uniapp点击预览单张图片

<!-- 传入要预览的图片地址userInfo.avatar --><image :src="userInfo.avatar" @click="clickImg(userInfo.avatar)"  mode="aspectFill" ><script>export default {    data() {      return {        userInfo: ''      }    },        methods: {      // 预览      clickImg(photoImg) {        let imgsArray = [];        imgsArray[0] = photoImg;        uni.previewImage({          current: 0,          urls: imgsArray        })      }    }}