当然不想用自带的timeStamp,这玩意不跨天,一旦你的工作处于凌晨交接处,计算出来的时间就是负数
startTime = (dotNetClass "System.DateTime").Now
max quick render
endTime = (dotNetClass "System.DateTime").Now
ts = endTime.Subtract startTime
useSeconds = ts.TotalSeconds as float
format "用时%秒
" useSeconds