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vue使用qrcodejs绘制二维码

2021-11-25 17:01:21 作者：互联网

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>vue使用qrcodejs绘制二维码</title>
  <script src="https://cdn.bootcdn.net/ajax/libs/qrcodejs/1.0.0/qrcode.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/vue@2.6/dist/vue.min.js"></script>
  <style>
    .qrCode {
      border-radius: 10px;
      box-shadow: 0 0 2px 3px #eeeeee;
      padding: 10px;
      margin: 10px auto;
    }
    .title {
      text-align: center;
    }

    .qrCodeContainer {
      margin: auto;
      width: 300px;
      height: 300px;
    }
    /* 重写二维码尺寸 */
    .qrCodeContainer canvas+img {
      width: 100%;
      height: 100%;
    }
  </style>
</head>

<body>
  <div id="app">
    <div class="qrCode" v-for="(item, index) in cardId" :key="index">
      <p class="title" v-text="item"></p>
      <div class="qrCodeContainer" :ref="'qrCodeDiv'+index"></div>
    </div>
  </div>

  <script>
    new Vue({
      el: '#app',

      data: {
        cardId: ['Cheryl71','Daaayyy71']
      },
      mounted() {
        this.$nextTick(() => {
          for(let i=0; i<this.cardId.length; i++) {
            this.creatQrCodeArray(i, this.cardId[i])
          }
        })
      },
      methods: {
        creatQrCodeArray(index, cardId) {
          let key = 'qrCodeDiv'+index;
					new QRCode(this.$refs[key][0], {
            text: cardId,
            width: 200,
            height: 200,
            colorDark: "#333333", //二维码颜色
            colorLight: "#ffffff", //二维码背景色
            correctLevel: QRCode.CorrectLevel.L//容错率，L/M/H
          })
        }
      }
    })
  </script>
</body>

</html>

标签：vue,text,qrcodejs,10px,height,width,二维码,cardId
来源： https://blog.csdn.net/Day71/article/details/121541672