a function of time generated jmeter

Demand: Interface tested, a timestamp parameter is time, time format is " yyyyMMddHHmmss " , such as: 20171130160348

Then the corresponding, inside the jmeter, __time can function returns the current time by a variety of formats (note: two front time is underlined).

Therefore, for the above requirements can be written directly, $ {__ time (yyyyMMddHHmmss,)}