Yeah it's education - it's good for new folks to see that you can pass complex structures back and forth seamlessly. A simple value would be fine in this case.
I like the loop over the inputs to create the object in your example - more elegant than hardcoding for sure ;) Christopher Jordan wrote: > > Daemach, > > I suppose it's just for the sake of education or something, but putting > the return value in a structure and passing it back seems like overkill > to me. Since there can be only one result from the calculation, just > pass it back as a string or numeric... no need for a structure in this > case imo. > > Rick, is any of this helping? :o) > > Chris > > Daemach wrote: >> Hi Rick - >> >> This is one of those things I would use ajaxCFC for since it handles >> serialization automatically. The idea here is that you need to serialize >> the values of your form fields, send them to the server, deserialize, >> calculate and put the results into some kind of structure which gets >> serialized again and returned to the browser for processing which starts >> with deserializing. Dealing with the serialization/deserialization >> transparently is what makes ajaxCFC so great. >> >> First, download ajaxcfc here: >> http://www.robgonda.com/blog/projects/ajaxcfc/download.cfm >> >> in the zip file drill down to ajaxCFC/branches/jquery/core/. Put the >> .cfc's >> in some accessible folder on your web server, then copy everything inside >> the /js folder to your javascript repository - I create a subfolder to >> keep >> it separate: /js/ajaxCFC. That's it for the install. >> >> This sample code should get you started. I stuck the ajax call directly >> into the click event on the button, but you could put all of that in a >> separate function and then call the function from the click event handler >> if >> you want. >> >> =========================== >> >> >> your html/cfm page with the calculator: >> >> <script type="text/javascript" src="/js/jquery.js"></script> >> <script type="text/javascript" >> src="/js/ajaxCFC/jquery.AjaxCFC.js"></script> >> >> <script type="text/javascript"> >> // additional files >> $.AjaxCFC({require:'json'}); >> // more additional files >> // $.AjaxCFC({require:'json,wddx,dDumper,log4j,DWRSyntax,blockUI'}); >> >> // optional global settings >> // using these setters also automatically include dependencies >> >> //$.AjaxCFCHelper.setAjaxLoadImage("#snort","/images/ajax_circleball.gif"); >> $.AjaxCFCHelper.setDebug(false); >> $.AjaxCFCHelper.setBlockUI(false); >> $.AjaxCFCHelper.setUseDefaultErrorHandler(false); >> $.AjaxCFCHelper.setSerialization('json'); // json, wddx >> >> $(document).ready( function() { >> >> // Add click event to button >> >> $('#ajaxit').click(function() { >> //create an object to pass to the cfc. can also be an array, >> simple >> value, whatever you want. Objects turn into cf structures. >> var obj = {firstVal:$('#firstVal').val(), >> secondVal:$('#secondVal').val(), >> thirdVal:$('#thirdVal').val(), randomstring:"why not"} >> //do ajax call >> >> $.AjaxCFC({ >> url: "/pathto/your.cfc", >> method: "calculate", >> data: obj, >> // can be an anonymous function, or the name of the >> function that will >> handle the return results. >> success: showResults >> }); >> }); >> >> }); >> >> function showResults(data){ >> // data will be whatever the cfc passed back in js format - structure in >> this case to make it easy. >> $('#result').val(data.results); >> >> } >> >> </script> >> >> firstVal: <input id="firstVal" name="firstVal" type="text"><br> >> secondVal: <input id="secondVal" name="secondVal" type="text"><br> >> thirdVal: <input id="thirdVal" name="thirdVal" type="text"> >> <input id="ajaxit" type="submit" name="ajaxit" value="AjaxIt"> >> <hr> >> >> result: <input id="result" name="result" type="text"> >> >> >> ================ >> >> Your cfc file should go in the same folder as ajax.cfc: >> >> >> <cfcomponent extends="ajax"> >> <!--- >> <cfscript> >> setDebugMode('request'); >> </cfscript>---> >> >> <cffunction name="calculate" output="no" access="private"> >> >> <cfscript> >> obj = arguments; >> data = structNew(); >> temp = obj.firstVal + obj.secondVal + obj.thirdVal; >> StructInsert(data, "results", temp); >> </cfscript> >> >> <cfreturn data> >> </cffunction> >> </cfcomponent> >> >> >> >> Rick Faircloth wrote: >> >>> Hi, all. >>> >>> I've just started using jQuery recently and now >>> I'm trying to understand how to use it with AJAX >>> and I just don't know enough about how it works >>> to get started on a fairly simple app. The sample app I've >>> been tinkering with sends a URL variable for a User_ID >>> using AJAX to a CF page, which runs a query and >>> returns the info to the calling page and appends >>> it to the body. I'd like to send results back to the >>> form fields, as well as the calculated result. >>> >>> I just don't have a clue how to set this up. >>> >>> I have a mortgage calculator and I want the user >>> to be able to enter the principal, interest rate, >>> and duration in years, then run a calculation on it >>> and return the result. >>> >>> I've set this up in a regular form that submits back >>> to the page it's on and it works fine. It's coded in CF. >>> >>> I'd like to be able to calculate and return the results using AJAX. >>> >>> I've worked some very simple code using AJAX (actually >>> it was given to me), but I have no idea how to code for >>> the above scenario. >>> >>> Would anyone care to give this CF'er some guidance >>> on creating this small jQuery/CF/AJAX app? >>> >>> Thanks for any help! >>> >>> Rick >>> >>> _______________________________________________ >>> jQuery mailing list >>> [email protected] >>> http://jquery.com/discuss/ >>> >>> >>> >> >> > > -- > http://www.cjordan.us > > > _______________________________________________ > jQuery mailing list > [email protected] > http://jquery.com/discuss/ > > -- View this message in context: http://www.nabble.com/Need-some-guidance...-tf3323366.html#a9241214 Sent from the JQuery mailing list archive at Nabble.com. _______________________________________________ jQuery mailing list [email protected] http://jquery.com/discuss/
