293 lines
8.9 KiB
JavaScript
293 lines
8.9 KiB
JavaScript
// 图书浏览页面脚本
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$(document).ready(function() {
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// 分类筛选下拉菜单
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$('.category-filter-toggle').click(function() {
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$(this).toggleClass('active');
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$('.category-filter-dropdown').toggleClass('show');
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});
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// 点击外部关闭下拉菜单
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$(document).click(function(e) {
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if (!$(e.target).closest('.category-filters').length) {
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$('.category-filter-dropdown').removeClass('show');
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$('.category-filter-toggle').removeClass('active');
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}
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});
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// 处理借阅图书
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let bookIdToBorrow = null;
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let bookTitleToBorrow = '';
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$('.borrow-book').click(function(e) {
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e.preventDefault();
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bookIdToBorrow = $(this).data('id');
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// 获取图书标题
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const bookCard = $(this).closest('.book-card');
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bookTitleToBorrow = bookCard.find('.book-title').text();
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$('#borrowBookTitle').text(bookTitleToBorrow);
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$('#borrowModal').modal('show');
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});
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$('#confirmBorrow').click(function() {
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if (!bookIdToBorrow) return;
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// 禁用按钮防止重复提交
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$(this).prop('disabled', true).html('<i class="fas fa-spinner fa-spin"></i> 处理中...');
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$.ajax({
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url: `/borrow/add/${bookIdToBorrow}`,
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type: 'POST',
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success: function(response) {
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$('#borrowModal').modal('hide');
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if (response.success) {
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showNotification(response.message, 'success');
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// 更新UI显示
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const bookCard = $(`.book-card[data-id="${bookIdToBorrow}"]`);
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// 更改可借状态
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bookCard.find('.book-ribbon span').removeClass('available').addClass('unavailable').text('已借出');
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// 更改借阅按钮
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bookCard.find('.btn-borrow').replaceWith(`
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<button class="btn-borrow disabled" disabled>
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<i class="fas fa-check-circle"></i> 已借出
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</button>
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`);
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// 创建借阅成功动画
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const successOverlay = $('<div class="borrow-success-overlay"><i class="fas fa-check-circle"></i><span>借阅成功</span></div>');
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bookCard.append(successOverlay);
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setTimeout(() => {
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successOverlay.fadeOut(500, function() {
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$(this).remove();
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});
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}, 2000);
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} else {
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showNotification(response.message, 'error');
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}
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// 恢复按钮状态
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$('#confirmBorrow').prop('disabled', false).html('确认借阅');
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},
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error: function() {
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$('#borrowModal').modal('hide');
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showNotification('借阅操作失败，请稍后重试', 'error');
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$('#confirmBorrow').prop('disabled', false).html('确认借阅');
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}
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});
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});
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// 清除模态框数据
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$('#borrowModal').on('hidden.bs.modal', function() {
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bookIdToBorrow = null;
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bookTitleToBorrow = '';
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$('#borrowBookTitle').text('');
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});
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// 动态添加动画CSS
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const animationCSS = `
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.borrow-success-overlay {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: rgba(102, 126, 234, 0.9);
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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color: white;
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font-weight: 600;
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border-radius: 10px;
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z-index: 10;
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animation: fadeIn 0.3s;
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}
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.borrow-success-overlay i {
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font-size: 40px;
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margin-bottom: 10px;
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animation: scaleIn 0.5s;
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}
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@keyframes fadeIn {
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from { opacity: 0; }
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to { opacity: 1; }
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}
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@keyframes scaleIn {
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from { transform: scale(0); }
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to { transform: scale(1); }
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}
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`;
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$('<style>').text(animationCSS).appendTo('head');
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// 显示通知
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function showNotification(message, type) {
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// 移除可能存在的旧通知
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$('.notification-alert').remove();
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const alertClass = type === 'success' ? 'notification-success' : 'notification-error';
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const iconClass = type === 'success' ? 'fa-check-circle' : 'fa-exclamation-circle';
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const notification = `
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<div class="notification-alert ${alertClass}">
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<div class="notification-icon">
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<i class="fas ${iconClass}"></i>
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</div>
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<div class="notification-message">${message}</div>
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<button class="notification-close">
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<i class="fas fa-times"></i>
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</button>
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</div>
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`;
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$('body').append(notification);
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// 显示通知
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setTimeout(() => {
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$('.notification-alert').addClass('show');
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}, 10);
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// 通知自动关闭
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setTimeout(() => {
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$('.notification-alert').removeClass('show');
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setTimeout(() => {
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$('.notification-alert').remove();
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}, 300);
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}, 4000);
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// 点击关闭按钮
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$('.notification-close').click(function() {
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$(this).closest('.notification-alert').removeClass('show');
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setTimeout(() => {
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$(this).closest('.notification-alert').remove();
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}, 300);
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});
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}
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// 添加通知样式
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const notificationCSS = `
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.notification-alert {
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position: fixed;
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top: 20px;
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right: 20px;
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min-width: 300px;
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max-width: 400px;
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background-color: white;
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border-radius: 10px;
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box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
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display: flex;
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align-items: center;
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padding: 15px;
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transform: translateX(calc(100% + 20px));
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transition: transform 0.3s ease;
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z-index: 9999;
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}
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.notification-alert.show {
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transform: translateX(0);
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}
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.notification-success {
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border-left: 4px solid #4caf50;
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}
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.notification-error {
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border-left: 4px solid #f44336;
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}
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.notification-icon {
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margin-right: 15px;
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font-size: 24px;
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}
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.notification-success .notification-icon {
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color: #4caf50;
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}
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.notification-error .notification-icon {
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color: #f44336;
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}
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.notification-message {
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flex: 1;
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font-size: 0.95rem;
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color: #3c4858;
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}
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.notification-close {
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background: none;
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border: none;
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color: #a0aec0;
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cursor: pointer;
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padding: 5px;
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margin-left: 10px;
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font-size: 0.8rem;
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}
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.notification-close:hover {
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color: #4a5568;
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}
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@media (max-width: 576px) {
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.notification-alert {
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top: auto;
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bottom: 20px;
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left: 20px;
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right: 20px;
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min-width: auto;
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max-width: none;
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transform: translateY(calc(100% + 20px));
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}
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.notification-alert.show {
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transform: translateY(0);
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}
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}
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`;
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$('<style>').text(notificationCSS).appendTo('head');
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// 卡片淡入效果
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$('.book-card').each(function(index) {
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$(this).css('animation-delay', `${0.05 * index}s`);
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});
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// 鼠标悬停时添加卡片提示信息
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$('.book-card').each(function() {
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const title = $(this).find('.book-title').text();
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const author = $(this).find('.book-author').text();
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$(this).attr('title', `${title} - ${author}`);
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});
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// 懒加载图片处理（可选）
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if ('IntersectionObserver' in window) {
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const imgObserver = new IntersectionObserver((entries, observer) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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const img = entry.target;
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img.src = img.dataset.src;
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img.classList.remove('lazy');
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observer.unobserve(img);
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}
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});
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});
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document.querySelectorAll('img.lazy').forEach(img => {
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imgObserver.observe(img);
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});
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} else {
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// 回退机制，直接加载所有图片
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document.querySelectorAll('img.lazy').forEach(img => {
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img.src = img.dataset.src;
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});
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}
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});
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