md/js/date.js

/*
 * @Description: 时间数据格式
 * @Autor: kindring
 * @Date: 2021-10-14 18:53:00
 * @LastEditors: kindring
 * @LastEditTime: 2021-10-14 19:08:37
 * @LastDescript: 
 */
function dateFormat(date, format = 'YYYY-MM-DD HH:mm:ss') {
    const config = {
        YYYY: date.getFullYear(),
        MM: ('0' + (date.getMonth() + 1)).substr(-2, 2), //getMonth() 方法根据本地时间返回指定日期的月份（从 0 到 11）
        DD: ('0' + date.getDate()).substr(-2, 2),
        HH: ('0' + date.getHours()).substr(-2, 2),
        mm: ('0' + date.getMinutes()).substr(-2, 2),
        ss: ('0' + date.getSeconds()).substr(-2, 2),
    }
    console.log(config);
    for (const key in config) {
        format = format.replace(key, config[key])
    }
    return format
}

console.log(dateFormat(new Date()));