备忘

1. excel 时间戳转时间：=(B2+8*3600)/86400+70*365+19       # B2就是第二列

2. excel 一列分成多列：data -> text to columns -> delimited -> tab/space/other -> next -> finish

3. 批量删除redis中的key：redis-cli -h 192.168.0.8 -p 6380 keys "obj_base_*" |xargs redis-cli -h 192.168.0.8 -p 6380 del