A页面
export const showModal=({content})=>{return new Promise((resolve,reject)=>{wx.showModal({title:'提示',content:content,success:(res)=>{ resolve(res)},fail:(err)=>{reject(err)}})})
}B页面
import regeneratorRuntime from '../../lib/runtime/runtime';
import {getSetting,chooseAddress,openSetting,showModal} from '../../utils/async.js'async reduce(e){const res = await showModal({content:'你确定要删除吗'});if (res.confirm){// 确定car.splice(item,1);// console.log(this)this.setCart(car);} else if (res.cancel) {// 取消console.log('用户取消了')}}