<scroll-view class="scroll-view" scroll-left="{{scrollLeftIndex*itemWidth}}" scroll-x scroll-with-animation>

 <view class=‘item‘ style=‘width:{{itemWidth}}px‘ wx:for="{{dateList}}" data-index=‘{{index}}‘ bindtap=‘clickDate‘>

 <view class=‘text-view‘>

 <view class=‘day {{index==clickIndex?"day-active":""}}‘>{{item.day}}</view>

 <text class=‘month‘>{{item.month}}月</text>

 <view wx:if="{{item.month == sysmonth && item.day == nowDate}}">

 <text class=‘week‘>今日</text>

 </view>

 <view wx:else>

 <text class=‘week‘>{{item.week}}</text>

 </view>

 </view>

 </view>

</scroll-view>

  

 /**

 * 页面的初始数据

 */

 data: {

 dateList:[], //存放日期的数组

 nowDate:‘‘, //系统当前日期

 },

 // 格式化日期，时间

 formatTime(date) {

 const year = date.getFullYear()

 const month = date.getMonth() + 1

 const day = date.getDate()

 const hour = date.getHours()

 const minute = date.getMinutes()

 const second = date.getSeconds()

 return [year, month, day].map(this.formatNumber).join(‘/‘) + ‘ ‘ + [hour, minute, second].map(this.formatNumber).join(‘:‘)

 },

 // 格式化数字

 formatNumber(n) {

 n = n.toString()

 return n[1] ? n : ‘0‘ + n

 },

  

 // 获取日期详情

 getDateInfo(ts) {

 const date = new Date(ts);

 const weekArr = new Array("日", "一", "二", "三", "四", "五", "六");

 const week = date.getDay();

 let dateString = this.formatTime(date);

 let shortDateString = dateString.replace(/\//g, ‘-‘).substring(5, 10).replace(/-/g, ‘月‘) + "日";

 if (date.getDate() < 10) {

 shortDateString = shortDateString.replace(/0/g, ‘‘);

 }

 return {

 shortDateString,

 dateString,

 month: date.getMonth() + 1,

 day: date.getDate(),

 week: weekArr[week]

 }

 },

  

 * 生命周期函数--监听页面加载

 */

 onLoad: function (options) {

 var that = this;

 var myDate = new Date(); //获取系统当前时间

 var sysmonth = myDate.getMonth() + 1

 var nowDate = myDate.getDate(); //当前是本月几日

 var today = myDate.toLocaleDateString(); //今日年月日

 that.setData({

 nowDate: nowDate,

 sysmonth: sysmonth

 }),

 console.log(‘系统日期：‘,myDate);

 console.log(‘系统日期（年/月/日）：‘,today);

 console.log(‘系统日期（月）：‘, sysmonth);

 console.log(‘系统日期（日）：‘, nowDate);

  

 // 获取屏幕宽度，设置每个日期宽度

 wx.getSystemInfo({

 success: (res) => {

 console.log(res);

 this.setData({

 windowWidth: res.windowWidth,

 itemWidth: parseInt(res.windowWidth / 7)

 });

 },

 })

 this.initData();

 },

  

 // 初始化日期

 initData() {

 const nowDateTime = +new Date();

 let dateList = [];

 for (let i = -30; i < 30; i++) {

 let obj = this.getDateInfo(nowDateTime + i * 24 * 60 * 60 * 1000);

 obj.isChoose = i == 0;

 dateList.push(obj);

 }

 this.setData({

 dateList,

 clickIndex: 30,

 scrollLeftIndex: 30

  

 });

 },

  

 // 点击日期方法

 clickDate(e) {

 var that = this;

 console.log(‘点击日期携带的下标：‘, e.currentTarget.dataset.index); //当前的点击的日期

 var index = e.currentTarget.dataset.index;

 that.setData({

 clickIndex: index

 });

 // console.log(that.data.scrollLeftIndex);

 console.log(‘当前点击日期：‘,that.data.dateList[index].shortDateString); //当前点击的日期

  

 // const {

 // index

 // } = e.currentTarget.dataset;

 // this.setData({

 // clickIndex: index

 // });

 // console.log(this.data.dateList[index]);

 },

最后是我们的样式：