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阿里大鱼简单发送短信功能.net core版

2017年12月12日  | 移动技术网IT编程  | 我要评论

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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; }
  }
}

发送短信时：          

var parms = new dictionary<string, string>();
  parms.add(constants.extend, "123456");
  parms.add(constants.rec_num, "138********");
  parms.add(constants.sms_free_sign_name, "阿里大鱼");
  parms.add(constants.sms_param, "{\"code\":\"1234\",\"product\":\"阿里大鱼\"}");
  parms.add(constants.sms_template_code, "sms_10000000");

var req = smshelper.sendsms("http://gw.api.taobao.com/router/rest", "appkey", "appsecret", datetime.now, parms);

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持移动技术网。

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