ColdFusion and Flash communication easy to start tutorials _coldfusion

Pre-use preparation: You need to prepare the test environment Flash MX COLDFUSIONMX
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This article describes ColdFusion and flash communication, this time without the use of remoting components, directly using the Netconnection object, connect to the ColdFusion of the built-in remoting service. The service uses the message mechanism of the AMF structure ( Action message format).
Please brush up on the Netconnection object's method and property events. New Netconnection () new network connection, connect method for connecting to a network if the connection is rtmp, return true if it succeeds, or false. The connection to HTTP always returns TRUE. To determine whether a connection is successful, you can also use the Onstatus event.
Close is used to turn off the connection. Call is used to invoke a service, online object. Calls ("Services", receiving objects, parameter lists,...)
Now: Open flashmx New Document size 550*150 background is light cyan. Add to static text label 3, dynamic text box One, input text box one, open shared library push a button:: (Add content for above control)

The settings are as follows: the Input Box InputBox button button1 Display box Showbox

Add the following code to the first frame:

Code Copy Box

The following is a reference fragment: Include file #include "netdebug.as" is primarily used for debugging and has no other meaning, optional parameters System.usecodepage=true when the server does not support Utf-8, add the following code. #include "netdebug.as" Conn=new netconnection (); Connect the gateway, which can be found in the FLASHMX window service browser. Conn.connect ("Http://localhost:8500/flashservices/gateway"); Call service Defines an object that receives the returned value var obj={}; Defines the Receive object event Onresult When a result is received, this event is triggered; Obj.onresult=function (Result) { Showbox.text = result; Trace (result); } Obj.onstatus = function (info) { Trace ("An error occurs" + Info.code); } function Function1 () { Using named parameters to pass the object, when the argument is more, especially convenient, recommended. var obj2={}; Obj2.sj=inputbox.text; Conn.call ("flashtest.f2c", obj,obj2); } Defining button Events button1.onpress = function () { Function1 (); }

Server code writing:
New site: flashtest new File f2c.cfm
The code is saved in the following location/flashtest/f2c.cfm
<!---returns the current time of the server--->
<cfset thetime = TimeFormat (now (), "H:mm:ss tt") >
<!---a specific variable name Flash.result can be invoked to the client. Onresult--->
<!---set the data content of result, #Flash. sj# obtains the real name data variable which the Flash passes over. Otherwise use flash.params[1] to get the variable, the array in CF from the beginning, the first argument is params[1]
--->
<cfset Flash.result = "Welcome" & #Flash. Sj# & "Using the world's leading CF server system, now CF's Standard Time is" & thetime>

The results of the execution are as follows: