let formatDate = function(value, type) {    let date = new Date(value * 1000),        Y = date.getFullYear(),        m = date.getMonth() + 1,        d = date.getDate(),        h = date.getHours(),        i = date.getMinutes(),        s = date.getSeconds();    let mm = m,        dd = d,        hh = h,        ii = i,        ss = s;    let t = '';    if (m < 10) {        mm = '0' + m;    }    if (d < 10) {        dd = '0' + d;    }    if (hh < 10) {        hh = '0' + hh;    }    if (i < 10) {        ii = '0' + i    }    if (s < 10) {        ss = '0' + s;    }    switch (type) {        case 0 || undefined:            t = Y + '-' + mm + '-' + dd;            break;        case 1:            t = Y + '-' + mm + '-' + dd;            break;        case 2:            t = Y + '/' + m + '/' + d + ' ' + hh + ':' + ii;            break;        case 3:            t = Y + '/' + m + '/' + d;            break;        case 4:            t = Y + '年' + m + '月' + d + '日' + ' ' + hh + ':' + ii;            break;        case 5:            t = Y + '-' + mm + '-' + dd + ' ' + hh + ':' + ii + ':' + ss;            break;        case 6:            t = Y + '年' + m + '月' + d + '日' + ' ' + hh + ':' + ii;            break;        case 7:            t = Y + '年' + m + '月' + d + '日';            break;        case 8:            t = m + '.' + d;            break;    }    return t;};