获取最近七天的日期和星期几

const now = new Date();

     const nowTime = now.getTime() ;

     const oneDayTime = 24*60*60*1000 ;

const arry = [-3,-2,-1,0,1,2,3];

const weekDate=[]

     for(let item of arry){

         const ShowTime = nowTime + item*oneDayTime ;

         //初始化日期时间

         const myDate = new Date(ShowTime);

         const year=myDate.getFullYear();

         const month=myDate.getMonth()+1;

const date=myDate.getDate();

const week="日一二三四五六".charAt(myDate.getDay())

weekDate.push( {year,month,date,week} )

     }