iOS开发web加载HTML方法

AFHTTPSessionManager *manger = [AFHTTPSessionManager manager];
    [manger GET:@"http://app218.zhb.hebnews.cn:9002/app_v1.4.2/getnewsbyid.do?newsid=38420&appkey=zhb&userid=0&uniquecode=4C42D8DA-89DD-47CA-B022-296AF0268024" parameters:nil success:^(NSURLSessionDataTask *task, id responseObject) {
        
        NSString *str = responseObject[@"data"][@"htmlbody"];
        
        UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(10, 200, 300, 400)];
        [webView loadHTMLString:str baseURL:nil];
        
        [self.view addSubview:webView];
        
    } failure:^(NSURLSessionDataTask *task, NSError *error) {
        
    }];