using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

namespace DS.WMS.Core.QuarztJobs.Other
{
    public class HttpHellp
    {
        private static readonly HttpClient _httpClient = new HttpClient { Timeout = TimeSpan.FromSeconds(60) };
        /// <summary>
        /// post请求
        /// </summary>
        /// <param name="serviceAddress">请求地址</param>
        /// <param name="requestJson">请求参数</param>
        /// <param name="headers">请求头</param>
        /// <returns></returns>
        public static async Task<string> PostAsync(string serviceAddress, string requestJson = null, Dictionary<string, string> headers = null)
        {
            try
            {
                string result = string.Empty;
                Uri postUrl = new Uri(serviceAddress);

                using (HttpContent httpContent = new StringContent(requestJson))
                {
                    httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    if (headers != null)
                    {
                        foreach (var header in headers)
                        {
                            httpContent.Headers.Add(header.Key, header.Value);
                        }
                    }
                    var response = await _httpClient.PostAsync(serviceAddress, httpContent);

                    result = await response.Content.ReadAsStringAsync();

                }

                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }
    }


  

}