<calendar  calendar-style="calendar"  header-style="calendar-header"  board-style="calendar-board"
 days-color="{{dayStyle}}" weeks-type="cn" binddayClick="dayClick" />

/* 日历 */
.calendar {
    background-color:white;  
    padding-top: 10px; 
}
.calendar-header{
  font-size: large;
  color: #59518d;
}
.calendar-board{
  color: #c7cbe2;
   font-weight: bold;
}

Page({

  /**
   * 页面的初始数据
   */
  data: {
    dayStyle: [
      { month: ‘current‘, day: new Date().getDate(), color: ‘white‘, background: ‘#AAD4F5‘ }, 
      { month: ‘current‘, day: new Date().getDate(), color: ‘white‘, background: ‘#AAD4F5‘ }
    ],
  },
  //给点击的日期设置一个背景颜色
  dayClick: function (event) {
    let clickDay = event.detail.day;
    let changeDay = `dayStyle[1].day`;
    let changeBg = `dayStyle[1].background`;
    this.setData({
      [changeDay]: clickDay,
      [changeBg]: "#84e7d0"
    })
    
  },
  onLoad:function(){ }
})