<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>获取本周日期</title>
</head>
<body>
<script>
// 所需数据格式
// {
// id: 1,
// name: "周一",
// job: "12月16日"
// },
// 获取本周七天日期
function getWeekDay(dateString) {
let dateStringReg = /^\d{4}[/-]\d{1,2}[/-]\d{1,2}$/;
if (dateString.match(dateStringReg)) {
let presentDate = new Date(dateString),
today = presentDate.getDay() !== 0 ? presentDate.getDay() : 7;
return Array.from(new Array(7), function (val, index) {
return formatDate(new Date(presentDate.getTime() - (today - index - 1) * 24 * 60 * 60 *
1000));
});
} else {
throw new Error('dateString should be like "yyyy-mm-dd" or "yyyy/mm/dd"');
}
function formatDate(date) {
return date.getFullYear() + '年' + (date.getMonth() + 1) + '月' + date.getDate()+'日';
}
}
var data=getWeekDay('2019-12-9');
// var arr=[];
// var weekday = [ "星期一", "星期二", "星期三", "星期四", "星期五", "星期六","星期日"];
// data.map((val,index)=>{
//arr.push({
// id:index,
// name:weekday[index],
// job:val
//})
// });
</script>
</body>
</html>
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