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" onchange="upload()" />

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

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

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