{"id":467,"date":"2026-05-06T09:31:24","date_gmt":"2026-05-06T00:31:24","guid":{"rendered":"https:\/\/www.zeronana.net\/?p=467"},"modified":"2026-05-06T15:41:44","modified_gmt":"2026-05-06T06:41:44","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e5%88%9d%e5%bf%83%e8%80%85ok%e3%80%91go-api%e3%81%ae%e4%bd%9c%e3%82%8a%e6%96%b9%ef%bd%9cnet-http%e3%81%a7%e5%a7%8b%e3%82%81%e3%82%8b%e9%96%8b%e7%99%ba%e5%85%a5%e9%96%80","status":"publish","type":"post","link":"https:\/\/www.zeronana.net\/?p=467","title":{"rendered":"\u3010\u5b8c\u5168\u521d\u5fc3\u8005OK\u3011Go API\u306e\u4f5c\u308a\u65b9\uff5cnet\/http\u3067\u59cb\u3081\u308b\u958b\u767a\u5165\u9580"},"content":{"rendered":"\n

Go\u8a00\u8a9e\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u3067\u9ad8\u901f\u306aAPI\u3092\u69cb\u7bc9\u3067\u304d\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002
\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3060\u3051\u3067\u3082\u5b9f\u7528\u7684\u306aAPI\u304c\u4f5c\u308c\u308b\u305f\u3081\u3001\u521d\u5fc3\u8005\u3067\u3082\u77ed\u671f\u9593\u3067\u958b\u767a\u306b\u5165\u308c\u308b<\/strong>\u306e\u304c\u9b45\u529b\u3067\u3059\u3002<\/p>\n\n\n\n

\u672c\u8a18\u4e8b\u3067\u306f\u3001Go\u3067API\u3092\u4f5c\u308b\u65b9\u6cd5\u3092\u300c\u57fa\u790e\u304b\u3089\u5b9f\u52d9\u30ec\u30d9\u30eb\u300d\u307e\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\n\n\n\n

API\u3068\u306f\uff1f<\/h2>\n\n\n\n

API\uff08Application Programming Interface\uff09\u306f\u3001
\ud83d\udc49 \u30b7\u30b9\u30c6\u30e0\u540c\u58eb\u304c\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u4ed5\u7d44\u307f<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u57fa\u672c\uff1aAPI\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u308b<\/h2>\n\n\n\n
package main

import (
    \"encoding\/json\"
    \"net\/http\"
)

type User struct {
    Name string `json:\"name\"`
}

func handler(w http.ResponseWriter, r *http.Request) {
    user := User{Name: \"Tomoya\"}

    w.Header().Set(\"Content-Type\", \"application\/json\")
    json.NewEncoder(w).Encode(user)
}

func main() {
    http.HandleFunc(\"\/api\", handler)
    http.ListenAndServe(\":8080\", nil)
}<\/code><\/pre>\n\n\n\n
\ud83d\udc49
http:\/\/localhost:8080\/api<\/code><\/p>\n\n\n\n
\n\n\n\n
GET \/ POST\u306e\u51e6\u7406<\/h2>\n\n\n\n
switch r.Method {
case \"GET\":
    \/\/ \u53d6\u5f97
case \"POST\":
    \/\/ \u767b\u9332
}<\/code><\/pre>\n\n\n\n
\n\n\n\n
JSON\u30ea\u30af\u30a8\u30b9\u30c8\u53d7\u4fe1<\/h2>\n\n\n\n
var user User
json.NewDecoder(r.Body).Decode(&user)<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5b9f\u52d9\u3067\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n
\u2714 \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/h3>\n\n\n\n
if err != nil {
    http.Error(w, \"\u30a8\u30e9\u30fc\", 500)
    return
}<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u2714 \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/h3>\n\n\n\n
w.WriteHeader(http.StatusOK)<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u2714 \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u8a08<\/h3>\n\n\n\n
    \n
  • \/users<\/li>\n\n\n\n
  • \/users\/{id}<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n
    \u5b9f\u52d9\u3067\u306e\u5fdc\u7528<\/h2>\n\n\n\n
      \n
    • \u7ba1\u7406\u753b\u9762API<\/li>\n\n\n\n
    • \u30b9\u30de\u30db\u30a2\u30d7\u30ea\u9023\u643a<\/li>\n\n\n\n
    • SaaS\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/li>\n<\/ul>\n\n\n\n
      \ud83d\udc49 \u3042\u306a\u305f\u306a\u3089\ud83d\udc47
      \ud83d\udc49\u300c\u53e3\u30b3\u30df\u30d6\u30fc\u30b9\u30bf\u30fcPRO\u300d\u306e\u30b3\u30a2\u90e8\u5206<\/p>\n\n\n\n
      \n\n\n\n
      \ud83d\udca1 \u7d50\u8ad6<\/h2>\n\n\n\n
      \ud83d\udc49
      \u300cGo\u306f\u6700\u77ed\u3067API\u958b\u767a\u3067\u304d\u308b\u6700\u5f37\u8a00\u8a9e\u300d<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
      Go\u8a00\u8a9e\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u3067\u9ad8\u901f\u306aAPI\u3092\u69cb\u7bc9\u3067\u304d\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3060\u3051\u3067\u3082\u5b9f\u7528\u7684\u306aAPI\u304c\u4f5c\u308c\u308b\u305f\u3081\u3001\u521d\u5fc3\u8005\u3067\u3082\u77ed\u671f\u9593\u3067\u958b\u767a […]<\/p>\n","protected":false},"author":1,"featured_media":468,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[6,7],"class_list":["post-467","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-go","tag-go-2","tag-go"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.zeronana.net\/wp-content\/uploads\/2026\/05\/GoAPI\u958b\u767a.png","_links":{"self":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=467"}],"version-history":[{"count":1,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/467\/revisions"}],"predecessor-version":[{"id":469,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/467\/revisions\/469"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/media\/468"}],"wp:attachment":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}