demo_gin.go

package main

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
)

func main() {
	// gin.SetMode(gin.ReleaseMode)
	router := gin.Default()

	// http://localhost:8080/welcome?firstname=Jane&lastname=Doe
	router.GET("/welcome", func(c *gin.Context) {
		firstname := c.DefaultQuery("firstname", "Guest")
		// shortcut for c.Request.URL.Query().Get("lastname")
		lastname := c.Query("lastname")

		c.String(http.StatusOK, "Hello %s %s", firstname, lastname)
	})

	router.POST("/post", func(c *gin.Context) {

		id := c.Query("id")
		page := c.DefaultQuery("page", "0")
		name := c.PostForm("name")
		message := c.PostForm("message")

		fmt.Printf("id: %s; page: %s; name: %s; message: %s", id, page, name, message)
	})

	router.StaticFile("/favicon.ico", "./favicon.ico")
	router.StaticFS("/static", http.Dir("static/"))

	router.LoadHTMLGlob("templates/*")
	//router.LoadHTMLFiles("templates/template1.html", "templates/template2.html")
	router.GET("/index", func(c *gin.Context) {
		c.HTML(http.StatusOK, "index.tmpl", gin.H{
			"title": "Main website",
		})
	})

	router.GET("/", func(c *gin.Context) {
		c.Redirect(http.StatusMovedPermanently, "/index")
	})

	router.Run(":8080")
}