UIWebView 缓存

//存储cookie的方法

- (void)saveCookies {

    // 创建一个可变字典存放cookie

    NSMutableDictionary *fromappDict = [NSMutableDictionary dictionary];

    [fromappDict setObject:@"fromapp" forKey:NSHTTPCookieName];

    [fromappDict setObject:@"ios" forKey:NSHTTPCookieValue];

    // kDomain是公司app网址

    NSString * domain = [NSString stringWithFormat:@"JSESSIONID=%@;domain=%@;path=/web",[GlobalHelper getObjectForKey:kSessionID],cookieDomain];

    

    [fromappDict setObject:domain forKey:NSHTTPCookieDomain];

    

    [fromappDict setObject:@"/" forKey:NSHTTPCookiePath];

    //默认版本cookie 0

    [fromappDict setObject:@"0" forKey:NSHTTPCookieVersion];

    //设置cookie相对地址

    [fromappDict setObject:serverUrl forKey:NSHTTPCookieOriginURL];

    

    // 将可变字典转化为cookie

    NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:fromappDict];

    // 获取cookieStorage

    NSHTTPCookieStorage *cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];

    // 存储cookie

    [cookieStorage setCookie:cookie];

}

-(void)cleanCookie{

    NSURL *url = [NSURL URLWithString:webUrl];

    if (url) {

        NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:url];

        for (int i = 0; i < [cookies count]; i++) {

            NSHTTPCookie *cookie = (NSHTTPCookie *)[cookies objectAtIndex:i];

            [[NSHTTPCookieStorage sharedHTTPCookieStorage] deleteCookie:cookie];

        }

    }

    //清除所有缓存

    NSURLCache * cache = [NSURLCache sharedURLCache];

    [cache removeAllCachedResponses];

    [cache setDiskCapacity:0];

    [cache setMemoryCapacity:0];

}