xiaoshi-wx/node_modules/wux-weapp/packages/es/date-picker/utils.js

export function formatDate(date, fmt) {
    if (!(date instanceof Date)) {
        date = new Date(date)
    }
    const o = {
        'M+': date.getMonth() + 1,
        'd+': date.getDate(),
        'h+': date.getHours(),
        'm+': date.getMinutes(),
        's+': date.getSeconds(),
        'q+': Math.floor((date.getMonth() + 3) / 3),
        'S': date.getMilliseconds(),
    }
    if (/(y+)/.test(fmt)) {
        fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
    }
    for (const k in o) {
        if (new RegExp(`(${k})`).test(fmt)) {
            fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (('00' + o[k]).substr(('' + o[k]).length)))
        }
    }
    return fmt
}