EasyUI DataGrid 时间格式化

/**
 * 时间格式化
 * @param value
 * @returns {string}
 */
function dateFormatter (value) {
    var date = new Date(value);
    var year = date.getFullYear().toString();
    var month = (date.getMonth() + 1);
    var day = date.getDate().toString();
    var hour = date.getHours().toString();
    var minutes = date.getMinutes().toString();
    var seconds = date.getSeconds().toString();
    if (month < 10) {
        month = "0" + month;
    }
    if (day < 10) {
        day = "0" + day;
    }
    if (hour < 10) {
        hour = "0" + hour;
    }
    if (minutes < 10) {
        minutes = "0" + minutes;
    }
    if (seconds < 10) {
        seconds = "0" + seconds;
    }
    return year + "-" + month + "-" + day + " " + hour + ":" + minutes + ":" + seconds;
}
//列的格式为
'date' sortable="true" data-options="formatter:function(value,row,index){return dateFormatter(value);}">发送时间