feat: update auto render

This commit is contained in:
2025-08-07 20:03:53 +08:00
parent fd67864247
commit d7e8ca38f8
39 changed files with 5684 additions and 130 deletions

180
web/static/js/api-client.js Normal file
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/**
* API客户端 - 处理所有AJAX请求
*/
class APIClient {
constructor(baseURL = '/api') {
this.baseURL = baseURL;
this.defaultHeaders = {
'Content-Type': 'application/json',
'Accept': 'application/json'
};
this.cache = new Map();
this.cacheTimeout = 5 * 60 * 1000; // 5分钟缓存
}
/**
* 获取所有数据表列表
*/
async getTables() {
const cacheKey = 'tables';
// 检查缓存
if (this.cache.has(cacheKey)) {
const cached = this.cache.get(cacheKey);
if (Date.now() - cached.timestamp < this.cacheTimeout) {
return cached.data;
}
}
const response = await fetch(`${this.baseURL}/tables`);
if (!response.ok) throw new Error('Failed to fetch tables');
const data = await response.json();
this.cache.set(cacheKey, { data, timestamp: Date.now() });
return data;
}
/**
* 获取数据表数据
* @param {string} tableAlias - 表别名
* @param {Object} params - 查询参数
*/
async getTableData(tableAlias, params = {}) {
const url = new URL(`${this.baseURL}/data/${tableAlias}`, window.location.origin);
// 添加查询参数
Object.keys(params).forEach(key => {
if (params[key] !== undefined && params[key] !== '') {
url.searchParams.append(key, params[key]);
}
});
const cacheKey = url.toString();
// 检查缓存(搜索参数相关的缓存)
if (this.cache.has(cacheKey) && !params.search) {
const cached = this.cache.get(cacheKey);
if (Date.now() - cached.timestamp < this.cacheTimeout) {
return cached.data;
}
}
// 使用 AbortController 支持请求取消
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 10000); // 10秒超时
try {
const response = await fetch(url, {
signal: controller.signal,
headers: this.defaultHeaders
});
clearTimeout(timeoutId);
if (!response.ok) throw new Error('Failed to fetch table data');
const data = await response.json();
// 缓存非搜索请求的结果
if (!params.search) {
this.cache.set(cacheKey, { data, timestamp: Date.now() });
}
return data;
} catch (error) {
clearTimeout(timeoutId);
throw error;
}
}
/**
* 获取数据详情
* @param {string} tableAlias - 表别名
* @param {string|number} id - 记录ID
*/
async getRecordDetail(tableAlias, id) {
const cacheKey = `detail:${tableAlias}:${id}`;
// 检查缓存
if (this.cache.has(cacheKey)) {
const cached = this.cache.get(cacheKey);
if (Date.now() - cached.timestamp < this.cacheTimeout) {
return cached.data;
}
}
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 5000);
try {
const response = await fetch(`${this.baseURL}/data/${tableAlias}/detail/${id}`, {
signal: controller.signal
});
clearTimeout(timeoutId);
if (!response.ok) throw new Error('Failed to fetch record detail');
const data = await response.json();
this.cache.set(cacheKey, { data, timestamp: Date.now() });
return data;
} catch (error) {
clearTimeout(timeoutId);
throw error;
}
}
/**
* 获取可用模板列表
* @param {string} tableName - 表名
*/
async getAvailableTemplates(tableName) {
const cacheKey = `templates:${tableName}`;
// 检查缓存
if (this.cache.has(cacheKey)) {
const cached = this.cache.get(cacheKey);
if (Date.now() - cached.timestamp < this.cacheTimeout) {
return cached.data;
}
}
const response = await fetch(`/api/templates/${tableName}/available`);
if (!response.ok) throw new Error('Failed to fetch templates');
const data = await response.json();
this.cache.set(cacheKey, { data, timestamp: Date.now() });
return data;
}
/**
* 验证模板
* @param {string} tableName - 表名
* @param {string} templateType - 模板类型
*/
async validateTemplate(tableName, templateType) {
const response = await fetch(`/api/templates/${tableName}/validate?type=${templateType}`);
return response.json();
}
/**
* 获取模板预览
* @param {string} tableName - 表名
* @param {string} templateType - 模板类型
*/
async getTemplatePreview(tableName, templateType) {
const response = await fetch(`/api/templates/${tableName}/preview?type=${templateType}`);
if (!response.ok) throw new Error('Failed to fetch template preview');
return response.text();
}
/**
* 清空缓存
*/
clearCache() {
this.cache.clear();
}
}
// 全局API客户端实例
window.apiClient = new APIClient();

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/**
* 性能监控器 - 监控和优化前端性能
*/
class PerformanceMonitor {
constructor() {
this.metrics = new Map();
this.observers = new Set();
this.isEnabled = true;
this.threshold = {
renderTime: 1000, // 渲染时间阈值
loadTime: 2000, // 加载时间阈值
memoryUsage: 100 * 1024 * 1024 // 内存使用阈值
};
this.init();
}
/**
* 初始化性能监控
*/
init() {
if (typeof window !== 'undefined' && window.performance) {
this.setupPerformanceObserver();
this.setupMemoryMonitor();
}
}
/**
* 设置性能观察器
*/
setupPerformanceObserver() {
if ('PerformanceObserver' in window) {
const observer = new PerformanceObserver((list) => {
for (const entry of list.getEntries()) {
this.recordMetric(entry.name, {
duration: entry.duration,
startTime: entry.startTime,
type: entry.entryType
});
}
});
observer.observe({ entryTypes: ['measure', 'navigation', 'resource'] });
}
}
/**
* 设置内存监控
*/
setupMemoryMonitor() {
if ('memory' in performance) {
setInterval(() => {
const memory = performance.memory;
this.recordMetric('memory', {
used: memory.usedJSHeapSize,
total: memory.totalJSHeapSize,
limit: memory.jsHeapSizeLimit,
timestamp: Date.now()
});
// 检查内存使用是否超过阈值
if (memory.usedJSHeapSize > this.threshold.memoryUsage) {
this.triggerAlert('high_memory_usage', {
used: memory.usedJSHeapSize,
limit: this.threshold.memoryUsage
});
}
}, 10000); // 每10秒检查一次
}
}
/**
* 记录性能指标
* @param {string} name - 指标名称
* @param {Object} data - 指标数据
*/
recordMetric(name, data) {
if (!this.isEnabled) return;
if (!this.metrics.has(name)) {
this.metrics.set(name, []);
}
const records = this.metrics.get(name);
records.push({
...data,
timestamp: Date.now()
});
// 限制记录数量
if (records.length > 100) {
records.shift();
}
// 触发观察者通知
this.notifyObservers(name, data);
}
/**
* 开始性能计时
* @param {string} name - 计时器名称
*/
startTimer(name) {
if (typeof window !== 'undefined' && window.performance) {
performance.mark(`${name}_start`);
}
}
/**
* 结束性能计时
* @param {string} name - 计时器名称
*/
endTimer(name) {
if (typeof window !== 'undefined' && window.performance) {
performance.mark(`${name}_end`);
performance.measure(name, `${name}_start`, `${name}_end`);
}
}
/**
* 获取性能指标
* @param {string} name - 指标名称
*/
getMetric(name) {
return this.metrics.get(name) || [];
}
/**
* 获取平均渲染时间
*/
getAverageRenderTime() {
const renders = this.getMetric('template-render');
if (renders.length === 0) return 0;
const total = renders.reduce((sum, r) => sum + r.duration, 0);
return total / renders.length;
}
/**
* 添加性能观察者
* @param {Function} callback - 回调函数
*/
addObserver(callback) {
this.observers.add(callback);
}
/**
* 移除性能观察者
* @param {Function} callback - 回调函数
*/
removeObserver(callback) {
this.observers.delete(callback);
}
/**
* 通知观察者
* @param {string} name - 指标名称
* @param {Object} data - 指标数据
*/
notifyObservers(name, data) {
this.observers.forEach(callback => {
try {
callback(name, data);
} catch (error) {
console.error('Performance observer error:', error);
}
});
}
/**
* 触发性能警报
* @param {string} type - 警报类型
* @param {Object} data - 警报数据
*/
triggerAlert(type, data) {
console.warn(`Performance Alert: ${type}`, data);
// 可以在这里集成错误报告服务
if (window.console && window.console.warn) {
console.warn(`[Performance] ${type}:`, data);
}
}
/**
* 获取性能报告
*/
getReport() {
const report = {
timestamp: Date.now(),
metrics: {},
summary: {
totalRequests: 0,
averageRenderTime: this.getAverageRenderTime(),
cacheHitRate: 0
}
};
// 汇总指标
for (const [name, records] of this.metrics) {
report.metrics[name] = {
count: records.length,
average: records.reduce((sum, r) => sum + (r.duration || 0), 0) / records.length,
min: Math.min(...records.map(r => r.duration || 0)),
max: Math.max(...records.map(r => r.duration || 0)),
last: records[records.length - 1]
};
}
return report;
}
/**
* 清空性能数据
*/
clear() {
this.metrics.clear();
this.observers.clear();
}
/**
* 启用/禁用性能监控
* @param {boolean} enabled - 是否启用
*/
setEnabled(enabled) {
this.isEnabled = enabled;
}
}
// 全局性能监控器实例
window.performanceMonitor = new PerformanceMonitor();
// 集成到模板引擎和API客户端中
// 在template-engine.js和api-client.js中使用performanceMonitor.startTimer/endTimer

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/**
* 模板引擎 - 动态模板渲染系统
*/
class TemplateEngine {
constructor() {
this.templates = new Map();
this.cache = new Map();
this.currentTable = null;
this.currentTemplate = 'list';
this.currentData = null;
this.isLoading = false;
this.preloadQueue = new Set();
this.cacheLimit = 50; // 限制缓存大小
this.cacheAccess = new Map(); // 记录缓存访问时间用于LRU
}
/**
* 加载模板
* @param {string} templateName - 模板名称
* @param {string} tableName - 表名
*/
async loadTemplate(templateName, tableName) {
const cacheKey = `${templateName}:${tableName}`;
// 检查缓存
if (this.cache.has(cacheKey)) {
this.cacheAccess.set(cacheKey, Date.now());
return this.cache.get(cacheKey);
}
try {
// 使用 AbortController 支持请求取消
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 5000); // 5秒超时
// 优先使用自定义模板
const customPath = `/templates/custom/${tableName}/${templateName}.html`;
let response = await fetch(customPath, { signal: controller.signal });
if (!response.ok) {
// 回退到默认自定义模板
const defaultPath = `/templates/custom/_default/${templateName}.html`;
response = await fetch(defaultPath, { signal: controller.signal });
}
if (!response.ok) {
// 回退到内置模板
const builtinPath = `/templates/builtin/${templateName}.html`;
response = await fetch(builtinPath, { signal: controller.signal });
}
clearTimeout(timeoutId);
if (!response.ok) {
throw new Error(`Template ${templateName} not found`);
}
const template = await response.text();
this.setCache(cacheKey, template);
return template;
} catch (error) {
console.error('Failed to load template:', error);
return this.getFallbackTemplate(templateName);
}
}
/**
* 获取回退模板
*/
getFallbackTemplate(templateName) {
const fallbacks = {
'list': `
<div class="bg-white rounded-lg shadow overflow-hidden">
<table class="min-w-full divide-y divide-gray-200">
<thead class="bg-gray-50">
<tr>
{{#each columns}}
{{#if this.showInList}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
{{this.alias}}
</th>
{{/if}}
{{/each}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">操作</th>
</tr>
</thead>
<tbody class="bg-white divide-y divide-gray-200">
{{#each data}}
<tr class="hover:bg-gray-50">
{{#each ../columns}}
{{#if this.showInList}}
<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{{renderField (lookup ../this this.name) this.renderType this}}
</td>
{{/if}}
{{/each}}
<td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
<button onclick="showDetail('{{this.id}}')" class="text-blue-600 hover:text-blue-900">查看详情</button>
</td>
</tr>
{{/each}}
</tbody>
</table>
</div>
`,
'card': `
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4 p-4">
{{#each data}}
<div class="bg-white border rounded-lg p-4 hover:shadow-md transition-shadow">
{{#each ../columns}}
{{#if this.showInList}}
<div class="mb-2">
<label class="block text-sm font-medium text-gray-700">{{this.alias}}</label>
<div class="mt-1 text-sm text-gray-900">
{{renderField (lookup ../this this.name) this.renderType this}}
</div>
</div>
{{/if}}
{{/each}}
<div class="mt-4">
<button onclick="showDetail('{{this.id}}')" class="text-blue-600 hover:text-blue-900 text-sm">查看详情</button>
</div>
</div>
{{/each}}
</div>
`
};
return fallbacks[templateName] || fallbacks['list'];
}
/**
* 渲染字段
* @param {*} value - 字段值
* @param {string} type - 渲染类型
* @param {*} column - 列配置
*/
renderField(value, type, column) {
const renderers = {
'raw': (v) => v || '-',
'time': (v) => {
if (!v) return '-';
const date = new Date(v);
return column.format ?
date.toLocaleString('zh-CN') :
date.toLocaleString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit' });
},
'tag': (v, col) => {
if (!v || !col.values) return v || '-';
const tag = col.values[v.toString()];
if (!tag) return v;
return `<span class="px-2 py-1 text-xs font-medium rounded-full" style="background-color: ${tag.color}; color: white;">${tag.label}</span>`;
},
'category': (v) => v || '-',
'markdown': (v) => {
if (!v) return '-';
return marked.parse(v.toString());
}
};
return renderers[type] ? renderers[type](value, column) : value || '-';
}
/**
* 渲染模板
* @param {string} template - 模板内容
* @param {Object} data - 渲染数据
*/
renderTemplate(template, data) {
try {
// 简单压缩HTML模板
const compressedTemplate = this.compressHTML(template);
// 简单的模板引擎实现 - 优化性能
let rendered = compressedTemplate;
// 预编译正则表达式,提升性能
const eachRegex = /\{\{#each ([^}]+)\}\}([\s\S]*?)\{\{\/each\}\}/g;
const fieldRegex = /\{\{renderField ([^}]+)\}\}/g;
const variableRegex = /\{\{([^}]+)\}\}/g;
const thisRegex = /\{\{this\.([^}]+)\}\}/g;
const simpleThisRegex = /\{\{this\}\}/g;
// 处理循环
rendered = rendered.replace(eachRegex, (match, path, content) => {
const items = this.getValue(data, path);
if (!Array.isArray(items)) return '';
return items.map(item => {
let itemContent = content;
itemContent = itemContent.replace(thisRegex, (m, key) => this.getValue(item, key) || '');
itemContent = itemContent.replace(simpleThisRegex, item);
return itemContent;
}).join('');
});
// 处理字段渲染
rendered = rendered.replace(fieldRegex, (match, params) => {
const [valuePath, typePath, columnPath] = params.split(' ');
const value = this.getValue(data, valuePath);
const type = this.getValue(data, typePath);
const column = this.getValue(data, columnPath);
return this.renderField(value, type, column);
});
// 处理简单变量
rendered = rendered.replace(variableRegex, (match, path) => {
return this.getValue(data, path) || '';
});
return rendered;
} catch (error) {
console.error('Template rendering failed:', error);
return this.renderError('模板渲染失败:' + error.message);
}
}
/**
* 获取对象值
*/
getValue(obj, path) {
if (!obj || !path) return undefined;
const keys = path.split('.');
let value = obj;
for (const key of keys) {
if (value == null) return undefined;
value = value[key];
}
return value;
}
/**
* 渲染数据表
* @param {string} tableName - 表名
* @param {Object} options - 渲染选项
*/
async renderTable(tableName, options = {}) {
try {
this.showLoading();
const { page = 1, perPage = 20, search = '', sort = '', order = 'desc', template = 'list' } = options;
// 并行加载数据和模板
const [data, templateContent] = await Promise.all([
apiClient.getTableData(tableName, {
page,
per_page: perPage,
search,
sort,
order
}),
this.loadTemplate(template, tableName)
]);
// 预加载其他常用模板
if (template !== 'list') {
this.preloadTemplates(tableName, ['list']);
}
if (template !== 'card') {
this.preloadTemplates(tableName, ['card']);
}
// 渲染数据
const rendered = this.renderTemplate(templateContent, {
data: data.data,
columns: data.columns || [],
total: data.total,
page: data.page,
perPage: data.per_page,
pages: data.pages
});
this.currentTable = tableName;
this.currentTemplate = template;
this.currentData = data;
this.hideLoading();
return rendered;
} catch (error) {
console.error('Failed to render table:', error);
this.hideLoading();
return this.renderError(error.message);
}
}
/**
* 切换模板
* @param {string} templateName - 模板名称
*/
async switchTemplate(templateName) {
if (!this.currentTable) return;
try {
const rendered = await this.renderTable(this.currentTable, {
...this.getCurrentOptions(),
template: templateName
});
this.updateContent(rendered);
// 更新URL参数
const url = new URL(window.location);
url.searchParams.set('template', templateName);
window.history.pushState({}, '', url);
} catch (error) {
console.error('Failed to switch template:', error);
}
}
/**
* 获取当前查询参数
*/
getCurrentOptions() {
const url = new URL(window.location);
return {
page: parseInt(url.searchParams.get('page')) || 1,
perPage: parseInt(url.searchParams.get('per_page')) || 20,
search: url.searchParams.get('search') || '',
sort: url.searchParams.get('sort') || '',
order: url.searchParams.get('order') || 'desc',
template: this.currentTemplate
};
}
/**
* 显示加载状态
*/
showLoading() {
this.isLoading = true;
const container = document.getElementById('mainContent');
if (container) {
container.innerHTML = `
<div class="flex justify-center items-center h-64">
<div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
<span class="ml-3 text-gray-600">加载中...</span>
</div>
`;
}
}
/**
* 隐藏加载状态
*/
hideLoading() {
this.isLoading = false;
}
/**
* 更新内容
* @param {string} content - 渲染后的HTML内容
*/
updateContent(content) {
const container = document.getElementById('mainContent');
if (container) {
container.innerHTML = content;
}
}
/**
* 渲染错误
* @param {string} message - 错误消息
*/
renderError(message) {
return `
<div class="bg-red-50 border border-red-200 rounded-lg p-4">
<div class="flex">
<div class="text-red-600">
<svg class="h-5 w-5" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd" />
</svg>
</div>
<div class="ml-3">
<h3 class="text-sm font-medium text-red-800">加载失败</h3>
<div class="mt-2 text-sm text-red-700">
<p>${message}</p>
</div>
</div>
</div>
</div>
`;
}
/**
* 设置缓存带LRU策略
* @param {string} key - 缓存键
* @param {string} value - 缓存值
*/
setCache(key, value) {
if (this.cache.size >= this.cacheLimit) {
// 使用LRU策略移除最少使用的缓存
const oldestKey = this.getOldestCacheKey();
if (oldestKey) {
this.cache.delete(oldestKey);
this.cacheAccess.delete(oldestKey);
}
}
this.cache.set(key, value);
this.cacheAccess.set(key, Date.now());
}
/**
* 获取最久未使用的缓存键
*/
getOldestCacheKey() {
let oldestKey = null;
let oldestTime = Date.now();
for (const [key, time] of this.cacheAccess) {
if (time < oldestTime) {
oldestTime = time;
oldestKey = key;
}
}
return oldestKey;
}
/**
* 预加载模板
* @param {string} tableName - 表名
* @param {Array} templateNames - 模板名称列表
*/
async preloadTemplates(tableName, templateNames) {
const promises = templateNames.map(templateName =>
this.loadTemplate(templateName, tableName).catch(() => {
// 预加载失败时不影响主流程
console.warn(`Failed to preload template: ${templateName}`);
})
);
await Promise.allSettled(promises);
}
/**
* 清空缓存
*/
clearCache() {
this.cache.clear();
this.cacheAccess.clear();
}
/**
* 压缩HTML内容简单压缩
* @param {string} html - HTML内容
*/
compressHTML(html) {
return html
.replace(/\s+/g, ' ')
.replace(/>\s+</g, '><')
.trim();
}
}
// 全局模板引擎实例
window.templateEngine = new TemplateEngine();

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/**
* UI控制器 - 管理模板切换和用户界面交互
*/
class UIController {
constructor() {
this.currentTable = null;
this.currentTemplate = 'list';
this.availableTemplates = [];
this.isLoading = false;
this.searchTimeout = null;
this.init();
}
/**
* 初始化UI控制器
*/
init() {
this.bindEvents();
this.setupKeyboardShortcuts();
this.setupResponsiveUI();
this.loadFromURL();
}
/**
* 绑定事件监听器
*/
bindEvents() {
// 表选择器
const tableSelector = document.getElementById('tableSelector');
if (tableSelector) {
tableSelector.addEventListener('change', (e) => {
this.changeTable(e.target.value);
});
}
// 搜索框
const searchInput = document.getElementById('searchInput');
if (searchInput) {
searchInput.addEventListener('input', (e) => {
this.handleSearch(e.target.value);
});
}
// 分页
document.addEventListener('click', (e) => {
if (e.target.classList.contains('pagination-link')) {
e.preventDefault();
const page = parseInt(e.target.dataset.page);
this.goToPage(page);
}
});
// 排序
document.addEventListener('click', (e) => {
if (e.target.classList.contains('sort-header')) {
e.preventDefault();
const field = e.target.dataset.field;
this.toggleSort(field);
}
});
// 模板切换
document.addEventListener('click', (e) => {
if (e.target.classList.contains('template-switch')) {
e.preventDefault();
const template = e.target.dataset.template;
this.switchTemplate(template);
}
});
// 刷新按钮
const refreshBtn = document.getElementById('refreshBtn');
if (refreshBtn) {
refreshBtn.addEventListener('click', () => {
this.refreshData();
});
}
// 浏览器历史记录
window.addEventListener('popstate', () => {
this.loadFromURL();
});
}
/**
* 设置键盘快捷键
*/
setupKeyboardShortcuts() {
document.addEventListener('keydown', (e) => {
// Ctrl/Cmd + R: 刷新
if ((e.ctrlKey || e.metaKey) && e.key === 'r') {
e.preventDefault();
this.refreshData();
}
// Ctrl/Cmd + K: 聚焦搜索
if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
e.preventDefault();
const searchInput = document.getElementById('searchInput');
if (searchInput) searchInput.focus();
}
// Escape: 关闭详情弹窗
if (e.key === 'Escape') {
this.closeModal();
}
});
}
/**
* 设置响应式UI
*/
setupResponsiveUI() {
// 监听窗口大小变化
let resizeTimeout;
window.addEventListener('resize', () => {
clearTimeout(resizeTimeout);
resizeTimeout = setTimeout(() => {
this.adjustUILayout();
}, 250);
});
}
/**
* 调整UI布局
*/
adjustUILayout() {
const width = window.innerWidth;
const container = document.getElementById('mainContent');
if (!container) return;
if (width < 768) {
container.classList.add('mobile-layout');
container.classList.remove('desktop-layout');
} else {
container.classList.add('desktop-layout');
container.classList.remove('mobile-layout');
}
}
/**
* 从URL加载配置
*/
loadFromURL() {
const url = new URL(window.location);
const table = url.searchParams.get('table');
const template = url.searchParams.get('template') || 'list';
const page = parseInt(url.searchParams.get('page')) || 1;
const search = url.searchParams.get('search') || '';
if (table) {
this.currentTable = table;
this.currentTemplate = template;
this.loadTableData(table, { page, search, template });
}
}
/**
* 切换数据表
* @param {string} tableName - 表名
*/
async changeTable(tableName) {
if (this.isLoading) return;
this.currentTable = tableName;
this.currentTemplate = 'list'; // 重置为默认模板
try {
// 并行获取可用模板和预加载模板
const [templates] = await Promise.all([
apiClient.getAvailableTemplates(tableName),
templateEngine.preloadTemplates(tableName, ['list', 'card'])
]);
this.availableTemplates = templates.templates;
this.renderTemplateSelector();
// 加载数据
await this.loadTableData(tableName);
// 更新URL
this.updateURL();
} catch (error) {
console.error('Failed to change table:', error);
this.showError('切换数据表失败:' + error.message);
}
}
/**
* 切换模板
* @param {string} templateName - 模板名称
*/
async switchTemplate(templateName) {
if (this.isLoading || !this.currentTable) return;
this.currentTemplate = templateName;
try {
await templateEngine.switchTemplate(templateName);
this.updateURL();
this.updateTemplateSelector(templateName);
} catch (error) {
console.error('Failed to switch template:', error);
this.showError('切换模板失败:' + error.message);
}
}
/**
* 加载数据表数据
* @param {string} tableName - 表名
* @param {Object} options - 选项
*/
async loadTableData(tableName, options = {}) {
const {
page = 1,
perPage = 20,
search = '',
sort = '',
order = 'desc',
template = this.currentTemplate
} = options;
this.showLoading();
try {
const rendered = await templateEngine.renderTable(tableName, {
page,
perPage,
search,
sort,
order,
template
});
this.updateContent(rendered);
this.renderPagination({ page, perPage, total: templateEngine.currentData?.total || 0 });
} catch (error) {
console.error('Failed to load table data:', error);
this.showError('加载数据失败:' + error.message);
} finally {
this.hideLoading();
}
}
/**
* 渲染模板选择器
*/
renderTemplateSelector() {
const container = document.getElementById('templateSelector');
if (!container) return;
container.innerHTML = `
<div class="flex items-center space-x-2">
<span class="text-sm text-gray-600">视图:</span>
${this.availableTemplates.map(template => `
<button
class="template-switch px-3 py-1 text-sm rounded ${
template === this.currentTemplate
? 'bg-blue-500 text-white'
: 'bg-gray-200 text-gray-700 hover:bg-gray-300'
}"
data-template="${template}"
>
${this.getTemplateDisplayName(template)}
</button>
`).join('')}
</div>
`;
}
/**
* 更新模板选择器状态
* @param {string} activeTemplate - 当前激活的模板
*/
updateTemplateSelector(activeTemplate) {
const buttons = document.querySelectorAll('.template-switch');
buttons.forEach(btn => {
if (btn.dataset.template === activeTemplate) {
btn.className = 'template-switch px-3 py-1 text-sm rounded bg-blue-500 text-white';
} else {
btn.className = 'template-switch px-3 py-1 text-sm rounded bg-gray-200 text-gray-700 hover:bg-gray-300';
}
});
}
/**
* 获取模板显示名称
* @param {string} template - 模板名称
*/
getTemplateDisplayName(template) {
const names = {
'list': '列表',
'card': '卡片',
'timeline': '时间轴'
};
return names[template] || template;
}
/**
* 渲染分页
* @param {Object} pagination - 分页信息
*/
renderPagination({ page, perPage, total }) {
const container = document.getElementById('pagination');
if (!container) return;
const pages = Math.ceil(total / perPage);
const startPage = Math.max(1, page - 2);
const endPage = Math.min(pages, page + 2);
let html = `
<div class="flex justify-between items-center">
<div class="text-sm text-gray-700">
${total} 条记录,第 ${page} / ${pages}
</div>
<div class="flex space-x-2">
`;
if (page > 1) {
html += `
<button class="pagination-link px-3 py-1 text-sm border rounded hover:bg-gray-50" data-page="${page - 1}">
上一页
</button>
`;
}
for (let i = startPage; i <= endPage; i++) {
html += `
<button class="pagination-link px-3 py-1 text-sm border rounded ${
i === page ? 'bg-blue-500 text-white' : 'hover:bg-gray-50'
}" data-page="${i}">
${i}
</button>
`;
}
if (page < pages) {
html += `
<button class="pagination-link px-3 py-1 text-sm border rounded hover:bg-gray-50" data-page="${page + 1}">
下一页
</button>
`;
}
html += `
</div>
</div>
`;
container.innerHTML = html;
}
/**
* 处理搜索
* @param {string} query - 搜索关键词
*/
handleSearch(query) {
clearTimeout(this.searchTimeout);
this.searchTimeout = setTimeout(() => {
if (this.currentTable) {
this.loadTableData(this.currentTable, { search: query, page: 1 });
this.updateURL();
}
}, 300);
}
/**
* 跳转到指定页面
* @param {number} page - 页码
*/
goToPage(page) {
if (this.currentTable) {
this.loadTableData(this.currentTable, { page });
this.updateURL();
}
}
/**
* 切换排序
* @param {string} field - 排序字段
*/
toggleSort(field) {
const url = new URL(window.location);
const currentSort = url.searchParams.get('sort');
const currentOrder = url.searchParams.get('order') || 'asc';
let newOrder = 'asc';
if (currentSort === field && currentOrder === 'asc') {
newOrder = 'desc';
}
if (this.currentTable) {
this.loadTableData(this.currentTable, {
sort: field,
order: newOrder,
page: 1
});
this.updateURL();
}
}
/**
* 刷新数据
*/
async refreshData() {
if (this.currentTable) {
templateEngine.clearCache();
await this.loadTableData(this.currentTable);
}
}
/**
* 更新URL参数
*/
updateURL() {
const url = new URL(window.location);
url.searchParams.set('table', this.currentTable);
url.searchParams.set('template', this.currentTemplate);
const currentOptions = this.getCurrentOptions();
if (currentOptions.page > 1) {
url.searchParams.set('page', currentOptions.page);
} else {
url.searchParams.delete('page');
}
if (currentOptions.search) {
url.searchParams.set('search', currentOptions.search);
} else {
url.searchParams.delete('search');
}
window.history.pushState({}, '', url);
}
/**
* 显示加载状态
*/
showLoading() {
this.isLoading = true;
const container = document.getElementById('mainContent');
if (container) {
container.innerHTML = `
<div class="flex justify-center items-center h-64">
<div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
<span class="ml-3 text-gray-600">加载中...</span>
</div>
`;
}
}
/**
* 隐藏加载状态
*/
hideLoading() {
this.isLoading = false;
}
/**
* 更新内容
* @param {string} content - 内容HTML
*/
updateContent(content) {
const container = document.getElementById('mainContent');
if (container) {
container.innerHTML = content;
}
}
/**
* 显示错误消息
* @param {string} message - 错误消息
*/
showError(message) {
const container = document.getElementById('mainContent');
if (container) {
container.innerHTML = `
<div class="bg-red-50 border border-red-200 rounded-lg p-4">
<div class="flex">
<div class="text-red-600">
<svg class="h-5 w-5" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd" />
</svg>
</div>
<div class="ml-3">
<h3 class="text-sm font-medium text-red-800">错误</h3>
<div class="mt-2 text-sm text-red-700">
<p>${message}</p>
</div>
</div>
</div>
</div>
`;
}
}
/**
* 关闭模态框
*/
closeModal() {
const modal = document.getElementById('detailModal');
if (modal) {
modal.classList.add('hidden');
}
}
}
// 全局UI控制器实例
window.uiController = new UIController();

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{.TableAlias}} - 数据管理</title>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-gray-50">
<div class="container mx-auto px-4 py-8">
<h1 class="text-3xl font-bold mb-6">{{.TableAlias}}</h1>
{{if gt (len .Data) 0}}
<div class="bg-white rounded-lg shadow overflow-hidden">
<table class="min-w-full divide-y divide-gray-200">
<thead class="bg-gray-50">
<tr>
{{range .Columns}}
{{if .ShowInList}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase">
{{.Alias}}
</th>
{{end}}
{{end}}
</tr>
</thead>
<tbody class="bg-white divide-y divide-gray-200">
{{range $row := .Data}}
<tr class="hover:bg-gray-50">
{{range $col := $.Columns}}
{{if $col.ShowInList}}
<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{{index $row $col.Name}}
</td>
{{end}}
{{end}}
</tr>
{{end}}
</tbody>
</table>
</div>
{{else}}
<div class="text-center py-8">
<p class="text-gray-500">暂无数据</p>
</div>
{{end}}
<div class="mt-4 text-sm text-gray-600">
总计: {{.Total}} 条记录
</div>
</div>
</body>
</html>

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{{define "content"}}
<h1>Debug Information</h1>
<pre>Table: {{.Table}}
TableAlias: {{.TableAlias}}
Total: {{.Total}}
Page: {{.Page}}
Pages: {{.Pages}}
Columns: {{json .Columns}}
Data Type: {{printf "%T" .Data}}
Data Length: {{len .Data}}
First Row: {{json (index .Data 0)}}
</pre>
<div>
<h2>Columns</h2>
<ul>
{{range .Columns}}
<li>{{.Name}} ({{.Alias}}) - Show: {{.ShowInList}}</li>
{{end}}
</ul>
</div>
<div>
<h2>Data</h2>
{{range $i, $row := .Data}}
<div>Row {{$i}}: {{json $row}}</div>
{{end}}
</div>
{{end}}

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{{define "field-category"}}
<span class="text-gray-900">{{.Value}}</span>
{{end}}

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{{define "field-markdown"}}
{{if .Value}}
<div class="prose prose-sm max-w-none">
{{.Value}}
</div>
{{else}}
<span class="text-gray-400">-</span>
{{end}}
{{end}}

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{{define "field-raw"}}
<span class="text-gray-900">{{.Value}}</span>
{{end}}

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{{define "field-tag"}}
{{if .Value}}
{{$tag := index .Column.values .Value}}
{{if $tag}}
<span class="px-2 py-1 text-xs font-medium rounded-full" style="background-color: {{$tag.color}}; color: white;">
{{$tag.label}}
</span>
{{else}}
<span class="text-gray-900">{{.Value}}</span>
{{end}}
{{else}}
<span class="text-gray-400">-</span>
{{end}}
{{end}}

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{{define "field-text"}}
<span class="text-gray-900">{{.Value}}</span>
{{end}}
{{define "field"}}
{{if eq .Type "time"}}
{{template "field-time" .}}
{{else if eq .Type "tag"}}
{{template "field-tag" .}}
{{else if eq .Type "markdown"}}
{{template "field-markdown" .}}
{{else if eq .Type "raw"}}
{{template "field-raw" .}}
{{else}}
{{template "field-text" .}}
{{end}}
{{end}}

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{{define "field-time"}}
<span class="text-gray-900">
{{if .Value}}
{{.Value}}
{{else}}
-
{{end}}
</span>
{{end}}

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{{define "layout"}}
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{.Title}} - 数据管理</title>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
<style>
.tag {
@apply inline-block px-2 py-1 text-xs font-medium rounded-full;
}
.modal {
@apply fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden;
}
.modal-content {
@apply bg-white rounded-lg max-w-4xl w-full mx-4 max-h-[80vh] overflow-y-auto;
}
.loading {
@apply animate-pulse bg-gray-200 rounded;
}
</style>
</head>
<body class="bg-gray-50">
<div class="container mx-auto px-4 py-8">
<!-- 表选择器 -->
<div class="mb-6">
<select id="tableSelector" class="border rounded px-3 py-2" onchange="changeTable(this.value)">
<option value="">选择数据表...</option>
{{range .Tables}}
<option value="{{.Alias}}" {{if eq .Alias $.CurrentTable}}selected{{end}}>
{{.Alias}}
</option>
{{end}}
</select>
</div>
<!-- 主要内容区域 -->
<div id="mainContent">
{{template "content" .}}
</div>
</div>
<!-- 详情弹窗 -->
<div id="detailModal" class="modal">
<div class="modal-content">
<div class="p-6">
<h3 class="text-lg font-medium mb-4">详情信息</h3>
<div id="detailContent"></div>
<div class="mt-4 flex justify-end">
<button onclick="closeModal()" class="px-4 py-2 bg-gray-300 rounded">
关闭
</button>
</div>
</div>
</div>
</div>
<!-- 通用JavaScript -->
<script>
// 全局配置
const CONFIG = {
apiBase: '/api',
templates: {
builtin: '/templates/builtin',
custom: '/templates/custom'
}
};
// 模板系统核心
class TemplateSystem {
static async loadTemplate(path) {
const response = await fetch(path);
return response.text();
}
static async render(data, templateName, tableName) {
// 优先使用自定义模板,回退到默认模板
const customPath = `${CONFIG.templates.custom}/${tableName}/${templateName}.html`;
const defaultPath = `${CONFIG.templates.builtin}/${templateName}.html`;
try {
return await this.loadTemplate(customPath);
} catch {
return await this.loadTemplate(defaultPath);
}
}
static async renderField(value, type, column) {
const fieldMap = {
'raw': v => v,
'time': v => new Date(v).toLocaleString('zh-CN'),
'tag': (v, col) => {
const tag = col.values[v];
return tag ? `<span class="tag" style="background-color: ${tag.color}; color: white;">${tag.label}</span>` : v;
},
'markdown': v => marked.parse(v || ''),
'category': v => v
};
return fieldMap[type]?.(value, column) || value;
}
}
// 数据加载器
class DataLoader {
static async loadTableData(tableAlias, page = 1, perPage = 20, search = '', sort = '', order = 'desc') {
const params = new URLSearchParams({
page,
per_page: perPage,
search,
sort,
order
});
const response = await fetch(`${CONFIG.apiBase}/data/${tableAlias}?${params}`);
return response.json();
}
static async loadTableDetail(tableAlias, id) {
const response = await fetch(`${CONFIG.apiBase}/data/${tableAlias}/detail/${id}`);
return response.json();
}
}
// 通用函数
function changeTable(tableAlias) {
if (!tableAlias) return;
window.location.href = `/?table=${tableAlias}&page=1`;
}
function closeModal() {
document.getElementById('detailModal').classList.add('hidden');
}
function showLoading() {
document.getElementById('mainContent').innerHTML =
'<div class="text-center py-8"><div class="loading h-4 w-32 mx-auto"></div></div>';
}
// 初始化
document.addEventListener('DOMContentLoaded', function() {
// 绑定全局事件
window.closeModal = closeModal;
window.changeTable = changeTable;
window.TemplateSystem = TemplateSystem;
window.DataLoader = DataLoader;
});
</script>
<!-- 页面特定内容占位符 -->
{{template "scripts" .}}
<!-- 性能监控JS -->
<script src="/static/js/performance-monitor.js"></script>
<script src="/static/js/api-client.js"></script>
<script src="/static/js/template-engine.js"></script>
<script src="/static/js/ui-controller.js"></script>
</body>
</html>
{{end}}

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{{define "content"}}
<div class="bg-white rounded-lg shadow overflow-hidden">
{{if .Data}}
{{if eq .TemplateType "table"}}
{{template "table-view" .}}
{{else if eq .TemplateType "card"}}
{{template "card-view" .}}
{{else}}
{{template "table-view" .}}
{{end}}
{{else}}
<div class="text-center py-8 text-gray-500">
暂无数据
</div>
{{end}}
</div>
<!-- 分页 -->
<div class="mt-4 flex justify-between items-center">
<div class="text-sm text-gray-700">
共 {{.Total}} 条记录,第 {{.Page}} / {{.Pages}} 页
</div>
<div class="flex space-x-2">
{{if gt .Page 1}}
<a href="?table={{.Table}}&page={{sub .Page 1}}&per_page={{.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
上一页
</a>
{{end}}
{{range until .Pages}}
{{$page := add . 1}}
{{if eq $page $.Page}}
<span class="px-3 py-1 bg-blue-500 text-white rounded text-sm">{{$page}}</span>
{{else}}
<a href="?table={{$.Table}}&page={{$page}}&per_page={{$.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
{{$page}}
</a>
{{end}}
{{end}}
{{if lt .Page .Pages}}
<a href="?table={{$.Table}}&page={{add $.Page 1}}&per_page={{$.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
下一页
</a>
{{end}}
</div>
</div>
{{end}}
{{define "table-view"}}
<table class="min-w-full divide-y divide-gray-200">
<thead class="bg-gray-50">
<tr>
{{range .Columns}}
{{if .ShowInList}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
{{.Alias}}
{{if .Sortable}}
<button onclick="sortBy('{{.Name}}')" class="ml-1 text-gray-400 hover:text-gray-600">
</button>
{{end}}
</th>
{{end}}
{{end}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
操作
</th>
</tr>
</thead>
<tbody class="bg-white divide-y divide-gray-200">
{{range $row := .Data}}
<tr class="hover:bg-gray-50">
{{range $col := $.Columns}}
{{if $col.ShowInList}}
<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{{template "field" dict "Value" (index $row $col.Name) "Type" $col.RenderType "Column" $col}}
</td>
{{end}}
{{end}}
<td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
<button onclick="showDetail('{{index $row "id"}}')"
class="text-blue-600 hover:text-blue-900">
查看详情
</button>
</td>
</tr>
{{end}}
</tbody>
</table>
{{end}}
{{define "card-view"}}
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4 p-4">
{{range $row := .Data}}
<div class="bg-white border rounded-lg p-4 hover:shadow-md transition-shadow">
{{range $col := $.Columns}}
{{if $col.ShowInList}}
<div class="mb-2">
<label class="block text-sm font-medium text-gray-700">{{$col.Alias}}</label>
<div class="mt-1 text-sm text-gray-900">
{{template "field" dict "Value" (index $row $col.Name) "Type" $col.RenderType "Column" $col}}
</div>
</div>
{{end}}
{{end}}
<div class="mt-4">
<button onclick="showDetail('{{index $row "id"}}')"
class="text-blue-600 hover:text-blue-900 text-sm">
查看详情
</button>
</div>
</div>
{{end}}
</div>
{{end}}
{{define "scripts"}}
<!-- 列表页面特定脚本 -->
<script>
// 列表页面特定功能可以在这里添加
console.log('List template loaded for:', '{{.Table}}');
</script>
{{end}}

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{{define "content"}}
<div class="p-4">
<h1 class="text-2xl font-bold mb-4">{{.TableAlias}} - 简易视图</h1>
<div class="bg-white rounded-lg shadow overflow-hidden">
<table class="min-w-full divide-y divide-gray-200">
<thead class="bg-gray-50">
<tr>
{{range .Columns}}
{{if .ShowInList}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
{{.Alias}}
</th>
{{end}}
{{end}}
</tr>
</thead>
<tbody class="bg-white divide-y divide-gray-200">
{{range $row := .Data}}
<tr class="hover:bg-gray-50">
{{range $col := $.Columns}}
{{if $col.ShowInList}}
<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{{index $row $col.Name}}
</td>
{{end}}
{{end}}
</tr>
{{end}}
</tbody>
</table>
</div>
</div>
{{end}}

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{{define "content"}}
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4 p-4">
{{range .Data}}
<div class="bg-white border rounded-lg p-4 hover:shadow-md transition-shadow">
{{range $.Columns}}
{{if .ShowInList}}
<div class="mb-2">
<label class="block text-sm font-medium text-gray-700">{{.Alias}}</label>
<div class="mt-1 text-sm text-gray-900">
{{template "field" dict "Value" (index $.Data .Name) "Type" .RenderType "Column" .}}
</div>
</div>
{{end}}
{{end}}
<div class="mt-4">
<button onclick="showDetail('{{.id}}')"
class="text-blue-600 hover:text-blue-900 text-sm">
查看详情
</button>
</div>
</div>
{{end}}
</div>
<!-- 分页 -->
<div class="mt-4 flex justify-between items-center">
<div class="text-sm text-gray-700">
共 {{.Total}} 条记录,第 {{.Page}} / {{.Pages}} 页
</div>
<div class="flex space-x-2">
{{if gt .Page 1}}
<a href="?table={{.CurrentTable}}&page={{sub .Page 1}}&per_page={{.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
上一页
</a>
{{end}}
{{if lt .Page .Pages}}
<a href="?table={{.CurrentTable}}&page={{add .Page 1}}&per_page={{.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
下一页
</a>
{{end}}
</div>
</div>
{{end}}

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{{define "content"}}
<div class="bg-white rounded-lg shadow overflow-hidden">
{{if .Data}}
<table class="min-w-full divide-y divide-gray-200">
<thead class="bg-gray-50">
<tr>
{{range .Columns}}
{{if .ShowInList}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
{{.Alias}}
</th>
{{end}}
{{end}}
<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
操作
</th>
</tr>
</thead>
<tbody class="bg-white divide-y divide-gray-200">
{{range .Data}}
<tr class="hover:bg-gray-50">
{{range $.Columns}}
{{if .ShowInList}}
<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{{template "field" dict "Value" (index $.Data .Name) "Type" .RenderType "Column" .}}
</td>
{{end}}
{{end}}
<td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
<button onclick="showDetail('{{.id}}')"
class="text-blue-600 hover:text-blue-900">
查看详情
</button>
</td>
</tr>
{{end}}
</tbody>
</table>
{{else}}
<div class="text-center py-8 text-gray-500">
暂无数据
</div>
{{end}}
</div>
<!-- 分页 -->
<div class="mt-4 flex justify-between items-center">
<div class="text-sm text-gray-700">
共 {{.Total}} 条记录,第 {{.Page}} / {{.Pages}} 页
</div>
<div class="flex space-x-2">
{{if gt .Page 1}}
<a href="?table={{.CurrentTable}}&page={{sub .Page 1}}&per_page={{.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
上一页
</a>
{{end}}
{{if lt .Page .Pages}}
<a href="?table={{.CurrentTable}}&page={{add .Page 1}}&per_page={{.PerPage}}"
class="px-3 py-1 border rounded text-sm hover:bg-gray-50">
下一页
</a>
{{end}}
</div>
</div>
{{end}}