微信小程序授权登录解决方案（含未通过授权解决方案）

getUserInfoF:function(){
    
    var that = this;
    wx.getSetting({

      success: (res) => {
        console.info(res.authSetting);


        wx.getUserInfo({
          success: res => {
            this.globalData.userInfo = res.userInfo
            console.info("一开始同意授权"+res.userInfo.nickName);

            if (this.userInfoReadyCallback) {
              this.userInfoReadyCallback(res)
            }
          },
          fail(err) {
            console.info(err.errMsg);
            wx.showModal({
              title: '警告',
              cancelText: '不授权',
              confirmText: '授权',
              confirmColor: '#37C31A',
              content: '若不授权微信登录，则无法使用XXXXXX；点击重新获取授权，则可重新使用；' +
              '若点击不授权，将无法使用便捷服务。',

              success: function (res) {
                if (res.confirm) {
                  console.log('用户点击确定')
                  wx.openSetting({
                    success: (res) => {
                      if (res.authSetting['scope.userInfo']) {
                        wx.getUserInfo({
                          success: res => {
                            that.globalData.userInfo = res.userInfo
                            console.info("再次同意授权" + res.userInfo.nickName);
                            if (that.userInfoReadyCallback) {
                              that.userInfoReadyCallback(res)
                            }
                          }
                        })
                      } else {
                        console.info("再次不允许");
                        wx.redirectTo({
                          url: 'home',
                        })
                      }
                    }
                  });
                } else if (res.cancel) {
                  console.log('弹出框用户点击取消')
                  wx.redirectTo({
                    url: 'home',
                  })

                }
              }
            })

          }

        })

      }
    })
  },