Como pegar os dados do Qr lido com javascript e mostrar o usuário que possui tal código no banco de dados mysqli

MySQL

JavaScript

PHP

JSON

28/01/2019

Eu tenho um leitor de Qrcode que encontrei no GihtHub e eu gostaria de saber se alguém me pode ajudar a pegar os dados do Qrcode lido e verificar se existe algum usuário cadastrado com este Qrcode no banco de dados e trazer as informações ao mesmo tempo que o qr code e lido pfv?





<html>
  <head>
    <title>Instascan – Demo</title>
    <link rel="icon" type="image/png" href="favicon.png">
    <link rel="stylesheet" href="style.css">
    <script type="text/javascript" src="camera/adapter.min.js"></script>
    <script type="text/javascript" src="camera/vue.min.js"></script>
    <script type="text/javascript" src="camera/instascam.min.js"></script>
  </head>
  <body>
    <a href="https://github.com/schmich/instascan"><img style="position: absolute; top: 0; right: 0; border: 0; z-index: 1" src="https://camo.githubusercontent.com/365986a132ccd6a44c23a9169022c0b5c890c387/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f7265645f6161303030302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png"></a>
    <div id="app">
      <div class="sidebar">
        <section class="cameras">
          <h2>Cameras</h2>
          <ul>
            <li v-if="cameras.length === 0" class="empty">No cameras found</li>
            <li v-for="camera in cameras">
              <span v-if="camera.id == activeCameraId" :title="formatName(camera.name)" class="active">{{ formatName(camera.name) }}</span>
              <span v-if="camera.id != activeCameraId" :title="formatName(camera.name)">
                <a @click.stop="selectCamera(camera)"></a>
              </span>
            </li>
          </ul>
        </section>
        <section class="scans">
          <h2>Scans</h2>
          <ul v-if="scans.length === 0">
            <li class="empty">No scans yet</li>
          </ul>
          <transition-group name="scans" tag="ul">
            <li v-for="scan in scans" :key="scan.date" :title="scan.content">{{ scan.content }}</li>
          </transition-group>
        </section>
      </div>
      <div class="preview-container">
        <video id="preview"></video>
      </div>
    </div>
    <script type="text/javascript" src="app.js"></script>
  </body>
</html>
Levi

Levi

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