js设置动态设置时间周范围

格式：

周一 — 周日

最终实现的效果：

点击实现切换，每点击一次当前日期向前推一周；

 

//实时改变周

function getWeek() {

this.nowTime = new Date();

this.init = function(time) {

var date = time ? new Date(time) : this.nowTime;

this.dayInWeek = date.getDay();

this.dayInWeek == 0 && (this.dayInWeek = 7);

this.thsiWeekFirstDay = date.getTime() - (this.dayInWeek - 1) * 86400000;

this.thisWeekLastDay = date.getTime() + (7 - this.dayInWeek) * 86400000;

return this;

};

this.getWeekType = function(type) {

type = ~~type;

var firstDay = this.thsiWeekFirstDay + type * 7 * 86400000;

var lastDay = this.thisWeekLastDay + type * 7 * 86400000;

return this.getWeekHtml(firstDay, lastDay);

}

this.formateDate = function(time) {

var newTime = new Date(time)

var year = newTime.getFullYear();

var month = newTime.getMonth() + 1;

var day = newTime.getDate();

return (month >= 10 ? month : "0" + month) + "." + (day >= 10 ? day : "0" + day);

};

this.getWeekHtml = function(f, l) {

return this.formateDate(f) + "-" + this.formateDate(l);

};

}

var getWeek = new getWeek();

var d = new Date()

var aWeek=1000*60*60*24*7;

var time = d.getTime()-aWeek;

var weeks = getWeek.init(time).getWeekType();

 

//判断点击的次数进行切换

$(".time").html(weeks)

var ind = 0;

$(".time").click(function(){

if(ind>=4||ind<0){

ind=1

}else{

++ind;

}

var time = d.getTime()-ind*aWeek;

var weeksd = getWeek.init(time).getWeekType();

$(".time").html(weeksd)

})