解决JS(Vue)input[type='file'] change事件无法上传相同文件的问题

<input id="file" type="file" accept=".map" onchange="upload()" />

document.getElementById(‘file‘).value = null;

// document.getElementById(‘file‘).onchange = function () {
//    alert(this.value);
//      this.value = null;
// };?

<input ref="referenceUpload" @change="referenceUpload" type="file" accept=".map"  multiple/>

 methods: {
    referenceUpload(e) {
        this.$refs.referenceUpload.value = null;
    },
}