JS 时间格式转换

/*
 * d  日期字符串
 * type  D返回日期  T返回时间
 */
export function dateTextFormat(d, type) {
    var dateTime = "";
    if (d != null) {
        if (d.length >= 8) {
            dateTime = d.substring(0, 4) + "-" + d.substring(4, 6) + "-" + d.substring(6, 8);
            if (type == 'D') {
                return dateTime;
            }
        }
        if (d.length == 14) {
            var time = d.substring(8, 10) + ":" + d.substring(10, 12) + ":" + d.substring(12, 14);
            dateTime += " " + time;
            if (type == 'T') {
                return time;
            }

        }
    }
    return dateTime;
}

/**
 * @date:日期时间戳
 * @format:需要转换的格式：yyyy-MM-dd
 */
export function dateFormat(date, format) {
    if (typeof date == "string") {
        return formatDate(new Date(parseInt(date)), format);
    } else {
        return formatDate(new Date(date), format);
    }
}