package main

import (
	"net/http"
	"path/filepath"

	"github.com/gin-gonic/gin"
)

func main() {
	router := gin.Default()
	// Set a lower memory limit for multipart forms (default is 32 MiB)
	router.MaxMultipartMemory = 8 << 20 // 8 MiB
	router.Static("/", "./public")
	router.POST("/upload", func(c *gin.Context) {
		name := c.PostForm("name")
		email := c.PostForm("email")

		// Source
		file, err := c.FormFile("file")
		if err != nil {
			c.String(http.StatusBadRequest, "get form err: %s", err.Error())
			return
		}

		// 上传文件保存到 /tmp 目录下
		filename := "/tmp/" + filepath.Base(file.Filename)
		if err := c.SaveUploadedFile(file, filename); err != nil {
			c.String(http.StatusBadRequest, "upload file err: %s", err.Error())
			return
		}

		c.String(http.StatusOK, "File %s uploaded successfully with fields name=%s and email=%s.", file.Filename, name, email)
	})
	router.Run(":8080")
}

/*
curl -X POST http://localhost:8080/upload \
  -F "file=@/Users/appleboy/test.zip" \
  -H "Content-Type: multipart/form-data"
*/

https://go.dev/doc/tutorial/web-service-gin