jiahong
394 lines
11 KiB
JavaScript
394 lines
11 KiB
JavaScript
/**
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* 企业首页交互脚本
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* 包含导航、服务加载、表单处理等功能
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*/
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document.addEventListener('DOMContentLoaded', function() {
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// 初始化所有功能
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initNavigation();
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initScrollEffects();
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loadServices();
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initContactForm();
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});
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/**
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* 导航栏功能
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* - 滚动时添加阴影
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* - 移动端菜单切换
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* - 平滑滚动到锚点
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*/
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function initNavigation() {
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const navbar = document.getElementById('navbar');
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const navToggle = document.getElementById('navToggle');
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const navMenu = document.getElementById('navMenu');
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const navLinks = document.querySelectorAll('.nav-link');
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// 滚动时添加阴影效果
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window.addEventListener('scroll', () => {
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if (window.scrollY > 50) {
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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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// 移动端菜单切换
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if (navToggle) {
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navToggle.addEventListener('click', () => {
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navMenu.classList.toggle('active');
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// 汉堡菜单动画
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const spans = navToggle.querySelectorAll('span');
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spans.forEach(span => span.classList.toggle('active'));
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});
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}
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// 导航链接点击事件
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navLinks.forEach(link => {
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link.addEventListener('click', (e) => {
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e.preventDefault();
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// 移除所有活动状态
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navLinks.forEach(l => l.classList.remove('active'));
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// 添加当前活动状态
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link.classList.add('active');
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// 关闭移动端菜单
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if (navMenu.classList.contains('active')) {
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navMenu.classList.remove('active');
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}
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// 平滑滚动到目标区域
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const targetId = link.getAttribute('href');
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const targetSection = document.querySelector(targetId);
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if (targetSection) {
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const offsetTop = targetSection.offsetTop - 70; // 减去导航栏高度
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window.scrollTo({
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top: offsetTop,
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behavior: 'smooth'
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});
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}
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});
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});
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// 滚动时更新导航活动状态
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window.addEventListener('scroll', () => {
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let current = '';
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const sections = document.querySelectorAll('section');
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sections.forEach(section => {
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const sectionTop = section.offsetTop;
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const sectionHeight = section.clientHeight;
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if (scrollY >= sectionTop - 200) {
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current = section.getAttribute('id');
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}
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});
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navLinks.forEach(link => {
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link.classList.remove('active');
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if (link.getAttribute('href') === `#${current}`) {
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link.classList.add('active');
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}
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});
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});
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}
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/**
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* 滚动动画效果
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* 元素进入视口时添加动画
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*/
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function initScrollEffects() {
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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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}
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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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const animateElements = document.querySelectorAll(
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'.service-card, .stat-item, .contact-item, .about-text, .about-image'
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);
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animateElements.forEach(el => {
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el.style.opacity = '0';
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el.style.transform = 'translateY(30px)';
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el.style.transition = 'opacity 0.6s ease, transform 0.6s ease';
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observer.observe(el);
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});
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// 添加动画样式
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const style = document.createElement('style');
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style.textContent = `
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.animate-in {
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opacity: 1 !important;
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transform: translateY(0) !important;
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}
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`;
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document.head.appendChild(style);
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}
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/**
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* 从服务器加载服务数据
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* 动态生成服务卡片
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*/
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async function loadServices() {
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const servicesGrid = document.getElementById('servicesGrid');
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if (!servicesGrid) return;
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try {
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// 显示加载状态
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servicesGrid.innerHTML = '<div class="loading">加载中...</div>';
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// 从 API 获取服务数据
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const response = await fetch('/api/services');
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if (!response.ok) {
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throw new Error('Failed to load services');
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}
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const services = await response.json();
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// 清空加载状态
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servicesGrid.innerHTML = '';
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// 生成服务卡片
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services.forEach((service, index) => {
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const card = createServiceCard(service);
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card.style.animationDelay = `${index * 0.1}s`;
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servicesGrid.appendChild(card);
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});
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} catch (error) {
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console.error('加载服务失败:', error);
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// 显示错误信息或使用默认数据
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servicesGrid.innerHTML = '<div class="error">加载失败，请刷新页面重试</div>';
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// 使用默认数据作为备用
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const defaultServices = [
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{ icon: '💻', title: '软件开发', description: '提供企业级软件定制开发服务' },
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{ icon: '☁️', title: '云计算服务', description: '安全可靠的云端解决方案' },
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{ icon: '📊', title: '数据分析', description: '大数据分析与商业智能' },
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{ icon: '💡', title: '技术咨询', description: '专业的技术架构咨询服务' }
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];
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servicesGrid.innerHTML = '';
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defaultServices.forEach((service, index) => {
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const card = createServiceCard(service);
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card.style.animationDelay = `${index * 0.1}s`;
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servicesGrid.appendChild(card);
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});
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}
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}
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/**
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* 创建服务卡片元素
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*/
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function createServiceCard(service) {
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const card = document.createElement('div');
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card.className = 'service-card';
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card.innerHTML = `
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<div class="service-icon">${service.icon}</div>
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<h3 class="service-title">${service.title}</h3>
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<p class="service-description">${service.description}</p>
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`;
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return card;
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}
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/**
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* 联系表单处理
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* 表单验证和提交
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*/
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function initContactForm() {
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const form = document.getElementById('contactForm');
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if (!form) return;
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form.addEventListener('submit', async (e) => {
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e.preventDefault();
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// 获取表单数据
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const formData = new FormData(form);
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const data = {
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name: formData.get('name'),
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email: formData.get('email'),
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message: formData.get('message')
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};
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// 简单验证
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if (!data.name || !data.email || !data.message) {
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showNotification('请填写所有必填项', 'error');
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return;
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}
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// 邮箱格式验证
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const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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if (!emailRegex.test(data.email)) {
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showNotification('请输入有效的邮箱地址', 'error');
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return;
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}
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// 显示提交中状态
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const submitBtn = form.querySelector('button[type="submit"]');
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const originalText = submitBtn.textContent;
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submitBtn.textContent = '发送中...';
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submitBtn.disabled = true;
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try {
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// 模拟提交（实际项目中应该发送到服务器）
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await simulateSubmit(data);
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showNotification('消息已发送，我们会尽快回复您！', 'success');
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form.reset();
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} catch (error) {
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console.error('提交失败:', error);
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showNotification('发送失败，请稍后重试', 'error');
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} finally {
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submitBtn.textContent = originalText;
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submitBtn.disabled = false;
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}
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});
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}
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/**
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* 模拟表单提交
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* 实际项目中应该替换为真实的 API 调用
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*/
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function simulateSubmit(data) {
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return new Promise((resolve) => {
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setTimeout(() => {
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console.log('表单数据:', data);
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resolve({ success: true });
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}, 1500);
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});
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}
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/**
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* 显示通知消息
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*/
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function showNotification(message, type = 'info') {
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// 创建通知元素
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const notification = document.createElement('div');
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notification.className = `notification notification-${type}`;
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notification.textContent = message;
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// 添加样式
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notification.style.cssText = `
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position: fixed;
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top: 90px;
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right: 20px;
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padding: 15px 25px;
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border-radius: 10px;
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color: white;
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font-weight: 500;
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z-index: 9999;
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animation: slideIn 0.3s ease;
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max-width: 300px;
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word-wrap: break-word;
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`;
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// 根据类型设置颜色
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const colors = {
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success: '#10b981',
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error: '#ef4444',
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info: '#3b82f6',
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warning: '#f59e0b'
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};
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notification.style.backgroundColor = colors[type] || colors.info;
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// 添加动画样式
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const style = document.createElement('style');
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style.textContent = `
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@keyframes slideIn {
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from {
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transform: translateX(100%);
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opacity: 0;
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}
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to {
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transform: translateX(0);
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opacity: 1;
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}
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}
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@keyframes slideOut {
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from {
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transform: translateX(0);
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opacity: 1;
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}
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to {
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transform: translateX(100%);
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opacity: 0;
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}
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}
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`;
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document.head.appendChild(style);
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// 添加到页面
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document.body.appendChild(notification);
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// 3秒后自动移除
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setTimeout(() => {
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notification.style.animation = 'slideOut 0.3s ease';
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setTimeout(() => {
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notification.remove();
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}, 300);
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}, 3000);
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}
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/**
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* 数字动画效果
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* 用于统计数字的递增动画
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*/
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function animateNumber(element, target, duration = 2000) {
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const start = 0;
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const increment = target / (duration / 16);
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let current = start;
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const timer = setInterval(() => {
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current += increment;
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if (current >= target) {
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current = target;
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clearInterval(timer);
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}
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element.textContent = Math.floor(current) + '+';
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}, 16);
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}
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// 当关于我们区域进入视口时，启动数字动画
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const statsObserver = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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const statNumbers = entry.target.querySelectorAll('.stat-number');
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statNumbers.forEach(stat => {
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const target = parseInt(stat.textContent);
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animateNumber(stat, target);
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});
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statsObserver.unobserve(entry.target);
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}
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});
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}, { threshold: 0.5 });
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// 观察统计区域
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document.addEventListener('DOMContentLoaded', () => {
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const aboutSection = document.querySelector('.about-stats');
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if (aboutSection) {
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statsObserver.observe(aboutSection);
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}
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});
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// 导出函数供测试使用
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = {
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createServiceCard,
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showNotification,
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animateNumber
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};
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}
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