2b1ed656cd
主要改进: - 修复星形图标可见性问题，改为黄色高对比度显示 - 移除'立即参展'按钮，清理冗余CTA元素 - 修正背景图片路径并优化透明度(opacity-10) - 为所有容器区域添加hover提示文字 - 删除'立即参与，共创绿色出行未来'整个CTA区块 - 优化页面加载器和图片错误处理 - 修复展会信息卡片文字对比度问题 - 增强多层背景遮罩效果 影响文件: - web_frontend/web_result/index.html - web_frontend/web_result/css/animations.css - web_frontend/web_result/js/main.js - 新增多个页面和样式文件 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
709 lines
22 KiB
JavaScript
709 lines
22 KiB
JavaScript
// 2024长三角国际新能源汽车与智能交通产业博览会 - 交互脚本
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// 页面加载完成后初始化
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document.addEventListener('DOMContentLoaded', function() {
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// 隐藏页面加载器
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hidePageLoader();
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initNavbar();
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initAnimations();
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initCounters();
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initScrollEffects();
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initRippleEffect();
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initLazyLoading();
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initFormValidation();
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initCharts();
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initTimeline();
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initInteractiveElements();
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handleImageErrors();
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});
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// 隐藏页面加载器
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function hidePageLoader() {
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const loader = document.getElementById('pageLoader');
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if (loader) {
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// 添加淡出动画
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loader.style.opacity = '0';
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loader.style.transition = 'opacity 0.5s ease-out';
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// 500ms后完全移除
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setTimeout(() => {
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loader.style.display = 'none';
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// 恢复body滚动
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document.body.style.overflow = 'auto';
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document.body.classList.remove('loading');
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}, 500);
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} else {
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// 如果没有找到加载器，也要确保恢复滚动
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document.body.style.overflow = 'auto';
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document.body.classList.remove('loading');
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}
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}
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// 如果页面加载超过3秒，强制隐藏加载器
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window.addEventListener('load', function() {
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setTimeout(() => {
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hidePageLoader();
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}, 3000);
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});
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// 导航栏交互
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function initNavbar() {
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const navbar = document.querySelector('.navbar');
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const navLinks = document.querySelectorAll('.nav-link');
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const mobileMenuBtn = document.querySelector('.mobile-menu-btn');
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const mobileMenu = document.querySelector('.mobile-menu');
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// 滚动时改变导航栏样式
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window.addEventListener('scroll', () => {
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if (window.scrollY > 100) {
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navbar?.classList.add('scrolled');
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} else {
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navbar?.classList.remove('scrolled');
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}
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});
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// 高亮当前页面链接
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const currentPath = window.location.pathname;
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navLinks.forEach(link => {
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if (link.getAttribute('href') === currentPath) {
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link.classList.add('active');
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}
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});
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// 移动端菜单切换
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mobileMenuBtn?.addEventListener('click', () => {
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mobileMenu?.classList.toggle('open');
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mobileMenuBtn.classList.toggle('active');
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});
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// 平滑滚动到锚点
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document.querySelectorAll('a[href^="#"]').forEach(anchor => {
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anchor.addEventListener('click', function(e) {
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e.preventDefault();
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const target = document.querySelector(this.getAttribute('href'));
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if (target) {
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target.scrollIntoView({
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behavior: 'smooth',
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block: 'start'
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});
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}
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});
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});
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}
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// 动画初始化
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function initAnimations() {
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// Intersection Observer for fade-in animations
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const observerOptions = {
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threshold: 0.1,
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rootMargin: '0px 0px -50px 0px'
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};
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const observer = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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entry.target.classList.add('animate-in');
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observer.unobserve(entry.target);
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}
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});
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}, observerOptions);
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// 观察所有需要动画的元素
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document.querySelectorAll('.fade-in, .slide-in-left, .slide-in-right, .grid-item').forEach(el => {
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observer.observe(el);
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});
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}
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// 数字计数器动画
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function initCounters() {
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const counters = document.querySelectorAll('.counter');
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const speed = 200; // 动画速度
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const countUp = (counter) => {
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const target = +counter.getAttribute('data-target');
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const increment = target / speed;
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const updateCount = () => {
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const count = +counter.innerText.replace(/[^0-9]/g, '');
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if (count < target) {
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counter.innerText = Math.ceil(count + increment).toLocaleString();
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setTimeout(updateCount, 1);
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} else {
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counter.innerText = target.toLocaleString();
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// 添加单位
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const unit = counter.getAttribute('data-unit');
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if (unit) {
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counter.innerText += unit;
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}
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}
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};
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updateCount();
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};
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// 使用 Intersection Observer 触发计数
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const counterObserver = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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countUp(entry.target);
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counterObserver.unobserve(entry.target);
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}
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});
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}, { threshold: 0.5 });
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counters.forEach(counter => {
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counter.innerText = '0';
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counterObserver.observe(counter);
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});
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}
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// 滚动效果
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function initScrollEffects() {
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let lastScrollTop = 0;
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const header = document.querySelector('header');
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window.addEventListener('scroll', () => {
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const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
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// 隐藏/显示导航栏
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if (scrollTop > lastScrollTop && scrollTop > 300) {
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header?.classList.add('hide');
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} else {
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header?.classList.remove('hide');
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}
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lastScrollTop = scrollTop <= 0 ? 0 : scrollTop;
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// 视差效果
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const parallaxElements = document.querySelectorAll('.parallax');
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parallaxElements.forEach(el => {
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const speed = el.getAttribute('data-speed') || 0.5;
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const yPos = -(scrollTop * speed);
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el.style.transform = `translateY(${yPos}px)`;
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});
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// 进度条
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const progressBar = document.querySelector('.progress-bar');
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if (progressBar) {
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const winScroll = document.body.scrollTop || document.documentElement.scrollTop;
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const height = document.documentElement.scrollHeight - document.documentElement.clientHeight;
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const scrolled = (winScroll / height) * 100;
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progressBar.style.width = scrolled + '%';
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}
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});
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}
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// 波纹效果
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function initRippleEffect() {
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document.querySelectorAll('.btn, .card').forEach(element => {
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element.addEventListener('click', function(e) {
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const ripple = document.createElement('span');
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ripple.classList.add('ripple');
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const rect = this.getBoundingClientRect();
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const size = Math.max(rect.width, rect.height);
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const x = e.clientX - rect.left - size / 2;
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const y = e.clientY - rect.top - size / 2;
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ripple.style.width = ripple.style.height = size + 'px';
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ripple.style.left = x + 'px';
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ripple.style.top = y + 'px';
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this.appendChild(ripple);
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setTimeout(() => {
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ripple.remove();
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}, 600);
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});
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});
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}
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// 懒加载
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function initLazyLoading() {
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const images = document.querySelectorAll('img[data-src]');
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const imageObserver = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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const img = entry.target;
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img.src = img.dataset.src;
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img.removeAttribute('data-src');
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imageObserver.unobserve(img);
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// 添加加载完成动画
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img.addEventListener('load', () => {
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img.classList.add('loaded');
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});
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}
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});
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}, {
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rootMargin: '50px 0px'
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});
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images.forEach(img => imageObserver.observe(img));
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}
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// 表单验证
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function initFormValidation() {
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const forms = document.querySelectorAll('form');
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forms.forEach(form => {
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form.addEventListener('submit', function(e) {
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e.preventDefault();
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let isValid = true;
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const inputs = form.querySelectorAll('input[required], textarea[required]');
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inputs.forEach(input => {
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if (!input.value.trim()) {
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isValid = false;
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input.classList.add('error');
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showError(input, '此字段为必填项');
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} else {
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input.classList.remove('error');
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clearError(input);
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}
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// 邮箱验证
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if (input.type === 'email' && input.value) {
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const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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if (!emailRegex.test(input.value)) {
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isValid = false;
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input.classList.add('error');
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showError(input, '请输入有效的邮箱地址');
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}
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}
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// 电话验证
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if (input.type === 'tel' && input.value) {
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const phoneRegex = /^1[3-9]\d{9}$/;
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if (!phoneRegex.test(input.value)) {
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isValid = false;
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input.classList.add('error');
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showError(input, '请输入有效的手机号码');
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}
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}
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});
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if (isValid) {
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// 显示成功消息
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showSuccess('表单提交成功！');
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form.reset();
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}
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});
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// 实时验证
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form.querySelectorAll('input, textarea').forEach(input => {
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input.addEventListener('blur', function() {
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validateInput(this);
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});
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input.addEventListener('input', function() {
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if (this.classList.contains('error')) {
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validateInput(this);
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}
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});
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});
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});
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}
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// 显示错误信息
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function showError(input, message) {
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const errorEl = input.nextElementSibling;
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if (errorEl && errorEl.classList.contains('error-message')) {
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errorEl.textContent = message;
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} else {
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const error = document.createElement('span');
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error.classList.add('error-message');
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error.textContent = message;
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input.parentNode.insertBefore(error, input.nextSibling);
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}
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}
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// 清除错误信息
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function clearError(input) {
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const errorEl = input.nextElementSibling;
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if (errorEl && errorEl.classList.contains('error-message')) {
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errorEl.remove();
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}
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}
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// 验证输入
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function validateInput(input) {
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if (input.hasAttribute('required') && !input.value.trim()) {
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input.classList.add('error');
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showError(input, '此字段为必填项');
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return false;
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}
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input.classList.remove('error');
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clearError(input);
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return true;
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}
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// 显示成功消息
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function showSuccess(message) {
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const toast = document.createElement('div');
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toast.classList.add('toast', 'success');
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toast.textContent = message;
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document.body.appendChild(toast);
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setTimeout(() => {
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toast.classList.add('show');
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}, 100);
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setTimeout(() => {
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toast.classList.remove('show');
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setTimeout(() => {
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toast.remove();
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}, 300);
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}, 3000);
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}
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// 初始化图表
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function initCharts() {
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// 预算分配饼图
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const budgetChart = document.getElementById('budgetChart');
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if (budgetChart) {
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const data = [
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{ label: '场地租赁', value: 35, color: '#10b981' },
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{ label: '营销推广', value: 25, color: '#3b82f6' },
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{ label: '运营服务', value: 20, color: '#8b5cf6' },
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{ label: '人员成本', value: 15, color: '#f59e0b' },
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{ label: '其他费用', value: 5, color: '#ef4444' }
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];
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drawPieChart(budgetChart, data);
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}
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// 参展商类别分布
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const exhibitorChart = document.getElementById('exhibitorChart');
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if (exhibitorChart) {
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const data = [
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{ label: '整车制造', value: 40 },
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{ label: '零部件', value: 30 },
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{ label: '充电设施', value: 15 },
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{ label: '智能驾驶', value: 10 },
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{ label: '其他', value: 5 }
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];
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drawBarChart(exhibitorChart, data);
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}
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}
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// 绘制饼图
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function drawPieChart(canvas, data) {
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const ctx = canvas.getContext('2d');
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const centerX = canvas.width / 2;
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const centerY = canvas.height / 2;
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const radius = Math.min(centerX, centerY) - 20;
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let currentAngle = -Math.PI / 2;
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const total = data.reduce((sum, item) => sum + item.value, 0);
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data.forEach(item => {
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const sliceAngle = (item.value / total) * 2 * Math.PI;
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// 绘制扇形
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ctx.beginPath();
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ctx.arc(centerX, centerY, radius, currentAngle, currentAngle + sliceAngle);
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ctx.lineTo(centerX, centerY);
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ctx.fillStyle = item.color;
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ctx.fill();
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// 绘制标签
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const labelX = centerX + Math.cos(currentAngle + sliceAngle / 2) * (radius * 0.7);
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const labelY = centerY + Math.sin(currentAngle + sliceAngle / 2) * (radius * 0.7);
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ctx.fillStyle = '#fff';
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ctx.font = '14px sans-serif';
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ctx.textAlign = 'center';
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ctx.fillText(item.value + '%', labelX, labelY);
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currentAngle += sliceAngle;
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});
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}
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// 绘制柱状图
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function drawBarChart(canvas, data) {
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const ctx = canvas.getContext('2d');
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const barWidth = canvas.width / (data.length * 2);
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const maxValue = Math.max(...data.map(item => item.value));
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const chartHeight = canvas.height - 40;
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data.forEach((item, index) => {
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const barHeight = (item.value / maxValue) * chartHeight;
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const x = (index * 2 + 0.5) * barWidth;
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const y = canvas.height - barHeight - 20;
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// 绘制柱子
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const gradient = ctx.createLinearGradient(x, y, x, y + barHeight);
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gradient.addColorStop(0, '#10b981');
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gradient.addColorStop(1, '#3b82f6');
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ctx.fillStyle = gradient;
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ctx.fillRect(x, y, barWidth, barHeight);
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// 绘制数值
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ctx.fillStyle = '#333';
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ctx.font = '12px sans-serif';
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ctx.textAlign = 'center';
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ctx.fillText(item.value + '%', x + barWidth / 2, y - 5);
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});
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}
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// 初始化时间线
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function initTimeline() {
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const timelineItems = document.querySelectorAll('.timeline-item');
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const timelineObserver = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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entry.target.classList.add('active');
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}
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});
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}, { threshold: 0.5 });
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timelineItems.forEach(item => {
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timelineObserver.observe(item);
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});
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}
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// 交互元素初始化
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function initInteractiveElements() {
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// 标签页切换
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const tabs = document.querySelectorAll('.tab');
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const tabContents = document.querySelectorAll('.tab-content');
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tabs.forEach(tab => {
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tab.addEventListener('click', () => {
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const target = tab.dataset.tab;
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// 切换标签状态
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tabs.forEach(t => t.classList.remove('active'));
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tab.classList.add('active');
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// 切换内容显示
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tabContents.forEach(content => {
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if (content.id === target) {
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content.classList.add('active');
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content.style.display = 'block';
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} else {
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content.classList.remove('active');
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content.style.display = 'none';
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}
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});
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});
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});
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// 手风琴效果
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const accordionHeaders = document.querySelectorAll('.accordion-header');
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accordionHeaders.forEach(header => {
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header.addEventListener('click', () => {
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const content = header.nextElementSibling;
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const isOpen = header.classList.contains('active');
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// 关闭其他项
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accordionHeaders.forEach(h => {
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h.classList.remove('active');
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h.nextElementSibling.style.maxHeight = null;
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});
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// 切换当前项
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if (!isOpen) {
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header.classList.add('active');
|
||
content.style.maxHeight = content.scrollHeight + 'px';
|
||
}
|
||
});
|
||
});
|
||
|
||
// 模态框
|
||
const modalTriggers = document.querySelectorAll('[data-modal]');
|
||
const modals = document.querySelectorAll('.modal');
|
||
const modalCloses = document.querySelectorAll('.modal-close');
|
||
|
||
modalTriggers.forEach(trigger => {
|
||
trigger.addEventListener('click', () => {
|
||
const modalId = trigger.dataset.modal;
|
||
const modal = document.getElementById(modalId);
|
||
if (modal) {
|
||
modal.classList.add('open');
|
||
document.body.style.overflow = 'hidden';
|
||
}
|
||
});
|
||
});
|
||
|
||
modalCloses.forEach(close => {
|
||
close.addEventListener('click', () => {
|
||
const modal = close.closest('.modal');
|
||
modal.classList.remove('open');
|
||
document.body.style.overflow = '';
|
||
});
|
||
});
|
||
|
||
// 点击背景关闭模态框
|
||
modals.forEach(modal => {
|
||
modal.addEventListener('click', (e) => {
|
||
if (e.target === modal) {
|
||
modal.classList.remove('open');
|
||
document.body.style.overflow = '';
|
||
}
|
||
});
|
||
});
|
||
|
||
// 工具提示
|
||
const tooltips = document.querySelectorAll('[data-tooltip]');
|
||
|
||
tooltips.forEach(element => {
|
||
const tooltip = document.createElement('div');
|
||
tooltip.classList.add('tooltip');
|
||
tooltip.textContent = element.dataset.tooltip;
|
||
|
||
element.addEventListener('mouseenter', () => {
|
||
document.body.appendChild(tooltip);
|
||
const rect = element.getBoundingClientRect();
|
||
tooltip.style.left = rect.left + rect.width / 2 - tooltip.offsetWidth / 2 + 'px';
|
||
tooltip.style.top = rect.top - tooltip.offsetHeight - 10 + 'px';
|
||
tooltip.classList.add('show');
|
||
});
|
||
|
||
element.addEventListener('mouseleave', () => {
|
||
tooltip.classList.remove('show');
|
||
setTimeout(() => {
|
||
tooltip.remove();
|
||
}, 300);
|
||
});
|
||
});
|
||
}
|
||
|
||
// 复制到剪贴板
|
||
function copyToClipboard(text) {
|
||
const textarea = document.createElement('textarea');
|
||
textarea.value = text;
|
||
document.body.appendChild(textarea);
|
||
textarea.select();
|
||
document.execCommand('copy');
|
||
document.body.removeChild(textarea);
|
||
showSuccess('已复制到剪贴板');
|
||
}
|
||
|
||
// 分享功能
|
||
function shareContent(platform) {
|
||
const url = encodeURIComponent(window.location.href);
|
||
const title = encodeURIComponent(document.title);
|
||
let shareUrl = '';
|
||
|
||
switch(platform) {
|
||
case 'wechat':
|
||
// 生成微信分享二维码
|
||
generateQRCode(window.location.href);
|
||
break;
|
||
case 'weibo':
|
||
shareUrl = `https://service.weibo.com/share/share.php?url=${url}&title=${title}`;
|
||
break;
|
||
case 'linkedin':
|
||
shareUrl = `https://www.linkedin.com/sharing/share-offsite/?url=${url}`;
|
||
break;
|
||
case 'twitter':
|
||
shareUrl = `https://twitter.com/intent/tweet?url=${url}&text=${title}`;
|
||
break;
|
||
}
|
||
|
||
if (shareUrl) {
|
||
window.open(shareUrl, '_blank', 'width=600,height=400');
|
||
}
|
||
}
|
||
|
||
// 生成二维码
|
||
function generateQRCode(text) {
|
||
const modal = document.createElement('div');
|
||
modal.classList.add('qr-modal');
|
||
modal.innerHTML = `
|
||
<div class="qr-content">
|
||
<h3>微信扫码分享</h3>
|
||
<div id="qrcode"></div>
|
||
<button class="btn btn-secondary" onclick="this.parentElement.parentElement.remove()">关闭</button>
|
||
</div>
|
||
`;
|
||
document.body.appendChild(modal);
|
||
|
||
// 这里可以集成实际的二维码生成库
|
||
document.getElementById('qrcode').innerHTML = '二维码生成区域';
|
||
}
|
||
|
||
// 主题切换
|
||
function initThemeToggle() {
|
||
const themeToggle = document.getElementById('themeToggle');
|
||
const currentTheme = localStorage.getItem('theme') || 'light';
|
||
|
||
document.documentElement.setAttribute('data-theme', currentTheme);
|
||
|
||
themeToggle?.addEventListener('click', () => {
|
||
const theme = document.documentElement.getAttribute('data-theme') === 'light' ? 'dark' : 'light';
|
||
document.documentElement.setAttribute('data-theme', theme);
|
||
localStorage.setItem('theme', theme);
|
||
});
|
||
}
|
||
|
||
// 导出为 PDF
|
||
function exportToPDF() {
|
||
window.print();
|
||
}
|
||
|
||
// 性能监控
|
||
function initPerformanceMonitoring() {
|
||
// 页面加载时间
|
||
window.addEventListener('load', () => {
|
||
const loadTime = performance.timing.loadEventEnd - performance.timing.navigationStart;
|
||
console.log(`页面加载时间: ${loadTime}ms`);
|
||
|
||
// 发送到分析服务
|
||
if (window.gtag) {
|
||
gtag('event', 'page_load_time', {
|
||
value: loadTime,
|
||
page_path: window.location.pathname
|
||
});
|
||
}
|
||
});
|
||
|
||
// 监控长任务
|
||
if ('PerformanceObserver' in window) {
|
||
const observer = new PerformanceObserver((list) => {
|
||
for (const entry of list.getEntries()) {
|
||
console.log('Long Task detected:', entry);
|
||
}
|
||
});
|
||
|
||
observer.observe({ entryTypes: ['longtask'] });
|
||
}
|
||
}
|
||
|
||
// 处理图片加载错误
|
||
function handleImageErrors() {
|
||
const images = document.querySelectorAll('img');
|
||
const defaultImage = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAwIiBoZWlnaHQ9IjMwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSIjZTJlOGYwIi8+PHRleHQgeD0iNTAlIiB5PSI1MCUiIGZvbnQtZmFtaWx5PSJBcmlhbCIgZm9udC1zaXplPSIxOCIgZmlsbD0iIzk0YTNiOCIgdGV4dC1hbmNob3I9Im1pZGRsZSIgZHk9Ii4zZW0iPuWbvueJh+WKoOi9veS4rTwvdGV4dD48L3N2Zz4=';
|
||
|
||
images.forEach(img => {
|
||
// 添加错误处理
|
||
img.addEventListener('error', function() {
|
||
console.warn('图片加载失败:', this.src);
|
||
// 设置默认占位图
|
||
this.src = defaultImage;
|
||
this.alt = '图片加载失败';
|
||
this.classList.add('image-error');
|
||
});
|
||
|
||
// 添加加载成功处理
|
||
img.addEventListener('load', function() {
|
||
this.classList.add('image-loaded');
|
||
});
|
||
});
|
||
}
|
||
|
||
// 初始化性能监控
|
||
initPerformanceMonitoring();
|
||
initThemeToggle(); |