What Echo Does
- Optimized router — radix tree, zero dynamic allocations
- Middleware — Logger, Recover, CORS, JWT, BasicAuth, Rate Limiter, Gzip
- Data binding — JSON, XML, form, query to structs
- Validation — struct tag validation
- Templates — any Go template engine
- Auto TLS — Let"s Encrypt integration
- HTTP/2 — native support
- WebSocket — via gorilla/websocket
- Group routing — shared prefix and middleware
Architecture
Radix tree router with zero allocation path matching. Context carries request/response and is reused via sync.Pool. Middleware chain executes via next(). Implements http.Handler for stdlib compatibility.
Comparison
| Framework | Router | Key Strength |
|---|---|---|
| Echo | Radix tree | Best docs, auto TLS |
| Gin | httprouter | Largest community |
| Fiber | Fasthttp | Fastest raw speed |
| Chi | stdlib | Full stdlib compat |
常见问题 FAQ
Q: Echo vs Gin? A: 功能非常接近。Echo 文档更好、内置 auto TLS;Gin 社区更大、star 更多。两者性能几乎一样。
来源与致谢 Sources
- Docs: https://echo.labstack.com
- GitHub: https://github.com/labstack/echo
- License: MIT