public IActionResult Verify()
{
var code = _verifyCodeHelper.CreateVerifyCode(VerifyCodeHelper.VerifyCodeType.AbcVerifyCode);
var image = _verifyCodeHelper.CreateByteByImgVerifyCode(code, 116, 36);
HttpContext.Session.SetString("verify", code);
return(File(image, @"image/jpeg"));
}
public ActionResult GetVerifyCode()
{
var verify = VerifyCodeHelper.CreateVerifyCode();
var stream = new MemoryStream();
verify.Bitmap.Save(stream, ImageFormat.Png);
return(File(stream.ToArray(), @"image/png"));//返回FileContentResult图片
}
/// <summary>
/// 验证码 直接写入Response
/// </summary>
public void Verify()
{
string code = "";
Bitmap bitmap = VerifyCodeHelper.CreateVerifyCode(out code);
base.HttpContext.Session["CheckCode"] = code;
bitmap.Save(base.Response.OutputStream, ImageFormat.Gif);
base.Response.ContentType = "image/gif";
}
public ActionResult GetVerifyCode()
{
VerifyCodeHelper verify = new VerifyCodeHelper();
string verifyCode = verify.CreateVerifyCode(4);
Session["VerifyCode"] = verifyCode;
byte[] graphicByte = verify.CreateGraphic(verifyCode);
return(File(graphicByte, @"image/jepg"));
}
/// <summary>
/// httphandler
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(HttpContext context)
{
//在此处写入您的处理程序实现。
string code = "";
Bitmap bitmap = VerifyCodeHelper.CreateVerifyCode(out code);
context.Session["CheckCode"] = code;
bitmap.Save(context.Response.OutputStream, ImageFormat.Gif);
context.Response.ContentType = "image/gif";
}
public string BuildValidCode()
{
VerifyCodeHelper v = new VerifyCodeHelper();
v.CodeSerial = "0,1,2,3,4,5,6,7,8,9";
v.Length = 6;
string code = v.CreateVerifyCode(); //取随机码
return(code);
}
/// <summary>
/// 验证码 FileContentResult
/// </summary>
/// <returns></returns>
public ActionResult VerifyCode()
{
string code = "";
Bitmap bitmap = VerifyCodeHelper.CreateVerifyCode(out code);
base.HttpContext.Session["CheckCode"] = code;
MemoryStream stream = new MemoryStream();
bitmap.Save(stream, ImageFormat.Gif);
return(File(stream.ToArray(), "image/gif"));//返回FileContentResult图片
}
public ActionResult Verify(int random)
{
string code = "";
Bitmap bitmap = VerifyCodeHelper.CreateVerifyCode(out code);
base.HttpContext.Session.SetString("CheckCode", code);
MemoryStream stream = new MemoryStream();
bitmap.Save(stream, ImageFormat.Gif);
return(File(stream.ToArray(), "image/gif"));
}
public FileContentResult VerifyCode()
{
string code = "";
var bitMap = VerifyCodeHelper.CreateVerifyCode(out code);
HttpContext.Session["CheckCode"] = code;
var stream = new MemoryStream();
bitMap.Save(stream, ImageFormat.Gif);
return(File(stream.ToArray(), "image/gif"));
}
public ActionResult GetImgVerifyCode(string name)
{
VerifyCodeHelper v = new VerifyCodeHelper();
v.CodeSerial = "0,1,2,3,4,5,6,7,8,9";
string code = v.CreateVerifyCode(); //取随机码
v.CreateImageOnPage(code, ControllerContext.HttpContext); //输出图片
Session[name] = code; //Session 取出验证码
Response.End();
return(null);
}
public IActionResult Index()
{
(Bitmap bp, string code) = VerifyCodeHelper.CreateVerifyCode();
string encryptCode = DESEncryptHelper.EncryptDES(code);
WebHelper.WriteCookie("VerifyCode", encryptCode, 30);
MemoryStream stream = new MemoryStream();
bp.Save(stream, ImageFormat.Png);
return(File(stream.ToArray(), @"image/png"));//返回FileContentResult图片
}
public ActionResult VerifyCode()
{
string verifyCode = string.Empty;
Bitmap bitmap = VerifyCodeHelper.CreateVerifyCode(out verifyCode);
#region 缓存Key
Cache cache = new Cache();
// 先用当前类的全名称拼接上字符串 “verifyCode” 作为缓存的key
var verifyCodeKey = $"{this.GetType().FullName}_verifyCode";
cache.Remove(verifyCodeKey);
cache.Insert(verifyCodeKey, verifyCode);
#endregion
MemoryStream memory = new MemoryStream();
bitmap.Save(memory, ImageFormat.Gif);
return(File(memory.ToArray(), "image/gif"));
}