Creates and defines a component object; encloses functionality that you build in CFML and enclose within cffunction tags. This tag contains one or more cffunction tags that define methods. Code within the body of this tag, other than cffunction
tags, is executed when the component is instantiated.
A component file has the extension CFC and is stored in any directory of an application.
A component is invoked in the following ways:
<cfcomponent extends ="anotherComponent" output = "yes" or "no"> <cffunction ...> ... </cffunction> <cffunction ...> ... </cffunction> </cfcomponent>
cfargument,
cffunction,
cfinvoke,
cfinvokeargument,
cfobject,
cfproperty,
cfreturn
ColdFusion processes output expressions as follows:
output=no
", ColdFusion suppresses all output.
output=yes
", ColdFusion evaluates all #expr#
tokens as if the function body was enclosed within cfoutput
tags.output
attribute, you must enclose all tokens that are to be evaluated within cfoutput
tags.<cfcomponent>
<cffunction name="getEmp"> <cfquery name="empQuery" datasource="ExampleApps" > SELECT FIRSTNAME, LASTNAME, EMAIL FROM tblEmployees </cfquery> <cfreturn empQuery> </cffunction> <cffunction name="getDept"> <cfquery name="deptQuery" datasource="ExampleApps" > SELECT * FROM tblDepartments </cfquery> <cfreturn deptQuery> </cffunction> </cfcomponent>