
解决办法:
<el-upload
class="uploadList"
ref="upload"
:action="baseUrl + '/file/upload'"
:before-upload="beforeUpload"
:on-preview="handlePreview"
:multiple="false"
:headers="{ Authorization: token }"
:limit="1"
:on-remove="handleRemove"
:on-exceed="handleExceed"
:on-success="handleSuccess"
>
<el-button size="small" type="primary">点击上传</el-button>
<div slot="tip" class="el-upload__tip fontIntail">只能上传一个PDF文件,一个保单对应一个电子保单文件</div>
</el-upload>
.uploadList .el-upload-list__item.is-success:focus:not(:hover){
display: none !important;
}

这段内容描述了一个使用Element UI的上传组件实现的功能,该组件限制上传一个PDF文件,并在成功上传后执行特定的回调函数。样式设置隐藏了已成功上传文件的焦点状态,确保用户体验。
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