element-ui的upload組件的clearFiles方法

<template>
    <div>
        <el-button @click="clearFiles">重新上傳</el-button>
        <el-upload ref="my-upload">
            <el-button type="primary">點擊上傳</el-button>
        </el-upload>
    </div>
</template>

方法調用

<script>
    export default {
        data(){
            return {
        }
    },
    methods: {
        clearFiles () {
            this.$refs['my-upload'].clearFiles();
        }
    }
};