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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}, } func main() { router := gin.Default() router.GET("/albums", getAlbums) router.GET("/albums/:id", getAlbumByID) router.POST("/albums", postAlbums) router.Run("localhost:8080") } // getAlbums responds with the list of all albums as JSON. func getAlbums(c *gin.Context) { c.IndentedJSON(http.StatusOK, albums) } // postAlbums adds an album from JSON received in the request body. func postAlbums(c *gin.Context) { var newAlbum album // Call BindJSON to bind the received JSON to // newAlbum. if err := c.BindJSON(&newAlbum); err != nil { return } // Add the new album to the slice. albums = append(albums, newAlbum) c.IndentedJSON(http.StatusCreated, newAlbum) } // getAlbumByID locates the album whose ID value matches the id // parameter sent by the client, then returns that album as a response. func getAlbumByID(c *gin.Context) { id := c.Param("id") // Loop through the list of albums, looking for // an album whose ID value matches the parameter. for _, a := range albums { if a.ID == id { c.IndentedJSON(http.StatusOK, a) return } } c.IndentedJSON(http.StatusNotFound, gin.H{"message": "album not found"}) }

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