AFNetWroking 3.0 GET&POST基本使用--默染江山

- (void)requestWithUrl:(NSString *)url params:(NSDictionary *)params methodType:(NSString *)methodType{    // 1. 创建URLString    if (url == nil) {      url = [[IMConfigManager defaultManager] getNewsAppUrl];    }    // 2. 创建SessionConfiguration    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];    // 3. 创建SessionManager    AFHTTPSessionManager *manager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:configuration];    // 4. 创建Request    NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] requestWithMethod:methodType URLString:url parameters:params error:nil];    // 5. 设置Response    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript", @"text/html", nil];    if ([methodType isEqualToString:@"POST"]) {        // 设置application的HTTPHeaderField        [request setValue:@"application/x-www-form-urlencoded; charset=utf-8" forHTTPHeaderField:@"Content-Type"];    }    // 6. 创建SessionDataTask    NSURLSessionDataTask *dataTask = [manager dataTaskWithRequest:request completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {        if (error) {            [self requestFailure:error];        } else {            [self requestSuccess:response responseObject:responseObject];        }    }];    // 7. 执行SessionDataTask    [dataTask resume];}