义薄云天

摘要： #pragma mark -同步GET请求 - (IBAction)synGet:(id)sender { //第一步，创建URL NSURL *url=[[NSURL alloc]initWithString:@"http://www.weather.com.cn/data/sk/101010100.html"]; //第二步，通过URL创建网络请求 NSURLRequest *request=[[NSURLRequest alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeou 阅读全文