应该是因为打包的时候部分依赖没有打包进去,代码添加下面内容可以解决:
import dayjs from 'dayjs';
import advancedFormat from 'dayjs/plugin/advancedFormat'
import customParseFormat from 'dayjs/plugin/customParseFormat'
import localeData from 'dayjs/plugin/localeData'
import weekday from 'dayjs/plugin/weekday'
import weekOfYear from 'dayjs/plugin/weekOfYear'
import weekYear from 'dayjs/plugin/weekYear'
dayjs.extend(customParseFormat)
dayjs.extend(advancedFormat)
dayjs.extend(weekday)
dayjs.extend(localeData)
dayjs.extend(weekOfYear)
dayjs.extend(weekYear)