C# 实现发送手机短信

时间:2022-05-07
本文章向大家介绍C# 实现发送手机短信,主要内容包括其使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

现在很多网站都是短信发送的功能,怎么实现的呢。对于个人站长来说的话,通过使用SMS短信通API接口相对比较划算和简单。那怎么实现呢,步骤如下:

1. 从网上(http://sms.webchinese.cn/)申请账号,记住用户名,密码会发到手机上,这仅是登陆密码。注册后会送5条短信、和3条彩信的发送量。

2.查看SMS短信通API下行接口(http://sms.webchinese.cn/api.shtml),然后获取秘钥,其实就是加密后的登录密码。开始敲代码,相关代码如下:

using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Net;using System.Text;using System.Web;namespace Y_PostSms
{    public class YMethod
    {        private string THE_UID = ""; //用户名
        private string THE_KEY = ""; //接口秘钥

        /// <summary>返回UTF-8编码发送接口地址</summary>
        /// <param name="receivePhoneNumber">目的手机号码(多个手机号请用半角逗号隔开)</param>
        /// <param name="receiveSms">短信内容,最多支持400个字,普通短信70个字/条,长短信64个字/条计费</param>
        /// <returns></returns>
        public string GetPostUrl(string smsMob, string smsText)
        {            string postUrl = "http://utf8.sms.webchinese.cn/?Uid=" + THE_UID + "&key=" + THE_KEY + "&smsMob=" + smsMob + "&smsText=" + smsText;            return postUrl;
        }        /// <summary> 发送短信,得到返回值</summary>
        public string PostSmsInfo(string url)
        {            //调用时只需要把拼成的URL传给该函数即可。判断返回值即可
            string strRet = null;            if (url == null || url.Trim().ToString() == "")
            {                return strRet;
            }            string targeturl = url.Trim().ToString();            try
            {
                HttpWebRequest hr = (HttpWebRequest)WebRequest.Create(targeturl);
                hr.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
                hr.Method = "GET";
                hr.Timeout = 30 * 60 * 1000;
                WebResponse hs = hr.GetResponse();
                Stream sr = hs.GetResponseStream();
                StreamReader ser = new StreamReader(sr, Encoding.Default);
                strRet = ser.ReadToEnd();
            }            catch (Exception ex)
            {
                strRet = null;
            }            return strRet;
        }        /// <summary>确认返回信息 </summary>
        public string GetResult(string strRet)
        {            int result = 0;            try
            {
                result = int.Parse(strRet);                switch (result)
                {                    case -1:
                        strRet = "没有该用户账户";                        break;                    case -2:
                        strRet = "接口密钥不正确,不是账户登陆密码";                        break;                    case -21:
                        strRet = "MD5接口密钥加密不正确";                        break;                    case -3:
                        strRet = "短信数量不足";                        break;                    case -11:
                        strRet = "该用户被禁用";                        break;                    case -14:
                        strRet = "短信内容出现非法字符";                        break;                    case -4:
                        strRet = "手机号格式不正确";                        break;                    case -41:
                        strRet = "手机号码为空";                        break;                    case -42:
                        strRet = "短信内容为空";                        break;                    case -51:
                        strRet = "短信签名格式不正确,接口签名格式为:【签名内容】";                        break;                    case -6:
                        strRet = "IP限制";                        break;                    default:
                        strRet = "发送短信数量:" + result;                        break;
                }
            }            catch (Exception ex)
            {
                strRet = ex.Message;
            }            return strRet;
        }
    }
}

3. 找在线客服开通发送权限,填写好签名,效果图如下:

代码:http://files.cnblogs.com/files/yc-755909659/Y_PostSms.zip