把大致框架搭好1

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2025-09-02 08:40:37 +08:00
parent 56659d9790
commit b139fb14d9
108 changed files with 25897 additions and 3 deletions

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// 百度百科词条查询应用
class BaikeApp {
constructor() {
// API接口列表
this.apiEndpoints = [
'https://60s-cf.viki.moe',
'https://60s.viki.moe',
'https://60s.b23.run',
'https://60s.114128.xyz',
'https://60s-cf.114128.xyz'
];
this.currentApiIndex = 0;
this.isLoading = false;
this.initElements();
this.bindEvents();
}
// 初始化DOM元素
initElements() {
this.searchInput = document.getElementById('searchInput');
this.searchBtn = document.getElementById('searchBtn');
this.resultSection = document.getElementById('resultSection');
this.loading = document.getElementById('loading');
this.resultCard = document.getElementById('resultCard');
this.errorMessage = document.getElementById('errorMessage');
this.welcomeMessage = document.getElementById('welcomeMessage');
this.retryBtn = document.getElementById('retryBtn');
// 结果显示元素
this.resultTitle = document.getElementById('resultTitle');
this.resultDescription = document.getElementById('resultDescription');
this.resultImage = document.getElementById('resultImage');
this.resultAbstract = document.getElementById('resultAbstract');
this.resultLink = document.getElementById('resultLink');
this.errorText = document.getElementById('errorText');
}
// 绑定事件
bindEvents() {
// 搜索按钮点击事件
this.searchBtn.addEventListener('click', () => {
this.handleSearch();
});
// 输入框回车事件
this.searchInput.addEventListener('keypress', (e) => {
if (e.key === 'Enter') {
this.handleSearch();
}
});
// 重试按钮事件
this.retryBtn.addEventListener('click', () => {
this.handleSearch();
});
// 输入框焦点事件
this.searchInput.addEventListener('focus', () => {
this.searchInput.select();
});
}
// 处理搜索
async handleSearch() {
const query = this.searchInput.value.trim();
if (!query) {
this.showError('请输入要查询的词条');
this.searchInput.focus();
return;
}
if (this.isLoading) {
return;
}
await this.searchBaike(query);
}
// 搜索百科词条
async searchBaike(query) {
this.showLoading();
this.isLoading = true;
// 重置API索引
this.currentApiIndex = 0;
const success = await this.tryApiCall(query);
if (!success) {
this.showError('所有API接口都无法访问请稍后重试');
}
this.isLoading = false;
}
// 尝试API调用
async tryApiCall(query) {
for (let i = 0; i < this.apiEndpoints.length; i++) {
const endpoint = this.apiEndpoints[this.currentApiIndex];
try {
const result = await this.callApi(endpoint, query);
if (result) {
this.showResult(result);
return true;
}
} catch (error) {
console.warn(`API ${endpoint} 调用失败:`, error.message);
}
// 切换到下一个API
this.currentApiIndex = (this.currentApiIndex + 1) % this.apiEndpoints.length;
}
return false;
}
// 调用API
async callApi(endpoint, query) {
const url = `${endpoint}/v2/baike?word=${encodeURIComponent(query)}`;
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 10000); // 10秒超时
try {
const response = await fetch(url, {
method: 'GET',
signal: controller.signal,
headers: {
'Accept': 'application/json',
}
});
clearTimeout(timeoutId);
if (!response.ok) {
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
}
const data = await response.json();
if (data.code === 200 && data.data) {
return data.data;
} else {
throw new Error(data.message || '未找到相关词条');
}
} catch (error) {
clearTimeout(timeoutId);
if (error.name === 'AbortError') {
throw new Error('请求超时');
}
throw error;
}
}
// 显示加载状态
showLoading() {
this.hideAllSections();
this.loading.style.display = 'flex';
}
// 显示搜索结果
showResult(data) {
this.hideAllSections();
// 填充数据
this.resultTitle.textContent = data.title || '未知标题';
this.resultDescription.textContent = data.description || '暂无描述';
this.resultAbstract.textContent = data.abstract || '暂无摘要信息';
// 处理图片
if (data.cover) {
this.resultImage.src = data.cover;
this.resultImage.style.display = 'block';
this.resultImage.onerror = () => {
this.resultImage.style.display = 'none';
};
} else {
this.resultImage.style.display = 'none';
}
// 处理链接
if (data.link) {
this.resultLink.href = data.link;
this.resultLink.style.display = 'inline-flex';
} else {
this.resultLink.style.display = 'none';
}
this.resultCard.style.display = 'block';
// 滚动到结果区域
this.resultCard.scrollIntoView({
behavior: 'smooth',
block: 'start'
});
}
// 显示错误信息
showError(message) {
this.hideAllSections();
this.errorText.textContent = message;
this.errorMessage.style.display = 'flex';
}
// 隐藏所有区域
hideAllSections() {
this.loading.style.display = 'none';
this.resultCard.style.display = 'none';
this.errorMessage.style.display = 'none';
this.welcomeMessage.style.display = 'none';
}
// 显示欢迎信息
showWelcome() {
this.hideAllSections();
this.welcomeMessage.style.display = 'flex';
}
}
// 工具函数
class Utils {
// 防抖函数
static debounce(func, wait) {
let timeout;
return function executedFunction(...args) {
const later = () => {
clearTimeout(timeout);
func(...args);
};
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
}
// 节流函数
static throttle(func, limit) {
let inThrottle;
return function() {
const args = arguments;
const context = this;
if (!inThrottle) {
func.apply(context, args);
inThrottle = true;
setTimeout(() => inThrottle = false, limit);
}
};
}
// 格式化文本长度
static truncateText(text, maxLength) {
if (text.length <= maxLength) {
return text;
}
return text.substring(0, maxLength) + '...';
}
// 检查是否为移动设备
static isMobile() {
return window.innerWidth <= 768;
}
}
// 页面加载完成后初始化应用
document.addEventListener('DOMContentLoaded', () => {
// 初始化应用
const app = new BaikeApp();
// 添加页面可见性变化监听
document.addEventListener('visibilitychange', () => {
if (document.visibilityState === 'visible') {
// 页面重新可见时,聚焦搜索框
if (!app.isLoading) {
app.searchInput.focus();
}
}
});
// 添加窗口大小变化监听
window.addEventListener('resize', Utils.throttle(() => {
// 响应式调整
if (Utils.isMobile()) {
// 移动端特殊处理
document.body.classList.add('mobile');
} else {
document.body.classList.remove('mobile');
}
}, 250));
// 初始检查设备类型
if (Utils.isMobile()) {
document.body.classList.add('mobile');
}
// 页面加载完成后聚焦搜索框
setTimeout(() => {
app.searchInput.focus();
}, 500);
// 添加键盘快捷键支持
document.addEventListener('keydown', (e) => {
// Ctrl/Cmd + K 聚焦搜索框
if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
e.preventDefault();
app.searchInput.focus();
app.searchInput.select();
}
// ESC 清空搜索框
if (e.key === 'Escape') {
app.searchInput.value = '';
app.showWelcome();
app.searchInput.focus();
}
});
console.log('百度百科词条查询应用已初始化');
});