ColdFusion & jquery asynchronous Service Proxy

ColdFusion cfmproxy. cfm code:

/*** @ Hint returns the request object submitted by Ajax * @ returntype any */function getajaxrequest () {var content = getrequestcontent (); if (content = "" & isdefined ("URL. P ") {content = URL. p;} If (isjson (content) {return deserializejson (content) ;}else {return "";}}

/*** @ Hint returned page request content * @ returntype string */function getrequestcontent () {var result = ""; var httprequest = getpagecontext (). getrequest (); var contentlength = httprequest. getcontentlength (); If (contentlength GT 0) {bytearray = getbytearray (contentlength); httprequest. getinputstream (). readline (bytearray, 0, contentlength); Result = tostring (Createobject ("Java", "Java. lang. string "). init (bytearray);} return result ;}

<cfprocessingdirective pageencoding="utf-8" />

<Cftry> <cfscript> cfmresult ={}; cfmresult. success = false; cfminfo = $ utils. getajaxrequest (); </cfscript> <cfif isstruct (cfminfo) and structkeyexists (cfminfo, "cfmpage") and structkeyexists (cfminfo, "method")> <cfinclude template = "# cfminfo. cfmpage # "/> <cfscript> If (structkeyexists (variables, cfminfo. method) {method = Variables [cfminfo. method]; If (isdefined ("cfminfo. arguments ") {cfmresult. data = method (argumentcollection = cfminfo. arguments);} else {cfmresult. data = method ();} cfmresult. success = true;} else {cfmresult. data = "the requested method does not exist" ;}</cfscript> <cfelse> <cfset cfmresult. data = "request format error"> </cfif> <cfcatch type = "any"> <cfset cfmresult. data = cfcatch. message/> <cfif _ $ returnexceptiondetail {1} gt; <cfset cfmresult. exception = cfcatch> </cfif> </cfcatch> </cftry> <cfcontent type = "application/JSON; charset = UTF-8"/> <cfoutput> # serializejson (cfmresult) # </cfoutput>

Client jquery code:

    _postCFProxy: function (request) {        var dtd = jQuery.Deferred();        jQuery.ajax({            type: "POST",            url: request.url,            contentType: "application/json",            data: jQuery.toJSON(request)        })        .done(function (data, textStatus, jqXHR) {            if (data.SUCCESS) {                dtd.resolve(data.DATA);            }            else {                dtd.reject(data);            }        })        .fail(function (jqXHR, textStatus, errorThrown) {            dtd.reject({ DATA: jqXHR.responseText }, jqXHR);        });        return dtd.promise();    },    _callcfm: function (cfm, method, params) {        var cfminfo = {            url: "cfmproxy.cfm",            cfmpage: cfm,            method: method        };        if (params) {            cfminfo.arguments = params;        }        return this._postCFProxy(cfminfo);    }