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修复商品搜索分页bug

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zhinianboke 2025-08-02 13:38:11 +08:00
parent 06a6392cfd
commit 565625ab15
1 changed files with 167 additions and 112 deletions
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279
static/item_search.html
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@ -206,7 +206,7 @@
</div> </div>
</div> <!-- 结束 mainContent --> </div> <!-- 结束 mainContent -->
<script src="/lib/bootstrap/bootstrap.bundle.min.js"></script> <script src="/static/lib/bootstrap/bootstrap.bundle.min.js"></script>
<script> <script>
// 全局变量 // 全局变量
let currentPage = 1; let currentPage = 1;
@ -571,7 +571,11 @@
displayCurrentPage(); displayCurrentPage();
} }
// 显示当前页数据 } // 结束 initializePage 函数
// ========================= 全局函数 =========================
// 显示当前页数据（全局函数）
function displayCurrentPage() { function displayCurrentPage() {
const resultsContainer = document.getElementById('searchResults'); const resultsContainer = document.getElementById('searchResults');
@ -623,12 +627,134 @@
resultsContainer.innerHTML = items.map(item => createItemCard(item)).join(''); resultsContainer.innerHTML = items.map(item => createItemCard(item)).join('');
} }
// 创建商品卡片HTML
// 更新分页提示（保留原有功能）
function updatePagination() {
const paginationContainer = document.getElementById('paginationContainer');
const pagination = document.getElementById('pagination');
// 显示页码选择提示
paginationContainer.style.display = 'block';
let paginationHtml = `
<li class="page-item disabled">
<span class="page-link">
<i class="bi bi-info-circle me-2"></i>
要查看其他页面，请在上方选择页码后重新搜索
</span>
</li>
`;
pagination.innerHTML = paginationHtml;
} // 结束 initializePage 函数
// ========================= 全局函数 =========================
// 跳转到指定页（全局函数，供分页按钮调用）
function goToPage(page) {
currentPage = page;
displayCurrentPage();
updateFrontendPagination();
// 更新统计信息
updateStatsDisplay();
// 滚动到页面顶部
window.scrollTo({ top: 0, behavior: 'smooth' });
}
// 更新统计信息显示（全局函数）
function updateStatsDisplay() {
const statsText = document.getElementById('statsText');
let dataSource = '';
if (allItems.length > 0) {
dataSource = ' [真实数据]';
}
const totalPages = Math.ceil(allItems.length / currentPageSize);
statsText.textContent = `搜索"${currentKeyword}"，共获取 ${allItems.length} 个商品${dataSource}，当前显示第 ${currentPage}/${totalPages} 页（每页${currentPageSize}条）`;
}
// 更新前端分页（全局函数）
function updateFrontendPagination() {
const totalPages = Math.ceil(allItems.length / currentPageSize);
const paginationContainer = document.getElementById('paginationContainer');
const pagination = document.getElementById('pagination');
if (totalPages <= 1) {
paginationContainer.style.display = 'none';
return;
}
paginationContainer.style.display = 'block';
let paginationHtml = '';
// 上一页
if (currentPage > 1) {
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${currentPage - 1}); return false;">上一页</a></li>`;
}
// 页码显示逻辑
if (totalPages <= 7) {
// 如果总页数不超过7页，显示所有页码
for (let i = 1; i <= totalPages; i++) {
const active = i === currentPage ? 'active' : '';
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i}); return false;">${i}</a></li>`;
}
} else {
// 如果总页数超过7页，使用省略号显示
if (currentPage <= 4) {
// 当前页在前面，显示 1 2 3 4 5 ... 最后页
for (let i = 1; i <= 5; i++) {
const active = i === currentPage ? 'active' : '';
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i}); return false;">${i}</a></li>`;
}
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${totalPages}); return false;">${totalPages}</a></li>`;
} else if (currentPage >= totalPages - 3) {
// 当前页在后面，显示 1 ... 倒数5页
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(1); return false;">1</a></li>`;
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
for (let i = totalPages - 4; i <= totalPages; i++) {
const active = i === currentPage ? 'active' : '';
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i}); return false;">${i}</a></li>`;
}
} else {
// 当前页在中间，显示 1 ... 当前页前后2页 ... 最后页
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(1); return false;">1</a></li>`;
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
for (let i = currentPage - 2; i <= currentPage + 2; i++) {
const active = i === currentPage ? 'active' : '';
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i}); return false;">${i}</a></li>`;
}
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${totalPages}); return false;">${totalPages}</a></li>`;
}
}
// 下一页
if (currentPage < totalPages) {
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${currentPage + 1}); return false;">下一页</a></li>`;
}
pagination.innerHTML = paginationHtml;
}
// 创建商品卡片HTML（全局函数）
function createItemCard(item) { function createItemCard(item) {
const tags = item.tags ? item.tags.map(tag => `<span class="tag">${escapeHtml(tag)}</span>`).join('') : ''; const tags = item.tags ? item.tags.map(tag => `<span class="tag">${escapeHtml(tag)}</span>`).join('') : '';
const imageUrl = item.main_image || 'https://via.placeholder.com/200x200?text=暂无图片'; const imageUrl = item.main_image || 'https://via.placeholder.com/200x200?text=暂无图片';
const wantCount = item.want_count || 0; const wantCount = item.want_count || 0;
return ` return `
<div class="col-md-6 col-lg-4 col-xl-3 mb-4"> <div class="col-md-6 col-lg-4 col-xl-3 mb-4">
<div class="card item-card h-100"> <div class="card item-card h-100">
@ -667,120 +793,49 @@
`; `;
} }
// 显示商品详情（全局函数）
function showItemDetail(itemId) {
// 查找对应的商品数据
const item = allItems.find(i => i.item_id === itemId);
// 更新前端分页 if (!item) {
function updateFrontendPagination() { alert('商品信息不存在');
const totalPages = Math.ceil(allItems.length / currentPageSize);
const paginationContainer = document.getElementById('paginationContainer');
const pagination = document.getElementById('pagination');
if (totalPages <= 1) {
paginationContainer.style.display = 'none';
return; return;
} }
paginationContainer.style.display = 'block'; // 填充模态框内容
const modalBody = document.querySelector('#itemDetailModal .modal-body');
let paginationHtml = ''; modalBody.innerHTML = `
<div class="row">
// 上一页 <div class="col-md-6">
if (currentPage > 1) { <img src="${escapeHtml(item.main_image || 'https://via.placeholder.com/400x400?text=暂无图片')}"
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${currentPage - 1})">上一页</a></li>`; class="img-fluid rounded" alt="${escapeHtml(item.title)}"
} onerror="this.src='https://via.placeholder.com/400x400?text=图片加载失败'">
</div>
// 页码显示逻辑 <div class="col-md-6">
if (totalPages <= 7) { <h5>${escapeHtml(item.title)}</h5>
// 如果总页数不超过7页，显示所有页码 <p class="text-primary fs-4 fw-bold">${escapeHtml(item.price)}</p>
for (let i = 1; i <= totalPages; i++) { <p><strong>卖家：</strong>${escapeHtml(item.seller_name)}</p>
const active = i === currentPage ? 'active' : ''; ${item.want_count ? `<p><strong>想要人数：</strong>${item.want_count}人</p>` : ''}
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i})">${i}</a></li>`; ${item.publish_time ? `<p><strong>发布时间：</strong>${escapeHtml(item.publish_time)}</p>` : ''}
} ${item.tags && item.tags.length > 0 ? `
} else { <p><strong>标签：</strong></p>
// 如果总页数超过7页，使用省略号显示 <div class="mb-3">
if (currentPage <= 4) { ${item.tags.map(tag => `<span class="badge bg-secondary me-1">${escapeHtml(tag)}</span>`).join('')}
// 当前页在前面，显示 1 2 3 4 5 ... 最后页 </div>
for (let i = 1; i <= 5; i++) { ` : ''}
const active = i === currentPage ? 'active' : ''; <p><strong>商品链接：</strong></p>
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i})">${i}</a></li>`; <a href="${escapeHtml(item.item_url)}" target="_blank" class="btn btn-primary">
} <i class="bi bi-link-45deg me-1"></i>
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`; 在闲鱼中查看
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${totalPages})">${totalPages}</a></li>`; </a>
} else if (currentPage >= totalPages - 3) { </div>
// 当前页在后面，显示 1 ... 倒数5页 </div>
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(1)">1</a></li>`;
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
for (let i = totalPages - 4; i <= totalPages; i++) {
const active = i === currentPage ? 'active' : '';
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i})">${i}</a></li>`;
}
} else {
// 当前页在中间，显示 1 ... 当前页前后2页 ... 最后页
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(1)">1</a></li>`;
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
for (let i = currentPage - 2; i <= currentPage + 2; i++) {
const active = i === currentPage ? 'active' : '';
paginationHtml += `<li class="page-item ${active}"><a class="page-link" href="#" onclick="goToPage(${i})">${i}</a></li>`;
}
paginationHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${totalPages})">${totalPages}</a></li>`;
}
}
// 下一页
if (currentPage < totalPages) {
paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="goToPage(${currentPage + 1})">下一页</a></li>`;
}
pagination.innerHTML = paginationHtml;
}
// 跳转到指定页
function goToPage(page) {
currentPage = page;
displayCurrentPage();
updateFrontendPagination();
// 更新统计信息
updateStatsDisplay();
}
// 更新统计信息显示
function updateStatsDisplay() {
const statsText = document.getElementById('statsText');
let dataSource = '';
if (allItems.length > 0) {
dataSource = ' [真实数据]';
}
const totalPages = Math.ceil(allItems.length / currentPageSize);
statsText.textContent = `搜索"${currentKeyword}"，共获取 ${allItems.length} 个商品${dataSource}，当前显示第 ${currentPage}/${totalPages} 页（每页${currentPageSize}条）`;
}
// 更新分页提示（保留原有功能）
function updatePagination() {
const paginationContainer = document.getElementById('paginationContainer');
const pagination = document.getElementById('pagination');
// 显示页码选择提示
paginationContainer.style.display = 'block';
let paginationHtml = `
<li class="page-item disabled">
<span class="page-link">
<i class="bi bi-info-circle me-2"></i>
要查看其他页面，请在上方选择页码后重新搜索
</span>
</li>
`; `;
pagination.innerHTML = paginationHtml; // 显示模态框
const modal = new bootstrap.Modal(document.getElementById('itemDetailModal'));
modal.show();
} }
} // 结束 initializePage 函数
</script> </script>
</body> </body>
</html> </html>