ios 中数组和字典的最新使用方法研究

if (self.detailItem) {
        NSURL *detailURL;
        detailURL=[[NSURL alloc] initWithString:self.detailItem[@"url"]];
        [self.detailWebView loadRequest:[NSURLRequest requestWithURL:detailURL]];
        self.navigationItem.title = self.detailItem[@"name"];
        self.detailDescriptionLabel.hidden=YES;

    }

 NSLog(@"This is:%@",self.flowerData[indexPath.section]);
        
         NSLog(@"This is:%@",self.flowerData[indexPath.section][indexPath.row]);