添加了获取位置信息

app.json

@@ -36,6 +36,14 @@
             "provider": "wx0ffb48417ce6345c"
         }
     },
+    "permission": {
+        "scope.userLocation": {
+            "desc": "您的位置信息将用于发现附近的蓝牙设备，以便连接蓝牙秤。"
+        }
+    },
+    "requiredPrivateInfos": [ 
+        "getLocation"
+    ],
 	"sitemapLocation": "sitemap.json",
 	"lazyCodeLoading": "requiredComponents"
 }

pages/searchDevice/searchDevice.js

@@ -5,6 +5,7 @@ Page({
         initText: "",
         devicesList: [],
         searchDevicesList: true,
+        isShowingModal: false, // 控制模态框是否正在显示
     },
 
     onLoad(options) {
@@ -15,34 +16,62 @@ Page({
         this.checkBluetoothPermissionAndInit();
     },
 
-	checkBluetoothPermissionAndInit() {
+    async checkBluetoothPermissionAndInit() {
+        if (this.data.isShowingModal) {
+            return;
+        }
+
         this.setData({
-            initText: "正在检查蓝牙权限..."
+            initText: "正在检查蓝牙及位置权限..."
         });
-        wx.getSetting({
+
-            success: (res) => {
+        try {
-                if (res.authSetting['scope.bluetooth']) {
+            const settingRes = await wx.getSetting();
+            const hasBluetoothPermission = settingRes.authSetting['scope.bluetooth'];
+            const hasLocationPermission = settingRes.authSetting['scope.userLocation'];
+
+            if (hasBluetoothPermission && hasLocationPermission) {
                 this.openBluetoothAdapter();
             } else {
-                    wx.authorize({
+                let scopeToRequest = [];
-                        scope: 'scope.bluetooth',
+                let permissionNames = [];
-                        success: () => {
+
-                            this.openBluetoothAdapter();
+                if (!hasBluetoothPermission) {
-                        },
+                    scopeToRequest.push('scope.bluetooth');
-                        fail: (err) => {
+                    permissionNames.push('蓝牙');
-                            this.setData({
+                }
-                                initText: "蓝牙权限被拒绝。"
+                if (!hasLocationPermission) {
+                    scopeToRequest.push('scope.userLocation');
+                    permissionNames.push('位置');
+                }
+
+                if (scopeToRequest.length > 0) {
+                    try {
+                        await wx.authorize({ 
+                            scope: scopeToRequest[0] 
                         });
+                        this.checkBluetoothPermissionAndInit();
+                    } catch (authErr) {
+                        if (this.data.isShowingModal) {
+                            return;
+                        }
+                        this.setData({ 
+                            isShowingModal: true 
+                        });
+
                         wx.showModal({
                             title: '提示',
-                                content: '您拒绝了蓝牙权限，将无法连接蓝牙秤。是否前往设置开启？',
+                            content: `小程序需要您的${permissionNames.join('和')}权限才能正常使用蓝牙功能。请前往手机设置开启。`,
                             confirmText: '去开启',
                             cancelText: '不开启',
                             success: (modalRes) => {
+                                this.setData({ 
+                                    isShowingModal: false 
+                                });
                                 if (modalRes.confirm) {
                                     wx.openSetting({
                                         success: (settingRes) => {
-                                                console.log('openSetting success', settingRes);
+                                            this.checkBluetoothPermissionAndInit();
                                         },
                                         fail: (settingErr) => {
                                             wx.navigateBack({ 
@@ -51,81 +80,131 @@ Page({
                                         }
                                     });
                                 } else {
+                                    this.setData({ 
+                                        initText: "权限被拒绝。" 
+                                    });
                                     wx.navigateBack({ 
                                         delta: 1 
                                     });
                                 }
-                                }
-                            });
-                        }
-                    });
-                }
                             },
-            fail: (err) => {
+                            fail: () => {
                                 this.setData({ 
-                    initText: "获取权限设置失败。"
+                                    isShowingModal: false 
                                 });
+                            }
+                        });
+                    }
+                }
+            }
+        } catch (err) {
+            if (this.data.isShowingModal) {
+                return;
+            }
+            this.setData({ 
+                isShowingModal: true 
+            });
+
             wx.showToast({
                 title: '获取权限设置失败',
-                    icon: 'none'
+                icon: 'none',
+                duration: 2000,
+                success: () => {
+                    this.setData({ 
+                        isShowingModal: false 
+                    });
+                    wx.navigateBack({ 
+                        delta: 1 
+                    });
+                },
+                fail: () => {
+                    this.setData({ 
+                        isShowingModal: false 
                     });
                     wx.navigateBack({ 
                         delta: 1 
                     });
                 }
             });
+        }
     },
 
-    openBluetoothAdapter() {
+    async openBluetoothAdapter() {
+        if (this.data.isShowingModal) {
+            return;
+        }
+
         this.setData({
             initText: "正在初始化蓝牙..."
         });
-        wx.openBluetoothAdapter({
+        
-            success: () => {
+        try {
+            await wx.openBluetoothAdapter();
             this.setData({
                 initText: "蓝牙初始化成功"
             });
             this.getDeviceSettingList();
-            },
+        } catch (err) {
-            fail: (err) => {
             this.setData({
                 initText: "蓝牙初始化失败。"
             });
+
+            if (this.data.isShowingModal) {
+                return;
+            }
+            this.setData({ 
+                isShowingModal: true 
+            });
+
+            let modalContent = '';
             if (err.errCode === 10001) {
-                    wx.showModal({
+                modalContent = "请确保手机蓝牙已开启。";
-                        title: "提示",
+            } else if (err.errMsg && (err.errMsg.includes('permission denied') || err.errCode === 10003)) {
-                        content: "请确保手机蓝牙已开启。",
+                modalContent = '蓝牙或位置权限仍被拒绝，无法使用蓝牙功能。';
-                        showCancel: false,
-                        success: () => {
-                            wx.navigateBack({
-                                delta: 1
-                            });
-                        }
-                    });
-                } else if (err.errMsg && err.errMsg.includes('permission denied')) {
-                    wx.showModal({
-                        title: '提示',
-                        content: '蓝牙权限仍被拒绝，无法使用蓝牙功能。',
-                        showCancel: false,
-                        success: () => {
-                            wx.navigateBack({
-                                delta: 1
-                            });
-                        }
-                    });
             } else {
                  wx.showToast({
                     title: `蓝牙适配器打开失败: ${err.errMsg || err.errCode}`,
                     icon: 'none',
+                    duration: 2000,
                     success: () => {
+                        this.setData({ 
+                            isShowingModal: false 
+                        });
+                        wx.navigateBack({ 
+                            delta: 1 
+                        });
+                    },
+                    fail: () => {
+                        this.setData({ 
+                            isShowingModal: false 
+                        });
                         wx.navigateBack({ 
                             delta: 1 
                         });
                     }
                 });
+                return;
             }
-            },
+
+            wx.showModal({
+                title: "提示",
+                content: modalContent,
+                showCancel: false,
+                success: () => {
+                    this.setData({ 
+                        isShowingModal: false 
                     });
+                    wx.navigateBack({ 
+                        delta: 1 
+                    });
+                },
+                fail: () => {
+                    this.setData({ 
+                        isShowingModal: false 
+                    });
+                }
+            });
+        }
     },
 
     getDeviceSettingList() {
@@ -140,7 +219,6 @@ Page({
         app.globalData.ppScale.plugin.Blue.start(deviceNames, false); 
         app.globalData.ppScale.plugin.bus.subscribe("devicesList", (res) => {
             console.log("searchDevice ===> devicesList", res);
-			
             this.setData({
                 devicesList: res
             });
@@ -161,5 +239,12 @@ Page({
                 })
             }, 1000);
         }
+    },
+
+    onUnload() {
+        app.globalData.ppScale.plugin.Blue.stopBluetoothDevicesDiscovery();
+        this.setData({ 
+            isShowingModal: false 
+        });
     }
 })