阿里大鱼.net core 发送短信

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阿里大鱼还未提供 .net core 版SDK，但提供了相关API，下面是.net core版实现，只是简单发送短信功能：

using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using Newtonsoft.Json;namespace ConsoleApp1
{public class SmsHelper{public static string Post(string url, string data, Encoding encoding){try{HttpWebRequest req = WebRequest.CreateHttp(new Uri(url));req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";req.Method = "POST";req.Accept = "text/xml,text/javascript";req.ContinueTimeout = 60000;byte[] postData = encoding.GetBytes(data);Stream reqStream = req.GetRequestStreamAsync().Result;reqStream.Write(postData, 0, postData.Length);reqStream.Dispose();var rsp = (HttpWebResponse)req.GetResponseAsync().Result;var result = GetResponseAsString(rsp, encoding);return result;}catch (Exception ex){throw;}}public static T Post<T>(string url, string data, Encoding encoding){try{var result = Post(url, data, encoding);return JsonConvert.DeserializeObject<T>(result);}catch (Exception ex){return default(T);}}public static string BuildQuery(IDictionary<string, string> parameters){if (parameters == null || parameters.Count == 0){return null;}StringBuilder query = new StringBuilder();bool hasParam = false;foreach (KeyValuePair<string, string> kv in parameters){string name = kv.Key;string value = kv.Value;// 忽略参数名或参数值为空的参数if (!string.IsNullOrEmpty(name) && !string.IsNullOrEmpty(value)){if (hasParam){query.Append("&");}query.Append(name);query.Append("=");query.Append(WebUtility.UrlEncode(value));hasParam = true;}}return query.ToString();}public static string GetResponseAsString(HttpWebResponse rsp, Encoding encoding){Stream stream = null;StreamReader reader = null;try{// 以字符流的方式读取HTTP响应stream = rsp.GetResponseStream();reader = new StreamReader(stream, encoding);return reader.ReadToEnd();}finally{// 释放资源if (reader != null) reader.Dispose();if (stream != null) stream.Dispose();if (rsp != null) rsp.Dispose();}}public static string GetAlidayuSign(IDictionary<string, string> parameters, string secret, string signMethod){//把字典按Key的字母顺序排序IDictionary<string, string> sortedParams = new SortedDictionary<string, string>(parameters, StringComparer.Ordinal);//把所有参数名和参数值串在一起StringBuilder query = new StringBuilder();if (Constants.SIGN_METHOD_MD5.Equals(signMethod)){query.Append(secret);}foreach (KeyValuePair<string, string> kv in sortedParams){if (!string.IsNullOrEmpty(kv.Key) && !string.IsNullOrEmpty(kv.Value)){query.Append(kv.Key).Append(kv.Value);}}//使用MD5/HMAC加密if (Constants.SIGN_METHOD_HMAC.Equals(signMethod)){return Hmac(query.ToString(), secret);}else{query.Append(secret);return Md5(query.ToString());}}public static string Hmac(string value, string key){byte[] bytes;using (var hmac = new HMACMD5(Encoding.UTF8.GetBytes(key))){bytes = hmac.ComputeHash(Encoding.UTF8.GetBytes(value));}StringBuilder result = new StringBuilder();foreach (byte t in bytes){result.Append(t.ToString("X2"));}return result.ToString();}public static string Md5(string value){byte[] bytes;using (var md5 = MD5.Create()){bytes = md5.ComputeHash(Encoding.UTF8.GetBytes(value));}var result = new StringBuilder();foreach (byte t in bytes){result.Append(t.ToString("X2"));}return result.ToString();}public static SmsResultAli SendSms(string url, string appKey, string appSecret, DateTime timestamp, Dictionary<string, string> parsms){var txtParams = new SortedDictionary<string, string>();txtParams.Add(Constants.METHOD, "alibaba.aliqin.fc.sms.num.send");txtParams.Add(Constants.VERSION, "2.0");txtParams.Add(Constants.SIGN_METHOD, Constants.SIGN_METHOD_HMAC);txtParams.Add(Constants.APP_KEY, appKey);txtParams.Add(Constants.FORMAT, "json");txtParams.Add(Constants.TIMESTAMP, timestamp.ToString(Constants.DATE_TIME_FORMAT));txtParams.Add(Constants.SMS_TYPE, "normal");foreach (var item in parsms){txtParams.Add(item.Key,item.Value);}txtParams.Add(Constants.SIGN, GetAlidayuSign(txtParams, appSecret, Constants.SIGN_METHOD_HMAC));var result = Post<SmsResultAli>(url, BuildQuery(txtParams), Encoding.UTF8);return result;}}public class SmsResultAli{public SmsResponseALi Alibaba_Aliqin_Fc_Sms_Num_Send_Response { get; set; }}public class SmsResponseALi{public string Request_Id { get; set; }public SmsResponseResultAli Result { get; set; }}public class SmsResponseResultAli{public string Err_Code { get; set; }public string Model { get; set; }public bool Success { get; set; }}
}