120 lines
3.5 KiB
JavaScript
120 lines
3.5 KiB
JavaScript
// app/static/js/user_activity.js
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document.addEventListener('DOMContentLoaded', function() {
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let activityChart = null;
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// 初始加载
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loadUserActivity();
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function loadUserActivity() {
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// 显示加载状态
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document.getElementById('user-table-body').innerHTML = `
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<tr class="loading-row">
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<td colspan="4">加载中...</td>
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</tr>
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`;
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// 调用API获取数据
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fetch('/statistics/api/user-activity')
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.then(response => response.json())
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.then(data => {
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updateUserTable(data);
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updateUserChart(data);
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})
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.catch(error => {
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console.error('加载用户活跃度数据失败:', error);
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document.getElementById('user-table-body').innerHTML = `
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<tr class="error-row">
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<td colspan="4">加载数据失败，请稍后重试</td>
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</tr>
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`;
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});
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}
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function updateUserTable(data) {
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const tableBody = document.getElementById('user-table-body');
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if (data.length === 0) {
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tableBody.innerHTML = `
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<tr class="no-data-row">
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<td colspan="4">暂无数据</td>
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</tr>
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`;
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return;
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}
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let tableHtml = '';
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data.forEach((user, index) => {
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tableHtml += `
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<tr>
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<td class="rank">${index + 1}</td>
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<td>${user.username}</td>
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<td>${user.nickname}</td>
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<td class="borrow-count">${user.borrow_count}</td>
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</tr>
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`;
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});
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tableBody.innerHTML = tableHtml;
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}
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function updateUserChart(data) {
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// 销毁旧图表
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if (activityChart) {
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activityChart.destroy();
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}
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if (data.length === 0) {
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return;
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}
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// 准备图表数据
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const labels = data.map(user => user.nickname || user.username);
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const borrowCounts = data.map(user => user.borrow_count);
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// 创建图表
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const ctx = document.getElementById('user-activity-chart').getContext('2d');
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activityChart = new Chart(ctx, {
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type: 'bar',
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data: {
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labels: labels,
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datasets: [{
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label: '借阅次数',
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data: borrowCounts,
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backgroundColor: 'rgba(153, 102, 255, 0.6)',
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borderColor: 'rgba(153, 102, 255, 1)',
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borderWidth: 1
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}]
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},
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options: {
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responsive: true,
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maintainAspectRatio: false,
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scales: {
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y: {
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beginAtZero: true,
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title: {
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display: true,
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text: '借阅次数'
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}
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},
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x: {
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title: {
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display: true,
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text: '用户'
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}
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}
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},
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plugins: {
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legend: {
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display: false
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},
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title: {
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display: true,
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text: '最活跃用户排行'
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}
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}
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}
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});
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}
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});
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