Files
v-hono/example.v
T
2025-07-07 11:27:17 +08:00

169 lines
4.8 KiB
V

module main
import net.http
import hono
fn main() {
mut app := hono.new_hono()
// 基本路由
app.get('/hello', fn (mut c hono.Context) http.Response {
return c.text('Hello, World!')
})
// 根路径
app.get('/', fn (mut c hono.Context) http.Response {
return c.html('<h1>Welcome to V-Hono!</h1><p>A lightweight web framework for V</p>')
})
// 健康检查
app.get('/api/health', fn (mut c hono.Context) http.Response {
c.status(200)
return c.json('{"status": "ok", "message": "Health check passed"}')
})
// 动态路由 - 单参数
app.get('/users/:id', fn (mut c hono.Context) http.Response {
user_id := c.params['id']
return c.json('{"user_id": "${user_id}", "name": "John Doe"}')
})
// 动态路由 - 多参数
app.get('/posts/:id/comments/:comment_id', fn (mut c hono.Context) http.Response {
post_id := c.params['id']
comment_id := c.params['comment_id']
return c.json('{"post_id": "${post_id}", "comment_id": "${comment_id}", "content": "Great post!"}')
})
// 动态路由 - 嵌套参数
app.get('/api/users/:user_id/posts/:post_id', fn (mut c hono.Context) http.Response {
user_id := c.params['user_id']
post_id := c.params['post_id']
return c.json('{"user_id": "${user_id}", "post_id": "${post_id}", "title": "Sample Post"}')
})
// POST 请求
app.post('/api/users', fn (mut c hono.Context) http.Response {
println('=== POST 请求信息 ===')
println('请求体: ${c.body}')
println('查询参数: ${c.query}')
c.status(201)
return c.json('{"message": "User created", "data": "${c.body}"}')
})
// 带参数的 POST 请求
app.post('/api/users/:id', fn (mut c hono.Context) http.Response {
user_id := c.params['id']
println('=== 带参数的 POST 请求信息 ===')
println('用户ID: ${user_id}')
println('请求体: ${c.body}')
println('查询参数: ${c.query}')
c.status(200)
return c.json('{"message": "User updated", "user_id": "${user_id}", "data": "${c.body}"}')
})
// 复杂的 POST 请求
app.post('/api/test/:action/:id', fn (mut c hono.Context) http.Response {
action := c.params['action']
id := c.params['id']
println('=== 复杂 POST 请求信息 ===')
println('动作: ${action}')
println('ID: ${id}')
println('查询参数: ${c.query}')
println('请求体: ${c.body}')
// 构建响应JSON
mut response := '{'
response += '"message": "复杂测试",'
response += '"params": {'
response += '"action": "${action}",'
response += '"id": "${id}"'
response += '},'
response += '"query": {'
// 添加查询参数
mut query_count := 0
for key, value in c.query {
if query_count > 0 {
response += ','
}
response += '"${key}": "${value}"'
query_count++
}
response += '},'
response += '"body": "${c.body}"'
response += '}'
c.status(200)
return c.json(response)
})
// PUT 请求示例
app.put('/api/users/:id', fn (mut c hono.Context) http.Response {
user_id := c.params['id']
c.status(200)
return c.json('{"message": "User replaced", "user_id": "${user_id}", "data": "${c.body}"}')
})
// DELETE 请求示例
app.delete('/api/users/:id', fn (mut c hono.Context) http.Response {
user_id := c.params['id']
c.status(204)
return c.text('')
})
// PATCH 请求示例
app.patch('/api/users/:id', fn (mut c hono.Context) http.Response {
user_id := c.params['id']
c.status(200)
return c.json('{"message": "User partially updated", "user_id": "${user_id}", "data": "${c.body}"}')
})
// 中间件示例
app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
println('[LOG] ${c.url}')
return next(mut c)
})
// 认证中间件示例
app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
token := c.query['token']
if token == '' {
c.status(401)
return c.json('{"error": "Unauthorized", "message": "Token required"}')
}
return next(mut c)
})
println('Hono Server starting on :8080')
println('=== 测试端点 ===')
println('静态路由:')
println(' - GET /')
println(' - GET /hello')
println(' - GET /api/health')
println('动态路由:')
println(' - GET /users/123')
println(' - GET /posts/456/comments/789')
println(' - GET /api/users/101/posts/202')
println('POST 请求:')
println(' - POST /api/users')
println(' - POST /api/users/123')
println(' - POST /api/test/create/456')
println('其他方法:')
println(' - PUT /api/users/123')
println(' - DELETE /api/users/123')
println(' - PATCH /api/users/123')
println('')
println('测试命令示例:')
println(' curl http://localhost:8080/users/123')
println(' curl http://localhost:8080/posts/456/comments/789')
println(' curl -X POST http://localhost:8080/api/users -d "{\\"name\\":\\"John\\"}"')
println(' curl -X POST "http://localhost:8080/api/test/create/456?token=abc123" -d "{\\"name\\":\\"Test\\"}"')
app.listen(':8080')
}