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javascript以当前日期为准计算当月、上月、下月直接输出日期的解决方案

四月Ren间 2022-02-11 阅读 66
javascript


//获取当月;
function getMonths(mons, today) {
var d = new Date();
var nowYear = d.getFullYear().toString();//今年
var nowMonth = timeAdd0((d.getMonth() + 1 + Number(mons)).toString());//当月
var nowDay = timeAdd0(d.getDate().toString());//当日
if (today == "0") {
var now = nowYear + "-" + nowMonth + "-" + nowDay;//今日标准时间; 2020-09-02
} else {
var now = nowYear + "-" + nowMonth + "-" + "01";//今日标准时间; 2020-09-02
}
return now;
}

//补齐十位数;
function timeAdd0(str) {
if (str.length <= 1) {
str = '0' + str;
}
return str
}

Done!



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