blocks|key|1723435|text|是的，你可以做到，但是......|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1723436|由于浏览器的安全原因，您不能通过代码清除浏览器的历史记录。|1723437|但是你可以使用文件操作删除浏览器“”目录下的所有文件和文件夹。|offset|length|style|BOLD|1723438|例如：Mozilla的默认缓存位置(隐藏)是"..AppData\Local\Mozilla\Firefox\Profiles\2nfq77n2.default\Cache“|1723439|How+to+delete+all+files+and+folders+in+a+directory?试试吧！|1723440|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/1288718/how-to-delete-all-files-and-folders-in-a-directory^0|0|0|H|E|0|0|2F|0|0|1J|0|1F|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|X|8|@$F|Y|G|Z|H|I]]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@$F|11|G|12|H|I]]|9|@]|A|$]]|$1|L|3|M|5|6|7|13|8|@$F|14|G|15|H|I]]|9|@$F|16|G|17|1|18]]|A|$]]|$1|N|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U]]]]

Yes you can do it But........

You can't clear a browser's history via code because of browsers security reasons.

But you can delete all the files and folders under browsers "cache" directory using
file operation.

eg. Mozilla's default cache location(hidden) is 
"..AppData\Local\Mozilla\Firefox\Profiles\2nfq77n2.default\Cache" 

<a href="https://stackoverflow.com/questions/1288718/how-to-delete-all-files-and-folders-in-a-directory">How to delete all files and folders in a directory?</a>
try it!

blocks|key|4319336|text|出于安全原因，我认为这是不可能的。您最多可以设置HTTP+header来告诉浏览器不要缓存页面，如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4319337|Cache-Control:+no-cache|code-block|syntax|javascript|4319338|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I don't think this would be possible due to security reasons .
At max you can set HTTP header to tell the browser not to chache your pages like this :

<pre><code>Cache-Control: no-cache
</code></pre>

blocks|key|1721164|text|不可能以编程方式清除浏览器的缓存，但是可以从应用程序中停止缓存。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1721165|下面的代码将帮助您禁用缓存并从应用程序中清除现有缓存：|1721166|public+static+void+DisablePageCaching()
{
++++//Used+for+disabling+page+caching
++++HttpContext.Current.Response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1));
++++HttpContext.Current.Response.Cache.SetValidUntilExpires(false);
++++HttpContext.Current.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
++++HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
++++HttpContext.Current.Response.Cache.SetNoStore();
}+|code-block|syntax|javascript|1721167|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

It is not possible to clear browser's cache programmatically, however you can stop caching from your application.

Below code will help you for disabling caching and clears existing cache from your application:

<pre><code>public static void DisablePageCaching()
{
 //Used for disabling page caching
 HttpContext.Current.Response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1));
 HttpContext.Current.Response.Cache.SetValidUntilExpires(false);
 HttpContext.Current.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
 HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
 HttpContext.Current.Response.Cache.SetNoStore();
} 
</code></pre>

blocks|key|4319357|text|使用此代码(C#)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4319358|public+static+void+DeleteFirefoxCache()
++++{
++++++++string+profilesPath+=+@"Mozilla\Firefox\Profiles";
++++++++string+localProfiles+=+Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),+profilesPath);
++++++++string+roamingProfiles+=+Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),+profilesPath);

++++++++if+(Directory.Exists(localProfiles))
++++++++{
++++++++++++var+profiles+=+Directory.GetDirectories(localProfiles).OfType<string>().ToList();
++++++++++++profiles.RemoveAll(prfl+=>+prfl.ToLowerInvariant().EndsWith("geolocation"));+//+do+not+delete+this+profile.

++++++++++++profiles.ForEach(delegate(string+path)+
++++++++++++{++++++++++++++++++++
++++++++++++++++var+files+=+Directory.GetFiles(path,+"*.*",+SearchOption.AllDirectories).ToList<string>();

++++++++++++++++foreach+(string+file+in+files)
++++++++++++++++{
++++++++++++++++++++if+(!Common.IsFileLocked(new+FileInfo(file)))
++++++++++++++++++++++++File.Delete(file);
++++++++++++++++}++++++++++++
++++++++++++});
++++++++}

++++++++if+(Directory.Exists(roamingProfiles))
++++++++{
++++++++++++var+profiles+=+Directory.GetDirectories(roamingProfiles).OfType<string>().ToList();

++++++++++++profiles.RemoveAll(prfl+=>+prfl.ToLowerInvariant().EndsWith("geolocation"));+//+do+not+delete+this+profile.
++++++++++++profiles.ForEach(delegate(string+path)
++++++++++++{
++++++++++++++++var+dirs+=+Directory.GetDirectories(path,+"*",+SearchOption.AllDirectories).OfType<string>().ToList();
++++++++++++++++dirs.ForEach(delegate(string+dir)+
++++++++++++++++{
++++++++++++++++++++var+files+=+Directory.GetFiles(dir,+"*.*",+SearchOption.AllDirectories).ToList<string>();

++++++++++++++++++++foreach+(string+file+in+files)
++++++++++++++++++++{
++++++++++++++++++++++++if+(!Common.IsFileLocked(new+FileInfo(file)))
++++++++++++++++++++++++++++File.Delete(file);
++++++++++++++++++++}+++
++++++++++++++++});

++++++++++++++++var+files0+=+Directory.GetFiles(path,+"*",+SearchOption.TopDirectoryOnly).OfType<string>().ToList();
++++++++++++++++files0.ForEach(delegate(string+file)+
++++++++++++++++{
++++++++++++++++++++if+(!Common.IsFileLocked(new+FileInfo(file)))
++++++++++++++++++++++++File.Delete(file);
++++++++++++++++});
++++++++++++});
++++++++}++++++++++++++++++++
++++}|code-block|syntax|javascript|4319359|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Use this code (C#):

<pre><code>public static void DeleteFirefoxCache()
 {
 string profilesPath = @"Mozilla\Firefox\Profiles";
 string localProfiles = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), profilesPath);
 string roamingProfiles = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), profilesPath);

 if (Directory.Exists(localProfiles))
 {
 var profiles = Directory.GetDirectories(localProfiles).OfType&lt;string&gt;().ToList();
 profiles.RemoveAll(prfl =&gt; prfl.ToLowerInvariant().EndsWith("geolocation")); // do not delete this profile.

 profiles.ForEach(delegate(string path) 
 { 
 var files = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories).ToList&lt;string&gt;();

 foreach (string file in files)
 {
 if (!Common.IsFileLocked(new FileInfo(file)))
 File.Delete(file);
 } 
 });
 }

 if (Directory.Exists(roamingProfiles))
 {
 var profiles = Directory.GetDirectories(roamingProfiles).OfType&lt;string&gt;().ToList();

 profiles.RemoveAll(prfl =&gt; prfl.ToLowerInvariant().EndsWith("geolocation")); // do not delete this profile.
 profiles.ForEach(delegate(string path)
 {
 var dirs = Directory.GetDirectories(path, "*", SearchOption.AllDirectories).OfType&lt;string&gt;().ToList();
 dirs.ForEach(delegate(string dir) 
 {
 var files = Directory.GetFiles(dir, "*.*", SearchOption.AllDirectories).ToList&lt;string&gt;();

 foreach (string file in files)
 {
 if (!Common.IsFileLocked(new FileInfo(file)))
 File.Delete(file);
 } 
 });

 var files0 = Directory.GetFiles(path, "*", SearchOption.TopDirectoryOnly).OfType&lt;string&gt;().ToList();
 files0.ForEach(delegate(string file) 
 {
 if (!Common.IsFileLocked(new FileInfo(file)))
 File.Delete(file);
 });
 });
 } 
 }
</code></pre>

blocks|key|2207216|text|我的解决方案是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2207217|string+UserProfile+=+Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
++++++++++++try
++++++++++++{
++++++++++++++++string+id+=+string.Empty;
++++++++++++++++var+lines+=+File.ReadAllLines($@"{UserProfile}\AppData\Roaming\Mozilla\Firefox\profiles.ini");
++++++++++++++++foreach+(var+line+in+lines)
++++++++++++++++{
++++++++++++++++++++if+(line.Contains("Path=Profiles/"))
++++++++++++++++++++{
++++++++++++++++++++++++var+text+=+line.Replace("Path=Profiles/",+"");
++++++++++++++++++++++++id+=+text.Trim();
++++++++++++++++++++}
++++++++++++++++}
++++++++++++++++Array.ForEach(Directory.GetFiles($@"{UserProfile}\AppData\Local\Mozilla\Firefox\Profiles\{id}\cache2\entries"),+File.Delete);
++++++++++++}
++++++++++++catch+{+}|code-block|syntax|javascript|2207218|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

My solution:

<pre><code>string UserProfile = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
 try
 {
 string id = string.Empty;
 var lines = File.ReadAllLines($@"{UserProfile}\AppData\Roaming\Mozilla\Firefox\profiles.ini");
 foreach (var line in lines)
 {
 if (line.Contains("Path=Profiles/"))
 {
 var text = line.Replace("Path=Profiles/", "");
 id = text.Trim();
 }
 }
 Array.ForEach(Directory.GetFiles($@"{UserProfile}\AppData\Local\Mozilla\Firefox\Profiles\{id}\cache2\entries"), File.Delete);
 }
 catch { }
</code></pre>

blocks|key|4319402|text|在asp.net/+c#中，您可以触发此操作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4319403|string+cacheKey+=+"TestCache";

//Add+cache
+++Cache.Add(cacheKey,+"Cache+content",+null,+DateTime.Now.AddMinutes(30),+
TimeSpan.Zero,+CacheItemPriority.High,+null);

Cache.Remove(cacheKey);+//C#+clear+cache|code-block|syntax|javascript|4319404|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In asp.net/ c# you can trigger this.
<pre><code>string cacheKey = &quot;TestCache&quot;;

//Add cache
 Cache.Add(cacheKey, &quot;Cache content&quot;, null, DateTime.Now.AddMinutes(30), 
TimeSpan.Zero, CacheItemPriority.High, null);

Cache.Remove(cacheKey); //C# clear cache
</code></pre>

I try to clear the firefox 8 browser cache using programmatically. I am developing as a site using asp.net, I need to clear the browser cache for the security reason. I tried many ways to clear the cache but none seems to work. Any ideas?

How to clear browser cache programmatically?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我尝试使用编程方式清除Firefox8浏览器缓存。我正在开发一个使用asp.net的网站，出于安全原因，我需要清除浏览器缓存。我尝试了许多方法来清除缓存，但似乎都不起作用。有什么想法吗？

问如何以编程方式清除浏览器缓存？
EN

回答 6

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