1. 在redis中保存
Grayscale_Range = { "idStart":1, "idEnd":5000 }
127.0.0.1:6379> hmset 'Grayscale_Range' 'idStart' 1 'idEnd' 5000
2.查看map映射的值
HGET Grayscale_Range idEnd
https://www.runoob.com/redis/hashes-hmset.html