用的vue-cli开发的项目，下面是具体实现代码
子组件：
<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'],
methods: {
bigImg() {
// 发送事件
this.$emit('clickit')
}
}
}
</script>
<style scoped>
/*动画*/
.fade-enter-active,
.fade-leave-active {
transition: all .2s linear;
transform: translate3D(0, 0, 0);
} .fade-enter,
.fade-leave-active {
transform: translate3D(100%, 0, 0);
} /* bigimg */ .img-view {
position: relative;
width: 100%;
height: 100%;
} /*遮罩层样式*/
.img-view .img-layer {
position: fixed;
z-index: 999;
top: 0;
left: 0;
background: rgba(0, 0, 0, 0.7);
width: 100%;
height: 100%;
overflow: hidden;
} /*不限制图片大小，实现居中*/
.img-view .img img {
max-width: 100%;
display: block;
position: absolute;
left: 0;
right: 0;
margin: auto;
z-index: 1000;
}
</style>
父组件：
<template>
<div>
<img :src="demo.png" @click="clickImg($event)">
<!-- 放大图片 -->
<big-img v-if="showImg" @clickit="viewImg" :imgSrc="imgSrc"></big-img>
</div>
</template> <script>
import BigImg from '../global/BigImg.vue';
export default {
data() {
return {
showImg:false,
imgSrc: ''
}
},
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;
},
}
}
</script>
效果图：