package main

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

type User struct {
    ID string `uri:"id" binding:"required,uuid"`
}

func main() {
    r := gin.Default()
    // http://localhost:8080/user/1234
    r.GET("user/:id", func(c *gin.Context) {
        var user User
        if err := c.ShouldBindUri(&user); err != nil {
            c.JSON(200, gin.H{
                "Code": 200,
                "Msg":  err.Error(),
            })
            return
        }
        c.JSON(200, gin.H{
            "Code": 0,
            "ID":   user.ID,
        })
    })
    r.Run()
}