GET请求
1 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; 2 3 [manager GET:URL parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) { 4 5 } 6 success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { 7 8 NSLog(@"这里打印请求成功要做的事"); 9 10 } 11 12 failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { 13 14 NSLog(@"%@",error); //这里打印错误信息 15 16 }];
POST 请求
1 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; 2 3 4 NSMutableDictionary *parameters = @{@"":@"",@"":@""}; 5 6 [manager POST:URL parameters:parameters progress:^(NSProgress * _Nonnull uploadProgress) { 7 8 9 } success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { 10 11 12 } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { 13 14 }];
下载
1 //1.创建管理者对象 2 NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; 3 AFHTTPSessionManager *manager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:configuration]; 4 5 //2.确定请求的URL地址 6 NSURL *url = [NSURL URLWithString:@""]; 7 8 //3.创建请求对象 9 NSURLRequest *request = [NSURLRequest requestWithURL:url]; 10 11 //下载任务 12 NSURLSessionDownloadTask *task = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) { 13 //打印下下载进度 14 NSLog(@"%lf",1.0 * downloadProgress.completedUnitCount / downloadProgress.totalUnitCount); 15 16 } destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) { 17 //下载地址 18 NSLog(@"默认下载地址:%@",targetPath); 19 20 //设置下载路径，通过沙盒获取缓存地址，最后返回NSURL对象 21 NSString *path = [[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:response.suggestedFilename]; 22 NSLog(@"%@", path); 23 return [NSURL fileURLWithPath:path]; 24 25 26 } completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) { 27 28 //下载完成调用的方法 29 NSLog(@"下载完成："); 30 NSLog(@"%@--%@",response,filePath); 31 32 }]; 33 34 //开始启动任务 35 [task resume];
上传
1 NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; 2 AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; 3 4 NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"]; 5 NSURLRequest *request = [NSURLRequest requestWithURL:URL]; 6 7 NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"]; 8 NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromFile:filePath progress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { 9 if (error) { 10 NSLog(@"Error: %@", error); 11 } else { 12 NSLog(@"Success: %@ %@", response, responseObject); 13 } 14 }]; 15 [uploadTask resume];
监测当前网络状态（网络监听）
1 { 2 // 进行网络监测判断的BOOL值 3 BOOL isOpen; 4 }
1 if (!isOpen) { 2 3 // 打开网络监测的方法 4 [[AFNetworkReachabilityManager sharedManager] startMonitoring]; 5 isOpen = YES; 6 7 } else { 8 9 // 关闭网络监测 10 [[AFNetworkReachabilityManager sharedManager] stopMonitoring]; 11 isOpen = NO; 12 } 13 14 // 接下来会判断是WiFi状态，还是3g或4g状态，还有网络不可用状态 15 [[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) { 16 17 switch (status) { 18 case AFNetworkReachabilityStatusUnknown: 19 NSLog(@"未知状态"); 20 break; 21 22 case AFNetworkReachabilityStatusNotReachable: 23 NSLog(@"未连接状态"); 24 break; 25 26 case AFNetworkReachabilityStatusReachableViaWWAN: 27 NSLog(@"手机流量网络"); 28 break; 29 30 case AFNetworkReachabilityStatusReachableViaWiFi: 31 NSLog(@"WiFi状态"); 32 break; 33 34 default: 35 break; 36 } 37 }];