iOS 笔记总结一

1/ 网页缓存

//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];

2/ UILabel 字体大小自适应
lbl.adjustsFontSizeToFitWidth = YES;