ImgUploader.vue
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<template>
<div id="ImgUploader" :class="type">
<div class="imgItem" v-for="(item, index) in displayList" :key="index" @click="changeImg(index)">
<img :src="item" alt="">
</div>
<div class="imgItem addImg" v-show="imgList.length < limit" @click="addImg">
<div class="hint">{{hint}}</div>
<v-icon>add</v-icon>
</div>
<input type="file" ref="input" @change="handleChange" :multiple="limit > 1" :accept="accept">
</div>
</template>
<script>
export default {
data: () => ({
imgList: [],
displayList: [],
imgIndex: 0,
}),
props: {
limit: {
type: Number,
default: 1
},
type: {
type: String,
default: 'multi'
},
hint: {
type: String,
default: '',
},
accept: {
type: String,
default: 'image/png, image/jpeg, image/webp'
}
},
methods: {
addImg() {
this.$refs.input.click()
},
changeImg(index) {
console.log(this.imgIndex)
this.imgIndex = parseInt(index)
console.log(index)
this.$refs.input.click()
},
handleChange(e) {
const files = e.target.files;
if (this.limit === 1) {
const file = files[0]
let fr = new FileReader()
fr.readAsDataURL(file)
this.imgList[this.imgIndex] = file
fr.onloadend = (e) => {
let newList = [].concat(this.displayList)
newList[0] = e.target.result
this.displayList = newList
}
this.$emit('change', this.imgList)
return
}
for (let i = 0; i < files.length; i++) {
if (this.imgList.length < this.limit) {
const file = files[i]
let fr = new FileReader()
fr.readAsDataURL(file)
this.imgList[this.imgIndex] = file
fr.onloadend = (e) => {
let newList = [].concat(this.displayList)
newList[this.imgIndex] = e.target.result
this.displayList = newList
if (this.limit > 1) {
this.imgIndex = this.imgList.length
}
}
}
}
this.$emit('change', this.imgList)
},
}
}
</script>
<style lang="scss" scoped>
#ImgUploader {
width: 100%;
input {
height: 0;
width: 0;
}
&.multi {
display: flex;
justify-content: flex-start;
align-items: center;
flex-direction: row;
flex-wrap: wrap;
.imgItem {
width: 5rem;
height: 5rem;
margin-right: 0.5rem;
margin-top: 0.5rem;
transition: all 0.3s linear;
text-align: center;
img {
width: auto;
height: auto;
max-width: 100%;
max-height: 100%;
vertical-align: bottom;
}
.icon {
font-size: 4rem;
}
&.addImg {
border: 1px dashed #979797;
line-height: 5rem;
text-align: center;
}
}
}
&.single {
width: 100%;
.imgItem {
width: 100%;
height: 11rem;
box-sizing: border-box;
margin-top: 0.5rem;
transition: all 0.3s linear;
text-align: center;
img {
width: auto;
height: auto;
max-width: 100%;
max-height: 100%;
vertical-align: bottom;
margin: auto;
}
.hint {
color: #979797;
font-size: 1.3rem;
height: 1.3rem;
line-height: 1.3rem;
margin-top: 3rem;
}
.icon {
font-size: 4rem;
color: #979797;
}
&.addImg {
border: 2px dashed #979797;
line-height: 5rem;
text-align: center;
transition: all 0.3s ease-in-out;
}
}
}
}
</style>