<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>获取当前时间到30天之后的日期区间</title>
</head>
<body>
<script>
var startDate = new Date();
var endDate = new Date();
endDate.setDate(startDate.getDate() + 30);
var dataArr = [];
var weeks = ['日', '一', '二', '三', '四', '五', '六'];
while((endDate.getTime() - startDate.getTime()) >= 0) {
var month = (startDate.getMonth() + 1).toString().length == 1 ? "0" + (startDate.getMonth() + 1).toString() : (startDate.getMonth() + 1);
var day = startDate.getDate().toString().length == 1 ? "0" + startDate.getDate() : startDate.getDate();
var week = weeks[startDate.getDay()];
dataArr.push(month + "月" + day + '日（周' + week + '）');
startDate.setDate(startDate.getDate() + 1);
}
dataArr[0] = '今天' + dataArr[0].slice(6, 10);
dataArr[1] = '明天' + dataArr[1].slice(6, 10);
dataArr[2] = '后天' + dataArr[2].slice(6, 10);
console.log(dataArr);
</script>
</body>
</html>