ColdFusion 9.0 Resources |
TraceDescriptionA function equivalent of the <cftrace> tag and is used in the <cfscript> mode. ParametersSame as the <cftrace> tag. CategoryFunction syntaxtrace (abort, category, inline, text, var) Following is the sequence of positional notations: trace (abort, category, inline, text, type, var) UsageYou can call this function as name=value pair or as positional argument. For positional arguments, the order of the parameters remains the same as the corresponding tag or as mentioned in the preceding 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."); } interestRate = annualRate / 100; years = months / 12; totalInterest = principal * (((1 + interestRate) ^ years) - 1); return DollarFormat(totalInterest); } try { Trace(type="Information", inline="true", text="Calculating interest."); //Use of trace function in cfsript WriteOutput(TotalInterest("$2500.00", "5.5%", "12")); Trace(type="Information", inline="true", text="Interest calculation done."); } catch(InvalidData ex) { //Displayig exception details on screen WriteOutput("<p>An InvalidData exception was thrown.</p>"); WriteOutput("<p>#ex.message#</p>"); //Writting the exception to log file under logs folder of web server. WriteLog(type="Error", file="myapp.log", text="[#ex.type#] #ex.message#"); } |