advertisingMiniProgram/miniprogram/pages/channelAdvertising/index.ts

// index.ts
// 获取应用实例
let { getChannel } = require('../../utils/api')
Page({
  data: {
    userInfo: {},
    onInitChart: undefined,
    array_act: 0,
    channelList_act: 0,
    array: [
      {
        text: "", startDate: "", endDate: ""
      }
    ],
    channelList: [
      {
        channelId: -1,
        channelName: "",
        localIndex: -1
      }
    ]
  },
  dateFommat(clearDay = 0): (string | number)[] {
    // 格式化日期 【年，月，日】
    const nowTime = new Date();
    let nowDate = new Date(nowTime.getTime() - clearDay * 86400000),
      month =
        nowDate.getMonth() + 1 > 9
          ? nowDate.getMonth() + 1
          : "0" + (nowDate.getMonth() + 1),
      day =
        nowDate.getDate() > 9 ? nowDate.getDate() : "0" + nowDate.getDate();
    return [nowDate.getFullYear(), month, day];
  },
  timeList(): { text: string; startDate: string; endDate: string; }[] {
    let o = this.dateFommat(1),
      oldT = this.dateFommat(7),
      timeSelect = [
        {
          text: "最近7天",
          startDate: oldT.join("-"),
          endDate: o.join("-"),
        },
      ];

    for (let i = 1; i <= 3; i++) {
      let T = this.dateFommat(30 * i),
        lastDay = new Date(Number(T[0]), Number(T[1]), 0);
      timeSelect.push({
        text: `${T[0]}年${T[1]}月`,
        startDate: `${T[0]}-${T[1]}-01`,
        endDate: `${T[0]}-${T[1]}-${lastDay.getDate()}`,
      });
    }
    return timeSelect;
  },
  bindPickerChange(event: wxPicker) {
    // const item = this.data.array[Number(event.detail.value)];
    this.setData({
      array_act: Number(event.detail.value)
    })
  },
  channelChange(event: wxPicker) {
    this.setData({
      channelList_act: Number(event.detail.value)
    })
  },
  onLoad() {
    const user = wx.getStorageSync("userInfo") || {};
    let p = {
      userInfo: {},
      array: this.timeList(),
      channelList: [
        { channelId: -1, channelName: "", localIndex: -1 }
      ]
    };
    user.signature && (p.userInfo = user)
    getChannel().then((li: { channelId: number, channelName: string }[]) => {
      p.channelList = (li || []).map((v, i) => {
        return {
          channelId: v.channelId,
          channelName: v.channelName,
          localIndex: i
        }
      })
      this.setData(p);
    })
  },
})