AFNetWroking 3.0 GET&POST基本使用
``` - (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]; } ```