2024年七大最佳免費貨幣轉換API
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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
