Description
A function equivalent of the cfthrow tag and is used in the <cfscript> mode.
Parameters
Same as the <cfthrow> tag.
Category
Exception handling functions, Data output functions
Function syntax
For name=value pair:
throw (message = "message", type = "exception type", detail, errorCode = "error code", extendedInfo = "additional info", object = "java exception object")
For positional notations, the sequence must be followed exactly in the same manner as provided in the syntax. If you do not provide one of the attributes, use an empty string instead.
History
ColdFusion 11: Parameters passed to this function needs to be in a comma-separated format.
ColdFusion 9: Added this function.
See also
cfscript , cfthrow , cftry , cfcatch
Usage
You can call this function by passing arguments as name=value pair or as positional arguments. For positional notations, specify the arguments in the sequence mentioned in the function syntax.
Example
<cfscript>
function TotalInterest(principal, annualRate, months)
{ var years = 0;
var interestRate = 0;
var totalInterest = 0;
principal = REReplace(trim(principal), "[\$]", "", "ALL");
annualRate = Replace(trim(annualRate), "%", "", "ALL");
if ((principal <= 0) OR (annualRate <= 0) OR (months <= 0)) {
Throw(type="InvalidData",message="All values must be greater than 0.");
//Use of Throw function in cfscript
}
interestRate = annualRate / 100;
years = months / 12;
totalInterest = principal * (((1 + interestRate) ^ years) - 1);
return DollarFormat(totalInterest);
}
try {
WriteOutput(TotalInterest("$2500.00", "5.5%", "12"));
} catch(InvalidData ex) {
//Displayig exception details on screen
WriteOutput("<p>An InvalidData exception was thrown.</p>");
WriteOutput("<p>#ex.message#</p>");
}
</cfscript>
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