go_echo/main.go

package main

import (
	"net/http"
	"time"

	"github.com/idoubi/goz"
	"github.com/labstack/echo/v4"
	"github.com/labstack/echo/v4/middleware"
)

type server struct {
	// 通过json标签指定json字段名
	Url string `json:"url"`
}

type result struct {
	// 通过json标签指定json字段名
	Sataus int `json:"sataus"`
	Code   int `json:"code"`
	Time   int `json:"time"`
}

func main() {
	e := echo.New()
	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{AllowOrigins: []string{"*"}, AllowMethods: []string{echo.GET, echo.HEAD, echo.PUT, echo.PATCH, echo.POST, echo.DELETE}}))
	e.GET("/", func(c echo.Context) error {
		return c.String(http.StatusOK, "Hello, World!")
	})

	e.POST("/textserver", textserver)
	e.Logger.Fatal(e.Start(":1323"))
}

func textserver(c echo.Context) error {

	// 初始化接收json参数的对象
	u := new(server)
	// 通过Bind将json参数绑定到struct对象
	if err := c.Bind(u); err != nil {
		return err
	}
	// 通过结构体对象就可以访问json参数
	json := new(result)
	json.Code = http.StatusOK
	start := time.Now().UnixMilli()
	json.Sataus = text_url(u.Url)
	elapsed := time.Now().UnixMilli() - start
	json.Time = int(elapsed)
	return c.JSON(http.StatusOK, json)
}
func text_url(url string) int {
	cli := goz.NewClient(goz.Options{
		Timeout: 2,
	})

	resp, err := cli.Get(url)
	if err != nil {
		if resp.IsTimeout() {
			return -1
		}
	}
	return resp.GetStatusCode()
}
func setAccessOriginUrl(c echo.Context) {
	c.Response().Header().Set("Access-Control-Allow-Origin", "*")
}