最原始的写法: dcde690d01b5b1358ec3b7ac59126cf5000 结果:702-968ms 改进的写法: dcde690d01b5b1358ec3b7ac59126cf5001 结果:484-600ms 另外一种写法: dcde690d01b5b1358ec3b7ac59126cf5002 结果:674-826ms...