<view class="dateView">
    <image class="dateLeft" bindtap="prevWeek" src="/UploadFiles/2021-04-02/dateLeft.png">

wxss


.dateView{
 padding:0 32rpx;
 height:98rpx;
 display: flex;
 align-items: center;
 background:#fff;
}
.dateView>image{
 width:50rpx;
 height:50rpx;
}
.dateView>view{
 flex: 1;
 text-align: center;
 color:#333;
 font-size: 34rpx;
}


js


const GetPeriod = require("../../utils/getperiod.js");
Page({

 /**
  * 页面的初始数据
  */
 data: {
  currentTab: 1,
  dateStart:'2019-10-16',
  dateEnd: '2019-10-16',
 },

 /**
  * 生命周期函数--监听页面加载
  */
 onLoad: function(options) {
  let that = this;
 
  that.getWeekStartDate(0)
 },

 //获取本周的开始日期
 getWeekStartDate(numDay) {
  let that = this;
  this.now = new Date();
  this.nowYear = this.now.getYear(); //当前年 
  this.nowMonth = this.now.getMonth(); //当前月 
  this.nowDay = this.now.getDate(); //当前日 
  this.nowDayOfWeek = this.now.getDay(); //今天是本周的第几天 
  this.nowYear += (this.nowYear < 2000) "/");
  now = now.substring(5);
  this.setData({
   dateStart: dateStart,
   dateEnd: dateEnd,
   now: now,
   dates: now,
  })
  // 初始化数据(历史纪录)
  var timestamp = Date.parse(new Date(this.data.dateStart));
  timestamp = timestamp / 1000;
  // console.log(timestamp);
  that.setData({
   timestamp: timestamp
  })  
 },

// 点击上一周
prevWeek: function(e) {
this.data.num = this.data.num - 7;
this.getWeekStartDate(this.data.num);
},
// 点击下一周
nextWeek: function(e) {
this.data.num = this.data.num + 7;
this.getWeekStartDate(this.data.num);
 },
}）




function constructor1 (){
 this.now = new Date();
 this.nowYear = this.now.getYear(); //当前年 
 this.nowMonth = this.now.getMonth(); //当前月 
 this.nowDay = this.now.getDate(); //当前日 
 this.nowDayOfWeek = this.now.getDay(); //今天是本周的第几天 
 this.nowYear += (this.nowYear < 2000) "text-align: center">

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。