HttpWebRequest endpointRequest =
(HttpWebRequest)HttpWebRequest.Create(
"http://<site url>/_api/web/lists");
endpointRequest.Method = "GET";
endpointRequest.Accept = "application/json;odata=verbose";
endpointRequest.Headers.Add("Authorization",
"Bearer " + accessToken);
HttpWebResponse endpointResponse =
(HttpWebResponse)endpointRequest.GetResponse();
这个是微软官网上的示例代码 ,但是不知道accessToken怎么获得,说的不太清楚,有知道的吗 谢谢