283 lines
7.5 KiB
JavaScript
283 lines
7.5 KiB
JavaScript
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// 启动页逻辑 - 性能优化版本
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const app = getApp();
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const config = require('../../config/config.js');
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const systemInfoUtil = require('../../utils/system-info.js');
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const wsManager = require('../../utils/websocket-manager-v2.js');
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Page({
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data: {
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// 应用信息
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appName: config.appName || 'FindMe',
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appVersion: config.appVersion || '1.0.0',
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// 状态控制
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isLoading: true,
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showProgress: false,
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showError: false,
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// 显示文本
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loadingText: '正在启动...',
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errorMessage: '',
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progress: 0,
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// 系统适配信息 - 先设置默认值
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statusBarHeight: 44,
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menuButtonHeight: 32,
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menuButtonTop: 6,
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navBarHeight: 88,
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windowHeight: 667,
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safeAreaBottom: 0
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},
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// 页面加载 - 性能优化
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onLoad: function (options) {
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console.log('启动页加载开始');
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const startTime = Date.now();
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// 立即开始启动流程,系统信息异步初始化
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this.startLaunchSequence().then(() => {
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const endTime = Date.now();
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console.log(`启动页加载完成,耗时: ${endTime - startTime}ms`);
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});
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// 异步初始化系统信息,不阻塞启动流程
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this.initSystemInfoAsync();
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},
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// 页面显示
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onShow: function () {
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console.log('启动页显示');
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},
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// 页面隐藏
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onHide: function () {
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console.log('启动页隐藏');
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},
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// 异步初始化系统信息
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async initSystemInfoAsync() {
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try {
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await systemInfoUtil.init();
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const adaptInfo = systemInfoUtil.getSystemAdaptInfo();
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this.setData({
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statusBarHeight: adaptInfo.statusBarHeight,
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menuButtonHeight: adaptInfo.menuButtonHeight,
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menuButtonTop: adaptInfo.menuButtonTop,
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navBarHeight: adaptInfo.navBarHeight,
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windowHeight: adaptInfo.windowHeight,
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safeAreaBottom: adaptInfo.safeAreaBottom
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});
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console.log('系统信息异步初始化完成');
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} catch (error) {
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console.error('系统信息初始化失败,使用默认值:', error);
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}
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},
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// 开始启动流程 - 优化版本
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async startLaunchSequence() {
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try {
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console.log('开始应用启动流程');
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// 第1步:显示启动动画 (0-20%)
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this.updateProgress(20, '初始化应用...');
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await this.delay(200); // 减少延迟时间
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// 第2步:检查基础服务 (20-50%)
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await this.updateProgress(50, '检查服务状态...');
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await this.checkBasicServices();
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// 第3步:初始化用户数据 (50-80%)
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await this.updateProgress(80, '加载用户数据...');
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await this.initUserData();
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// 第4步:准备界面 (80-100%)
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await this.updateProgress(100, '启动完成');
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await this.delay(300); // 减少完成状态显示时间
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// 跳转到主页面
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this.navigateToMainPage();
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} catch (error) {
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console.error('启动失败:', error);
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this.showError(error.message || '启动失败,请重试');
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}
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},
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// 检查基础服务 - 优化版本
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async checkBasicServices() {
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try {
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// 并行检查多个服务,提高效率
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const checks = [
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this.checkAppPermissions(),
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this.checkNetworkStatus(),
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this.delay(100) // 最小延迟,确保用户能看到进度
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];
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await Promise.all(checks);
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console.log('基础服务检查完成');
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} catch (error) {
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console.error('基础服务检查失败:', error);
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throw new Error('服务检查失败');
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}
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},
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// 检查应用权限 - 快速版本
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async checkAppPermissions() {
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return new Promise((resolve) => {
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// 简化权限检查,避免耗时操作
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wx.getSetting({
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success: () => {
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console.log('权限检查完成');
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resolve();
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},
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fail: () => {
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console.log('权限检查失败,继续启动');
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resolve(); // 不阻塞启动流程
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}
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});
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});
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},
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// 检查网络状态 - 快速版本
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async checkNetworkStatus() {
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return new Promise((resolve) => {
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wx.getNetworkType({
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success: (res) => {
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console.log('网络状态:', res.networkType);
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resolve();
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},
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fail: () => {
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console.log('网络检查失败,继续启动');
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resolve(); // 不阻塞启动流程
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}
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});
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});
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},
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// 初始化用户数据 - 优化版本
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async initUserData() {
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try {
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// 检查本地存储的用户信息
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const userInfo = wx.getStorageSync('userInfo');
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if (userInfo) {
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console.log('发现本地用户信息');
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app.globalData.userInfo = userInfo;
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app.globalData.isLoggedIn = true;
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// 如果用户已登录,测试WebSocket连接
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this.testWebSocketConnection();
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}
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// 异步更新用户数据,不阻塞启动
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this.updateUserDataAsync();
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} catch (error) {
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console.error('用户数据初始化失败:', error);
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// 不抛出错误,允许继续启动
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}
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},
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// 测试WebSocket连接 - 异步执行,不阻塞启动
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async testWebSocketConnection() {
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try {
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console.log('🔌 启动页面:开始测试WebSocket连接...');
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// 设置token到WebSocket管理器
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const userInfo = app.globalData.userInfo;
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if (userInfo && userInfo.token) {
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wsManager.setToken(userInfo.token);
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// 异步尝试连接,不等待结果
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wsManager.connect().then(() => {
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console.log('✅ 启动页面:WebSocket连接成功');
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}).catch((error) => {
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console.log('⚠️ 启动页面:WebSocket连接失败,稍后重试:', error.message);
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});
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}
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} catch (error) {
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console.log('⚠️ 启动页面:WebSocket连接测试失败:', error);
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}
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},
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// 异步更新用户数据
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async updateUserDataAsync() {
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try {
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// 这里可以添加后台数据同步逻辑
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console.log('异步更新用户数据...');
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} catch (error) {
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console.error('异步更新用户数据失败:', error);
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}
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},
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// 更新进度 - 优化版本
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async updateProgress(progress, text) {
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this.setData({
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progress: progress,
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loadingText: text,
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showProgress: true
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});
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// 使用requestAnimationFrame优化动画性能
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if (wx.nextTick) {
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await new Promise(resolve => wx.nextTick(resolve));
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}
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},
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// 延迟函数 - 性能优化
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delay(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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},
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// 跳转到主页面 - 优化版本
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navigateToMainPage() {
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// 检查用户登录状态
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const userInfo = app.globalData.userInfo;
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const targetPage = userInfo && userInfo.token ? '/pages/map/map' : '/pages/login/login';
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console.log('跳转到:', targetPage);
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wx.reLaunch({
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url: targetPage,
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success: () => {
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console.log('页面跳转成功');
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},
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fail: (error) => {
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console.error('页面跳转失败:', error);
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// 兜底跳转到地图页面
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wx.reLaunch({
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url: '/pages/map/map'
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});
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}
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});
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},
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// 显示错误
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showError(message) {
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this.setData({
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showError: true,
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errorMessage: message,
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isLoading: false
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});
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},
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// 重试启动
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onRetry() {
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this.setData({
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showError: false,
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isLoading: true,
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progress: 0
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});
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// 延迟重试,避免立即重试
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setTimeout(() => {
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this.startLaunchSequence();
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}, 300);
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},
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// 页面卸载
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onUnload() {
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console.log('启动页卸载');
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}
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});
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