ESRI Admin API

最新推荐文章于 2024-06-25 17:53:18 发布

Moofell

最新推荐文章于 2024-06-25 17:53:18 发布

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分类专栏： ArcGIS Server

本文链接：https://blog.youkuaiyun.com/Moofell/article/details/41441787

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本文介绍了如何利用ESRI的Admin API来管理ArcGIS服务，包括获取Token和停止服务的操作。通过发送Http请求到特定URL，结合用户凭据获取Token，然后使用Token停止服务。示例代码展示了在VS2010+Silverlight 5环境下如何实现这一过程。

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ArcGIS从10.1开始，开放了基于Rest的Admin API。通过这个API，可以重构ArcGIS Server Manager。

很简单，一句话，用Http请求去访问指定的Url。Url为管理员目录（http://<服务器名称>:6080/arcgis/admin）+操作地址+Token，如停止服务的URL为：

http://localhost:6080/arcgis/admin/services/SampleWorldCities.MapServer/stop?f=json&token=

具体代码如下：

1)获取Token

private void GenerateAGSToken(string username, string password, string adminurl)
        {
            try
            {
                string urlGenerateToken = string.Format("{0}/generateToken", adminurl);
                string credential = string.Format("username={0}&password={1}&client=requestip&f=json", username, password);

                //以POST方式获得Token
                GetResult(urlGenerateToken, credential);

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }

   private void GetResult(string url, string postContent)
        {
            HttpWebRequest request = null;
            try
            {
                request = (HttpWebRequest)WebRequest.Create(url);
                this.content =postContent;
                request.ContentLength = Encoding.UTF8.GetBytes(postContent).Length;
                request.ContentType = "application/x-www-form-urlencoded";
                request.Accept = "text/plain";
                request.Method = "POST";
                IAsyncResult asyresult = request.BeginGetRequestStream(new AsyncCallback(GetRequestStreamCallback), request);

   }
            catch
            {
                throw;
            }
        }

        private void GetRequestStreamCallback(IAsyncResult asynchronousResult)
        {
            HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;

            // End the operation
            Stream postStream = request.EndGetRequestStream(asynchronousResult);

            // Write to the request stream.
            using (StreamWriter writer = new StreamWriter(postStream))
            {
                writer.Write(this.content);
                //writer.Flush();
                writer.Close();
            }
            //postStream.Close();
            request.BeginGetResponse(new AsyncCallback(GetResponseCallback), request);

        }

        private void GetResponseCallback(IAsyncResult asynchronousResult)
        {
            HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;

            // End the operation
            HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);
            Stream streamResponse = response.GetResponseStream();
            StreamReader streamRead = new StreamReader(streamResponse);
            string responseString = streamRead.ReadToEnd();

            JObject jObj = JObject.Parse(responseString);
            this.token =(string ) jObj["token"];

            // Close the stream object
            streamResponse.Close();
            streamRead.Close();

            // Release the HttpWebResponse
            response.Close();

        }

2)停止服务

public void StopService(string serviceName, ServiceType serviceType)
        {
            try
            {
                string serviceUrl = serviceName + "." + Enum.GetName(typeof(ServiceType), serviceType) + "/stop";
                this.GetResult(serviceUrl, "f=json&token=" + token);

            }
            catch
            {
                //return false;
            }
        }

其中JObject jObj = JObject.Parse(responseString);
this.token =(string ) jObj["token"];

使用的是JSON.NET 我的开发环境是VS2010+Silverlight 5，所以需要使用的版本是V4.5。如果是非Silverlight环境，直接用NuGet下载最新版就可。