快速的HTTP router+微型 Web 框架：Echo
dwd4
10年前
Echo 是一个用 Go 语言开发的快速 HTTP 路由器（零内存分配）和微型 Web 框架。
特性：
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Zippy router.
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Extensible middleware/handler, supports:
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func(*echo.Context)
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http.Handler
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http.HandlerFunc
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func(http.ResponseWriter, *http.Request)
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func(*echo.Context)
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func(echo.HandlerFunc) echo.HandlerFunc
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func(http.Handler) http.Handler
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http.Handler
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http.HandlerFunc
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func(http.ResponseWriter, *http.Request)
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Middleware
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Handler
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Handy encoding/decoding functions.
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支持静态文件处理
示例代码：
package main import ( "net/http" "github.com/labstack/echo" mw "github.com/labstack/echo/middleware" "github.com/rs/cors" "github.com/thoas/stats" ) type user struct { ID string `json:"id"` Name string `json:"name"` } var users map[string]user func init() { users = map[string]user{ "1": user{ ID: "1", Name: "Wreck-It Ralph", }, } } func createUser(c *echo.Context) { u := new(user) if c.Bind(u) { users[u.ID] = *u c.JSON(http.StatusCreated, u) } } func getUsers(c *echo.Context) { c.JSON(http.StatusOK, users) } func getUser(c *echo.Context) { c.JSON(http.StatusOK, users[c.P(0)]) } func main() { e := echo.New() //*************************// // Built-in middleware // //*************************// e.Use(mw.Logger) //****************************// // Third-party middleware // //****************************// // https://github.com/rs/cors e.Use(cors.Default().Handler) // https://github.com/thoas/stats s := stats.New() e.Use(s.Handler) // Route e.Get("/stats", func(c *echo.Context) { c.JSON(200, s.Data()) }) // Serve index file e.Index("public/index.html") // Serve static files e.Static("/js", "public/js") //************// // Routes // //************// e.Post("/users", createUser) e.Get("/users", getUsers) e.Get("/users/:id", getUser) // Start server e.Run(":8080") }