1. 日期拆分时分秒
const date = '2020-08-19 12:00:00'
const res = date.replace(' ', ':').replace(/\:/g, '-').split('-')
// res '["2020", "08", "19", "12", "00", "00"]'
2. 兼容iOS设备不支持日期格式(不识别 “-“ )
const date = '2020-08-19 12:00:00'
const res = new Date(newVal.replace(/-/g, '/'))