正文
ios开发 - 获取从http上下载文件的大小
提示：扫一扫查出行【扫一扫了解最新限行尾号】
复制提示
- - (void)connectionNSURLConnection *)connection didReceiveResponseNSURLResponse *)response{
- NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
- if(httpResponse && [httpResponse respondsToSelectorselector(allHeaderFields)]){
- NSDictionary *httpResponseHeaderFields = [httpResponse allHeaderFields];
- total_ = [[httpResponseHeaderFields objectForKey"Content-Length"] longLongValue];
- //NSLog(@"%lld", total_);
- }
- }
