[转]ASP.NET MVC 入门10、Action Filter 与 内置的Filter实现(实例-防盗链)
前一篇中我们已经了解了Action Filter 与 内置的Filter实现,现在我们就来写一个实例。就写一个防盗链的Filter吧。
首先继承自FilterAttribute类同时实现IActionFilter接口,代码如下:
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然后我们建立一个用于处理文件请求的Controller,并应用上我们刚才建立的Filter:
{
[AntiOutSiteLink(FileType.Image)]
public ActionResult Image(string file)
{
return Content("Image From 4mvc");
}
[AntiOutSiteLink(FileType.File)]
public ActionResult File(string file)
{
return Content("File From 4mvc");
}
}
简单测试一下:
对于ActionFilter的应用是很广泛的,这需要你的灵活运用。对于其他应用,你可以参考我之前翻译的ASP.NET MVC Action Filter - 缓存与压缩 这一篇文章。