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<template>
<div class="singleImageUpload2 upload-container">
<el-upload
class="image-uploader"
:data="dataObj"
drag
:multiple="false"
:show-file-list="false"
action="https://httpbin.org/post"
:on-success="handleImageScucess">
<i class="el-icon-upload"></i>
<div class="el-upload__text">Drag或<em>点击上传</em></div>
</el-upload>
<div v-show="imageUrl.length>0" class="image-preview">
<div class="image-preview-wrapper" v-show="imageUrl.length>1">
<img :src="imageUrl">
<div class="image-preview-action">
<i @click="rmImage" class="el-icon-delete"></i>
</div>
</div>
</div>
</div>
</template>
<script>
// 预览效果见专题
import { getToken } from 'api/qiniu';
export default {
name: 'singleImageUpload2',
props: {
value: String
},
computed: {
imageUrl() {
return this.value
}
},
data() {
return {
tempUrl: '',
dataObj: { token: '', key: '' }
};
},
methods: {
rmImage() {
this.emitInput('');
},
emitInput(val) {
this.$emit('input', val);
},
handleImageScucess() {
this.emitInput(this.tempUrl)
},
beforeUpload() {
const _self = this;
return new Promise((resolve, reject) => {
getToken().then(response => {
const key = response.data.qiniu_key;
const token = response.data.qiniu_token;
_self._data.dataObj.token = token;
_self._data.dataObj.key = key;
this.tempUrl = response.data.qiniu_url;
resolve(true);
}).catch(err => {
console.log(err);
reject(false)
});
});
}
}
};
</script>
<style rel="stylesheet/scss" lang="scss" scoped>
.upload-container {
width: 100%;
height: 100%;
position: relative;
.image-uploader{
height: 100%;
}
.image-preview {
width: 100%;
height: 100%;
position: absolute;
left: 0px;
top: 0px;
border: 1px dashed #d9d9d9;
.image-preview-wrapper {
position: relative;
width: 100%;
height: 100%;
img {
width: 100%;
height: 100%;
}
}
.image-preview-action {
position: absolute;
width: 100%;
height: 100%;
left: 0;
top: 0;
cursor: default;
text-align: center;
color: #fff;
opacity: 0;
font-size: 20px;
background-color: rgba(0, 0, 0, .5);
transition: opacity .3s;
cursor: pointer;
text-align: center;
line-height: 200px;
.el-icon-delete {
font-size: 36px;
}
}
&:hover {
.image-preview-action {
opacity: 1;
}
}
}
}
</style>