using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace iWareCommon.Utils
{
    public static class HttpHelper
    {

        /// <summary>
        /// Post
        /// </summary>
        /// <param name="url">请求后台地址</param>
        /// <param name="json">json格式参数</param>
        /// <returns></returns>
        public static string Post(string url, string json)
        {
            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            req.Method = "POST";
            req.ContentType = "application/json";
            var authorization = "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJVc2VySWQiOjE0MjMwNzA3MDkxMDU1MSwiVGVuYW50SWQiOjE0MjMwNzA3MDkxODc4MCwiQWNjb3VudCI6InN1cGVyQWRtaW4iLCJOYW1lIjoi6LaF57qn566h55CG5ZGYIiwiU3VwZXJBZG1pbiI6MSwiT3JnSWQiOiIwIiwiT3JnTmFtZSI6bnVsbCwiaWF0IjoxNjYwMjY4MzA5LCJuYmYiOjE2NjAyNjgzMDksImV4cCI6MTY2MDMyODI0OSwiaXNzIjoiZGlsb24iLCJhdWQiOiJkaWxvbiJ9.lKxygZjORQhQQbbWYOcHtMCXKTEueQMr7Fi1sWjp_1A";
            req.Headers.Add("Authorization", authorization);

            #region 添加Post 参数
            if (!string.IsNullOrWhiteSpace(json))
            {
                byte[] data = Encoding.UTF8.GetBytes(json.ToString());
                req.ContentLength = data.Length;
                using (Stream reqStream = req.GetRequestStream())
                {
                    reqStream.Write(data, 0, data.Length);
                    reqStream.Close();
                }
            }
            #endregion

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
            Stream stream = resp.GetResponseStream();
            //获取响应内容
            using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
            {
                result = reader.ReadToEnd();
            }
            return result;
        }
    }
}