時間轉換的js方法:

//擴充套件Date的format方法
Date.prototype.format = function (format) {
    var o = {
        "M+": this.getMonth() + 1,
        "d+": this.getDate(),
        "h+": this.getHours(),
        "m+": this.getMinutes(),
        "s+": this.getSeconds(),
        "q+": Math.floor((this.getMonth() + 3) / 3),
        "S": this.getMilliseconds()
    }
    if (/(y+)/.test(format)) {
        format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    }
    for (var k in o) {
        if (new RegExp("(" + k + ")").test(format)) {
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
        }
    }
    return format;
};
function getFormatDateByLong(l, pattern) {
    return getFormatDate(new Date(l), pattern);
};
function getFormatDate(date, pattern) {
    if (date == undefined) {
        date = new Date();
    }
    if (pattern == undefined) {
        pattern = "yyyy-MM-dd ";
    }
    return date.format(pattern);
};
function timeFormatter(value,row,index){
    if (value) {
        return getFormatDateByLong(value,"yyyy-MM-dd ");
    }else{
        return "";
    }
}
 

<th data-options="field:'datetime',width:10,align:'center',formatter:timeFormatter">資料時間</th>