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我正在尝试在实际上传之前获取上传的文件名。所以我尝试使用onBeforeUpload事件并将其记录到控制台但没有任何返回。

下面是我使用的代码。我做错了什么？

谢谢

<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Uppy</title>
    <link href="https://releases.transloadit.com/uppy/v1.28.1/uppy.min.css" rel="stylesheet">
  </head>
  <body>
    <div id="drag-drop-area"></div>

    <script src="https://releases.transloadit.com/uppy/v1.28.1/uppy.min.js"></script>
    <script>
      const uppy = Uppy.Core({
          debug: true,
          autoProceed: true,
          restrictions: {
              maxFileSize: 2147483647,
              maxNumberOfFiles: 5,
              minNumberOfFiles: 1,
              allowedFileTypes: ['.pdf', '.png', '.jpg', '.jpeg', '.gif']
          }
      })
        .use(Uppy.Dashboard, {
          inline: true,
          target: '#drag-drop-area'
        })
        .use(Uppy.Tus, {endpoint: 'https://tusd.tusdemo.net/files/'})

        onBeforeUpload: (files) => {
          console.log("this is event before upload");
        }

      uppy.on('complete', (result) => {
        console.log('Upload complete! We’ve uploaded these files:', result.successful)
      })
    </script>
  </body>
</html>

4

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