cnpm install mpvue-page-factory

将main.js app.$mount()改为

import pageFactory from 'mpvue-page-factory'
import App from './index'
Page(pageFactory(App))

https://github.com/HelloZJW/mpvue-page-factory

或者

mpvue 页面切换数据缓存解决

onLoad () { Object.assign(this.$data, this.$options.data()) }

const dataArr = []

export default {
  onLoad() {
    Object.assign(this.$data, this.$options.data())
    // fetch some data
    dataArr.push({ ...this.$data })
  },
  onUnload() {
    dataArr.pop()
    const dataNum = dataArr.length
    if (!dataNum) return
    Object.assign(this.$data, dataArr[dataNum - 1])
  },
}

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