viewImage.vue
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<template>
<div v-show="visible" class="image-viewer-wrapper">
<div class="image-viewer-mask" @click="close"></div>
<div class="image-viewer-content">
<img
:src="imageUrl"
:style="imageStyle"
@error="handleImageError"
/>
<span class="image-viewer-close" @click="close">
<i class="el-icon-close"></i>
</span>
</div>
</div>
</template>
<script>
export default {
name: 'ViewImage',
data() {
return {
visible: false,
imageUrl: '',
imageWidth: 0,
imageHeight: 0
}
},
computed: {
imageStyle() {
return {
width: this.imageWidth ? `${this.imageWidth}px` : 'auto',
height: this.imageHeight ? `${this.imageHeight}px` : 'auto',
maxWidth: '90vw',
maxHeight: '90vh'
}
}
},
methods: {
open(url) {
this.imageUrl = url
this.visible = true
this.$nextTick(() => {
this.calculateImageSize(url)
})
},
close() {
this.visible = false
this.imageUrl = ''
this.imageWidth = 0
this.imageHeight = 0
},
handleImageError(e) {
e.target.src = '/img/noPhoto.jpg'
},
calculateImageSize(url) {
const img = new Image()
img.src = url
img.onload = () => {
const maxWidth = window.innerWidth * 0.8
const maxHeight = window.innerHeight * 0.8
const ratio = Math.min(maxWidth / img.width, maxHeight / img.height, 1)
this.imageWidth = img.width * ratio
this.imageHeight = img.height * ratio
}
}
}
}
</script>
<style lang="scss" scoped>
.image-viewer-wrapper {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 9999;
display: flex;
justify-content: center;
align-items: center;
.image-viewer-mask {
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.7);
}
.image-viewer-content {
position: relative;
z-index: 1;
padding: 20px;
background-color: #fff;
border-radius: 4px;
text-align: center;
img {
display: block;
margin: 0 auto;
object-fit: contain;
}
}
.image-viewer-close {
position: absolute;
top: 10px;
right: 10px;
font-size: 24px;
color: #f56c6c;
cursor: pointer;
z-index: 2;
&:hover {
color: #f78989;
}
}
}
</style>