using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Mail;
namespace PubilcHelper
{
public class EMailHelperTwo
{
/// <summary>
/// 邮箱验证 返回验证码
/// </summary>
/// <param name="JiShou">接受的邮箱账号</param>
/// <param name="Count">验证码数量</param>
/// <returns></returns>
public string Send(string JiShou,int Count)
{
string YZM = CreateBlendCode(Count);
//发件人地址
MailAddress from = new MailAddress("发件人QQ邮箱");
MailMessage message = new MailMessage();
message.Body = "您本次的验证码为"+YZM;
message.IsBodyHtml = true;
message.BodyEncoding = System.Text.Encoding.UTF8;
//收件人地址
message.To.Add(JiShou); //接收人地址 是个变量
message.Subject = "邮箱验证";
message.SubjectEncoding = System.Text.Encoding.UTF8;
message.From = from;
SmtpClient client = new SmtpClient();
client.EnableSsl = true;
client.Host = "smtp.qq.com";
client.Port = 587;
//邮箱账户和密码
//邮箱和邮件授权码
client.Credentials = new System.Net.NetworkCredential("发件人QQ邮箱", "授权码");
try
{
client.Send(message);
return YZM;
}
catch (Exception ex)
{
string mssage = ex.ToString();
return "";
}
}
/// <summary>
/// 这个是使用字母,数字混合
/// </summary>
/// <param name="VcodeNum"></param>
/// <returns></returns>
public string CreateBlendCode(int codeCount)
{
string allChar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z";
string[] allCharArray = allChar.Split(',');
string randomCode = "";
int temp = -1;
Random rand = new Random();
for (int i = 0; i < codeCount; i++)
{
if (temp != -1)
{
rand = new Random(i * temp * ((int)DateTime.Now.Ticks));
}
int t = rand.Next(61);
if (temp == t)
{
return CreateBlendCode(codeCount);
}
temp = t;
randomCode += allCharArray[t];
}
return randomCode;
}
}
}