[go practical basis] how to bind and use URL parameters in gin

Catalog

One 、 brief introduction

Two 、 Knowledge point

3、 ... and 、 Rookie actual combat  

1、 establish go file

2、 Running results

---

One 、 brief introduction

This article is used to introduce gin How to bind and use url Parameters

Two 、 Knowledge point

• gin route
• Parameter binding and mapping
• obtain url Parameters
• According to the parameters , Return the obtained parameter data
• Universal binding

3、 ... and 、 Rookie actual combat  

Actual combat scene ： use gin How to bind and use url Parameters

Make arrangements now ！

1、 establish go file

package main

//  Import package 
import (
	"fmt"
	"runtime"

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

//  The main function 
func main() {
	//  Print using built-in functions 
	println("Hello", " Rookie actual combat ")
	println(" Actual combat scene : ", "gin  How to bind and use  url  Parameters ")

	//  initialization 
	r := gin.Default()

	//  Add routing parameters and callbacks 
	r.GET("/:name/:id", func(c *gin.Context) {
		//  Back to  code  and   Corresponding structure information 
		c.JSON(200, gin.H{
			"name": c.Param("name"),
			"id":   c.Param("id"),
		})
	})

	//  Universal binding 
	r.GET("/user/*action", func(c *gin.Context) {
		//  Back to  code  and   Corresponding structure information 
		c.String(200, " Hit the universal binding routing rule  \n")
	})

	//  Use package functions to print 
	fmt.Printf(" edition : %s \n", runtime.Version())

	//  Start the framework program ,  Default  8080  port 
	r.Run()

}

// curl  Verification mode 
// curl -X GET "http://127.0.0.1:8080/tom/5"
// curl -X GET "http://127.0.0.1:8080/user/addaction"
// curl -X GET "http://127.0.0.1:8080/user/updateaction"

2、 Running results

Hello Rookie actual combat

Actual combat scene : gin How to bind and use url Parameters

[GIN-debug] Listening and serving HTTP on :8080

 // Add routing parameters and callbacks

// Universal binding

 

   Rookie actual combat , Continuous learning !