node-formdata-parser/index.html at master · jianzhou520/node-formdata-parser · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .wrapper {
      width: 500px;
      height: 200px;
    }
  </style>
</head>
<body>
  <img class="preview" >
  <input type="file" name="file" id="input"/>
  <script>
    let input = document.querySelector('#input')
    let url = 'http://10.8.188.96'
    input.addEventListener('change', async function () {
      console.log(this)
      let file = this.files[0]
      let fileReader = new FileReader()
      let formData = new FormData()
      formData.append('user', '皱凯凯凯凯')
      formData.append('file', file)
      formData.append('age', '23')
      console.log(formData.get('file'));
      let res = await fetch(':8080', {
        method: 'POST',
        headers: {
          'content-type': 'multipart/form-data'
        },
        body: formData
      })
      let data = await res.json()
      console.log(data)
    })
  </script>
</body>
</html>