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<template>
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<div class="demo-upload-list" v-for="item in uploadList">
<template v-if="item.status === 'finished'">
<img :src="item.url">
<div class="demo-upload-list-cover">
<Icon type="ios-eye-outline" @click="handleView(item.name)"></Icon>
<Icon type="ios-trash-outline" @click="handleRemove(item)"></Icon>
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</div>
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</template>
<template v-else>
<Progress v-if="item.showProgress" :percent="item.percentage" hide-info></Progress>
</template>
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</div>
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<Upload
v-ref:upload
:show-upload-list="false"
:default-file-list="defaultList"
:on-success="handleSuccess"
:format="['jpg','jpeg','png']"
:max-size="2048"
:on-format-error="handleFormatError"
:on-exceeded-size="handleMaxSize"
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:before-upload="handleBeforeUpload"
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multiple
type="drag"
action="//jsonplaceholder.typicode.com/posts/"
style="display: inline-block;width:58px;">
<div style="width: 58px;height:58px;line-height: 58px;">
<Icon type="camera" size="20"></Icon>
</div>
</Upload>
<Modal title="查看图片" :visible.sync="visible">
<img :src="'https://o5wwk8baw.qnssl.com/' + imgName + '/large'" v-if="visible" style="width: 100%">
</Modal>
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</template>
<script>
export default {
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data () {
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return {
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defaultList: [
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{
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'name': 'a42bdcc1178e62b4694c830f028db5c0',
'url': 'https://o5wwk8baw.qnssl.com/a42bdcc1178e62b4694c830f028db5c0/avatar'
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},
{
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'name': 'bc7521e033abdd1e92222d733590f104',
'url': 'https://o5wwk8baw.qnssl.com/bc7521e033abdd1e92222d733590f104/avatar'
}
],
imgName: '',
visible: false
}
},
computed: {
uploadList () {
return this.$refs.upload ? this.$refs.upload.fileList : [];
}
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},
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methods: {
handleView (name) {
this.imgName = name;
this.visible = true;
},
handleRemove (file) {
// 从 upload 实例删除数据
const fileList = this.$refs.upload.fileList;
this.$refs.upload.fileList.splice(fileList.indexOf(file), 1);
},
handleSuccess (res, file) {
// 因为上传过程为实例，这里模拟添加 url
file.url = 'https://o5wwk8baw.qnssl.com/7eb99afb9d5f317c912f08b5212fd69a/avatar';
file.name = '7eb99afb9d5f317c912f08b5212fd69a';
},
handleFormatError (file) {
this.$Notice.warning({
title: '文件格式不正确',
desc: '文件 ' + file.name + ' 格式不正确，请上传 jpg 或 png 格式的图片。'
});
},
handleMaxSize (file) {
this.$Notice.warning({
title: '超出文件大小限制',
desc: '文件 ' + file.name + ' 太大，不能超过 2M。'
});
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},
handleBeforeUpload () {
const check = this.uploadList.length < 5;
if (!check) {
this.$Notice.warning({
title: '最多只能上传 5 张图片。'
});
}
return check;
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}
}
}
</script>
<style>
.demo-upload-list{
display: inline-block;
width: 60px;
height: 60px;
text-align: center;
line-height: 60px;
border: 1px solid transparent;
border-radius: 4px;
overflow: hidden;
background: #fff;
position: relative;
box-shadow: 0 1px 1px rgba(0,0,0,.2);
margin-right: 4px;
}
.demo-upload-list img{
width: 100%;
height: 100%;
}
.demo-upload-list-cover{
display: none;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0,0,0,.6);
}
.demo-upload-list:hover .demo-upload-list-cover{
display: block;
}
.demo-upload-list-cover i{
color: #fff;
font-size: 20px;
cursor: pointer;
margin: 0 2px;
}
</style>
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