Agency_WxApp/miniprogram/pages/voyageManage/myBills/myBills.js

// pages/voyageManage/myBills/myBills.js
const app = getApp()
const {
  postApi
} = require("../../../apis/api")

Page({
  data: {
    medias: [],
    voyageId: 0,
    trans: '',
  },

  check(e) {
    let arr = this.data.currentBillItem.shipownerUploadFiles
    let {
      index,
      index: checkedIndex
    } = e.currentTarget.dataset
    // arr[index].checked = arr[index].checked ? false : true
    for (let i in arr) {
      if (i == checkedIndex) {
        arr[i].checked = true
      } else {
        arr[i].checked = false
      }
    }
    this.data.currentBillItem.shipownerUploadFiles = arr
    this.setData({
      currentBillItem: this.data.currentBillItem
    })
  },
  onLoad(options) {
    let currentBillItem = app.globalData.currentBillItem
    this.setData({
      currentBillItem,
      voyageId: options.id
    })

  },
  isTrue() {

  },
  examineMedia() {
    let arr = this.data.currentBillItem.shipownerUploadFiles
    if (!arr.some((e) => {
        return e.checked
      })) {
      wx.showToast({
        title: '至少选择一张单据',
        icon: "error"
      })
      return
    }
    wx.navigateTo({
      url: `/pages/voyageManage/myBills/examine/examine?id=${this.data.voyageId}`,
    })
  },
  onShareAppMessage() {

  }
})