element-ui之el-upload清除文件

1. upload组件代码

<el-upload
            multiple
            ref="upload"
            action=""
            name="coverFile"
            class="quill-uploader"
            :show-file-list="false"
            :on-change="changeQuillUpload"
            :auto-upload="false">
        </el-upload>

2. js

this.$refs.upload.clearFiles();