public ActionResult VerifyImage()
{
var validate = new ValidateCodeUtil();
string code = validate.CreateValidateCode(4);
byte[] bytes = validate.CreateValidateGraphic(code);
var file = File(bytes, @"image/jpeg");
//验证码写入cookie
return(file);
}
public HttpResponseMessage VerifyImage()
{
var validate = new ValidateCodeUtil();
string code = validate.CreateValidateCode(4);
byte[] bytes = validate.CreateValidateGraphic(code);
//从图片中读取流
var resp = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ByteArrayContent(bytes)
};
resp.Content.Headers.ContentType = new MediaTypeHeaderValue("image/jpg");
return(resp);
}