微信小程序运用摄像头识别二维码的方法探讨

<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

      })

    }

  })

},