E4X）规范（ECMA-357第2版）中定义的强大的XML处理标准。

Answer 2

在您的问题（假设您的data是一个字符串）中使用您的示例，您可以按照以下方式执行某些操作：

//your xml needs a namespace identifier to be valid
//I've added one on the header node. 
//Likely if you're consuming this xml from some third party, the namespace declaration will be on root node.
var myXML = <Saa:Header xmlns:Saa="urn:swift:saa:xsd:saa.2.0" >
        <Saa:Message>
            <Saa:SenderReference> data
             </Saa:SenderReference>
       </Saa:Message>
        <Saa:Message>
            <Saa:SenderReference> data
             </Saa:SenderReference>
       </Saa:Message>
  </Saa:Header>;

//create a reference to the `Saa` namespace that prefixes all your xml nodes
var saaNamespace:Namespace = new Namespace("urn:swift:saa:xsd:saa.2.0");

//tell AS3 to use that namespace by default
default xml namespace = saaNamespace;

//basically an array of all the SenderReference nodes in the entire xml
var xmlList:XMLList = myXML..SenderReference; 

//This line will give the same results as the line above, but if there were SenderReference nodes somewhere else in the document that weren't under Message nodes, they would not be included (unlike above)
xmlList = myXML.Message.SenderReference; 

//iterate through all the SenderReference nodes
for(var i:int=0;i<xmlList.length();i++){
    trace("Node #" + (i+1) + ":",xmlList[i]);
}

有很多方法可以从AS3中获取您想要的数据，这是一篇好文章is this one from senocular。

使用as3解析自定义XML

2 个答案: