Html 如何在主窗口中打开嵌入的 SVG 文件中的链接，而不是在单独的对象中
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How to make links in an embedded SVG file open in the main window, not in a separate object
提问by mojones
I have an SVG file (generated by Graphviz) that contains URL links. I would like these links to be clickable. First I tried
我有一个包含 URL 链接的 SVG 文件（由Graphviz生成）。我希望这些链接可以点击。首先我试过
<img src="path/to/my.svg"/>
which displays the image fine but the links are not clickable. Changing to object:
显示图像很好，但链接不可点击。更改为对象：
<object data="/path/to/my.svg" type="image/svg+xml">
makes the links clickable, but when the user clicks on them, the new page opens inside the object. Is there any way that I can make the links open in the main window?
使链接可点击，但当用户点击它们时，新页面会在对象内打开。有什么办法可以让链接在主窗口中打开？
This is using firefox 5.0, but if there are any cross-browser differences you know about I would appreciate the warning!
这是使用 Firefox 5.0，但如果您知道任何跨浏览器差异，我将不胜感激！
回答by Spadar Shut
First, if you embed SVG as <img>, browsers won't open links, as well as they wont run scripts inside <img>, because, well, you embed an image, and very probably your image may appear inside an <a>, and you can't put links inside links.
首先，如果您嵌入SVG的<img>，浏览器不会打开链接，以及他们不会内运行脚本<img>，因为，你嵌入一个图片，也很可能是你的图像可能会出现内部的<a>，你不能把链接内部链接。
And to make links open in new tabs, you can use either the targetattribute, like in HTML, or xlink-specific xlink:showattribute with the value new. The SVG spec saysthe following:
并且要在新选项卡中打开链接，您可以使用target属性（如在 HTML 中）或 xlink 特定的xlink:show属性，其值为new。SVG 规范说明如下：
[xlink:show] attribute is provided for backwards compatibility with SVG 1.1. It provides documentation to XLink-aware processors. In case of a conflict, the target attribute has priority, since it can express a wider range of values.
提供 [xlink:show] 属性是为了与 SVG 1.1 向后兼容。它为支持 XLink 的处理器提供文档。在发生冲突的情况下，目标属性具有优先权，因为它可以表达更广泛的值。
And the values of the targetattribute can be:
并且target属性的值可以是：
- _replace
- _self
- _parent
- _top
- _blank
- _代替
- _自己
- _父母
- _最佳
- _空白的
Thus, in your SVG you need to write as follows:
因此，在您的 SVG 中，您需要按如下方式编写：
<a xlink:href="http://example.com" target="_blank">[...]</a>
But currently all browsers capable of showing SVG support both xlink:showand targetattributes (I haven't tested in IE9 though).
但是目前所有能够显示 SVG 的浏览器都支持xlink:show和target属性（不过我还没有在 IE9 中测试过）。
