feat: 项目加载优化
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Gsh
@@ -17,6 +17,14 @@
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<meta name="viewport"
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content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no">
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<!-- DNS 预解析和预连接 -->
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<link rel="dns-prefetch" href="//api.yourdomain.com">
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<link rel="preconnect" href="//api.yourdomain.com" crossorigin>
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<!-- 预加载关键资源 -->
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<link rel="preload" href="/src/main.ts" as="script" crossorigin>
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<link rel="modulepreload" href="/src/main.ts">
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<style>
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/* 全局样式 */
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@@ -112,16 +120,172 @@
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<body>
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<!-- 加载动画容器 -->
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<div id="yixinai-loader" class="loader-container">
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<div class="loader-title">意心Ai 3.6</div>
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<div class="loader-title">%APP_FULL_NAME%</div>
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<div class="loader-subtitle">海外地址，仅首次访问预计加载约10秒，无需梯子</div>
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<div class="loader-logo">
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<div class="pulse-box"></div>
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</div>
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<div class="loader-progress-bar">
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<div id="loader-progress" class="loader-progress"></div>
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</div>
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<div id="loader-text" class="loader-text" style="font-size: 0.875rem; margin-top: 0.5rem; color: #666;">加载中...</div>
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</div>
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<div id="app"></div>
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<script>
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// 资源加载进度跟踪 - 增强版
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(function() {
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const progressBar = document.getElementById('loader-progress');
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const loaderText = document.getElementById('loader-text');
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const loader = document.getElementById('yixinai-loader');
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let progress = 0;
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let resourcesLoaded = false;
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let vueAppMounted = false;
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let appRendered = false;
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// 更新进度条
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function updateProgress(value, text) {
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progress = Math.min(value, 99);
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if (progressBar) progressBar.style.width = progress.toFixed(1) + '%';
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if (loaderText) loaderText.textContent = text;
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}
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// 阶段管理
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const stages = {
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init: { weight: 15, name: '初始化' },
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resources: { weight: 35, name: '加载资源' },
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scripts: { weight: 25, name: '执行脚本' },
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render: { weight: 15, name: '渲染页面' },
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complete: { weight: 10, name: '启动应用' }
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};
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let completedStages = new Set();
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let currentStage = 'init';
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function calculateProgress() {
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let totalProgress = 0;
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for (const [key, stage] of Object.entries(stages)) {
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if (completedStages.has(key)) {
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totalProgress += stage.weight;
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} else if (key === currentStage) {
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// 当前阶段完成一部分
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totalProgress += stage.weight * 0.5;
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}
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}
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return Math.min(totalProgress, 99);
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}
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// 阶段完成
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function completeStage(stageName, nextStage) {
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completedStages.add(stageName);
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currentStage = nextStage || stageName;
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const stage = stages[stageName];
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updateProgress(calculateProgress(), stage ? `${stage.name}完成` : '加载中...');
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}
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// 监听资源加载 - 使用更可靠的方式
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const resourceTimings = [];
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const observer = new PerformanceObserver((list) => {
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const entries = list.getEntries();
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resourceTimings.push(...entries);
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// 统计未完成资源
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const pendingResources = performance.getEntriesByType('resource')
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.filter(r => !r.responseEnd || r.responseEnd === 0).length;
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if (pendingResources === 0 && resourceTimings.length > 0) {
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completeStage('resources', 'scripts');
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} else {
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updateProgress(calculateProgress(), `加载资源中... (${resourceTimings.length} 已加载)`);
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}
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});
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try {
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observer.observe({ entryTypes: ['resource'] });
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} catch (e) {
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// 降级处理
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}
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// 初始进度
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let initProgress = 0;
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function simulateInitProgress() {
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if (initProgress < stages.init.weight) {
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initProgress += 1;
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updateProgress(initProgress, '正在初始化...');
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if (initProgress < stages.init.weight) {
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setTimeout(simulateInitProgress, 30);
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} else {
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completeStage('init', 'resources');
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}
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}
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}
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simulateInitProgress();
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// 页面资源加载完成
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window.addEventListener('load', () => {
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completeStage('resources', 'scripts');
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resourcesLoaded = true;
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// 给脚本执行时间
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setTimeout(() => {
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completeStage('scripts', 'render');
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}, 300);
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checkAndHideLoader();
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});
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// 暴露全局方法供 Vue 应用调用 - 分阶段调用
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window.__hideAppLoader = function(stage) {
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if (stage === 'mounted') {
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vueAppMounted = true;
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completeStage('scripts', 'render');
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} else if (stage === 'rendered') {
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appRendered = true;
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completeStage('render', 'complete');
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}
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checkAndHideLoader();
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};
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// 检查是否可以隐藏加载动画
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function checkAndHideLoader() {
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// 需要满足：资源加载完成、Vue 挂载、页面渲染完成
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if (resourcesLoaded && vueAppMounted && appRendered) {
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completeStage('complete', '');
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updateProgress(100, '加载完成');
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// 确保最小显示时间，避免闪烁
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const minDisplayTime = 1000;
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const elapsed = Date.now() - startTime;
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const remaining = Math.max(0, minDisplayTime - elapsed);
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setTimeout(() => {
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if (loader) {
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loader.style.opacity = '0';
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loader.style.transition = 'opacity 0.5s ease';
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setTimeout(() => {
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loader.remove();
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delete window.__hideAppLoader;
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}, 500);
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}
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}, remaining);
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}
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}
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const startTime = Date.now();
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// 超时保护：最多显示 30 秒
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setTimeout(() => {
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if (loader && loader.parentNode) {
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console.warn('加载超时，强制隐藏加载动画');
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vueAppMounted = true;
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resourcesLoaded = true;
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appRendered = true;
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checkAndHideLoader();
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}
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}, 30000);
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})();
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</script>
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<script type="module" src="/src/main.ts"></script>
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</body>
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