.NET MVC4 用HttpClient后台post 请求webapi

转载：https://blog.csdn.net/Anlan2010/article/details/49445905

public ActionResult Index()

{

var requestJson = JsonConvert.SerializeObject("[{'CityId':18,'CityName':'西安','ProvinceId':27,'CityOrder':1},{'CityId':53,'CityName':'广州','ProvinceId':27,'CityOrder':1}]");

HttpContent httpContent = new StringContent(requestJson);

httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");

var httpClient = new HttpClient();

var responseJson = httpClient.PostAsync("http://localhost:6972/api/test/Post/", httpContent)

.Result.Content.ReadAsStringAsync().Result;

ViewBag.s = responseJson;

return View();

}