HarmonyOS 月视图模式的日历组件参考

// import { Lunar } from 'lunar-javascript'
import dateClass from '../beans/DateClass'
import dayjs from 'dayjs'

@Entry
@Component
struct DatePickerDialogExample01 {
  weekList: Array<string> = ['一', '二', '三', '四', '五', '六', '日']
  @State show: boolean = false
  @State selectDate: dayjs.Dayjs = dayjs()
  @State selectMonth: string = dayjs().format('YYYY年MM月')
  @State dataList: Array<dateClass> = []
  @State monthParam: number = 0 //切换日历的参数

  build() {
    Column() {
      Button('弹出或关闭日历')
        .height(36)
        .fontSize(20)
        .fontColor(Color.White)
        .onClick(() => {
          this.show = !this.show
          this.selectDate = dayjs()
          this.monthParam = 0
          this.getDataList(this.monthParam)
        })

      if (this.show) {
        Row() {
          Text(this.selectMonth)
            .fontSize(16)
            .fontColor(Color.White)
          Row() {
            Row() {
              Image($r('app.media.startIcon'))
                .width(24)
                .height(12)
                .backgroundColor(Color.Black)
            }
            .height('100%')
            .width(48)
            .alignItems(VerticalAlign.Center)
            .justifyContent(FlexAlign.Center)
            .onClick(() => {
              this.monthParam--
              this.getDataList(this.monthParam)
            })

            Row() {
              Image($r('app.media.startIcon'))
                .width(24)
                .height(12)
                .backgroundColor(Color.Black)
            }
            .height('100%')
            .width(48)
            .alignItems(VerticalAlign.Center)
            .justifyContent(FlexAlign.Center)
            .onClick(() => {
              this.monthParam++
              this.getDataList(this.monthParam)
            })
          }
        }
        .height(48)
        .width('100%')
        .justifyContent(FlexAlign.SpaceBetween)

        Row() {
          ForEach(this.weekList, (item: string) => {
            Text(item)
              .fontSize(16)
            Row() {
              ForEach(this.weekList, (item: string) => {
                Text(item)
                  .fontSize(16)
                  .fontColor(Color.White)
                  .width(48)
                  .textAlign(TextAlign.Center)
              })
            }
            .width('100%')

            Grid() {
              ForEach(this.dataList, (item: dateClass) => {
                GridItem() {
                  Column() {
                    Text(item.day.toString())
                      .fontSize(16)
                      .fontColor(Color.White)
                      .width(48)
                      .textAlign(TextAlign.Center)
                      .opacity(item.isToMonth ? 1 : 0.4)
                    Text(item.lunarDay)
                      .fontSize(12)
                      .fontColor(Color.White)
                      .width(48)
                      .textAlign(TextAlign.Center)
                      .opacity(item.isToMonth ? 1 : 0.4)
                  }
                  .width(48)
                  .height(48)
                  .alignItems(HorizontalAlign.Center)
                  .justifyContent(FlexAlign.Center)
                  .backgroundColor(item.dayjsObj.format('YYYY-MM-DD') ==
                  dayjs().format('YYYY-MM-DD') ?
                    '#007DFF' : Color.Black)
                  .borderWidth(1)
                  .borderColor(item.dayjsObj.format('YYYY-MM-DD') ==
                  this.selectDate.format('YYYY-MM-DD') ?
                    '#007DFF' : Color.Black)
                  .onClick(() => {
                    this.selectDate = item.dayjsObj
                  })
                }
              })
            }
            .height(288)
            .columnsTemplate('1fr 1fr 1fr 1fr 1fr 1fr 1fr')
            .rowsTemplate('1fr 1fr 1fr 1fr 1fr 1fr')
            .columnsGap(0)
            .rowsGap(0)
          }
        }
        .width('100%')
        .height('100%')
        .backgroundColor(Color.Black)
        .justifyContent(FlexAlign.Center)
        .padding({ left: 12, right: 12 })
      }
      getDataList(param: number) {
        this.dataList = []
        let firstDate = dayjs().add(param, 'month').startOf('month') // 当月的第一天
        let afterDate = dayjs().add(param, 'month').endOf('month') // 当月的最后一天
        this.selectMonth = firstDate.format('YYYY年MM月')
        let frontDay = 0 // 显示日历的第一天需要向前的天数
        if (firstDate.day() == 0) {
          frontDay = 6
        } else {
          frontDay = firstDate.day() - 1
        }
        let showFirstDay = firstDate.subtract(frontDay, 'day') // 显示日历的第一天
        for (let i = 0;i < 42; i++) {
          let dayjsObj = showFirstDay.add(i, 'day')
          let day = dayjsObj.date()
          let lunarDay = ''
          // if (Lunar.fromDate(dayjsObj.toDate()).getFestivals().length !== 0) { // 显示节日
          // lunarDay = Lunar.fromDate(dayjsObj.toDate()).getFestivals()[0]
          // } else if (Lunar.fromDate(dayjsObj.toDate()).getJieQi() !== '') { // 显示节气
          // lunarDay = Lunar.fromDate(dayjsObj.toDate()).getJieQi()
          // } else { // 显示农历日期
          // lunarDay = Lunar.fromDate(dayjsObj.toDate()).getDayInChinese()
          // }
          let isToMonth = true
          if (dayjsObj.isBefore(firstDate) || dayjsObj.isAfter(afterDate)) {
            isToMonth = false
          }
          this.dataList.push(new dateClass(dayjsObj, day, lunarDay, isToMonth))
        }
        // console.log('aboutToAppear',JSON.stringify(this.dataList))
      }

      aboutToAppear() {
        this.getDataList(this.monthParam)
      }
    }
    // @ts-ignore
    import dayjs from 'dayjs'

    export default class DateClass {
      dayjsObj: dayjs.Dayjs // dayjs时间
      day: number // 天
      lunarDay: string // 农历
      isToMonth: boolean // 是否当前月

      constructor(dayjsObj: dayjs.Dayjs, day: number, lunarDay: string, isToMonth: boolean) {
        this.dayjsObj = dayjsObj
        this.day = day
        this.lunarDay = lunarDay
        this.isToMonth = isToMonth
      }
    }