{"id":47444,"date":"2023-12-30T19:47:13","date_gmt":"2023-12-02T15:25:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e5%9c%a8java%e4%b8%ad%e4%bd%bf%e7%94%a8graphql\/"},"modified":"2024-05-04T16:03:07","modified_gmt":"2024-05-04T08:03:07","slug":"%e5%b0%9d%e8%af%95%e5%9c%a8java%e4%b8%ad%e4%bd%bf%e7%94%a8graphql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e5%9c%a8java%e4%b8%ad%e4%bd%bf%e7%94%a8graphql\/","title":{"rendered":"\u5c1d\u8bd5\u5728Java\u4e2d\u4f7f\u7528GraphQL"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">OSS\u306a\u3069\u3067WebAPI\u3092\u63d0\u4f9b\u3059\u308b\u969b\u306b\u3001GraphQL\u304c\u63a1\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u3057\u3070\u3057\u3070\u898b\u53d7\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">REST\u5f8c\u7d99\u3068\u3082\u76ee\u3055\u308c\u308bGraphQL\u3092\u8abf\u67fb\u3059\u308b\u3068\u3068\u3082\u306bJava\u8a00\u8a9e\u304b\u3089\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u67fb\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u672c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u60f3\u5b9a\u8cfc\u8aad\u8005\u306f\u4ee5\u4e0b\u3068\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>Java\u8a00\u8a9e\u3067 GraphQL Client\u3092\u69cb\u7bc9\u3057\u305f\u3044\u3002<br \/>\n\u30b9\u30bf\u30fc\u30a6\u30a9\u30fc\u30ba\u3088\u308a\u3082\u30dd\u30b1\u30e2\u30f3\uff08\u7b2c1\u4e16\u4ee3\uff1a\u30ab\u30f3\u30c8\u30fc\u5730\u65b9\uff09\u304c\u597d\u304d\u3002<\/p>\n<h2>GraphQL\u662f\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Web API\u306e\u30c7\u30d5\u30a1\u30af\u30c8\u306fREST(Restful API)\u3067\u3042\u308b\u304c\u3001\u305d\u306e\u5f8c\u7d99\uff08\u306e\uff11\u3064\uff09\u3068\u898b\u505a\u3055\u308c\u3066\u3044\u308b GraphQL \u3092\u7d39\u4ecb\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>Facebook(\u73feMeta)\u304c\u958b\u767a\u3057\u305f\u30af\u30a8\u30ea\u8a00\u8a9e\u3067\u3001\u73fe\u5728\u306fGraphQL\u8ca1\u56e3\u306b\u79fb\u8b72\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\n\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u300c\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u306e\u69cb\u9020\u300d\u3092\u5b9a\u7fa9\u3067\u304d\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u300c\u5b9a\u7fa9\u3055\u308c\u305f\u30c7\u30fc\u30bf\u69cb\u9020\u300d\u304c\u5fdc\u7b54\u3055\u308c\u308b\u3002\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u306e\u307f\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u52b9\u7387\u826f\u304f\u901a\u4fe1\u3092\u5b9f\u65bd\u3067\u304d\u308b\u3002<br \/>\n\u7279\u5fb4<\/p>\n<p>\u578b\u30b7\u30b9\u30c6\u30e0\u3001\u30af\u30a8\u30ea\u8a00\u8a9e\u3001\u5b9f\u884c\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3001\u9759\u7684\u306a\u691c\u8a3c\u3001\u578b\u30c1\u30a7\u30c3\u30af\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u3002<br \/>\n\u30c7\u30fc\u30bf\u306e\u554f\u3044\u5408\u308f\u305b (query)\u3001\u66f8\u304d\u63db\u3048 (mutation)\u3001\u8cfc\u8aad (subscription) \u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3002<br \/>\nJSON\u306b\u4f3c\u305fDSL\u3067\u8a18\u8ff0\u3059\u308b\uff08JSON\u3068\u306e\u5b8c\u5168\u306a\u4e92\u63db\u306f\u306a\u3057\uff09<\/p>\n<p>\u53c2\u8003<\/p>\n<p>https:\/\/www.howtographql.com\/basics\/1-graphql-is-the-better-rest\/<br \/>\nhttps:\/\/techtarget.itmedia.co.jp\/tt\/news\/2002\/10\/news04.html<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"p\">{<\/span> <span class=\"n\">pokemon<\/span><span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Mew\"<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"n\">number<\/span> <span class=\"p\">}<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span> <span class=\"err\">\"<\/span><span class=\"n\">data<\/span><span class=\"err\">\":<\/span> <span class=\"p\">{<\/span> <span class=\"err\">\"<\/span><span class=\"n\">pokemon<\/span><span class=\"err\">\":<\/span> <span class=\"p\">{<\/span> <span class=\"err\">\"<\/span><span class=\"n\">number<\/span><span class=\"err\">\":<\/span> <span class=\"err\">\"151\"<\/span> <span class=\"p\">}}}<\/span>\r\n<\/code><\/pre>\n<h3>GraphiQL \/ GraphQL\u6e38\u4e50\u573a<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u306eAPI\u3092\u7c21\u5358\u306b\u5b9f\u884c\u30fb\u6319\u52d5\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u304c\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u3002\u6709\u540d\u306a\u3082\u306e\u306f\u4ee5\u4e0b\u3068\u306a\u3063\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>GraphiQL<br \/>\nGraphQL Playground<\/p>\n<p>\u3044\u305a\u308c\u3082\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5229\u7528\u3067\u304d\u308b\u7d71\u5408\u958b\u767a\u74b0\u5883\u3067\u3001\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u30cf\u30a4\u30e9\u30a4\u30c8\u3001\u5165\u529b\u88dc\u5b8c\u306a\u3069\u306e\u6a5f\u80fd\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<h2>\u4f7f\u7528GraphQL\u67e5\u8be2Pokemon\u7684\u793a\u4f8b<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u3067\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30b5\u30f3\u30d7\u30eb\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u3092\u78ba\u8a8d\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>The Star Wars API<br \/>\nGitHub GraphQL API<br \/>\nGraphQL<br \/>\ngraphql-pokemon<\/p>\n<p>\u672c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306f\u3001\u4e00\u756a\u697d\u3057\u305d\u3046\u306a\u300c\u30dd\u30b1\u30e2\u30f3\uff08\u7b2c1\u4e16\u4ee3\uff09\u300d\u3092GraphQL\u3067\u691c\u7d22\u3067\u304d\u308b GraphQL \u3092\u5229\u7528\u3057\u3066\u5b66\u7fd2\u3092\u884c\u3046(graphql-pokemon\u306e\u65b9\u304c\u8272\u3005\u3068\u5c5e\u6027\u60c5\u5831\u304c\u591a\u305d\u3046\u3060\u304c\u3001\u7fd2\u719f\u304c\u76ee\u7684\u306a\u306e\u3067\u3088\u308a\u7c21\u6613\u7684\u306a\u3082\u306e\u3092\u5229\u7528\u3059\u308b\u65b9\u91dd\u3068\u3057\u305f)\u3002<\/p>\n<p>GraphQL \u3067\u306f\u3001\u4e0a\u8a18\u306eGraphiQL\u3082\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001\u7c21\u6613\u306b\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u30fb\u52d5\u4f5c\u78ba\u8a8d\u304c\u3067\u304d\u308b\u3002<\/p>\n<h3>\u67e5\u8be2\u5b9a\u4e49\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5b9f\u884c\u53ef\u80fd\u306a\u30af\u30a8\u30ea\u3068\u3057\u3066\u4ee5\u4e0b\u304c\u78ba\u8a8d\u3067\u304d\u308b(\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9)\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>pokemons: \u6307\u5b9a\u3057\u305f\u300c\u6570\u300d\u306e\u300c\u30dd\u30b1\u30e2\u30f3\u4e00\u89a7\u300d\u3092\u56f3\u9451\u9806\u3067\u53d6\u5f97\u3059\u308b\u30af\u30a8\u30ea\u3002<\/p>\n<p>pokemon: \u300c\u30dd\u30b1\u30e2\u30f3ID\u300d\u304a\u3088\u3073\u300c\u540d\u524d\u300d\u3092\u6307\u5b9a\u3057\u3066\u7279\u5b9a\u306e\u300c\u30dd\u30b1\u30e2\u30f3\u300d\u3092\u53d6\u5f97\u3059\u308b\u30af\u30a8\u30ea\u3002<\/p>\n<pre class=\"post-pre\"><code>  pokemons(first: Int!): [Pokemon]\r\n  pokemon(id: String, name: String): Pokemon\r\n<\/code><\/pre>\n<h3>\u5b9a\u4e49\u53d8\u91cf<\/h3>\n<ul class=\"post-ul\">\u30af\u30a8\u30ea\u5fdc\u7b54\u7d50\u679c\u3068\u306a\u308bPokemon\u578b\u304c\u4e0b\u8a18\u69cb\u6210\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b(\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9)\u3002<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ee2913a08637a6a483c\/15-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u4ee5\u4e0b\u662f\u5b9e\u9645\u6267\u884c\u7684\u5b9d\u53ef\u68a6\u4f8b\u5b50\u3002<\/h3>\n<p>\u67e5\u8be2<\/p>\n<ul class=\"post-ul\">\u5f15\u6570first\u306b 4 \u304a\u3088\u3073\u5c5e\u6027\u60c5\u5831\u3068\u3057\u3066name\u3092\u6307\u5b9a\u3057\u3001pokemons\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u305f\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">pokemons<\/span><span class=\"p\">(<\/span><span class=\"n\">first<\/span><span class=\"p\">:<\/span> <span class=\"mi\">4<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">name<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u7ed3\u679c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u56f3\u9451\u9806\u306b\u30dd\u30b1\u30e2\u30f3(Pokemons\u578b)\u4e00\u89a7\u304c\u5fdc\u7b54\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30dd\u30b1\u30e2\u30f3\u306e\u5c5e\u6027\u60c5\u5831\u3068\u3057\u3066\u3001\u30af\u30a8\u30ea\u3067\u6307\u5b9a\u3057\u305fname\u306e\u307f\u304c\u8fd4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u56f3\u9451No.001\uff1a \u30d5\u30b7\u30ae\u30c0\u30cd(Bulbasaur)<br \/>\n\u56f3\u9451No.002\uff1a \u30d5\u30b7\u30ae\u30bd\u30a6(Ivysaur)<br \/>\n\u56f3\u9451No.003\uff1a \u30d5\u30b7\u30ae\u30d0\u30ca(Venusaur)<br \/>\n\u56f3\u9451No.004\uff1a \u30d2\u30c8\u30ab\u30b2(Charmander)<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span> <span class=\"nl\">\"data\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"pokemons\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Bulbasaur\"<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Ivysaur\"<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Venusaur\"<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Charmander\"<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"p\">]<\/span>\r\n<span class=\"p\">}}<\/span>\r\n<\/code><\/pre>\n<h3>\u7cbe\u7075\u5b9d\u53ef\u68a6\u7684\u5b9e\u9645\u6848\u4f8b<\/h3>\n<p>\u67e5\u8be2<\/p>\n<ul class=\"post-ul\">\u5f15\u6570name\u306b Pikachu\u3001\u5c5e\u6027\u60c5\u5831\u306bnumber,name,attacks\u3092\u6307\u5b9a\u3057\u3001pokemon\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u305f\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">pokemon<\/span><span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Pikachu\"<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">number<\/span>\r\n    <span class=\"n\">name<\/span>\r\n    <span class=\"n\">attacks<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">special<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">name<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\u6267\u884c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30dd\u30b1\u30e2\u30f3\u306e\u5c5e\u6027\u60c5\u5831\u3068\u3057\u3066\u3001\u30af\u30a8\u30ea\u3067\u6307\u5b9a\u3057\u305fnumber,name,attacks\u306e\u307f\u304c\u8fd4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>Discharge (\u307b\u3046\u3067\u3093)<br \/>\nThunder (\u304b\u307f\u306a\u308a)<br \/>\nThunderbolt (10\u307e\u3093\u30dc\u30eb\u30c8)<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span> <span class=\"nl\">\"data\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"pokemon\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"number\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"025\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Pikachu\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"attacks\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"special\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n          <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Discharge\"<\/span> <span class=\"p\">},<\/span>\r\n          <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Thunder\"<\/span> <span class=\"p\">},<\/span>\r\n          <span class=\"p\">{<\/span> <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Thunderbolt\"<\/span> <span class=\"p\">}<\/span>\r\n        <span class=\"p\">]<\/span>\r\n<span class=\"p\">}}}}<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528Java\u6765\u4f7f\u7528GraphQL\u7684\u65b9\u6cd5<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u306fhttp\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u5b9f\u73fe\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u7a76\u6975\u7684\u306b\u306fHTTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3055\u3048\u3042\u308c\u3070GraphQL\u306f\u5229\u7528\u306f\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u305f\u3060\u3057\u3001\u5229\u7528\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u5fdc\u3057\u305f\u9759\u7684\u578b\u4ed8\u3051\u3055\u308c\u305f\u30af\u30e9\u30b9\u304c\u306a\u3044\u3068\u6c4e\u7528\u6027\u30fb\u53ef\u8aad\u6027\u304c\u4f4e\u304f\u306a\u308a\u5229\u7528\u304c\u3057\u3065\u3089\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u305d\u306e\u305f\u3081\u3001\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u304b\u3089Java\u30af\u30e9\u30b9\u3092\u751f\u6210\u30fb\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u67fb\u3059\u308b\u3002<\/ul>\n<h3>GraphQL\u4e2d\u7684\u6a21\u5f0f\u5b9a\u4e49<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u3067\u306f\u30b9\u30ad\u30fc\u30de\u3092\u5b9a\u7fa9\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u4ee5\u4e0b\u306e\uff12\u7a2e\u985e\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\uff08\u5185\u5bb9\u306f\u307b\u307c\u540c\u4e00\u3060\u304c\u3001\u69cb\u9020\u306b\u5dee\u5206\u3042\u308a\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>SDL<\/p>\n<p>QraphQL\u306e\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u30d5\u30a1\u30a4\u30eb\u3002<br \/>\nOSS\u306a\u3069\u3067\u3042\u308c\u3070\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3002<br \/>\n\u62e1\u5f35\u5b50\u306f .graphql<\/p>\n<p>Introspection Result<\/p>\n<p>GraphQL\u3067\u306f\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u4ed5\u69d8(Introspection)\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5fc5\u305a\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>Introspection query\u306e\u5fdc\u7b54\u3068\u3057\u3066\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u60c5\u5831(Introspection result)\u3092\u53d6\u5f97\u3067\u304d\u308b\u3002<br \/>\n(\u53c2\u8003\uff1a\u3000martinheld\u6c0f\u304c\u516c\u958b\u3057\u3066\u3044\u308bGraphQL introspection query via curl\u304c\u5b8c\u74a7)<br \/>\n\u62e1\u5f35\u5b50\u306f .json<\/p>\n<h3>\u4ece\u6a21\u5f0f\u5b9a\u4e49\u751f\u6210Java\u7c7b\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8abf\u67fb\u3057\u305f\u7d50\u679c\u3001\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u304b\u3089Java\u30af\u30e9\u30b9\u3092\u751f\u6210\u3067\u304d\u308b\u30c4\u30fc\u30eb\u304c\u8272\u3005\u5b58\u5728\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u672c\u8cc7\u6599\u3067\u306f\u3001 graphql-java-codegen \u3092\u5229\u7528\u3059\u308b\u65b9\u91dd\u3068\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>SDL\u304b\u3089Java\u30af\u30e9\u30b9\u3092\u751f\u6210\u3067\u304d\u308b\u30c4\u30fc\u30eb<\/p>\n<p>graphql-java-codegen<br \/>\nGraphQL Java<\/p>\n<p>Introspection result\u304b\u3089Java\u30af\u30e9\u30b9\u3092\u751f\u6210\u3067\u304d\u308b\u30c4\u30fc\u30eb<\/p>\n<p>graphql_java_gen<br \/>\ngraphql-java-generator<\/p>\n<h3>\u4f7f\u7528graphql-java-codegen\u6765\u751f\u6210Java\u6587\u4ef6<\/h3>\n<p>graphqlSchemas\u3067 SDL\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b(\u3053\u3053\u3067\u306f\u3001GraphQL \u306eSDL\u3092\u6307\u5b9a)<\/p>\n<p>graphql-java-codegen\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3053\u3061\u3089\u3092\u53c2\u7167\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;build&gt;&lt;plugins&gt;&lt;plugin&gt;<\/span>\r\n    <span class=\"nt\">&lt;groupId&gt;<\/span>io.github.kobylynskyi<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n    <span class=\"nt\">&lt;artifactId&gt;<\/span>graphql-codegen-maven-plugin<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n    <span class=\"nt\">&lt;version&gt;<\/span>${graphql-java-codegen.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n    <span class=\"nt\">&lt;executions&gt;<\/span>\r\n      <span class=\"nt\">&lt;execution&gt;<\/span>\r\n        <span class=\"nt\">&lt;id&gt;<\/span>generate-sources-product-client<span class=\"nt\">&lt;\/id&gt;<\/span>\r\n        <span class=\"nt\">&lt;goals&gt;&lt;goal&gt;<\/span>generate<span class=\"nt\">&lt;\/goal&gt;&lt;\/goals&gt;<\/span>\r\n        <span class=\"nt\">&lt;configuration&gt;<\/span>\r\n          <span class=\"nt\">&lt;graphqlSchemas&gt;<\/span>\r\n            <span class=\"nt\">&lt;includePattern&gt;<\/span>schema.graphqls<span class=\"nt\">&lt;\/includePattern&gt;<\/span>\r\n          <span class=\"nt\">&lt;\/graphqlSchemas&gt;<\/span>\r\n          <span class=\"nt\">&lt;outputDir&gt;<\/span>${project.build.directory}\/generated-sources\/client<span class=\"nt\">&lt;\/outputDir&gt;<\/span>\r\n          <span class=\"nt\">&lt;modelPackageName&gt;<\/span>com.github.nomunomu5678.pokemon.model<span class=\"nt\">&lt;\/modelPackageName&gt;<\/span>\r\n          <span class=\"nt\">&lt;generateClient&gt;<\/span>true<span class=\"nt\">&lt;\/generateClient&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/configuration&gt;<\/span>\r\n      <span class=\"nt\">&lt;\/execution&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/executions&gt;<\/span>\r\n<span class=\"nt\">&lt;\/plugin&gt;&lt;\/plugins&gt;&lt;\/build&gt;<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">SDL\u30d5\u30a1\u30a4\u30eb\u306f\u30ea\u30bd\u30fc\u30b9\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u914d\u7f6e\u3059\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code>.\r\n\u251c\u2500\u2500 src\r\n\u2502   \u2514\u2500\u2500 main\r\n\u2502       \u2514\u2500\u2500 resources\r\n\u2502           \u2514\u2500\u2500 schema.graphqls\r\n\u2514\u2500\u2500 pom.xml\r\n<\/code><\/pre>\n<p>mvn compile\u3067Java\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u308b\u3002<\/p>\n<p>*Request.java: GraphQL\u306e\u30ea\u30af\u30a8\u30b9\u30c8(\u30d1\u30e9\u30e1\u30fc\u30bf)<\/p>\n<p>*ResponseProjection.java: GraphQL\u306e\u30ea\u30af\u30a8\u30b9\u30c8(\u53d6\u5f97\u5bfe\u8c61\u306e\u9805\u76ee\u5b9a\u7fa9\uff09<\/p>\n<p>*Response.java: GraphQL\u306e\u30ec\u30b9\u30dd\u30f3\u30b9<br \/>\n\u305d\u306e\u4ed6: GraphQL\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mvn compile\r\n\r\n<span class=\"nv\">$ <\/span>tree .\/target\/generated-sources\/client \r\n.\/target\/generated-sources\/client\r\n\u251c\u2500\u2500 Attack.java\r\n\u251c\u2500\u2500 AttackResponseProjection.java\r\n\u251c\u2500\u2500 Pokemon.java\r\n\u251c\u2500\u2500 PokemonAttack.java\r\n\u251c\u2500\u2500 PokemonAttackResponseProjection.java\r\n\u251c\u2500\u2500 PokemonDimension.java\r\n\u251c\u2500\u2500 PokemonDimensionResponseProjection.java\r\n\u251c\u2500\u2500 PokemonEvolutionRequirement.java\r\n\u251c\u2500\u2500 PokemonEvolutionRequirementResponseProjection.java\r\n\u251c\u2500\u2500 PokemonQueryRequest.java\r\n\u251c\u2500\u2500 PokemonQueryResponse.java\r\n\u251c\u2500\u2500 PokemonResponseProjection.java\r\n\u251c\u2500\u2500 PokemonsQueryRequest.java\r\n\u251c\u2500\u2500 PokemonsQueryResponse.java\r\n\u251c\u2500\u2500 QueryQueryRequest.java\r\n\u2514\u2500\u2500 QueryQueryResponse.java\r\n<\/code><\/pre>\n<h4>\u751f\u6210\/\u5e8f\u5217\u5316GraphQL\u8bf7\u6c42<\/h4>\n<p>GraphQLRequest\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u3001*Request\u3068*ResponseProjection\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n<p>*Request.java: GraphQL\u306e\u30ea\u30af\u30a8\u30b9\u30c8(\u30d1\u30e9\u30e1\u30fc\u30bf)<\/p>\n<p>*ResponseProjection.java: GraphQL\u306e\u30ea\u30af\u30a8\u30b9\u30c8(\u53d6\u5f97\u5bfe\u8c61\u306e\u9805\u76ee\u5b9a\u7fa9\uff09<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">PokemonQueryRequest<\/span> <span class=\"n\">req<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">PokemonQueryRequest<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">setName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Pikachu\"<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">PokemonResponseProjection<\/span> <span class=\"n\">resp<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">PokemonResponseProjection<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">number<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">name<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">GraphQLRequest<\/span> <span class=\"n\">graphqlReq<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">GraphQLRequest<\/span><span class=\"o\">(<\/span><span class=\"n\">req<\/span><span class=\"o\">,<\/span> <span class=\"n\">resp<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">graphqlReq<\/span><span class=\"o\">.<\/span><span class=\"na\">toHttpJsonBody<\/span><span class=\"o\">());<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"o\">{<\/span><span class=\"s2\">\"query\"<\/span>:<span class=\"s2\">\"query pokemon { pokemon: pokemon(name: <\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">Pikachu<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">){ number name } }\"<\/span><span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>GraphQL\u54cd\u5e94\/\u53cd\u5e8f\u5217\u5316<\/h4>\n<ul class=\"post-ul\">JSON\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30de\u30c3\u30d1\u30fc\u3092\u5229\u7528\u3057\u3066\u30c7\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3059\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code>  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">Exception<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">graphqlRes<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"{\\\"data\\\": {\\\"pokemon\\\": {\\\"id\\\": \\\"UG9rZW1vbjowMjU=\\\"}}}\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">ObjectMapper<\/span> <span class=\"n\">objectMapper<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ObjectMapper<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">PokemonQueryResponse<\/span> <span class=\"n\">res<\/span> <span class=\"o\">=<\/span> <span class=\"n\">objectMapper<\/span><span class=\"o\">.<\/span><span class=\"na\">readValue<\/span><span class=\"o\">(<\/span><span class=\"n\">graphqlRes<\/span><span class=\"o\">,<\/span> <span class=\"nc\">PokemonQueryResponse<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">res<\/span><span class=\"o\">.<\/span><span class=\"na\">getData<\/span><span class=\"o\">());<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"o\">{<\/span><span class=\"nv\">pokemon<\/span><span class=\"o\">={<\/span> <span class=\"nb\">id<\/span>: <span class=\"s2\">\"UG9rZW1vbjowMjU=\"<\/span> <span class=\"o\">}}<\/span>\r\n<\/code><\/pre>\n<h4>\u751f\u6210\u7684\u4ee3\u7801\u793a\u4f8b<\/h4>\n<ul class=\"post-ul\">https:\/\/github.com\/nomunomu5678\/graphql_pokemon_java\/tree\/main<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u3092Java\u304b\u3089\u5229\u7528\u3059\u308b\u65b9\u6cd5\u306e\u8abf\u67fb\u3092\u884c\u3063\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5b9f\u73fe\u65b9\u5f0f\u3068\u3057\u3066\u3001GraphQL\u306e\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u304b\u3089\u751f\u6210\u3057\u305fJava\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u65b9\u5f0f\u3092\u8abf\u67fb\u3057\u305f\u3002<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 OSS\u306a\u3069\u3067WebAPI\u3092\u63d0\u4f9b\u3059\u308b\u969b\u306b\u3001GraphQL\u304c\u63a1\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u3057\u3070\u3057\u3070\u898b\u53d7\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47444","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5c1d\u8bd5\u5728Java\u4e2d\u4f7f\u7528GraphQL - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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