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Hide/Encrypt URL variables in ColdFusion

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问题 If I have a website and the URL is www.example.com/mainpage.cfm?id=0123&app=2 , how can I hide the id=0123 and app=2 so the user won't be able to change these variables? I am looking at a complex program written by someone before me and he is passing these variables from page to page through the URL. I am just looking for a quick fix because I don't want to rewrite this entire program. 回答1: Here is how you encode it: #URLEncodedFormat(Encrypt(id, "#key#"))# The id is the variable, and the key

Paypal: trying to pass an amount with a Donation button

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I have a Donate button set up for the user to enter the donation amount. I am trying to send an amount with the button. I can enter amount=1.00 in the Add Advanced Variables in the button setup - that works fine. However, I have had no success sending the amount as part of the URL. I have added the following line to the PayPal button form: <input type="hidden" name="amount" value="9.99" /> but the amount field is blank when I get to PayPal. Any thoughts what I am doing wrong? If you're creating a so called 'hosted button' (that is, a button where the button details are stored on the PayPal

Flex 3: Getting variables from URL

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If I have an application located at http://sitename.com/myapp/ and i want to pass in a variable via the url (i.e. - http://sitename.com/myapp/?name=Joe ), how can I get that name variable into a string var? I use the class Adobe provided in this article . package { import flash.external.*; import flash.utils.*; public class QueryString { private var _queryString:String; private var _all:String; private var _params:Object; public function get queryString():String { return _queryString; } public function get url():String { return _all; } public function get parameters():Object { return _params;

Hide/Encrypt URL variables in ColdFusion

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If I have a website and the URL is www.example.com/mainpage.cfm?id=0123&app=2 , how can I hide the id=0123 and app=2 so the user won't be able to change these variables? I am looking at a complex program written by someone before me and he is passing these variables from page to page through the URL. I am just looking for a quick fix because I don't want to rewrite this entire program. Sovr Sov Here is how you encode it: #URLEncodedFormat(Encrypt(id, "#key#"))# The id is the variable, and the key can be anything (used as a certificate to encode and decode). To Decode: cfset url.id = #Decrypt

How to verify if $_GET exists?

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So, I have some PHP code that looks a bit like this: <body> The ID is <?php echo $_GET["id"] . "!"; ?> </body> Now, when I pass an ID like http://localhost/myphp.php?id=26 it works alright, but if there is no ID like just http://localhost/myphp.php then it outputs: The ID is Notice: Undefined index: id in C:\xampp\htdocs\myphp.php on line 9 ! I have searched for a way to fix this but I cannot find any way to check if a URL variable exists. I know there must be a way though. You can use isset function: if(isset($_GET['id'])) { // id index exists } You can create a handy function to return