134 lines
4.4 KiB
JavaScript
134 lines
4.4 KiB
JavaScript
/**
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* 公共分页工具函数
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*/
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// 渲染分页导航
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function renderPagination(pagination, pageChangeCallback) {
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const paginationEl = document.getElementById('pagination');
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if (!paginationEl) return;
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// 验证分页数据
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if (!pagination || typeof pagination !== 'object' ||
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!Number.isFinite(pagination.total_pages) || pagination.total_pages <= 1) {
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paginationEl.innerHTML = '';
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return;
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}
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let html = '';
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// 上一页
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if (pagination.has_prev) {
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html += `<li class="page-item">
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<a class="page-link" href="#" data-page="${pagination.current_page - 1}">上一页</a>
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</li>`;
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}
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// 页码
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const startPage = Math.max(1, pagination.current_page - 2);
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const endPage = Math.min(pagination.total_pages, pagination.current_page + 2);
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if (startPage > 1) {
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html += `<li class="page-item"><a class="page-link" href="#" data-page="1">1</a></li>`;
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if (startPage > 2) {
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html += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
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}
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}
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for (let i = startPage; i <= endPage; i++) {
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html += `<li class="page-item ${i === pagination.current_page ? 'active' : ''}">
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<a class="page-link" href="#" data-page="${i}">${i}</a>
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</li>`;
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}
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if (endPage < pagination.total_pages) {
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if (endPage < pagination.total_pages - 1) {
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html += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
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}
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html += `<li class="page-item"><a class="page-link" href="#" data-page="${pagination.total_pages}">${pagination.total_pages}</a></li>`;
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}
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// 下一页
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if (pagination.has_next) {
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html += `<li class="page-item">
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<a class="page-link" href="#" data-page="${pagination.current_page + 1}">下一页</a>
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</li>`;
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}
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paginationEl.innerHTML = html;
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// 绑定分页点击事件
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paginationEl.querySelectorAll('.page-link').forEach(link => {
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link.addEventListener('click', function(e) {
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e.preventDefault();
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const page = parseInt(this.dataset.page);
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if (page && page !== pagination.current_page) {
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if (typeof pageChangeCallback === 'function') {
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pageChangeCallback(page);
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}
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}
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});
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});
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}
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// 获取URL参数
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function getUrlParameter(name) {
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const urlParams = new URLSearchParams(window.location.search);
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return urlParams.get(name);
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}
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// 设置URL参数
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function setUrlParameter(param, value) {
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const urlParams = new URLSearchParams(window.location.search);
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if (value === null || value === '') {
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urlParams.delete(param);
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} else {
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urlParams.set(param, value);
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}
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window.history.replaceState({}, '', `${window.location.pathname}?${urlParams.toString()}`);
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}
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// 批量更新复选框状态
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function setupBatchSelection(selectAllId, itemCheckboxClass, selectedCountId, batchButtons) {
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const selectAll = document.getElementById(selectAllId);
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if (!selectAll) return;
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// 全选/取消全选
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selectAll.addEventListener('change', function() {
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const checkboxes = document.querySelectorAll(itemCheckboxClass);
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checkboxes.forEach(checkbox => {
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checkbox.checked = this.checked;
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});
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updateBatchButtons(selectedCountId, batchButtons);
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});
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// 单个复选框事件
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document.querySelectorAll(itemCheckboxClass).forEach(checkbox => {
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checkbox.addEventListener('change', () => {
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updateBatchButtons(selectedCountId, batchButtons);
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});
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});
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// 初始状态
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updateBatchButtons(selectedCountId, batchButtons);
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}
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// 更新批量操作按钮状态
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function updateBatchButtons(selectedCountId, batchButtons) {
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const selectedCount = document.querySelectorAll('.license-checkbox:checked, .product-checkbox:checked, .device-checkbox:checked').length;
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if (selectedCountId) {
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const countElement = document.getElementById(selectedCountId);
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if (countElement) {
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countElement.textContent = `已选择 ${selectedCount} 项`;
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}
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}
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if (batchButtons) {
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batchButtons.forEach(buttonId => {
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const button = document.getElementById(buttonId);
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if (button) {
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button.style.display = selectedCount > 0 ? 'inline-block' : 'none';
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}
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});
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}
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} |