Actionscript 3 E4X使用XML中的名称空间值 [英] Actionscript 3 E4X working with namespace values in XML

问题描述

我正在使用动作脚本3构建应用程序.我正在从Web检索一些XML，但是节点名称是mms:Image mms:Results等，因为我不希望看到半冒号，所以我的动作脚本编译器抛出了错误.在节点名称中.如何访问节点?

I am building an application using Action script 3 I am retrieving some XML from the web however the node names are mms:Image mms:Results etc my action script compiler is throwing an error becuase it is not expecting to see the semi colon in the node name. How to I access the nodes?

谢谢

推荐答案

这些都是XML名称空间，使用起来很麻烦.在使用XML名称空间上查看Adobe文档.

Those are XML namespaces and they can be a pain to use. Have a look at the Adobe documentation on Using XML namespaces.

基本上，您必须获取名称空间:

Basically you have to get the namespace:

var mmsNS:Namespace = message.namespace("mms");

// alternatively for nested namespaces:

var mmsNS:Namespace = new Namespace("mms", " ... url of namespace ... ");

然后在要获取其应用于的节点时使用它:

And then use it when you want to get the nodes that it is applied to:

var data:XML = message.@mmsNS::Results;

如果您的所有xml都位于特定的命名空间中，则快捷方式是设置默认的命名空间:

A shortcut if all of your xml is in a particular namespace is to set the default namespace:

default xml namespace = mmsNs;

编辑:必须在XML片段内声明要访问的XML名称空间:

edit: The XML namespace you are trying to access must be declared within the XML fragment:

<root xmlns:mms="http://example.com/mms">
    <mms:someNode someAttr="someVal" />
</root>

查看 XML命名空间的w3c文档，以确保您的文档格式正确(甚至可以通过验证程序).

Have a look at the w3c docs for XML Namespaces to ensure your document is well-formed (maybe even pass it through a validator).

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