vue实现点击图片放大功能（附代码）

<template>
  <!-- 过渡动画 -->
  <transitionname="fade">
     <pclass="img-view"@click="bigImg">
      <!-- 遮罩层 -->
       <pclass="img-layer"></p>
       <pclass="img">
         <img:src="imgSrc">
       </p>
    </p>
  </transition>
</template>
<script>
  export default {
    props: ['imgSrc'],//接受图片地址
    methods: {
      bigImg() {
      // 发送事件
        this.$emit('clickit')
      }
    }
  }
</script>
<stylescoped>
  /*动画*/
  .fade-enter-active,
  .fade-leave-active {
    transition: all .2s linear;
    transform: translate3D(0, 0, 0);
  }
  .fade-enter,
  .fade-leave-active {
    transform: translate3D(100%, 0, 0);
  }
  
  /* bigimg */
  .img-view {
    position: inherit;
    width: 100%;
    height: 100%;
  }
  /*遮罩层样式*/
  .img-view .img-layer {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.7);
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  /*不限制图片大小，实现居中*/
  .img-view .img img {
    max-width: 100%;
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    z-index: 1000;
  }
</style>

<templatexmlns:v-on="http://www.w3.org/1999/xhtml">
  <pclass="contents">
    <pclass="group">
      <pclass="special">
        <spanv-text="pagedata.subtitle"></span>
      </p>
      <spanclass="text-muted"v-text="pagedata.headline"></span>
      <pclass="group_img">
        <!-- 放大图片 -->
        <big-imgv-if="showImg"@clickit="viewImg":imgSrc="imgSrc"></big-img>
   
        <pclass="text"v-text="pagedata.article"></p>
        <imgid="smallImg":src="pagedata.imgurl"@click="clickImg($event)">
      </p>
    </p>
  </p>
</template>
  
<script>
import BigImg from '../../index/moduleStyles/BigImg.vue';
export default {
  data () {
    return {
      showImg:false,
      imgSrc: ''
    }
  },
  props: ['pagedata'],
  computed: {},
  components: { 'big-img':BigImg},
  methods: {
    clickImg(e) {
      this.showImg = true;
      // 获取当前图片地址
      this.imgSrc = e.currentTarget.src;
    },
    viewImg(){
      this.showImg = false;
    },
  },
  watch: {},
}
</script>
<style>
</style>