getAddress: function () {
      var t = this;
      wx.getSetting({
        success(res) {
          console.log("vres.authSetting[‘scope.address‘]：", res.authSetting[‘scope.address‘])
          var openid = wx.getStorageSync("openid");
          console.log(openid);
          //根据用户当前设置中的用户授权结果，判断是否包含收货地址授权
          //用户已授权使用收货地址
          if (res.authSetting[‘scope.address‘]) {
            console.log("111")
            //选择收货地址
            wx.chooseAddress({
              success(res) {
                app.util.request({
                  url: "entry/wxapp/Member_address",
                  header: {
                    "content-type": "application/x-www-form-urlencoded"
                  },
                  data: {
                    username: res.userName,
                    postalcode: res.postalCode,
                    provincename: res.provinceName,
                    cityname: res.cityName,
                    countyname: res.countyName,
                    detailinfo: res.detailInfo,
                    telnumber: res.telNumber,
                    openid: openid
                  },
                  success: function (res) {
                    console.log(‘成功2‘, res);
                    t.setData({
                      noAddress: false
                    })
                    wx.setStorage({
                      key: ‘noAddress‘,
                      data: t.data.noAddress,
                    })
                  }
                });
              }
            })
            // 用户未同意小程序使用通讯地址时
          } else {
            console.log(‘222‘);
            //取消过收货地址授权，调用wx.openSetting（），调起客户端小程序设置界面让用户去打开授权
            if (res.authSetting[‘scope.address‘] == false) {
              wx.openSetting({
                success(res) {
                  console.log(‘333‘);
                  console.log(res.authSetting)
                }
              })
            } else {
              //用户当前设置不包含收货地址授权（说明是第一次打开获取用户收货地址信息的授权），调用wx.chooseAddress（），获取用户收货地址
              console.log(‘444‘);
              wx.chooseAddress({
                success(res) {
                  app.util.request({
                    url: "entry/wxapp/Member_address",
                    header: {
                      "content-type": "application/x-www-form-urlencoded"
                    },
                    data: {
                      username: res.userName,
                      postalcode: res.postalCode,
                      provincename: res.provinceName,
                      cityname: res.cityName,
                      countyname: res.countyName,
                      detailinfo: res.detailInfo,
                      telnumber: res.telNumber,
                      openid: openid
                    },
                    success: (res)=> {
                      console.log(‘成功1‘,res);
                      t.setData({
                        noAddress: false
                      })
                      wx.setStorage({
                        key: ‘noAddress‘,
                        data: t.data.noAddress,
                      })
                    }
                  });
                }
              })
            }
          }
        }
      })
    }

<camera wx:if="{{camera}}" device-position="back" flash="off" binderror="error" class=‘camera_box‘></camera>

//用户拒绝授权摄像头
  error: function(){
    wx.showModal({
      title: ‘警告‘,
      content: ‘若不授权使用摄像头，将无法使用拍照识别功能！‘,
      cancelText: ‘不授权‘,
      cancelColor: ‘#1ba9ba‘,
      confirmText: ‘授权‘,
      confirmColor: ‘#1ba9ba‘,
      success(res) {
        //允许打开授权页面
        if (res.confirm) {
          //调起客户端小程序设置界面，返回用户设置的操作结果
          wx.openSetting({
            success(res) {
              res.authSetting = {
                "scope.camera": true
              }
            },
            fail(err) {
              console.log(‘err‘, err);
            }
          })
        } else if (res.cancel) {//拒绝打开授权页面
          wx.redirectTo({
            url: ‘../selcat/selcat‘,
          })
        }
      }
    })
  }