C#Postformdata上传

1.首先先从NuGet下载包

 2.方法

public string PostData(string UrlAdd, string inputData){

string str = "";
try
{
HttpClient client = new HttpClient();
var postCOntent= new MultipartFormDataContent();
postContent.Add(new StringContent(inputData), "inputData");
HttpResponseMessage respOnse= client.PostAsync(Url + UrlAdd, postContent).Result;
str = response.Content.ReadAsStringAsync().Result;
}
catch (Exception ex)
{

return ex.ToString();
}

return str;

}

3.PostMan调用