C# .net core使用HttpClient方式调用WebService

 

 

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// 声明接口入参(多个参数在此累加)   // objData=>对象格式要转成json string   var parameters= new Dictionary<string, string>   { { "para1", objData}, { "para2", "test" }, }; HttpContent httpContent = new FormUrlEncodedContent(parameters);   // contentType对应 webservice提示 如下图 httpContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/x-www-form-urlencoded"); HttpClient httpClient = new HttpClient(); HttpResponseMessage response = httpClient.PostAsync("https://localhost:44329/WebService1.asmx/HelloWorld", httpContent).Result; var statusCode = response.StatusCode.ToString(); var result = response.Content.ReadAsStringAsync().Result; var doc = new XmlDocument(); doc.LoadXml(result);   // xml返回值数据所在标签,替换成你的xml结果标签,如下图   var status = doc.DocumentElement["Status"].InnerXml;