344 lines
11 KiB
V
344 lines
11 KiB
V
module main
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import net.http
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import hono
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fn main() {
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mut app := hono.Hono.new()
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// 日志中间件
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app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
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println('[LOG] ${c.req.method} ${c.url}')
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return next(mut c)
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})
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// 静态文件服务 - 默认配置（./public 目录）
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app.use(hono.serve_static_default())
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// 静态文件服务 - 指定路径前缀
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app.use(hono.serve_static_path('/assets', './static'))
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// 静态文件服务 - 自定义配置
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options := hono.StaticOptions{
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root: './uploads'
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path: '/files'
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index: 'index.html'
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dotfiles: false
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etag: true
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last_modified: true
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max_age: 3600 // 1小时缓存
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headers: {
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'X-Served-By': 'V-Hono'
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'X-Static-Files': 'true'
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}
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}
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app.use(hono.serve_static(options))
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// 基本路由
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app.get('/hello', fn (mut c hono.Context) http.Response {
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return c.text('Hello, World!')
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})
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// 根路径
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app.get('/', fn (mut c hono.Context) http.Response {
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html_content := '<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>V-Hono 完整示例</title>
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<style>
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body { font-family: Arial, sans-serif; max-width: 1000px; margin: 0 auto; padding: 20px; }
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.section { margin: 20px 0; padding: 15px; border: 1px solid #ddd; border-radius: 5px; }
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.endpoint { background: #f5f5f5; padding: 10px; margin: 5px 0; border-radius: 3px; }
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.feature { color: #2c5aa0; font-weight: bold; }
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.static-section { background: #e8f4fd; border-left: 4px solid #2196F3; }
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.api-section { background: #f3e5f5; border-left: 4px solid #9C27B0; }
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</style>
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</head>
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<body>
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<h1>🚀 V-Hono 完整示例</h1>
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<p>A lightweight web framework for V with static file serving</p>
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<div class="section static-section">
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<h2>📁 静态文件服务</h2>
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<div class="endpoint">
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<strong>默认目录:</strong> <code>/</code> → <code>./public</code>
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</div>
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<div class="endpoint">
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<strong>资源目录:</strong> <code>/assets</code> → <code>./static</code>
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</div>
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<div class="endpoint">
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<strong>文件目录:</strong> <code>/files</code> → <code>./uploads</code>
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</div>
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<p><strong>测试文件:</strong></p>
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<ul>
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<li><a href="/test.txt">/test.txt</a> (来自 ./public/test.txt)</li>
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<li><a href="/assets/style.css">/assets/style.css</a> (来自 ./static/style.css)</li>
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<li><a href="/files/sample.json">/files/sample.json</a> (来自 ./uploads/sample.json)</li>
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</ul>
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</div>
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<div class="section api-section">
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<h2>🔧 API 端点</h2>
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<div class="endpoint">
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<strong>健康检查:</strong> <a href="/api/health">/api/health</a>
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</div>
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<div class="endpoint">
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<strong>静态文件状态:</strong> <a href="/api/status">/api/status</a>
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</div>
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<div class="endpoint">
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<strong>静态文件信息:</strong> <a href="/api/static-info">/api/static-info</a>
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</div>
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<div class="endpoint">
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<strong>基础路由:</strong> <a href="/hello">/hello</a>
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</div>
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</div>
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<div class="section">
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<h2>🎯 动态路由示例</h2>
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<div class="endpoint">
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<strong>单参数:</strong> <a href="/users/123">/users/123</a>
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</div>
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<div class="endpoint">
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<strong>多参数:</strong> <a href="/posts/456/comments/789">/posts/456/comments/789</a>
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</div>
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<div class="endpoint">
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<strong>嵌套参数:</strong> <a href="/api/users/101/posts/202">/api/users/101/posts/202</a>
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</div>
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</div>
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<div class="section">
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<h2>✨ 特性</h2>
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<ul>
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<li class="feature">🚀 高性能路由系统</li>
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<li class="feature">🛡️ 路径遍历攻击防护</li>
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<li class="feature">📁 自动索引文件支持</li>
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<li class="feature">🔒 点文件访问控制</li>
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<li class="feature">🏷️ ETag 和 Last-Modified 支持</li>
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<li class="feature">💾 可配置缓存策略</li>
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<li class="feature">🎯 智能 Content-Type 检测</li>
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<li class="feature">🔧 洋葱模型中间件</li>
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</ul>
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</div>
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<div class="section">
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<h2>🧪 测试命令</h2>
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<pre>
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# 静态文件测试
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curl http://localhost:8080/test.txt
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curl http://localhost:8080/assets/style.css
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curl http://localhost:8080/files/sample.json
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# API 测试
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curl http://localhost:8080/api/health
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curl http://localhost:8080/api/status
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curl http://localhost:8080/hello
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# 动态路由测试
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curl http://localhost:8080/users/123
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curl http://localhost:8080/posts/456/comments/789
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</pre>
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</div>
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</body>
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</html>'
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return c.html(html_content)
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})
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// 健康检查
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app.get('/api/health', fn (mut c hono.Context) http.Response {
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c.status(200)
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return c.json('{"status": "ok", "message": "Health check passed"}')
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})
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// 静态文件服务状态
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app.get('/api/status', fn (mut c hono.Context) http.Response {
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return c.json('{"status": "ok", "static_files": "enabled"}')
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})
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app.get('/api/static-info', fn (mut c hono.Context) http.Response {
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return c.json('{
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"static_directories": [
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{"path": "/", "root": "./public"},
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{"path": "/assets", "root": "./static"},
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{"path": "/files", "root": "./uploads"}
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],
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"features": [
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"Path traversal protection",
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"Auto index files",
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"ETag support",
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"Last-Modified headers",
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"Configurable caching",
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"Custom headers"
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]
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}')
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})
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// 动态路由 - 单参数
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app.get('/users/:id', fn (mut c hono.Context) http.Response {
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user_id := c.params['id']
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return c.json('{"user_id": "${user_id}", "name": "John Doe"}')
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})
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// 动态路由 - 多参数
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app.get('/posts/:id/comments/:comment_id', fn (mut c hono.Context) http.Response {
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post_id := c.params['id']
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comment_id := c.params['comment_id']
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return c.json('{"post_id": "${post_id}", "comment_id": "${comment_id}", "content": "Great post!"}')
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})
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// 动态路由 - 嵌套参数
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app.get('/api/users/:user_id/posts/:post_id', fn (mut c hono.Context) http.Response {
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user_id := c.params['user_id']
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post_id := c.params['post_id']
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return c.json('{"user_id": "${user_id}", "post_id": "${post_id}", "title": "Sample Post"}')
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})
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// POST 请求
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app.post('/api/users', fn (mut c hono.Context) http.Response {
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println('=== POST 请求信息 ===')
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println('请求体: ${c.body}')
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println('查询参数: ${c.query}')
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c.status(201)
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return c.json('{"message": "User created", "data": "${c.body}"}')
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})
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// 带参数的 POST 请求
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app.post('/api/users/:id', fn (mut c hono.Context) http.Response {
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user_id := c.params['id']
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println('=== 带参数的 POST 请求信息 ===')
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println('用户ID: ${user_id}')
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println('请求体: ${c.body}')
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println('查询参数: ${c.query}')
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c.status(200)
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return c.json('{"message": "User updated", "user_id": "${user_id}", "data": "${c.body}"}')
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})
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// 复杂的 POST 请求
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app.post('/api/test/:action/:id', fn (mut c hono.Context) http.Response {
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action := c.params['action']
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id := c.params['id']
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println('=== 复杂 POST 请求信息 ===')
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println('动作: ${action}')
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println('ID: ${id}')
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println('查询参数: ${c.query}')
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println('请求体: ${c.body}')
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// 构建响应JSON
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mut response := '{'
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response += '"message": "复杂测试",'
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response += '"params": {'
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response += '"action": "${action}",'
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response += '"id": "${id}"'
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response += '},'
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response += '"query": {'
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// 添加查询参数
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mut query_count := 0
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for key, value in c.query {
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if query_count > 0 {
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response += ','
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}
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response += '"${key}": "${value}"'
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query_count++
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}
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response += '},'
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response += '"body": "${c.body}"'
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response += '}'
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c.status(200)
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return c.json(response)
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})
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// PUT 请求示例
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app.put('/api/users/:id', fn (mut c hono.Context) http.Response {
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user_id := c.params['id']
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c.status(200)
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return c.json('{"message": "User replaced", "user_id": "${user_id}", "data": "${c.body}"}')
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})
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// DELETE 请求示例
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app.delete('/api/users/:id', fn (mut c hono.Context) http.Response {
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user_id := c.params['id']
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c.status(204)
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return c.text('')
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})
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// PATCH 请求示例
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app.patch('/api/users/:id', fn (mut c hono.Context) http.Response {
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user_id := c.params['id']
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c.status(200)
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return c.json('{"message": "User partially updated", "user_id": "${user_id}", "data": "${c.body}"}')
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})
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// 中间件示例
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app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
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println('[LOG] ${c.url}')
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return next(mut c)
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})
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// 认证中间件示例
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app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
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token := c.query['token']
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if token == '' {
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c.status(401)
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return c.json('{"error": "Unauthorized", "message": "Token required"}')
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}
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return next(mut c)
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})
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println('🚀 V-Hono 完整示例启动中...')
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println('📍 服务器地址: http://localhost:8080')
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println('')
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println('📁 静态文件服务:')
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println(' - 默认: ./public (访问路径: /)')
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println(' - 资源: ./static (访问路径: /assets)')
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println(' - 文件: ./uploads (访问路径: /files)')
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println('')
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println('🔧 API 端点:')
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println(' - GET /api/health')
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println(' - GET /api/status')
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println(' - GET /api/static-info')
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println(' - GET /hello')
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println('')
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println('🎯 动态路由:')
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println(' - GET /users/123')
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println(' - GET /posts/456/comments/789')
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println(' - GET /api/users/101/posts/202')
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println('')
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println('📝 POST 请求:')
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println(' - POST /api/users')
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println(' - POST /api/users/123')
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println(' - POST /api/test/create/456')
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println('')
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println('🔄 其他方法:')
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println(' - PUT /api/users/123')
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println(' - DELETE /api/users/123')
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println(' - PATCH /api/users/123')
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println('')
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println('🧪 测试命令示例:')
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println(' # 静态文件测试')
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println(' curl http://localhost:8080/test.txt')
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println(' curl http://localhost:8080/assets/style.css')
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println(' curl http://localhost:8080/files/sample.json')
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println('')
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println(' # API 测试')
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println(' curl http://localhost:8080/api/health')
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println(' curl http://localhost:8080/api/status')
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println(' curl http://localhost:8080/hello')
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println('')
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println(' # 动态路由测试')
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println(' curl http://localhost:8080/users/123')
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println(' curl http://localhost:8080/posts/456/comments/789')
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println('')
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println(' # POST 测试')
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println(' curl -X POST http://localhost:8080/api/users -d "{\\"name\\":\\"John\\"}"')
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println(' curl -X POST "http://localhost:8080/api/test/create/456?token=abc123" -d "{\\"name\\":\\"Test\\"}"')
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app.listen(':8080')
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}
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