我尝试从此链接中读出 youtubevideos 的网址:http ://gdata.youtube.com/feeds/api/videos?author=channelname
我试过这样:
NSRange startRange = [ret rangeOfString:@"<media:content url='http"];
NSRange endRange = [ret rangeOfString:@"'"];
NSRange searchRange = NSMakeRange(startRange.location , endRange.location);
NSLog(@"Link: %@",[ret substringWithRange:searchRange]);
输出只是:<media:content
我的错误在哪里?