reader/pages/chat/index.js

const app = getApp()
Page({
  data: {
    value: '',
    isIos: app.globalData.isIOS
  },
  onLoad(options) {

  },
  sendReply() {
    if (!this.data.value) {
      return
    }
  },
  bindKeyInput(e) {
    this.setData({
      value: e.detail.value
    })
  }
})