vue计算图片尺寸 获取宽高

methods:{getData(){// 获取数据后传入图片url获取尺寸(宽高)data.map(async item => {item.imgSize = await this.getImgSize(item.imgUrl)})}// 获取图片尺寸getImgSize (url) {return new Promise((resolve, reject) => {let imgObj = new Image()imgObj.src = urlimgObj.onload = () => {resolve({width: imgObj.width,height: imgObj.height})}})}}