WeChat 애플릿을 사용하여 카메라를 사용하여 QR 코드를 식별하는 방법

<view class=&#39;form-list&#39;>
  <text>二维码内容</text>
  <input type=&#39;text&#39; value=&#39;{{scanCodeMsg}}&#39;></input>
  <image class=&#39;scan&#39; bindtap=&#39;scanCode&#39; src=&#39;/images/scanCode.png&#39; mode=&#39;widthFix&#39;></image>
</view>

data: {
  scanCodeMsg: "",
},
scanCode: function() {
  var that = this;
  wx.scanCode({ //扫描API
    success(res) { //扫描成功
      console.log(res) //输出回调信息
      that.setData({
        scanCodeMsg: res.result
      });
      wx.showToast({
        title: '成功',
        duration: 1000
      })
    }
  })
},