用日期获取周几

<view class="weeks">
	<text @click="switchWeek(index)" v-for="(item,index) in ['周天',' 周一','周二','周三','周四','周五','周六']" class="item zk_pressed1"
	:class="{active:curWeekIndex==index}">{{item}}</text>
</view>

　　

data() {
            return {
              
                curWeekIndex: 0,
              
            }
        },

methods:

            switchWeek(index: any) {
                
                this.curWeekIndex = index;
                
            },
                    

//在获取打卡列表的里写

　　getRecord(date:any){

                var that:any = this
                
                var weekDay = ["星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
                var b = new Date(Date.parse(date.replace(/\-/g,"/")));
                // console.log(b.getDay()); console看一下
                this.curWeekIndex = b.getDay();
                
                
            },