public IActionResult GetCode()
{
//待返回对象
var result = new ResponseModel(ResponseCode.Success, "查询成功!");
//调用图片码
string randomCode = SecurityCode.CreateRandomCode(4);
if (!string.IsNullOrEmpty(randomCode))
{
//字符串加缓存
string keys = "ImageCode_Login" + DateTime.Now.ToString("yyyyMMddHHmmssfffffff");//Guid.NewGuid()
TimeSpan ts1 = new TimeSpan(0, 5, 0);
CacheManager.Create().Set(keys, randomCode, ts1);
//读取图片
byte[] imgCode = SecurityCode.CreateValidateGraphic(randomCode);
string base64str = Convert.ToBase64String(imgCode);
var ImagCode = new
{
imgcode = "data:image/png;base64," + base64str,
imgkey = keys,
};
result.data = ImagCode;
}
return(Json(result));
}
public ActionResult GetSecurityCode()
{
SecurityCode code = new SecurityCode();
Session["skey"] = code.CreateRandomCode(4);
byte[] buf = code.CreateValidateGraphic(Session["skey"].ToString());
return(File(buf, "image/Jpeg"));
}
public ActionResult SecurityCode()
{
SecurityCode sc = new SecurityCode();
string oldcode = TempData["SecurityCode"] as string;
string code = sc.CreateRandomCode(5);
TempData["SecurityCode"] = code;
return(File(sc.CreateValidateGraphic(code), "image/Jpeg"));
}