vue.js实现双击放大预览功能

import imgPreview from './imgPreview'
 data:{
 return{
 bigImgShow: false,
 bigImgIndex:'',
 imgList:[],
 }
 }
 components: {
 imgPreview
 }, 
 method:{
 previewImage (imgList, index) {
 if (imgList) {
  this.imgList = imgList
  this.bigImgIndex = index
  this.bigImgShow = true
 }
 },
 }