C# .NET发送短信验证码（前端+后台）
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="sendCode.aspx.cs" Inherits="xinze.yingxiaoshi.PlugIn.yingxiaoshi.sendCode" %>
账号注册发送验证码
手机号码：
验证码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using xinze.yingxiaoshi.Helper;
namespace xinze.yingxiaoshi.PlugIn.yingxiaoshi
{
public partial class sendCode : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Request.QueryString["send"] != null)
{
Random rd = new Random();
int Randoms = rd.Next(100000, 999999);//六位随机数
string phone = Request.QueryString["phone"].ToString().Trim();
int sendCodeId = yingxiaoshi_Common.singleSend(phone, Randoms.ToString().Trim(), 63416);//方法在下面
Response.Write(sendCodeId);
Response.End();
}
else if (Request.QueryString["confirm"] != null)//确定按钮，验证输入的验证码是否正确
{
string sendCodeId = Request.QueryString["sendCodeId"].ToString().Trim();
string phone = Request.QueryString["phone"].ToString().Trim();
string code = Request.QueryString["code"].ToString().Trim();
yingxiaoshi_sendCode info= new Helper.yingxiaoshi_sendCode(Convert.ToInt32(sendCodeId));//验证码所存的的数据表
if(info!=null&&info.sendCodeId>0)
{
if(info.mobile==phone&&info.code==code)
{
DateTime t1 = DateTime.Now;
DateTime t2 = Convert.ToDateTime(info.CreateTime);
TimeSpan time = t1 - t2;
if(time.Minutes>4)//验证码是否超时
{
Response.Write(-1);
}
else
{
Response.Write(1);
}
}
else
{
Response.Write(0);
}
}
else
{
Response.Write(0);
}
Response.End();
}
}
}
} #region 发送短信验证码
///
/// 发送短信验证码(单条发送)
///
/// 接收验证码手机号
/// 验证码
/// 短信模板ID
/// ();
//parameters1.Add("word", HttpUtility.UrlEncode(text, Encoding.UTF8)); //需要检测的短信内容，需要UTF8 URLENCODE
//parameters1.Add("key", appkey);//你申请的key
//string result1 = sendPost(url1, parameters1, "get");
//JsonObject newObj1 = new JsonObject(result1);
//String errorCode1 = newObj1["error_code"].Value;
//if (errorCode1 == "0")
//{
// //Debug.WriteLine("成功");
// //Debug.WriteLine(newObj1);
//}
//else
//{
// //Debug.WriteLine("失败");
// //Debug.WriteLine(newObj1["error_code"].Value + ":" + newObj1["reason"].Value);
//}
#endregion
//2.发送短信
string url2 = "http://v.juhe.cn/sms/send";
var parameters2 = new Dictionary();
parameters2.Add("mobile", mobile); //接收短信的手机号码
parameters2.Add("tpl_id", templateId.ToString()); //短信模板ID，请参考个人中心短信模板设置
parameters2.Add("tpl_value", HttpUtility.UrlEncode("#code#="+random, Encoding.UTF8)); //变量名和变量值对，如：#code#=431515，整串值需要urlencode，比如正确结果为：%23code%23%3d431515。如果你的变量名或者变量值中带有#&=中的任意一个特殊符号，请先分别进行urlencode编码后再传递，详细说明>
parameters2.Add("key", appkey);//你申请的key
parameters2.Add("dtype", "json"); //返回数据的格式,xml或json，默认json
string result2 = sendPost(url2, parameters2, "get");//返回结果为json字符串
JsonObject newObj2 = new JsonObject(result2);
String errorCode2 = newObj2["error_code"].Value;//errorCode2=0时发送成功
#region 对发送的验证码等信息存库
yingxiaoshi_sendCode info = new yingxiaoshi_sendCode();
info.mobile = mobile;
info.code = random;
info.tpl_id = templateId;
info.error_code = Convert.ToInt16(errorCode2);
info.backJson = result2;
int sendCodeId= info.Add();
#endregion
if (errorCode2 =="0"&& sendCodeId>0)
{
return sendCodeId;
}
else
{
return 0;
}
}
///
/// Http (GET/POST)
///
/// 请求URL
/// 请求参数
/// 请求方法
/// 响应内容
static string sendPost(string url, IDictionary parameters, string method)
{
if (method.ToLower() == "post")
{
HttpWebRequest req = null;
HttpWebResponse rsp = null;
System.IO.Stream reqStream = null;
try
{
req = (HttpWebRequest)WebRequest.Create(url);
req.Method = method;
req.KeepAlive = false;
req.ProtocolVersion = HttpVersion.Version10;
req.Timeout = 5000;
req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
byte[] postData = Encoding.UTF8.GetBytes(BuildQuery(parameters, "utf8"));
reqStream = req.GetRequestStream();
reqStream.Write(postData, 0, postData.Length);
rsp = (HttpWebResponse)req.GetResponse();
Encoding encoding = Encoding.GetEncoding(rsp.CharacterSet);
return GetResponseAsString(rsp, encoding);
}
catch (Exception ex)
{
return ex.Message;
}
finally
{
if (reqStream != null) reqStream.Close();
if (rsp != null) rsp.Close();
}
}
else
{
//创建请求
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + "?" + BuildQuery(parameters, "utf8"));
//GET请求
request.Method = "GET";
request.ReadWriteTimeout = 5000;
request.ContentType = "text/html;charset=UTF-8";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
//返回内容
string retString = myStreamReader.ReadToEnd();
return retString;
}
}
///
/// 组装普通文本请求参数。
///
/// Key-Value形式请求参数字典
/// URL编码后的请求数据
static string BuildQuery(IDictionary parameters, string encode)
{
StringBuilder postData = new StringBuilder();
bool hasParam = false;
IEnumerator> dem = parameters.GetEnumerator();
while (dem.MoveNext())
{
string name = dem.Current.Key;
string value = dem.Current.Value;
// 忽略参数名或参数值为空的参数
if (!string.IsNullOrEmpty(name))//&& !string.IsNullOrEmpty(value)
{
if (hasParam)
{
postData.Append("&");
}
postData.Append(name);
postData.Append("=");
if (encode == "gb2312")
{
postData.Append(HttpUtility.UrlEncode(value, Encoding.GetEncoding("gb2312")));
}
else if (encode == "utf8")
{
postData.Append(HttpUtility.UrlEncode(value, Encoding.UTF8));
}
else
{
postData.Append(value);
}
hasParam = true;
}
}
return postData.ToString();
}
///
/// 把响应流转换为文本。
///
/// 响应流对象
/// 编码方式
/// 响应文本
static string GetResponseAsString(HttpWebResponse rsp, Encoding encoding)
{
System.IO.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.Close();
if (stream != null) stream.Close();
if (rsp != null) rsp.Close();
}
}
#endregion 
这是界面， 没有写样式
如果有疑问，欢迎留言