viewImage.vue
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<template>
<div class="view-image-wrapper" v-show="visible">
<div class="image-container">
<img
:src="imageUrl"
:style="{
width: imgWidth + 'px',
height: imgHeight + 'px'
}"
@error="handleImageError"
/>
<i class="el-icon-close close-icon" @click="close"></i>
</div>
</div>
</template>
<script>
export default {
name: 'ViewImage',
data() {
return {
visible: false,
imageUrl: '',
imgWidth: 800,
imgHeight: 800
}
},
methods: {
open(url) {
this.imageUrl = url
this.visible = true
this.calculateImageSize(url)
this.enterFullscreen()
},
close() {
this.visible = false
this.exitFullscreen()
},
handleImageError() {
this.imageUrl = '/img/noPhoto.jpg'
},
calculateImageSize(url) {
const img = new Image()
img.src = url
img.onload = () => {
const imgScale = img.width / img.height
this.imgWidth = 800
this.imgHeight = 800 / imgScale
}
},
enterFullscreen() {
const element = document.querySelector('.view-image-wrapper')
if (element.requestFullscreen) {
element.requestFullscreen()
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen()
} else if (element.webkitRequestFullscreen) {
element.webkitRequestFullscreen()
} else if (element.msRequestFullscreen) {
element.msRequestFullscreen()
}
},
exitFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen()
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen()
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen()
}
}
},
mounted() {
document.addEventListener('fullscreenchange', () => {
if (!document.fullscreenElement) {
this.close()
}
})
}
}
</script>
<style lang="scss" scoped>
.view-image-wrapper {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.8);
z-index: 9999;
display: flex;
justify-content: center;
align-items: center;
.image-container {
position: relative;
background-color: #fff;
padding: 20px;
border-radius: 4px;
img {
max-width: 90vw;
max-height: 90vh;
object-fit: contain;
}
.close-icon {
position: absolute;
top: 10px;
right: 10px;
font-size: 24px;
color: #f56c6c;
cursor: pointer;
z-index: 1;
&:hover {
color: #f78989;
}
}
}
}
</style>