using System;using System.Collections.Generic;using System.Linq;using System.Security.Cryptography;using System.Text;using System.Threading.Tasks;namespace HaiMou.Common.SMS{    public class NeteaseSms    {        static string url = "https://api.netease.im/sms/sendcode.action";        static string appKey = "************************************";        static string appSecret = "******";        public static string Send(string mobile)        {            string nonce = new Random().Next(100000, 999999).ToString();            string curTime = DateTime.Now.ToUnixStamp().ToString();            string checkSum = SHA1_Hash(appSecret+ nonce+ curTime);            string post = $"mobile={mobile}";            byte[] btBodys = Encoding.UTF8.GetBytes(post);            System.Net.WebRequest wReq = System.Net.WebRequest.Create(url);            wReq.Method = "POST";            wReq.Headers.Add("AppKey", appKey);            wReq.Headers.Add("Nonce", nonce);            wReq.Headers.Add("CurTime", curTime);            wReq.Headers.Add("CheckSum", checkSum);            wReq.ContentLength = btBodys.Length;            wReq.ContentType = "application/x-www-form-urlencoded;charset=utf-8";            using (var wsr = wReq.GetRequestStream())            {                wsr.Write(btBodys, 0, btBodys.Length);            }            System.Net.WebResponse wResp = wReq.GetResponse();            System.IO.Stream respStream = wResp.GetResponseStream();            string result;            using (System.IO.StreamReader reader = new System.IO.StreamReader(respStream,System.Text.Encoding.UTF8))            {                result = reader.ReadToEnd();            }            //Json数据，obj是网易生成的验证码            return result;        }        private static string SHA1_Hash(string str_sha1_in)        {            SHA1 sha1 = new SHA1CryptoServiceProvider();            byte[] bytes_sha1_in = UTF8Encoding.Default.GetBytes(str_sha1_in);            byte[] bytes_sha1_out = sha1.ComputeHash(bytes_sha1_in);            string str_sha1_out = BitConverter.ToString(bytes_sha1_out);            str_sha1_out = str_sha1_out.Replace("-", "").ToLower();            return str_sha1_out;        }        private static string getFormattedText(byte[] bytes)        {            int len = bytes.Length;            StringBuilder buf = new StringBuilder(len * 2);            for (int j = 0; j < len; j++)            {                buf.Append(HEX_DIGITS[(bytes[j] >> 4) & 0x0f]);                buf.Append(HEX_DIGITS[bytes[j] & 0x0f]);            }            return buf.ToString();        }        private static char[] HEX_DIGITS = { ‘0‘, ‘1‘, ‘2‘, ‘3‘, ‘4‘, ‘5‘, ‘6‘, ‘7‘, ‘8‘, ‘9‘, ‘a‘, ‘b‘, ‘c‘, ‘d‘, ‘e‘, ‘f‘ };    }}