AFNetworking的使用

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AFNetworking是一个轻量级的iOS网络通信类库。它建立在NSURLConnection和NSOperation等类库的基础上，让很多网络通信功能的实现变得十分简单。

AFNetworking框架的 Github地址

使用AFNetwork来检测网络状态

-(void)reach{    /*        AFNetworkReachabilityStatusUnknown          = -1,   未知        AFNetworkReachabilityStatusNotReachable     = 0,    未连接        AFNetworkReachabilityStatusReachableViaWWAN = 1,    3G 花钱        AFNetworkReachabilityStatusReachableViaWiFi = 2,    WIFI     */    //如果要检测网络状态的变化，必须用检测管理器的单例    [[AFNetworkReachabilityManager sharedManager] startMonitoring];    [[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {        NSLog(@"status = %ld",status);    }];}

使用AFNetwork 的 GET方法获取信息

-(void)getRequestWithUrl:(NSString *)urlString WithParameters:(NSDictionary *)dictionary{    NSURL *url = [NSURL URLWithString:urlString];    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];    [manager GET:url.absoluteString parameters:dictionary progress:^(NSProgress * _Nonnull downloadProgress) {        NSLog(@"下载 = %@",downloadProgress);    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {     //通知    [[NSNotificationCenter defaultCenter] postNotificationName:@"center" object:nil userInfo:responseObject];    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {        NSLog(@"错误 = %@",error);    }];}

使用AFNetwork 的 POST 上传纯文本信息

-(void)postWeiboWithUrl:(NSString *)urlString WithParameters:(NSDictionary *)dictionary{    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];    //返回格式    //这里得到的是 JSon 数据，默认的 responseSeroalizer 也是 JSon 数据    manager.responseSerializer = [AFJSONResponseSerializer serializer];    //得到的是 NSData 数据//    manager.responseSerializer = [AFHTTPResponseSerializer serializer];    //接受一些类型    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", nil];    NSURL *url = [NSURL URLWithString:urlString];    [manager POST:url.absoluteString parameters:dictionary progress:^(NSProgress * _Nonnull uploadProgress) {        NSLog(@"上传 = %@",uploadProgress);    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {        NSLog(@"响应 = %@",responseObject);    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {        NSLog(@"错误 = %@",error);    }];}

使用AFNetwork 的 POST 方法上传文本和图片

-(void)postWeiboWithUrl:(NSString *)urlString WithParameters:(NSDictionary *)dictionary WithImageName:(NSString *)imageName{    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];    manager.responseSerializer = [AFJSONResponseSerializer serializer];    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", nil];    NSURL *url = [NSURL URLWithString:urlString];    [manager POST:url.absoluteString parameters:dictionary constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {        NSData *data = UIImagePNGRepresentation([UIImage imageNamed:@"voiceChange"]);//      NSData *data1 = UIImageJPEGRepresentation([UIImage imageNamed:@"voiceChange"], 0.5);        [formData appendPartWithFileData:data name:@"pic" fileName:@"测试.png" mimeType:@"png"];    } progress:^(NSProgress * _Nonnull uploadProgress) {        NSLog(@"上传 = %@",uploadProgress);    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {        NSLog(@"响应 = %@",responseObject);    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {        NSLog(@"错误 = %@",error);    }];}

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