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我想到了两种方法：将其存储为字符串并在必要时将其转换为 mongoId 对象，或者将其直接存储为对象。首选哪种方法，为什么？
如何在使用选择文件时获取文件的完整路径<input type=‘file’>
<input type=‘file’>
<input type="file" id="fileUpload"> <script type="text/javascri