js 小程序获取本周七天

data: {

weekdays:['','','','','','','']

},

 

 

onLoad: function (options) {

let that = this;

let now = new Date();

let today = now.getFullYear() + '-' + (now.getMonth() + 1) + '-' + now.getDate();

let nowDayOfWeek = now.getDay();

// console.log(today)

this.selectFn(nowDayOfWeek, today)

},

selectFn: function (n,toady) {

let weekdays = this.data.weekdays;

if(n!=0){

weekdays[n - 1] = toady;

}else{

weekdays[weekdays.length - 1] = toady

}

console.log(weekdays)

// console.log(this.getWeek(0))

for (let i = 0; i < weekdays.length;i++){

if (weekdays[i]==''){

// console.log(i)

if(i>n-1){

weekdays[i] = this.getWeek(i - n + 1)

}else{

weekdays[i] = this.getWeek(i - n + 1)

}

}

if (i >= weekdays.length-1){

console.log(weekdays)

}

}

},

getWeek: function (i) {

var now = new Date();

var firstDay = new Date(now - (now.getDay() -2) * 86400000);

firstDay.setDate(firstDay.getDate() + i);

let mon = Number(firstDay.getMonth()) + 1;

return now.getFullYear() + "-" + mon + "-" + firstDay.getDate();

},

 

["2018-3-26", "2018-3-27", "2018-3-28", "2018-3-29", "2018-3-30", "2018-3-31", "2018-4-1"]