private void Button_Click(object sender, RoutedEventArgs e)
{
if (!int.TryParse(TxtCaptchaCodeLength.Text, out int length))
{
length = 4;
}
var captchaCode = CaptchaHelper.GenerateCaptchaCode(length);
TxtCaptchaCode.Text = captchaCode;
if (!int.TryParse(TxtImageWidth.Text, out int imageWidth))
{
imageWidth = 200;
}
if (!int.TryParse(TxtImageHeight.Text, out int imageHeight))
{
imageHeight = 50;
}
var captcha = CaptchaHelper.GenerateCaptcha(captchaCode, imageWidth, imageHeight);
var bmp = new BitmapImage();
bmp.BeginInit();
bmp.StreamSource = new MemoryStream(captcha.ByteData);
bmp.EndInit();
ImgCaptcha.Source = bmp;
ImgCaptcha.Width = imageWidth;
ImgCaptcha.Height = imageHeight;
}
public object GetCaptchaImage(string key)
{
string captchaCode = CaptchaHelper.GenerateCaptchaCode();
var result = CaptchaHelper.GetImage(116, 36, captchaCode);
MemoryCacheService.Default.SetCache(key, captchaCode, 5);
return(new FileStreamResult(new MemoryStream(result.CaptchaByteData), "image/png"));
}
public IActionResult GetCaptchaImage()
{
string captchaCode = CaptchaHelper.GenerateCaptchaCode();
var result = CaptchaHelper.GetImage(116, 36, captchaCode);
HttpContext.Session.SetString(CaptchaCodeSessionName, captchaCode);
return(new FileStreamResult(new MemoryStream(result.CaptchaByteData), "image/png"));
}
/// <summary>
/// 获取验证码
/// </summary>
/// <returns></returns>
public IActionResult CheckCode()
{
string captchaCode = CaptchaHelper.GenerateCaptchaCode();
var result = CaptchaHelper.GetImage(116, 36, captchaCode);
HttpContext.Session.SetString("CheckCode", captchaCode);
return(File(new MemoryStream(result.CaptchaByteData), "image/png"));
}
public IActionResult GetCaptchaImage()
{
int width = 120;
int height = 36;
var captchaCode = CaptchaHelper.GenerateCaptchaCode();
var result = CaptchaHelper.GenerateCaptchaImage(width, height, captchaCode);
HttpContext.Session.SetString("CaptchaCode", result.CaptchaCode);
Stream s = new MemoryStream(result.CaptchaByteData);
return(new FileStreamResult(s, "image/png"));
}
/// <summary>
/// 获取验证码
/// </summary>
/// <returns></returns>
public IActionResult GetCatchaImage()
{
//验证码
string captchaCode = CaptchaHelper.GenerateCaptchaCode();
//图片
var result = CaptchaHelper.GetImage(116, 36, captchaCode);
//存储验证码
HttpContext.Session.SetString(CaptchaCodeName, captchaCode);
//返回图片
return(new FileStreamResult(new MemoryStream(result.CaptchaByteData), "img/png"));
}
/// <summary>
/// 获取验证码
/// </summary>
/// <returns></returns>
public async Task <CaptchaResult> GetCaptchaResultAsync()
{
CaptchaResult captcha;
try
{
captcha = CaptchaHelper.CreateVerifyCodeImage(CaptchaHelper.GenerateCaptchaCode());
}
catch (Exception e)
{
LogHelper.Logger.Fatal(e, "验证码生成 失败");
return(null);
}
//var captcha = CaptchaHelper.CreateImage(CaptchaHelper.GenerateCaptchaCode());
var uuid = IdWorker.NextId();
var key = CacheKeys.CAPTCHA + uuid;
await RedisClient.SetAsync(key, captcha.Captcha, CaptchaExpired);
captcha.Uuid = uuid.ToString();
return(captcha);
}
