数据可视化大屏辅助插件API(1):javascript封装时间函数

//获取本月1日日期
function getMon() {
    var today = new Date();
    var tYear = today.getFullYear();
    var tMonth = today.getMonth();
    tMonth = doHandleMonth(tMonth + 1);
    return tYear + "-" + tMonth + "-" + '01';
}

/**获取近N天*/
function getRecentDay(day) {
    var today = new Date();
    var targetday_milliseconds = today.getTime() + 1000 * 60 * 60 * 24 * day;
    today.setTime(targetday_milliseconds);
    var tYear = today.getFullYear();
    var tMonth = today.getMonth();
    var tDate = today.getDate();
    tMonth = doHandleMonth(tMonth + 1);
    tDate = doHandleMonth(tDate);
    return tYear + "-" + tMonth + "-" + tDate;
}
function doHandleMonth(month) {
    var m = month;
    if (month.toString().length == 1) {
        m = "0" + month;
    }
    return m;
}