.net c# GET请求 One or more errors occurred.The SSL connection could not be established

请求的地址 url 是http 还是https   是不一样的

这个是http 的请求方法   如果你要请求https   可以修改被调用的接口  右键 项目->属性->调试 web服务器设置  增加一个 http     示例:  https://localhost:5001;http://localhost:5000

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public static string SendRequestGet(string HttpUrl)         {             HttpClient _HttpClient = new HttpClient();             _HttpClient.BaseAddress = new Uri(HttpUrl);             _HttpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));             _HttpClient.DefaultRequestHeaders.AcceptEncoding.Add(new StringWithQualityHeaderValue("utf-8"));             var respon = _HttpClient.GetAsync(HttpUrl);             return respon.Result.Content.ReadAsStringAsync().Result;         }