ios webview清除缓存Cookie

ios webview清除缓存Cookie 

UIWebView清除Cookie：

//清除cookies

NSHTTPCookie *cookie;

NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];

for (cookie in [storage cookies]) 

{

    [storage deleteCookie:cookie];

}

UIWebView清除缓存：

 

//清除UIWebView的缓存

[[NSURLCachesharedURLCache] removeAllCachedResponses];

NSURLCache * cache = [NSURLCache sharedURLCache];  

    [cache removeAllCachedResponses];  

    [cache setDiskCapacity:0];  

    [cache setMemoryCapacity:0];