# 安装依赖
npm install tt-bridge

import {
  registerHandler,
  callHandler,
  WebTongBridge,
  bridgeCallBack 
} from 'tt-bridge'
  // 注册回调至window.tongbridge
  registerHandler('callBack', (data, callback) => {
    console.log('callBack', data)

  })
 /**
 * 一次性通信native
 * @param {Object} data
 * @param {Function} callback
 */
 callHandler('closeWebview')
const res  = await callHandler('getToken')
 
  // WebTongBridge 为web注入bridge
  WebTongBridge.init()

//bridgeCallBack 为native注入回调
const closebridge = bridgeCallBack(() => {
  console.log('bridgeCallBack')
})
unMounted(() => {
  closebridge()
})
<template>
  <div>about</div>
</template>