UIWebView清除缓存

//清除cookies

NSHTTPCookie *cookie;

NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];

for (cookie in [storage cookies])

{

[storage deleteCookie:cookie];

}

// 清除webView的缓存

/*清除缓存/

• (void)cleanCache{

  //清除UIWebView的缓存
  NSURLCache * cache = [NSURLCache sharedURLCache];
  [cache removeAllCachedResponses];
  [cache setDiskCapacity:0];
  [cache setMemoryCapacity:0];
  }