最原始的写法: a40e0c09dfa872ddd159f0ae2f75459e000 结果:702-968ms 改进的写法: a40e0c09dfa872ddd159f0ae2f75459e001 结果:484-600ms 另外一种写法: a40e0c09dfa872ddd159f0ae2f75459e002 结果:674-826ms...