uni-app 微信小程序拒绝授权后如何再次授权

在业务中可能会需要获取用户当前位置或者手机相机等权限，微信小程序是需要用户授权才能使用，但是当用户拒绝授权后再点击对应位置就会没有反应。操作代码如下，例子为二次授权相机权限

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uni.getSetting({     success(res) {          if (!res.authSetting['scope.camera']) {                         uni.authorize({                             scope: 'scope.camera',                             success(res) {                                 // 授权成功                                 uni.showToast({                                     title:'授权成功',                                     icon:'none',                                     success:function(){                                         uni.redirectTo({                                             url:'*******'                                         })                                     }                                 })                             },                             fail() {                                 uni.showModal({                                     content: '检测到您没打开获取相机功能权限，是否去设置打开？',                                     confirmText: "确认",                                     cancelText: '取消',                                     success: (res) => {                                         if (res.confirm) {                                             uni.openSetting({                                                 success: (res) => {                                                     uni.showToast({                                                         title: '授权后请重新打开此页面',                                                         icon: 'none',                                                         success:function(){                                                             uni.redirectTo({                                                                 url:'********'                                                             })                                                         }                                                     })                                                 },                                                 fail: (err) => {                                                     console.log(err)                                                 }                                             })                                         } else {                                             uni.showToast({                                                 title: '获取授权相机授权失败',                                                 icon: 'none',                                                 success:function() {                                                     uni.navigateBack()                                                 }                                             })                                         }                                     }                                 })                             }                         })                     }                 },                 fail() {                     uni.showToast({                         title: '获取授权相机授权失败',                         icon: 'none',                         success:function() {                             uni.navigateBack()                         }                     })                 }             })

　　其中scope参数配置文档：点击查看

saveQr(){
                var _this=this;
                uni.getSetting({
                   success(res) {
                       console.log(res);
                      if (!res.authSetting['scope.writePhotosAlbum']) {
                            wx.authorize({
                              scope: 'scope.writePhotosAlbum',
                              success (){
                                   uni.downloadFile({
                                    url:_this.qrCode,
                                    success:(res)=> {
                                        console.log("123123")
                                        uni.saveImageToPhotosAlbum({
                                            filePath:res.tempFilePath,
                                            complete: (e) => {
                                                console.log(e)
                                                _this.tui.toast('保存成功~')
                                            }
                                        })
                                    }
                                   })
                              },
                              fail(){
                                  uni.showModal({
                                          content: '检测到您没打开保存到相册功能权限，是否去设置打开？',
                                          confirmText: "确认",
                                          cancelText: '取消',
                                          success: (res) => {
                                              if (res.confirm) {
                                                  uni.openSetting({
                                                      success: (res) => {
                                                        
                                                      },
                                                      fail: (err) => {
                                                          console.log(err)
                                                      }
                                                  })
                                              } else {
                                                  
                                              }
                                          }
                                      })
                                  //_this.tui.toast('您已拒绝保存~')
                              }
                            })
                          }else{
                              uni.downloadFile({
                                    url:_this.qrCode,
                                    success:(res)=> {
                                        console.log("123123")
                                        uni.saveImageToPhotosAlbum({
                                            filePath:res.tempFilePath,
                                            complete: (e) => {
                                                console.log(e)
                                                _this.tui.toast('保存成功~')
                                            }
                                        })
                                    }
                              })
                          }
                   }
                })
            },

 

 来源:https://blog.csdn.net/weixin_43827462/article/details/110524481