go-echo-samples-CORS 示例

服务端

server.go

package main

import (
	"net/http"

	"github.com/labstack/echo"
	"github.com/labstack/echo/middleware"
)

var (
	users = []string{"Joe", "Veer", "Zion"}
)

func getUsers(c echo.Context) error {
	return c.JSON(http.StatusOK, users)
}

func main() {
	e := echo.New()
	e.Use(middleware.Logger())
	e.Use(middleware.Recover())

	// CORS default
	// Allows requests from any origin wth GET, HEAD, PUT, POST or DELETE method.
	// e.Use(middleware.CORS())

	// CORS restricted
	// Allows requests from any `https://labstack.com` or `https://labstack.net` origin
	// wth GET, PUT, POST or DELETE method.
	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
		AllowOrigins: []string{"https://labstack.com", "https://labstack.net"},
		AllowMethods: []string{echo.GET, echo.PUT, echo.POST, echo.DELETE},
	}))

	e.GET("/api/users", getUsers)

	e.Logger.Fatal(e.Start(":1323"))
}

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