i 想要获得尿素的延伸档案。
for example get extension http://www.iranfairco.com/download-file/02912bb889cb24. if extension this file is gif.
http://www.un.org。
for example this url "http://www.online-convert.com/result/d8b423c3cbc05000cc52ce7015873e72"
请帮助我如何能够扩大这一ur?
为什么 Path.GetExtension 你们不工作?
EDIT
Ah, so your url doesn t specify the extension you are after. That means anything could be behind it.
仅通过检查这艘船的扼杀价值,你就可以看看看它背后什么。 阁下(第二)对案卷(最后)的点,但也可以是案卷(甚至.)。
You will need to do a webrequest to see what you get back. Usually you could try a HEAD to get just the headers (and inspect the content type), but I don t think that will work here. Try Fiddler to see what you get back, then you can refine your question.
如下:
rel=“nofollow” http://www.java2s.com/Code/CSharp/Network/GetHTTPResponseheaders.htm
你将有兴趣做出回应。 给你像“im/if”一样的图像
审判
string path = @"http://www.iranfairco.com/download-file/02912bb889cb24.gif";
string e = Path.GetExtension(path );
看来,“URL”可能与一个网页连接,下载文件。
<代码>02912bb889cb24或许是该文档的一个数据库参考资料。
因此,如果无法利用该系统的任何预报,我根本不认为它有可能为通过URL系统查阅的档案延期。
你们只能把脚.分开。 在返回的阵列中最后摆放。
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