golang gin框架搭建restapi

初学golang，尝试用gin框架搭建restapi

一）源码准备
创建go.mod文件，相当于nodejs中的package.json
go mod init examples/web-service-gin

新建文件main.go，加入以下代码

package main

import (
	"net/http"

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

// album represents data about a record album.
type album struct {
	ID     string  `json:"id"`
	Title  string  `json:"title"`
	Artist string  `json:"artist"`
	Price  float64 `json:"price"`
}

// albums slice to seed record album data.
var albums = []album{
	{ID: "1", Title: "Blue Train", Artist: "John Coltrane", Price: 56.99},
	{ID: "2", Title: "Jeru", Artist: "Gerry Mulligan", Price: 17.99},
	{ID: "3", Title: "Sarah Vaughan and Clifford Brown", Artist: "Sarah Vaughan", Price: 39.99},
}

// getAlbums responds with the list of all albums as JSON.
func getAlbums(c *gin.Context) {
	c.IndentedJSON(http.StatusOK, albums)
}

func main() {
	router := gin.Default()
	router.GET("/albums", getAlbums)

	router.Run("localhost:8080")
}

二）安装依赖
go get .

安装完成后，可以在C:\Users[用户名]\go\pkg\mod 下看到相关依赖包

三）运行项目
go run .
运行启动后在浏览器中访问
http://localhost:8080/albums

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