查看小程序是否授權(quán) 如沒有授權(quán)則拉起授權(quán)彈框，授權(quán)失敗再次點擊打開設(shè)置頁面

js代碼

Page({
  data: {
    openSettinged: fasle
  },
  getCameraAuth(){
    let _this = this;
    wx.getSetting({ //查看已授權(quán)列表
      success(res){
        console.log(res)
        if(!res.authSetting['scope.camera']){
          wx.authorize({
            scope: 'scope.camera',
            success(){
              _this.setData({openSettinged: false})
              console.log('success')
            },fail(){
              console.log('fail')
              _this.setData({openSettinged:true})
            }
          })
        }
      },
    })
  },
})

html代碼

<button wx:if="{{openSettinged}}" class="city-now" catchopensetting="getCamera" open-type="openSetting">
    <view>獲取拍照權(quán)限</view>
</button>

<view bindtap="getCamera" wx:else>獲取拍照權(quán)限</view>