C# RestClient查询Elasticsearch（附带账号密码）

using RestSharp;
using RestSharp.Authenticators;

/// 

/// 查询华为云ES
/// 
/// 请求字符串
private static string PostHWES(string json)
{
	try
	{
		var client = new RestClient("http://192.168.XX.XXX:9200/download_log_index/_search");
		client.Authenticator = new HttpBasicAuthenticator("账号", "密码");
		var request = new RestRequest();
		request.Method = Method.POST;
		request.Parameters.Clear();
		request.AddParameter("application/json; charset=utf-8", json, ParameterType.RequestBody);
		RestResponse response = (RestResponse)client.Execute(request);
		if (response.StatusCode != HttpStatusCode.OK)
		{
			Console.WriteLine(countNum + "：" + lngGch + ",查询ES异常" + response.StatusCode);
		}
		return response.Content; // raw content as string
	}
	catch (Exception ce)
	{

		Console.WriteLine(countNum + "：" + lngGch + "，查询ES异常" + ce.Message);
	}
	return null;
}