/**
 * 获取当前时间，格式YYYY-MM-DD
 * @param {number} days 例如: -1 -> 获取前一天 ,  1 -> 获取后一天
 * @returns {string}
 */
function getNowFormatDate(days) {
    days = days || 0;
    var date = new Date(new Date().getTime() + 60 * 60 * 1000 * 24 * days);
    var seperator1 = "-";
    var year = date.getFullYear();
    var month = date.getMonth() + 1;
    var strDate = date.getDate();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if (strDate >= 0 && strDate <= 9) {
        strDate = "0" + strDate;
    }
    var currentdate = year + seperator1 + month + seperator1 + strDate;
    return currentdate;
}

//获取当前时间，格式YYYY-MM-DD
function getNowYearMonthDate() {
    var date = new Date();
    var seperator1 = "-";
    var year = date.getFullYear();
    var month = date.getMonth();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if(month == 0){
    	year = year-1;
    	month = 12;
    }
    var currentdate = year + seperator1 + month;
    return currentdate;
}

//获取当前时间，格式YYYY-MM-DD
function getNowYearDate() {
    var date = new Date();
    var year = date.getFullYear();
    var currentdate = year;
    return currentdate;
}