What about using:
<cfif ("form.submit")>
put the captcha2 action stuff in here
<cfelse>
put the stuff to been seen if the form isnt submitting in here
</cfif>
> This code is taken from the CF docs for CF 9.
>
> I am trying to update our old forms to use cfimage to verify. Once I
> can get the image to work, I can update the forms. However the issue
> is I have to link to the form on the action page. could this all me
> done in one page, or is there a better way?
>
> <!---captcha1--->
> <!--- Set the length of the text string for the CAPTCHA image. --->
> <cfset stringLength=6>
> <!--- Specify the list of characters used for the random text string.
> The following list
> limits the confusion between upper- and lowercase letters as well as
> between numbers and
> letters. --->
> <cfset
> stringList="2,3,4,5,6,7,8,9,a,b,d,e,f,g,h,j,n,q,r,t,y,A,B,C,D,E,F,G,H,
> K,L,M,N,P,Q,R,S,
> T,U,V,W,X,Y,Z">
> <cfset rndString="">
> <!--- Create a loop that builds the string from the random characters.
> --->
> <cfloop from="1" to="#stringLength#" index="i">
> <cfset rndNum=RandRange(1,listLen(stringList))>
> <cfset rndString=rndString & listGetAt(stringList,rndNum)>
> </cfloop>
> <!--- Hash the random string. --->
> <cfset rndHash=Hash(rndString)>
>
> <!--- Create the user entry form. --->
> <cfform action="captcha2.cfm" method="post">
>
> <!--- Use the randomly generated text string for the CAPTCHA image.
> --->
> <p><cfimage action="captcha" fontSize="16" fonts="Times New Roman"
> width="215" height="50"
> text="#rndString#"></p>
> <p>Please type what you see: </p>
> <p><cfinput type="text" name="userInput" required="yes">
> <cfinput type="hidden" name="hashVal" value="#rndHash#">
> <p><cfinput type="Submit" name ="OK" value="OK"></p>
> </cfform>
>
>
> <!--- captcha2--->
>
> <!--- Verify whether the text entered by the user matches the CAPTCHA
> string. --->
> <cfif #form.hashval# eq Hash(#form.userInput#)>
> <cfoutput>
> you got it!
> </cfoutput>
> <cfelse>
> <p>I'm sorry; please try again.</p>
> <a href="captcha1.cfm">go back to form</a>
>
> </cfif>
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