最原始的写法: 5f9aa293418b3ddd7a704abc873f0b24000 结果:702-968ms 改进的写法: 5f9aa293418b3ddd7a704abc873f0b24001 结果:484-600ms 另外一种写法: 5f9aa293418b3ddd7a704abc873f0b24002 结果:674-826ms...