wx.getNFCAdapter({

          success: (res) => {

            console.log('222');

            this.setData({

              isSupportNFC: true,

              nfcAdapter: res.adapter // 保存适配器实例

            });

          },

          fail: (err) => {

            console.log('333');

            this.setData({ isSupportNFC: false });

            wx.showToast({

              title: 'NFC初始化失败：' + err.errMsg,

              icon: 'none'

            });

          },

          complete: () => {

            console.log('getNFCAdapter 执行完成（无论成功失败都会走）');

          }

        });