249 lines
7.5 KiB
JavaScript
249 lines
7.5 KiB
JavaScript
// 全局变量
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let tabCounter = 0;
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let activeTabId = 'home-tab';
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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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initializeSystem();
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});
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// 初始化系统
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function initializeSystem() {
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console.log('信息管理系统已加载');
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}
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// 切换子菜单显示/隐藏
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function toggleSubmenu(submenuId) {
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const submenu = document.getElementById(submenuId);
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const arrow = submenu.parentElement.querySelector('.arrow');
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if (submenu.classList.contains('expanded')) {
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submenu.classList.remove('expanded');
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arrow.classList.remove('rotated');
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} else {
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// 先关闭其他所有子菜单
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const allSubmenus = document.querySelectorAll('.submenu');
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const allArrows = document.querySelectorAll('.arrow');
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allSubmenus.forEach(menu => menu.classList.remove('expanded'));
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allArrows.forEach(arrow => arrow.classList.remove('rotated'));
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// 展开当前子菜单
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submenu.classList.add('expanded');
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arrow.classList.add('rotated');
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}
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}
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// 打开新的tab页面
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async function openTab(title, contentType) {
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tabCounter++;
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const tabId = `tab-${tabCounter}`;
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const contentId = `content-${tabCounter}`;
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// 检查是否已经存在相同标题的tab
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const existingTab = Array.from(document.querySelectorAll('.tab')).find(tab =>
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tab.querySelector('span').textContent === title
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);
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if (existingTab) {
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// 如果已存在,直接激活该tab
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switchTab(existingTab.id);
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return;
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}
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// 创建新的tab
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const tabBar = document.querySelector('.tab-bar');
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const newTab = document.createElement('div');
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newTab.className = 'tab';
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newTab.id = tabId;
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newTab.innerHTML = `
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<span>${title}</span>
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<button class="close-btn" onclick="closeTab('${tabId}')" aria-label="关闭">×</button>
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`;
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// 添加点击事件
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newTab.addEventListener('click', function(e) {
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if (!e.target.classList.contains('close-btn')) {
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switchTab(tabId);
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}
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});
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tabBar.appendChild(newTab);
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// 创建对应的内容区域
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const contentArea = document.querySelector('.content-area');
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const newContent = document.createElement('div');
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newContent.className = 'tab-content';
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newContent.id = contentId;
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// 动态加载页面内容
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try {
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const pageContent = await loadPageContent(contentType);
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newContent.innerHTML = pageContent;
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} catch (error) {
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console.error('加载页面内容失败:', error);
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newContent.innerHTML = `
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<div class="page-content">
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<h2>${title}</h2>
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<p>页面加载失败,请稍后重试。</p>
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</div>
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`;
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}
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contentArea.appendChild(newContent);
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// 激活新创建的tab
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switchTab(tabId);
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}
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// 切换到指定的tab
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function switchTab(tabId) {
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// 移除所有tab的active状态
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document.querySelectorAll('.tab').forEach(tab => {
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tab.classList.remove('active');
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});
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// 隐藏所有内容
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document.querySelectorAll('.tab-content').forEach(content => {
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content.classList.remove('active');
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});
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// 激活指定的tab
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const targetTab = document.getElementById(tabId);
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if (targetTab) {
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targetTab.classList.add('active');
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activeTabId = tabId;
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// 显示对应的内容
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const contentId = tabId.replace('tab', 'content');
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const targetContent = document.getElementById(contentId);
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if (targetContent) {
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targetContent.classList.add('active');
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}
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}
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}
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// 关闭tab
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function closeTab(tabId) {
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const tab = document.getElementById(tabId);
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const contentId = tabId.replace('tab', 'content');
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const content = document.getElementById(contentId);
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if (!tab) return;
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// 如果关闭的是当前激活的tab
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if (tabId === activeTabId) {
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// 找到前一个tab来激活
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const allTabs = document.querySelectorAll('.tab');
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let targetTab = null;
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for (let i = 0; i < allTabs.length; i++) {
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if (allTabs[i].id === tabId) {
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// 优先选择前一个tab,如果没有就选择后一个
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targetTab = allTabs[i - 1] || allTabs[i + 1];
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break;
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}
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}
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if (targetTab) {
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switchTab(targetTab.id);
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} else {
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// 如果没有其他tab,激活首页
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switchTab('home-tab');
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}
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}
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// 移除tab和对应的内容
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tab.remove();
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if (content) {
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content.remove();
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}
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}
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// 存储已加载的页面脚本,避免重复加载
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const loadedPageScripts = new Set();
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// 动态加载页面内容
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async function loadPageContent(contentType) {
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try {
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const response = await fetch(`pages/${contentType}.html`);
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`);
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}
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const content = await response.text();
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// 页面内容加载完成后,尝试加载对应的JavaScript文件
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await loadPageScript(contentType);
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return content;
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} catch (error) {
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console.error('加载页面失败:', error);
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// 返回默认内容
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return `
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<div class="page-content">
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<h2>页面加载中...</h2>
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<p>页面正在开发中,敬请期待...</p>
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</div>
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`;
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}
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}
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// 动态加载页面对应的JavaScript文件
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async function loadPageScript(contentType) {
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const scriptPath = `js/${contentType}.js`;
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// 如果已经加载过该脚本,直接返回
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if (loadedPageScripts.has(scriptPath)) {
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// 调用页面初始化函数(如果存在)
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const initFunctionName = `init${toCamelCase(contentType)}`;
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if (typeof window[initFunctionName] === 'function') {
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window[initFunctionName]();
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}
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return;
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}
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try {
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// 检查文件是否存在
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const checkResponse = await fetch(scriptPath, { method: 'HEAD' });
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if (!checkResponse.ok) {
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console.log(`页面脚本文件不存在: ${scriptPath}`);
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return;
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}
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// 动态创建script标签加载JavaScript文件
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const script = document.createElement('script');
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script.src = scriptPath;
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script.onload = () => {
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console.log(`页面脚本已加载: ${scriptPath}`);
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loadedPageScripts.add(scriptPath);
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// 调用页面初始化函数(如果存在)
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const initFunctionName = `init${toCamelCase(contentType)}`;
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if (typeof window[initFunctionName] === 'function') {
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window[initFunctionName]();
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}
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};
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script.onerror = () => {
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console.error(`页面脚本加载失败: ${scriptPath}`);
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};
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document.head.appendChild(script);
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} catch (error) {
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console.error('检查页面脚本文件时出错:', error);
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}
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}
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// 将kebab-case转换为CamelCase
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function toCamelCase(str) {
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return str.replace(/-([a-z])/g, (match, letter) => letter.toUpperCase())
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.replace(/^[a-z]/, match => match.toUpperCase());
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}
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// 键盘快捷键支持
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document.addEventListener('keydown', function(e) {
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// ESC键关闭当前tab(除了首页)
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if (e.key === 'Escape' && activeTabId !== 'home-tab') {
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closeTab(activeTabId);
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}
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}); |