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使用 HTTP 方法

Gin 提供了直接對應 HTTP 動詞的方法,讓建構 RESTful API 變得簡單直覺。每個方法註冊一個僅回應對應 HTTP 請求類型的路由:

方法典型 REST 用途
GET取得資源
POST建立新資源
PUT取代現有資源
PATCH部分更新現有資源
DELETE刪除資源
HEAD與 GET 相同但不含回應主體
OPTIONS描述通訊選項
package main
import (
"net/http"
"github.com/gin-gonic/gin"
)
func getting(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"method": "GET"})
}
func posting(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"method": "POST"})
}
func putting(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"method": "PUT"})
}
func deleting(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"method": "DELETE"})
}
func patching(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"method": "PATCH"})
}
func head(c *gin.Context) {
c.Status(http.StatusOK)
}
func options(c *gin.Context) {
c.Status(http.StatusOK)
}
func main() {
// Creates a gin router with default middleware:
// logger and recovery (crash-free) middleware
router := gin.Default()
router.GET("/someGet", getting)
router.POST("/somePost", posting)
router.PUT("/somePut", putting)
router.DELETE("/someDelete", deleting)
router.PATCH("/somePatch", patching)
router.HEAD("/someHead", head)
router.OPTIONS("/someOptions", options)
// By default it serves on :8080 unless a
// PORT environment variable was defined.
router.Run()
// router.Run(":3000") for a hard coded port
}

使用 curl 測試

伺服器執行後,你可以測試每個端點:

Terminal window
# GET request
curl -X GET http://localhost:8080/someGet
# POST request
curl -X POST http://localhost:8080/somePost
# PUT request
curl -X PUT http://localhost:8080/somePut
# DELETE request
curl -X DELETE http://localhost:8080/someDelete
# PATCH request
curl -X PATCH http://localhost:8080/somePatch
# HEAD request (returns headers only, no body)
curl -I http://localhost:8080/someHead
# OPTIONS request
curl -X OPTIONS http://localhost:8080/someOptions

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