清除WEBVIEW COOKie

-(void)clearWebViewCookie{

   // UIWebView清除Cookie：

    //清除cookies

    NSHTTPCookie *cookie;

    NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];

    for (cookie in [storage cookies])

    {

        [storage deleteCookie:cookie];

    }

    

   // UIWebView清除緩存：

    

    //清除UIWebView的緩存

    [[NSURLCache sharedURLCache] removeAllCachedResponses];

    

    NSURLCache * cache = [NSURLCache sharedURLCache];

    [cache removeAllCachedResponses];

    [cache setDiskCapacity:0];

    [cache setMemoryCapacity:0];

}