<el-date-pickerv-model="formData.date"type="week"format="yyyy 第 WW 周"placeholder="选择周"@change="weekChange">
</el-date-picker>// 方法一：weekChange(val) {let startTime = new Date(val.getTime()); //开始时间let endTime = new Date(val.getTime() + (24 * 60 * 60 * 1000) * 6); //结束时间let timeArr = [startTime.toISOString().slice(0, 10), endTime.toISOString().slice(0, 10)];console.log(timeArr)},// 方法二：weekChange(val) {let timeStamp = val.getTime(); //标准时间转为时间戳，毫秒级别let startTimeStamp = this.getDateTime(timeStamp - 24 * 60 * 60 * 1000); //开始时间let endTimeStamp = this.getDateTime(timeStamp + (24 * 60 * 60 * 1000) * 5); //结束时间let timeArr = [startTimeStamp, endTimeStamp]console.log(timeArr)},getDateTime(dateTime) {var timeStamp = new Date(dateTime)var year = 1900 + timeStamp.getYear()var month = '0' + (timeStamp.getMonth() + 1)var date = '0' + timeStamp.getDate()return year + '-' + month.substring(month.length - 2, month.length) + '-' + date.substring(date.length - 2, date.length)}