vue多圖上傳 拖拽排序
阿新 • • 發佈:2020-12-20
技術標籤:多圖
<template>
<div>
<div class='dragplace'>
<draggable class='dragplace' v-model="attachmentList" :options="{animation: 60,}" :move="getdata" @update="datadragEnd">
<div class='bg' v-for="(child,index) in attachmentList" :key="index">
<div class="iconbg">
<i @click="handleFileRemove(child,index)" class="el-icon-delete tinyicon"></i>
<img class='middleicon' @click="handleFileView(child,index)" :src="child.url" alt="">
</div>
</div>
</draggable>
<div>
<label htmlFor="my-uploader">
<div class="eva_upLoadBtn">
<img class="eva_cameraImg" src="../../assets/images/nofiles.png" alt= "">
<span>新增照片</span>
</div>
<input id="my-uploader" style="display:none" ref='uploaderInputRef' multiple accept="image/*" type="file" @change='onFileChange' />
</label>
</div>
</div>
<el-dialog title="" :visible.sync="isEnlargeImage" :modal-append-to-body="false" top="8%" width="60%">
<img @click="isEnlargeImage = false" style="width:100%;" :src="enlargeImage">
</el-dialog>
</div>
</template>
<script>
import draggable from 'vuedraggable'
import {
importMutilFileAttachment
} from '@/api/common'
export default {
name: 'kks-image-mutil',
components: {
draggable
},
props: ['filesList', 'supplierid', 'code', 'type'],
created() {
console.log(this.fileList)
if (this.filesList.length > 0) {
this.fileList.forEach((item, index) => {
this.attachmentList.push({
url: process.env.OSS_URL + item.url
})
})
}
},
watch: {
filesList(newValue, oldValue) {
if (newValue.length > 0) {
this.fileList = []
this.fileList = newValue
this.attachmentList = []
this.fileList.forEach((item, index) => {
this.attachmentList.push({
url: process.env.OSS_URL + item.url
})
})
}else {
this.fileList = []
this.attachmentList = []
}
},
visibleDialog(newValue, oldValue) {
this.visibleDialog = newValue
}
},
data() {
return {
fileList: this.filesList,
attachmentList: [],
isEnlargeImage: false,
temploadimg: [],
enlargeImage: ''
}
},
methods: {
async handleHttpRequest(option) {
var self = this
self.loadingExports(true)
const formdata = new FormData()
formdata.append('files', option)
formdata.append('name', option.name)
formdata.append('upload', option)
formdata.append('code', this.code)
formdata.append('supplier', this.supplierid)
var res = await importMutilFileAttachment(formdata)
if (res.status === 200) {
self.close([{ url: res.data.entries, alt: '' }])
self.loadingExports(false)
console.log('Upload Success')
} else {
self.loadingExports(false)
console.log('Upload failed')
}
},
close(fileList) {
this.$emit('importMutilFiles', fileList)
},
closeDialog() {
this.$emit('loadmutilvisible', false)
},
loadingExports(flag) {
this.$emit('loadingExports', flag)
},
getdata(data) {
},
datadragEnd(evt) {
var oneId = ''
var otherId = ''
console.log('datadragEnd方法' + oneId + otherId)
console.log('拖動前的索引 :' + evt.oldIndex)
console.log('拖動後的索引 :' + evt.newIndex)
this.$emit('changeIndexImage', { originIndex: evt.oldIndex, newIndex: evt.newIndex })
// if (evt.newIndex === this.hotVOList.length - 1 && this.pageData.pageNum < Math.ceil(this.pageData.total / 10)) {}
},
handleFileView(item, index) {
if (item.url) {
this.enlargeImage = item.url
this.isEnlargeImage = !this.isEnlargeImage
}
},
handleFileRemove(item, index) {
this.fileList.splice(index, 1)
this.$emit('deleteMutilFiles', this.fileList)
},
change(val, filelist) {
this.temploadimg = filelist
},
onFileChange(e) {
var files = [...e.target.files]
this.uploadSelectedFiles(files)
},
async uploadSelectedFiles(files) {
var temp = []
temp = await Promise.all(files.map(i => this.handleHttpRequest(i)))
console.log(temp)
}
}
}
</script>
<style lang="scss" scoped>
.el-upload {
width: 100%;
.el-upload-dragger {
width: 500px;
}
}
.delteimg {
float: right;
}
.eva_upLoadBtn {
width: 150px;
height: 150px;
color: #999;
border: 1px dashed #999;
background: #F3F3F3;
border-radius: 10px;
margin: 10px 0;
box-sizing: border-box;
.eva_cameraImg {
width: 60px;
height: 60px;
display: block;
margin: 20px auto;
}
span {
display: block;
font-size: 12px;
padding: 5px 0;
text-align: center;
}
}
.dragplace {
display: flex;
flex-direction: row;
flex-wrap: wrap;
}
.middleicon {
width: 148px;
height: 148px;
left: 0;
right: 0;
margin-left: auto;
margin-right: auto;
border-radius: 10px;
}
.tinyicon {
position: absolute;
top: 0;
right: 0;
display: none;
}
.iconbg:hover .tinyicon {
position: absolute;
top: 0;
right: 0;
display: block;
}
.iconbg {
position: relative;
width: 148px;
height: 148px;
}
.bg {
margin: 4px;
display: flex;
align-items: center;
border: 1px solid rgb(26, 25, 25);
box-sizing: border-box;
border-radius: 10px;
}
</style>
使用
form: {
images: []}
<kks-image-mutil :type="attachments" :filesList='form.images' @importMutilFiles='importFilesParam' :deleteMutilFiles='importFiles' @changeIndexImage='changeImageMainIndex'></kks-image-mutil>
changeImageMainIndex(val) {
if (this.form.images.length > 1) {
var arr = this.form.images
// var temp = null
var i = val.originIndex
var j = val.newIndex
// this.getnewArr(i, j, arr)
// temp = arr[i]
// arr[i] = arr[j]
// arr[j] = temp
this.form.images = this.getnewArr(i, j, arr)
this.$forceUpdate()
// arr[i] = [arr[j], arr[j] = arr[i]][0]
}
},
getnewArr(i, j, arr) {
// i表示老的位置, j代表新位置
var temp = arr[i]
if (i > j) {
for (; i - 1 >= j; i--) {
arr[i] = arr[i - 1]
}
} else {
for (; i + 1 <= j; i++) {
arr[i] = arr[i + 1]
}
}
arr[i] = temp
return arr
},
importFilesParam(val) {
this.form.images = this.form.images.concat(val)
},
importFiles(val) {
this.form.images = val
}