摘要：//第一步，创建URL NSURL *url = [NSURL URLWithString:@"http://itunes.apple.com/search?term=微信&entity=software"]; //第二步，通过URL创建网络请求 NSURLRequest *request = [[NSURLRequest alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10]; //第三步，连接服务器 NSData *received = [N 阅读全文