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vue实现点击图片放大效果

```...简单点 人气:0

本文实例为大家分享了vue点击图片放大展示的具体代码,供大家参考,具体内容如下

1.建立子组件,来实现图片方法功能: BigImg.vue

<template>
  <!-- 过渡动画 -->
  <transition name="fade">
     <div class="img-view" @click="bigImg">
       <!-- 遮罩层 -->
       <div class="img-layer"></div>
       <div class="img">
         <img :src="imgSrc">
       </div>
    </div>
  </transition>
</template>
<script>
  export default {
    props: ['imgSrc'],//接受图片地址
    methods: {
      bigImg() {
      // 发送事件
        this.$emit('clickit')
      }
    }
  }
</script>
<style scoped>
  /*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>

2.在父类中使用子组件:

<template xmlns:v-on="http://www.w3.org/1999/xhtml">
  <div class="contents">
    <div class="group">
      <div class="special">
        <span v-text="pagedata.subtitle"></span>
      </div>
      <span class="text-muted" v-text="pagedata.headline"></span>
      <div class="group_img">
        <!-- 放大图片 -->
        <big-img v-if="showImg" @clickit="viewImg" :imgSrc="imgSrc"></big-img>
   
        <div class="text" v-text="pagedata.article"></div>
        <img id="smallImg" :src="pagedata.imgurl" @click="clickImg($event)">
      </div>
    </div>
  </div>
</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>

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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