界面文件

1 <view>  
2   <view bindtap="click">点我扫一扫</view>  
3   <view>{{show}}</view>  
4 </view>

js文件

 1 //获取应用实例  
 2 var app = getApp()
 3 Page({
 4   data: {
 5     show: "",
 6   },
 7  
 8   onLoad: function () {
 9     console.log(\'onLoad\')
10   },
11   click: function () {
12     var that = this;
13     var show;
14     wx.scanCode({
15       success: (res) => {
16         this.show = "结果:" + res.result + "二维码类型:" + res.scanType + "字符集:" + res.charSet + "路径:" + res.path;
17         that.setData({
18           show: this.show
19         })
20         wx.showToast({
21           title: \'成功\',
22           icon: \'success\',
23           duration: 2000
24         })
25       },
26       fail: (res) => {
27         wx.showToast({
28           title: \'失败\',
29           icon: \'success\',
30           duration: 2000
31         })
32       },
33       complete: (res) => {
34       }  
35     })
36   }
37 })

 

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