345 lines
11 KiB
JavaScript
345 lines
11 KiB
JavaScript
/**
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* VPS Price - Simple Mode (无对比功能)
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* 实现时间: 2026-02-09
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*/
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(function() {
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'use strict';
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// ==================== 全局变量 ====================
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var allPlans = [];
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// 排序状态
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var currentSort = {
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column: null,
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direction: 'asc'
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};
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// 筛选状态
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var filters = {
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provider: '',
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region: '',
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memory: 0,
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price: '0',
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currency: 'CNY',
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search: ''
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};
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// 汇率（CNY 为基准）
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var exchangeRates = {
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CNY: 1,
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USD: 0.14
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};
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function toNumber(value) {
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if (value == null || value === '') return null;
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var n = Number(value);
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return isNaN(n) ? null : n;
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}
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function getPriceValue(plan, currency) {
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var cny = toNumber(plan.price_cny);
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var usd = toNumber(plan.price_usd);
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if (currency === 'USD') {
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if (usd != null) return { value: usd, symbol: '$' };
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if (cny != null) return { value: cny * exchangeRates.USD, symbol: '$' };
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return null;
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}
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if (cny != null) return { value: cny, symbol: '¥' };
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if (usd != null) return { value: usd / exchangeRates.USD, symbol: '¥' };
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return null;
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}
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function getCnyPrice(plan) {
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var cny = toNumber(plan.price_cny);
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if (cny != null) return cny;
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var usd = toNumber(plan.price_usd);
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if (usd != null) return usd / exchangeRates.USD;
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return null;
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}
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// ==================== 初始化 ====================
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function init() {
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fetchData();
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initEventListeners();
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}
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// ==================== 数据获取 ====================
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function fetchData() {
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fetch('/api/plans')
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.then(function(response) {
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if (!response.ok) throw new Error('Network error');
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return response.json();
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})
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.then(function(data) {
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allPlans = data;
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populateFilters();
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renderTable();
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})
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.catch(function(error) {
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console.error('Error fetching data:', error);
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showError((window.I18N_JS && window.I18N_JS.load_error) || '数据加载失败，请刷新页面重试');
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});
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}
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// ==================== 事件监听 ====================
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function initEventListeners() {
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// 筛选器
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document.getElementById('filter-provider').addEventListener('change', handleFilterChange);
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document.getElementById('filter-region').addEventListener('change', handleFilterChange);
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document.getElementById('filter-memory').addEventListener('change', handleFilterChange);
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document.getElementById('filter-price').addEventListener('change', handleFilterChange);
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document.getElementById('filter-currency').addEventListener('change', handleCurrencyChange);
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document.getElementById('btn-reset').addEventListener('click', resetFilters);
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// 搜索
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var searchInput = document.getElementById('search-input');
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searchInput.addEventListener('input', debounce(handleSearch, 300));
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// 排序
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var sortableHeaders = document.querySelectorAll('.sortable');
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sortableHeaders.forEach(function(header) {
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header.addEventListener('click', handleSort);
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});
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}
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// ==================== 筛选器填充 ====================
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function populateFilters() {
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var providers = new Set();
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var regions = new Set();
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allPlans.forEach(function(plan) {
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providers.add(plan.provider);
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regions.add(plan.countries);
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});
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populateSelect('filter-provider', Array.from(providers).sort());
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populateSelect('filter-region', Array.from(regions).sort());
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}
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function populateSelect(id, options) {
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var select = document.getElementById(id);
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var currentValue = select.value;
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// 保留第一个选项（"全部"）
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while (select.options.length > 1) {
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select.remove(1);
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}
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options.forEach(function(option) {
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var opt = document.createElement('option');
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opt.value = option;
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opt.textContent = option;
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select.appendChild(opt);
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});
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select.value = currentValue;
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}
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// ==================== 筛选处理 ====================
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function handleFilterChange(e) {
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var id = e.target.id;
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var value = e.target.value;
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if (id === 'filter-provider') filters.provider = value;
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else if (id === 'filter-region') filters.region = value;
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else if (id === 'filter-memory') filters.memory = parseFloat(value);
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else if (id === 'filter-price') filters.price = value;
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renderTable();
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}
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function handleCurrencyChange(e) {
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filters.currency = e.target.value;
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renderTable();
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}
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function handleSearch(e) {
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filters.search = e.target.value.toLowerCase();
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renderTable();
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}
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function resetFilters() {
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filters = {
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provider: '',
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region: '',
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memory: 0,
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price: '0',
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currency: filters.currency,
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search: ''
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};
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document.getElementById('filter-provider').value = '';
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document.getElementById('filter-region').value = '';
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document.getElementById('filter-memory').value = '0';
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document.getElementById('filter-price').value = '0';
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document.getElementById('search-input').value = '';
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renderTable();
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}
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// ==================== 排序处理 ====================
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function handleSort(e) {
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var header = e.currentTarget;
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var column = header.dataset.sort;
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if (currentSort.column === column) {
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currentSort.direction = currentSort.direction === 'asc' ? 'desc' : 'asc';
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} else {
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currentSort.column = column;
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currentSort.direction = 'asc';
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}
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updateSortIcons();
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renderTable();
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}
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function updateSortIcons() {
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document.querySelectorAll('.sortable').forEach(function(header) {
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var icon = header.querySelector('.sort-icon');
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icon.textContent = '';
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if (header.dataset.sort === currentSort.column) {
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icon.textContent = currentSort.direction === 'asc' ? '↑' : '↓';
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}
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});
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}
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// ==================== 表格渲染 ====================
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function renderTable() {
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var filtered = filterPlans(allPlans);
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var sorted = sortPlans(filtered);
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var tbody = document.getElementById('table-body');
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tbody.innerHTML = '';
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if (sorted.length === 0) {
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tbody.innerHTML = '<tr><td colspan="10" style="text-align: center; padding: 2rem; color: var(--text-muted);">' + ((window.I18N_JS && window.I18N_JS.empty_state) || '未找到匹配的方案') + '</td></tr>';
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return;
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}
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sorted.forEach(function(plan) {
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var row = createTableRow(plan);
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tbody.appendChild(row);
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});
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}
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function filterPlans(plans) {
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return plans.filter(function(plan) {
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// 厂商筛选
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if (filters.provider && plan.provider !== filters.provider) return false;
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// 区域筛选
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if (filters.region && plan.countries !== filters.region) return false;
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// 内存筛选
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if (filters.memory > 0 && plan.memory_gb < filters.memory) return false;
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// 价格筛选
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if (filters.price !== '0') {
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var range = filters.price.split('-');
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var min = parseFloat(range[0]);
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var max = parseFloat(range[1]);
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var cnyPrice = getCnyPrice(plan);
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if (cnyPrice == null) return false;
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if (cnyPrice < min || cnyPrice > max) return false;
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}
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// 搜索筛选
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if (filters.search) {
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var searchText = (plan.provider + ' ' + plan.name + ' ' + plan.countries).toLowerCase();
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if (searchText.indexOf(filters.search) === -1) return false;
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}
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return true;
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});
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}
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function sortPlans(plans) {
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if (!currentSort.column) return plans;
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return plans.slice().sort(function(a, b) {
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var aVal;
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var bVal;
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if (currentSort.column === 'price') {
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var aPrice = getPriceValue(a, filters.currency);
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var bPrice = getPriceValue(b, filters.currency);
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aVal = aPrice ? aPrice.value : Number.POSITIVE_INFINITY;
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bVal = bPrice ? bPrice.value : Number.POSITIVE_INFINITY;
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} else {
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aVal = a[currentSort.column];
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bVal = b[currentSort.column];
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}
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if (typeof aVal === 'number' && typeof bVal === 'number') {
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return currentSort.direction === 'asc' ? aVal - bVal : bVal - aVal;
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}
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var aStr = String(aVal).toLowerCase();
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var bStr = String(bVal).toLowerCase();
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if (currentSort.direction === 'asc') {
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return aStr < bStr ? -1 : aStr > bStr ? 1 : 0;
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} else {
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return aStr > bStr ? -1 : aStr < bStr ? 1 : 0;
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}
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});
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}
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function createTableRow(plan) {
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var tr = document.createElement('tr');
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var currentPrice = getPriceValue(plan, filters.currency);
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var displayPrice = currentPrice ? currentPrice.symbol + currentPrice.value.toFixed(2) : '—';
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var btnText = (window.I18N_JS && window.I18N_JS.btn_visit) || '访问';
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tr.innerHTML =
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'<td>' + escapeHtml(plan.provider) + '</td>' +
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'<td>' + escapeHtml(plan.countries) + '</td>' +
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'<td>' + escapeHtml(plan.name) + '</td>' +
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'<td>' + plan.vcpu + '</td>' +
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'<td>' + plan.memory_gb + ' GB</td>' +
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'<td>' + plan.storage_gb + ' GB</td>' +
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'<td>' + (plan.bandwidth_mbps ? plan.bandwidth_mbps + ' Mbps' : '-') + '</td>' +
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'<td>' + plan.traffic + '</td>' +
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'<td class="col-price">' + displayPrice + '</td>' +
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'<td class="col-link">' +
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'<a href="' + escapeHtml(plan.official_url) + '" target="_blank" rel="noopener" class="btn-link">' + btnText + '</a>' +
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'</td>';
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return tr;
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}
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function escapeHtml(text) {
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var div = document.createElement('div');
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div.textContent = text;
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return div.innerHTML;
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}
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function debounce(func, wait) {
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var timeout;
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return function() {
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var context = this;
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var args = arguments;
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clearTimeout(timeout);
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timeout = setTimeout(function() {
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func.apply(context, args);
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}, wait);
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};
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}
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function showError(message) {
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var tbody = document.getElementById('table-body');
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tbody.innerHTML = '<tr><td colspan="10" style="text-align: center; padding: 2rem; color: #EF4444;">' + message + '</td></tr>';
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}
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// ==================== 启动 ====================
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', init);
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} else {
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init();
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}
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})();
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