GET POST通用的網絡請求

• (void) networkWithURL: (NSString *)urlStr success: (SuccessBlock)blo{

  NSURLSession *session = [NSURLSession sharedSession];
  NSURLSessionDataTask *tesk = [session dataTaskWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:urlStr]] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
  if (data) {
  id obj = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
  dispatch_async(dispatch_get_main_queue(), ^{
  blo(obj);
  });
  }
  }];
  [tesk resume];
  }