Stop WWW download before it ends

最新推荐文章于 2023-05-24 15:54:47 发布

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最新推荐文章于 2023-05-24 15:54:47 发布

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分类专栏： unity 文章标签： download video stream null file class

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本文讨论了在Unity中使用WWW类进行文件下载时如何正确地取消未完成的下载任务，特别是在频道切换场景下避免资源浪费的问题。文中提供了具体的代码示例，包括如何通过Dispose方法停止下载以及在使用协程时如何终止特定的协程。

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问:

I have a scene with a virtual TV which stream video file on a server. And when I change channel the previous download made with the WWW class still continue to download the file. So after a few time I have 3 or 4 video file donloading even if I use juste the last one.
It is possible to stop the download when I want a sort of WWW.Stop ?

答by the_gnoblin ：

WWW _download;

StopCoroutine("Loading");

if (_download != null)
{
_download.Dispose();
_download = null;
}

答2：

There's no such coroutine named "Loading" created automatically when you start WWW download. No coroutines in Unity are created automatically. You have to create them explicitly via StartCoroutine calls.

gnoblin used his StopCoroutine line just as an example to illustrate what to do if you use coroutine to download stuff. ONLY THEN you'd issue the StopCoroutine call.

If you don't use coroutines - then just do wwwObj.Dispose call, no need to do StopCoroutine