/// <summary>
/// 验证码
/// </summary>
/// <returns></returns>
public ActionResult VerifyCode()
{
string vcode = CaptchaHelper.CreateRandomCode(4);
SessionHelper.Set("vcode", vcode);
return(File(CaptchaHelper.DrawImage(vcode), @"image/jpeg"));
}
public ActionResult Vcode()
{
var code = CaptchaHelper.CreateRandomCode(4);
Session["vcode"] = code;
var img = CaptchaHelper.DrawImage(code, 20, background: Color.White);
return(File(img, "Image/jpeg"));
}
public void ProcessRequest(HttpContext context)
{
string vcode = CaptchaHelper.CreateRandomCode(4);
context.Session["img_vcode"] = vcode;
byte[] bs = CaptchaHelper.DrawImage(vcode, 20, Color.White);
context.Response.ContentType = "image/gif";
context.Response.BinaryWrite(bs);
}
public void ProcessRequest(HttpContext context)
{
// 画布 画笔 和 素材
var vcode = CaptchaHelper.CreateRandomCode(4);
context.Session["user_vcode"] = vcode;
var img = CaptchaHelper.DrawImage(vcode, 20, Color.White);
context.Response.ContentType = "image/gif";
context.Response.BinaryWrite(img);
}
public void ProcessRequest(HttpContext context)
{
//context.Response.ContentType = "text/plain";
//context.Response.Write("Hello World");
var code = CaptchaHelper.CreateRandomCode(4);
context.Session["vcode"] = code;
var img = CaptchaHelper.DrawImage(code, 20, background: Color.White);
context.Response.ContentType = "image/gif";
context.Response.BinaryWrite(img);
}
private void SendMail(string name)
{
string vcode = CaptchaHelper.CreateRandomCode(6);
CookieHelper.Set("vcode", vcode, DateTime.Now.AddHours(1));
string content = "<html><head><title>验证码</title></head><body><div style='background:#f7f7f7;overflow:hidden'><div style='background:#fff;border:1px solid #ccc;margin:2%;padding:0 30px'><div style='line-height:40px;height:40px'> </div>";
content += "<p style='margin:0;padding:0;font-size:14px;line-height:30px;color:#333;font-family:arial,sans-serif;font-weight:bold'>亲爱的用户：</p><div style='line-height:20px;height:20px'> </div>";
content += "<p style='margin:0;padding:0;line-height:30px;font-size:14px;color:#333;'>您好！感谢您使用，您正在进行邮箱验证，本次请求的验证码为：</p>";
content += "<p style='margin:0;padding:0;line-height:30px;font-size:14px;color:#333;'><b style='font-size:18px;color:#f90'>" + vcode + "</b><span style='margin:0;padding:0;margin-left:10px;line-height:30px;font-size:14px;color:#979797;'></span></p>";
content += "<div style='line-height:80px;height:80px'> </div><p style='margin:0;padding:0;line-height:30px;font-size:14px;color:#333;'>系统管理员</p><p style='margin:0;padding:0;line-height:30px;font-size:14px;color:#333;'> " + DateTime.Now + " </p><div style='line-height:20px;height:20px'> </div></div></div></body></html>";
try
{
MailHelper.Send(name, "商城验证码", content);
}
catch (Exception)
{
CookieHelper.Remove("vcode");
Response.End();
}
}
public ActionResult GetVcode(string codelength, string codesize)
{
int length;
if (!int.TryParse(codelength, out length))
{
return(Content(JsonReturn(Enum_ReturnStatus.失败, "验证码长度参数错误", null)));
}
float size;
if (!float.TryParse(codesize, out size))
{
return(Content(JsonReturn(Enum_ReturnStatus.失败, "验证码字体大小参数错误", null)));
}
var code = CaptchaHelper.CreateRandomCode(length);
Session["zhancaiw_vcode"] = code;
var img = CaptchaHelper.DrawImage(code, size, background: Color.White);
return(File(img, "Image/jpeg"));
}
