/// <summary>
/// 生成验证码
/// </summary>
/// <returns></returns>
public ActionResult ValidateCode()
{
CreateValidateCode createCode = new CreateValidateCode();
string code = createCode.CreateRandomCode(6);
Session["ValidateCode"] = code.ToLower();
return(File(createCode.CreateValidateGraphic(code), "images/jpeg"));
}
/// <returns></returns>
public ActionResult ValidateCode()
{
CreateValidateCode objCreate = new CreateValidateCode();
string code = objCreate.CreateRandomCode(6);
Session["ValidateCode"] = code;
return(File(objCreate.CreateValidateGraphic(code), "images/jpeg"));
}
/// <summary>
/// Add action method, call the method of generating validation code and save the validation code
/// </summary>
/// <returns></returns>
public ActionResult ValidateCode()
{
CreateValidateCode objCreateCode = new CreateValidateCode();
// Generate validation code
string code = objCreateCode.CreateRandomCode(5);
TempData["ValidateCode"] = code; // Use TempData to save data( Session mechanism)
// Return validation code image
return(File(objCreateCode.CreateValidateGraphic(code), "image/Jpeg"));
}