331 lines
9.8 KiB
JavaScript
331 lines
9.8 KiB
JavaScript
App({
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onLaunch() {
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this.initPpScale();
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},
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globalData: {
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// wx.request 请求的服务地址
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// wxRequestUrl: "https://device.shuziweidao.com/gateway/",
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wxRequestUrl: "http://192.168.1.207:8889/",
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// 秤的所有信息
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ppScale: {
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version: "",
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plugin: null,
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activeProtocol: null,
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domain1: "http://192.168.1.207:8889", // 老版本 没有鉴权
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domain2: "http://192.168.1.207:8889/weight", // 新版本 有鉴权
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wifi: {
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ssid: "",
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password: ""
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},
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options: {
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key: "lefudc91611833e18d94",
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secret: "eQ50JYimMp0X7uhNLj6D3lTEk4TUUvEG7dvaqKM9t1U="
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},
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device: {
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setting: [{
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"advLength": 999,
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"calorieStatus": 0,
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"createBy": null,
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"deviceAccuracyType": 2,
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"deviceCalcuteType": 3,
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"deviceConnectType": 2,
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"deviceFuncType": 223,
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"deviceName": "CF568_G",
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"devicePowerType": 3,
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"deviceProtocolType": 3,
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"deviceType": 1,
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"deviceUnitType": "0,1,11",
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"id": 65,
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"imgUrl": null,
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"macAddressStart": 6,
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"remark": null,
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"sign": "FF",
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"status": 0,
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"uhStatus": 1,
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"updateBy": null
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}, {
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"advLength": 999,
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"calorieStatus": 0,
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"createBy": null,
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"deviceAccuracyType": 2,
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"deviceCalcuteType": 3,
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"deviceConnectType": 2,
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"deviceFuncType": 223,
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"deviceName": "YX-B4-568-BW",
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"devicePowerType": 3,
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"deviceProtocolType": 3,
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"deviceType": 1,
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"deviceUnitType": "0,1,11",
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"id": 65,
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"imgUrl": null,
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"macAddressStart": 6,
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"remark": null,
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"sign": "FF",
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"status": 0,
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"uhStatus": 1,
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"updateBy": null
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}, {
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"advLength": 999,
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"calorieStatus": 0,
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"createBy": null,
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"deviceAccuracyType": 2,
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"deviceCalcuteType": 4,
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"deviceConnectType": 2,
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"deviceFuncType": 65759,
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"deviceName": "CF636_G",
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"devicePowerType": 3,
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"deviceProtocolType": 3,
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"deviceType": 1,
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"deviceUnitType": "0,1,2",
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"id": 216,
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"imgUrl": null,
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"macAddressStart": 6,
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"remark": null,
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"sign": "FF",
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"status": 0,
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"uhStatus": 1,
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"updateBy": null
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}, {
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"advLength": 999,
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"calorieStatus": 0,
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"createBy": null,
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"deviceAccuracyType": 2,
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"deviceCalcuteType": 4,
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"deviceConnectType": 2,
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"deviceFuncType": 65759,
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"deviceName": "YX-B8-636-BW",
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"devicePowerType": 3,
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"deviceProtocolType": 3,
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"deviceType": 1,
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"deviceUnitType": "0,1,2",
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"id": 216,
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"imgUrl": null,
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"macAddressStart": 6,
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"remark": null,
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"sign": "FF",
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"status": 0,
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"uhStatus": 1,
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"updateBy": null
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}, {
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"advLength": 999,
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"calorieStatus": 0,
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"createBy": null,
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"deviceAccuracyType": 2,
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"deviceCalcuteType": 4,
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"deviceConnectType": 2,
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"deviceFuncType": 223,
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"deviceName": "CF577",
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"devicePowerType": 3,
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"deviceProtocolType": 3,
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"deviceType": 1,
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"deviceUnitType": "0,1,11",
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"id": 51,
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"imgUrl": null,
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"macAddressStart": 6,
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"remark": null,
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"sign": "FF",
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"status": 0,
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"uhStatus": 1,
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"updateBy": null
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}], // 即将要搜索周边秤的配置
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list: [], // 根据配置搜索到秤的列表
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name: "",
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mac: null, // 选中的设备mac地址/SN码
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connection: null, // 默认选中连接的设备
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connectState: null, // 当前连接设备的状态
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},
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reconnect: {
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count: 0, // 当前已重连次数
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max: 3, // 最大重连次数
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timer: null // 重连定时器
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}
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},
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_callbacks: {} // 用于存储所有 globalData 属性的监听回调
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},
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_reconnectCount: 0, // 已废弃，保留兼容，实际使用 globalData.ppScale.reconnect.count
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_reconnectMax: 3, // 已废弃，保留兼容，实际使用 globalData.ppScale.reconnect.max
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_reconnectTimer: null, // 已废弃，保留兼容，实际使用 globalData.ppScale.reconnect.timer
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initPpScale() {
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this.globalData.ppScale.plugin = requirePlugin('ppScale-plugin');
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},
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// 存储 app 级 bus 回调引用，用于精准 unsubscribe
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_busCallbacks: {
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connectState: null,
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syncDeviceTimeSuccess: null,
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deviceWillDisconnect: null,
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},
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/**
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* 注销全局 bus 事件监听，防止重复订阅叠加
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*/
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unregisterBusListeners() {
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const plugin = this.globalData.ppScale.plugin;
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if (!plugin) return;
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const cbs = this._busCallbacks;
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if (cbs.connectState) {
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plugin.bus.unsubscribe('connectState', cbs.connectState);
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cbs.connectState = null;
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}
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if (cbs.syncDeviceTimeSuccess) {
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plugin.bus.unsubscribe('syncDeviceTimeSuccess', cbs.syncDeviceTimeSuccess);
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cbs.syncDeviceTimeSuccess = null;
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}
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if (cbs.deviceWillDisconnect) {
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plugin.bus.unsubscribe('deviceWillDisconnect', cbs.deviceWillDisconnect);
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cbs.deviceWillDisconnect = null;
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}
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},
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/**
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* 注册全局 bus 事件监听（connectState / syncDeviceTimeSuccess / deviceWillDisconnect）
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* 调用前先 unsubscribe 旧的，防止多次 onShow 导致回调叠加
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*/
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registerBusListeners() {
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this.unregisterBusListeners();
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const plugin = this.globalData.ppScale.plugin;
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// 蓝牙连接状态监听
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this._busCallbacks.connectState = (res) => {
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console.log("app.js ===> connectState", res);
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this.setGlobalData('ppScale.device.connectState', res);
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if (res == plugin.BLUE_STATE.CONNECTSUCCESS) {
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this.globalData.ppScale.reconnect.count = 0;
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}
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if (res == plugin.BLUE_STATE.CONNECTFAILED) {
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this.reconnectDevice();
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}
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wx.hideLoading();
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};
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// 同步时间
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this._busCallbacks.syncDeviceTimeSuccess = (res) => {
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console.log("app.js ===> syncDeviceTimeSuccess", res);
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};
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// 设备自动断开监听
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this._busCallbacks.deviceWillDisconnect = (res) => {
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console.log("app.js ===> deviceWillDisconnect", res);
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this.setGlobalData('ppScale.device.connectState', plugin.BLUE_STATE.CONNECTFAILED);
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};
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plugin.bus.subscribe('connectState', this._busCallbacks.connectState);
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plugin.bus.subscribe('syncDeviceTimeSuccess', this._busCallbacks.syncDeviceTimeSuccess);
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plugin.bus.subscribe('deviceWillDisconnect', this._busCallbacks.deviceWillDisconnect);
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},
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/**
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* 自动重连设备，最多重试 max 次，超过后停止，由用户手动重连
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* 只在配置页（configureDevice）活跃时执行，防止跨页面干扰
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*/
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reconnectDevice() {
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const reconnect = this.globalData.ppScale.reconnect;
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// 仅在配置页活跃时执行重连
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const pages = getCurrentPages();
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const currentPage = pages[pages.length - 1];
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if (!currentPage || !currentPage.route || !currentPage.route.includes('configureDevice')) {
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console.log("app.js ===> 非配置页，跳过自动重连");
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return;
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}
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if (reconnect.count >= reconnect.max) {
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console.log("app.js ===> 自动重连已达上限，等待用户手动重试");
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return;
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}
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reconnect.count++;
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console.log(`app.js ===> 自动重连第 ${reconnect.count}/${reconnect.max} 次`);
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// 延迟 2 秒后重连，避免连续冲突
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if (reconnect.timer) {
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clearTimeout(reconnect.timer);
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}
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reconnect.timer = setTimeout(() => {
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this.globalData.ppScale.plugin.Blue.disconnect((disres) => {
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if (disres.errCode == 0) {
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console.log("app.js ===> 断开成功，开始重新扫描设备");
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this.globalData.ppScale.plugin.Blue.startBluetoothDevicesDiscovery();
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} else {
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console.log("app.js ===> 断开失败，errCode:", disres.errCode);
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}
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});
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}, 2000);
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},
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/**
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* 重置重连计数，用于用户手动点击重试或页面离开时调用
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*/
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resetReconnectCount() {
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const reconnect = this.globalData.ppScale.reconnect;
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reconnect.count = 0;
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if (reconnect.timer) {
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clearTimeout(reconnect.timer);
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reconnect.timer = null;
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}
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},
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/**
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* 注册 globalData 某个属性的监听
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* @param {string} keyPath 要监听的 globalData 属性路径，例如 'ppScale.device.connectState'
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* @param {function} callback 属性变化时执行的回调函数 (newValue, oldValue) => {}
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*/
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watch(keyPath, callback) {
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if (!this.globalData._callbacks[keyPath]) {
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this.globalData._callbacks[keyPath] = [];
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}
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this.globalData._callbacks[keyPath].push(callback);
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},
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/**
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* 取消 globalData 某个属性的监听
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* @param {string} keyPath 要取消监听的 globalData 属性路径
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* @param {function} callback 之前注册的回调函数
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*/
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unwatch(keyPath, callback) {
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if (this.globalData._callbacks[keyPath]) {
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this.globalData._callbacks[keyPath] = this.globalData._callbacks[keyPath].filter(cb => cb !== callback);
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}
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},
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/**
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* 设置 globalData 的值并触发所有相关监听器
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* 支持点表示法设置嵌套属性，例如 'ppScale.device.connectState'
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* @param {string} keyPath 要设置的 globalData 属性路径
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* @param {*} value 要设置的新值
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*/
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setGlobalData(keyPath, value) {
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const keys = keyPath.split('.');
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let current = this.globalData;
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let oldValue = undefined;
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// 遍历到目标属性的父级
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for (let i = 0; i < keys.length - 1; i++) {
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if (!current[keys[i]]) {
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current[keys[i]] = {}; // 如果路径不存在，创建空对象
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}
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current = current[keys[i]];
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}
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// 获取旧值
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oldValue = current[keys[keys.length - 1]];
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// 只有当值发生变化时才更新并通知
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if (oldValue !== value) {
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current[keys[keys.length - 1]] = value; // 设置新值
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// 触发监听器
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if (this.globalData._callbacks[keyPath]) {
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this.globalData._callbacks[keyPath].forEach(callback => {
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callback(value, oldValue);
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});
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}
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}
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},
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}) |