最原始的写法: b0635dc704c3defe066aee6e322b49bf000 结果:702-968ms 改进的写法: b0635dc704c3defe066aee6e322b49bf001 结果:484-600ms 另外一种写法: b0635dc704c3defe066aee6e322b49bf002 结果:674-826ms...