{"id":48107,"date":"2022-11-01T10:17:39","date_gmt":"2023-08-31T22:46:13","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87%e5%85%ad%e8%be%b9%e5%bd%a2%e6%9e%b6%e6%9e%84%e5%ae%9e%e7%8e%b0%e6%b7%b7%e5%90%88-graphql-rest-api-%e7%bd%91%e5%85%b3%e3%80%82\/"},"modified":"2024-04-28T22:26:31","modified_gmt":"2024-04-28T14:26:31","slug":"%e9%80%9a%e8%bf%87%e5%85%ad%e8%be%b9%e5%bd%a2%e6%9e%b6%e6%9e%84%e5%ae%9e%e7%8e%b0%e6%b7%b7%e5%90%88-graphql-rest-api-%e7%bd%91%e5%85%b3%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87%e5%85%ad%e8%be%b9%e5%bd%a2%e6%9e%b6%e6%9e%84%e5%ae%9e%e7%8e%b0%e6%b7%b7%e5%90%88-graphql-rest-api-%e7%bd%91%e5%85%b3%e3%80%82\/","title":{"rendered":"\u901a\u8fc7\u516d\u8fb9\u5f62\u67b6\u6784\u5b9e\u73b0\u6df7\u5408 GraphQL + REST API \u7f51\u5173"},"content":{"rendered":"<p>\u7576\u6211\u8a66\u8457\u5beb\u4e0b\u6211\u60f3\u5beb\u7684\u5167\u5bb9\u6642\uff0c\u6a19\u984c\u8b8a\u5f97\u5f88\u9577\u3002<br \/>\n\u56e0\u70ba\u6211\u4ee5\u524d\u5beb\u904e\u57fa\u790e\u8a2d\u65bd\u3001\u524d\u7aef\u548c\u6587\u7ae0\uff0c\u6240\u4ee5\u7d42\u65bc\u6709\u6a5f\u6703\u63a5\u89f8\u5f8c\u7aef\u3002<br \/>\n\u9019\u6b21\u6211\u4e5f\u6e96\u5099\u4e86\u4e00\u500b\u793a\u4f8b\uff0c\u8acb\u60a8\u4e00\u76f4\u966a\u4f34\u5230\u6700\u5f8c\u3002<\/p>\n<h1>\u9002\u5408\u7684\u8bfb\u8005<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u5316\u3092\u898b\u636e\u3048\u305f\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u65b9<\/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\">GraphQL \u30b5\u30fc\u30d0\u30fc\u3068 REST API \u30b5\u30fc\u30d0\u30fc\u306e\u30b3\u30fc\u30c9\u3092\u5171\u901a\u5316\u3057\u305f\u3044\u65b9<\/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\">\u4e2d\u898f\u6a21\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 \/ \u30d7\u30ed\u30c0\u30af\u30c8\u306e\u6280\u8853\u9078\u5b9a\u3092\u4efb\u3055\u308c\u305f\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Scala \u3084 ZIO\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u8208\u5473\u304c\u3042\u308b\u65b9<\/ul>\n<h1>\u8bf7\u7559\u610f\u4e0b\u5217\u8981\u70b9<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b5\u30f3\u30d7\u30eb\u306f\u30c9\u30e1\u30a4\u30f3\u99c6\u52d5\u8a2d\u8a08(DDD)\u3092\u53b3\u5bc6\u306b\u5b9f\u8df5\u3057\u3066\u3044\u307e\u305b\u3093<\/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\">\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u30c9\u30e1\u30a4\u30f3\u30ed\u30b8\u30c3\u30af\u306e\u95a2\u5fc3\u306e\u5206\u96e2\u3067\u306f\u306a\u304f\u30c6\u30af\u30ce\u30ed\u30b8\u306e\u5206\u96e2\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u3044\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u672c\u6765 DTO \u3084 DPO \u3067\u6271\u3046\u3079\u304d\u90e8\u5206\u3092\u7c21\u7565\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u30ec\u30a4\u30e4\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u306e\u53d7\u3051\u6e21\u3057\u306b\u3064\u3044\u3066\u306f\u5bc6\u7d50\u5408\u3092\u8a31\u5bb9\u3057\u3066\u3044\u307e\u3059<\/ul>\n<h1>\u592a\u957f\u4e0d\u770b<\/h1>\n<p>\u8fd9\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\u3002\u6211\u4eec\u4f7f\u7528 anyenv \u6765\u8bbe\u7f6e\u8bed\u8a00\u548c\u6784\u5efa\u73af\u5883\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6211\u4eec\u6b63\u5728\u4f7f\u7528\u7684\u6280\u672f\u5982\u4e0b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Scala3<\/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\">ZIO2<\/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\">Caliban (GraphQL\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Tapir (REST API\uff09<\/ul>\n<p>Scala \u5df2\u652f\u6301 LTS \u7248\u672c3.3+\u3002<\/p>\n<h1>\u4e3a\u4ec0\u4e48\u4f1a\u6709\u4e00\u4e2a\u5de8\u578b\u77f3\u7891\uff1f<\/h1>\n<p>\u4eca\u6b21\u7684\u6837\u54c1\u662f\u4ee5\u8003\u8651\u89c4\u6a21\u4e3a\u524d\u63d0\u7684\u6574\u4f53\u5f0f\u73b0\u4ee3\u5e94\u7528\u5f00\u53d1\u7684\u60f3\u6cd5\u3002<br \/>\n\u4f5c\u4e3a\u73b0\u4ee3\u5e94\u7528\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u300aThe Twelve-Factor App\u300b\u548c\u300aBeyond The Twelve-Factor App\u300b\u662f\u5f88\u6709\u540d\u7684\uff0c\u4f46\u662f\u4e3a\u4e86\u7b26\u5408\u6bcf\u4e2a\u8981\u7d20\uff0c\u4ece\u4e00\u5f00\u59cb\u5c31\u5b9e\u8df5\u5fae\u670d\u52a1\u53ef\u80fd\u5bf9\u4e8e\u5f00\u53d1\u7ec4\u7ec7\u7684\u719f\u7ec3\u7a0b\u5ea6\u548c\u5de5\u7a0b\u5e08\u7684\u6280\u80fd\u7b49\u90fd\u6709\u76f8\u5f53\u9ad8\u7684\u95e8\u69db\uff0c\u6240\u4ee5\u5bf9\u4e8e\u5f88\u591a\u5de5\u7a0b\u5e08\u800c\u8a00\uff0c\u4ed6\u4eec\u53ef\u80fd\u66f4\u60f3\u4ece\u6574\u4f53\u5f0f\u5e94\u7528\u5f00\u59cb\u2026\u2026\u6211\u89c9\u5f97\u8fd9\u6837\u7684\u5de5\u7a0b\u5e08\u4e5f\u4e0d\u5c11\uff08\u6211\u5c31\u662f\u5176\u4e2d\u4e4b\u4e00\uff09\u3002<br \/>\nGitHub\u7684\u524dCTO Jason Warner\u5148\u751f\u4e5f\u5728Twitter\u4e0a\u53d1\u8868\u4e86\u7c7b\u4f3c\u7684\u89c2\u70b9\uff0c\u5373\u5728\u5f00\u53d1\u7684\u65e9\u671f\uff0c\u6574\u4f53\u5f0f\u5e94\u7528\u6700\u5408\u9002\u3002<\/p>\n<blockquote><p>\u6211\u76f8\u4fe1\u8fc7\u53bb\u5341\u5e74\u6700\u5927\u7684\u5efa\u7b51\u9519\u8bef\u4e4b\u4e00\u5c31\u662f\u5168\u9762\u91c7\u7528\u5fae\u670d\u52a1\u3002\u5728\u4ece\u5355\u4f53\u67b6\u6784\u5230\u5fae\u670d\u52a1\u7684\u8c31\u7cfb\u4e2d\uff0c\u6211\u5efa\u8bae\u5982\u4e0b\u6392\u5e8f\uff1a\u5355\u4f53\u67b6\u6784 &gt; \u5e94\u7528\u7a0b\u5e8f &gt; \u670d\u52a1 &gt; \u5fae\u670d\u52a1\u3002\u6240\u4ee5\uff0c\u6211\u6709\u4e00\u4e9b\u60f3\u6cd5\u3002<\/p><\/blockquote>\n<p><script><\/script><\/p>\n<p>\u7136\u800c\uff0c\u5c3d\u7ba1\u6211\u4eec\u975e\u5e38\u6ce8\u610f\u4f9d\u8d56\u5173\u7cfb\uff0c\u4f46\u76f2\u76ee\u5730\u521b\u5efa\u5355\u4e00\u5e94\u7528\u7a0b\u5e8f\u540e\uff0c\u53ef\u80fd\u4f1a\u53d1\u73b0\u5b83\u4f1a\u53d8\u6210\u7d27\u5bc6\u8026\u5408\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<br \/>\n\u4f5c\u4e3a\u672a\u6765\u670d\u52a1\u5206\u5272\u7684\u5355\u4e00\u5e94\u7528\u7a0b\u5e8f\u67b6\u6784\uff0c\u6709\u8bf8\u5982\u6a21\u5757\u5355\u4f53\u4e4b\u7c7b\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u91c7\u7528\u516d\u8fb9\u5f62\u67b6\u6784\u7684\u5b9e\u73b0\u793a\u4f8b\uff0c\u4f5c\u4e3a\u4e0d\u5c06\u5176\u5206\u5272\u4e3a\u6a21\u5757\u5316\u7684\u5355\u4e00\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h1>\u901a\u8fc7\u516d\u8fb9\u5f62\u67b6\u6784\u8fdb\u884c\u677e\u8026\u5408\u7684\u5e94\u7528\u7a0b\u5e8f\u7ed3\u6784\u3002<\/h1>\n<p>\u516d\u8fb9\u5f62\u67b6\u6784\u662f\u5206\u5c42\u67b6\u6784\u7684\u4e00\u79cd\u3002\u7531\u4e8e\u5176\u5c06\u5e94\u7528\u7a0b\u5e8f\u5206\u89e3\u4e3a\u677e\u6563\u8026\u5408\u7684\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u9ad8\u6548\u7ba1\u7406\u4e0d\u540c\u7684\u6280\u672f\u5e76\u5b9e\u73b0\u9762\u5411\u670d\u52a1\u5206\u89e3\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u8bf4\u516d\u8fb9\u5f62\u67b6\u6784\u662f\u9002\u7528\u4e8e\u5b9e\u73b0\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u8ba1\u6a21\u5f0f\u3002\u672c\u6587\u4e0d\u8be6\u7ec6\u4ecb\u7ecd\u8bbe\u8ba1\u65b9\u6cd5\u672c\u8eab\uff0c\u4f46\u4f1a\u89e3\u91ca\u793a\u4f8b\u5982\u4f55\u4f7f\u7528\u516d\u8fb9\u5f62\u67b6\u6784\u6765\u8868\u793aGraphQL\u548cREST API\u3002\u7531\u4e8e\u8be6\u7ec6\u4ecb\u7ecd\u4f1a\u53d8\u5f97\u8fc7\u957f\uff0c\u56e0\u6b64\u672c\u6587\u53ea\u4ecb\u7ecd\u5173\u952e\u70b9\uff0c\u5e76\u5efa\u8bae\u60a8\u4e3b\u8981\u4ee5\u9605\u8bfb\u6e90\u4ee3\u7801\u7684\u65b9\u5f0f\u6765\u7406\u89e3\u3002<\/p>\n<p>\u8003\u8651\u5c06\u4ee5\u4e0b\u4e24\u4e2aAPI\u516c\u5f00\u7ed9\u524d\u7aef\u4f5c\u4e3a\u4f7f\u7528\u6848\u4f8b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u81ea\u793e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u30b3\u30fc\u30eb\u3055\u308c\u308b GraphQL\uff08\u8a8d\u53ef\u3042\u308a\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5916\u90e8\u30d9\u30f3\u30c0\u30fc\u5411\u3051\u306b\u81ea\u793e\u30b5\u30fc\u30d3\u30b9\u306e\u4e00\u90e8\u6a5f\u80fd\u3092\u516c\u958b\u3059\u308b REST API\uff08\u8a8d\u53ef\u306a\u3057\uff09<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d82e9913a08637a6b1ea0\/20-0.png\" alt=\"hexagonal_architecture.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d82e9913a08637a6b1ea0\/21-0.png\" alt=\"hexagonal_architecture_flow.png\" \/><\/div>\n<h1>\u7531Caliban\u548cTapir\u5b9e\u73b0\u7684\u7aef\u70b9\u5b9e\u73b0\u3002<\/h1>\n<p>\u5728\u516d\u8fb9\u5f62\u67b6\u6784\u4e2d\uff0c\u5c06\u4e0e\u5916\u90e8\u8fde\u63a5\u7684\u7ec4\u4ef6\u8868\u793a\u4e3a\u9002\u914d\u5668\u3002<br \/>\nGraphQL \u548c REST API \u7684\u9002\u914d\u5668\u5728\u6587\u4ef6\u5939\u4e2d\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>.\r\n\u2514\u2500\u2500 adapters\/\r\n    \u2514\u2500\u2500 primary\/\r\n        \u251c\u2500\u2500 graphql\/\r\n        \u2502   \u251c\u2500\u2500 apis\r\n        \u2502   \u251c\u2500\u2500 schemas\r\n        \u2502   \u2514\u2500\u2500 GraphqlResolver.scala\r\n        \u2514\u2500\u2500 rest\/\r\n            \u251c\u2500\u2500 apis\r\n            \u251c\u2500\u2500 endopints\r\n            \u2514\u2500\u2500 RestResolver.scala\r\n<\/code><\/pre>\n<p>\u5728\u793a\u4f8b\u4e2d\uff0cGraphQL \u7684\u5b9e\u73b0\u4f7f\u7528 Caliban\uff0cREST API \u7684\u5b9e\u73b0\u4f7f\u7528 Tapir \u5e93\u3002\u8fd9\u4e24\u4e2a\u5e93\u90fd\u53ef\u4ee5\u5728 Scala \u4ee3\u7801\u5e93\u4e2d\u7f16\u5199\u6a21\u5f0f\u548c\u8f93\u5165\/\u8f93\u51fa\u53c2\u6570\uff0c\u5e76\u4e14\u53ef\u4ee5\u5c06\u5b9a\u4e49\u548c\u5b9e\u73b0\u5206\u79bb\uff08\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0cCaliban \u5185\u90e8\u4f7f\u7528\u4e86 Tapir\uff09\u3002\u6b64\u5916\uff0c\u4e3a\u4e86\u5145\u5206\u5229\u7528\u540e\u6587\u63d0\u5230\u7684 ZIO\uff0c\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86 tapir-zio \u6a21\u5757\u3002<\/p>\n<p>\u4ee5\u4e0b\u7684\u4ee3\u7801\u662f\u5b9a\u4e49\u90e8\u5206\u7684\u63cf\u8ff0\u3002\u6839\u636e import \u8bed\u53e5\u6307\u5b9a\u4e86 ports \u5305\uff0c\u8be5\u5b9a\u4e49\u5f15\u7528\u4e86\u4e0e\u5b9e\u73b0\u65e0\u5173\u7684\u63a5\u53e3\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nn\">com.example.ports.primary.CharactersApi<\/span>\r\n\r\n<span class=\"k\">object<\/span> <span class=\"nc\">CharactersSchema<\/span> <span class=\"o\">{<\/span>\r\n<span class=\"o\">...<\/span>\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">api<\/span> <span class=\"k\">=<\/span>\r\n    <span class=\"nf\">graphQL<\/span><span class=\"o\">(<\/span>\r\n      <span class=\"nc\">RootResolver<\/span><span class=\"o\">(<\/span>\r\n        <span class=\"nc\">Queries<\/span><span class=\"o\">(<\/span>\r\n          <span class=\"n\">args<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nv\">CharactersApi<\/span><span class=\"o\">.<\/span><span class=\"py\">getCharacters<\/span><span class=\"o\">(<\/span><span class=\"nv\">args<\/span><span class=\"o\">.<\/span><span class=\"py\">origin<\/span><span class=\"o\">),<\/span>\r\n          <span class=\"n\">args<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nv\">CharactersApi<\/span><span class=\"o\">.<\/span><span class=\"py\">findCharacter<\/span><span class=\"o\">(<\/span><span class=\"nv\">args<\/span><span class=\"o\">.<\/span><span class=\"py\">name<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">),<\/span>\r\n        <span class=\"nc\">Mutations<\/span><span class=\"o\">(<\/span><span class=\"n\">args<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nv\">CharactersApi<\/span><span class=\"o\">.<\/span><span class=\"py\">deleteCharacter<\/span><span class=\"o\">(<\/span><span class=\"nv\">args<\/span><span class=\"o\">.<\/span><span class=\"py\">name<\/span><span class=\"o\">)),<\/span>\r\n        <span class=\"nc\">Subscriptions<\/span><span class=\"o\">(<\/span><span class=\"nv\">CharactersApi<\/span><span class=\"o\">.<\/span><span class=\"py\">deletedEvents<\/span><span class=\"o\">)<\/span>\r\n      <span class=\"o\">)<\/span>\r\n    <span class=\"o\">)<\/span>\r\n<span class=\"o\">...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nn\">com.example.ports.primary.CharactersPublicApi<\/span>\r\n\r\n<span class=\"k\">object<\/span> <span class=\"nc\">CharactersPublicEndpoint<\/span> <span class=\"o\">{<\/span>\r\n<span class=\"o\">...<\/span>\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">charactersLogic<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">charactersEndpoint<\/span><span class=\"o\">.<\/span><span class=\"py\">zServerLogic<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">origin<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nv\">CharactersPublicApi<\/span><span class=\"o\">.<\/span><span class=\"py\">getCharacters<\/span><span class=\"o\">(<\/span><span class=\"n\">origin<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e24\u4e2a API \u7684\u5b9e\u73b0 xxxApiLive.scala \u90fd\u4f9d\u8d56\u4e8e CharactersService\uff0c\u4f46\u53ea\u662f\u5f15\u7528\u4e86\u63a5\u53e3\uff0c\u56e0\u6b64\u9700\u8981\u6ce8\u5165\u5b9e\u9645\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<br \/>\n\u8fd9\u5c31\u662f Scala \u7684 ZIO \u5e93\u7684\u4f5c\u7528\u3002<\/p>\n<h1>\u4f7f\u7528 ZIO \u6765\u89e3\u51b3\u590d\u6742\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u9519\u8bef\u5904\u7406<\/h1>\n<p>ZIO \u662f\u4e00\u4e2a\u652f\u6301 Scala \u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u5e93\uff0c\u7528\u4e8e\u5904\u7406\u9519\u8bef\u3001\u7ba1\u7406\u8d44\u6e90\u4ee5\u53ca\u8fdb\u884c\u5f02\u6b65\u548c\u5e76\u53d1\u5904\u7406\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5173\u4e8e ZIO \u7684\u8be6\u7ec6\u8bf4\u660e\u5728\u672c\u6587\u7ae0\u4e2d\u5c06\u88ab\u7701\u7565\uff0c\u4f46\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u4ecb\u7ecd\u5176\u4f5c\u4e3a\u5f3a\u5927\u7684 DI \u5f15\u64ce\u548c\u516d\u8fb9\u5f62\u67b6\u6784\u7684\u826f\u597d\u517c\u5bb9\u6027\u3002<\/p>\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5148\u524dAPI\u7684\u5b9e\u73b0\u3002<br \/>\n\u5728CharactersPublicApiLive.scala\u4e2d\uff0c\u4f7f\u7528ZLayer[-RIn\uff08Requirements\uff09\uff0c+E\uff08Error\uff09\uff0c+ROut\uff08Value\uff09]\u8fdb\u884c\u58f0\u660e\uff0c\u8868\u8fbe\u4e86\u81ea\u8eab\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">object<\/span> <span class=\"nc\">CharactersPublicApiLive<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">layer<\/span><span class=\"k\">:<\/span> <span class=\"kt\">ZLayer<\/span><span class=\"o\">[<\/span><span class=\"kt\">CharactersService<\/span>, <span class=\"kt\">PrimaryError<\/span>, <span class=\"kt\">CharactersPublicApi<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"o\">...<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u7684\u6e90\u4ee3\u7801\u58f0\u660e\u4e86\u201cCharactersPublicApiLive \u4f7f\u7528 CharactersService \u6765\u5b9e\u73b0 CharactersPublicApi\u3002\u53d1\u751f\u7684\u9519\u8bef\u662f PrimaryError\u3002\u201d\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5b9e\u73b0\u4ee3\u7801\u4e2d\u5b9a\u4e49\u4f9d\u8d56\u6027\u5e76\u52a0\u5165\u9650\u5236\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d82e9913a08637a6b1ea0\/37-0.png\" alt=\"hexagonal_architecture_flow2.png\" \/><\/div>\n<pre class=\"post-pre\"><code><span class=\"k\">object<\/span> <span class=\"nc\">CharactersPublicApiLive<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">layer<\/span><span class=\"k\">:<\/span> <span class=\"kt\">ZLayer<\/span><span class=\"o\">[<\/span><span class=\"kt\">CharactersService<\/span>, <span class=\"kt\">PrimaryError<\/span>, <span class=\"kt\">CharactersPublicApi<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"nc\">ZLayer<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"n\">svc<\/span>   <span class=\"k\">&lt;-<\/span> <span class=\"nv\">ZIO<\/span><span class=\"o\">.<\/span><span class=\"py\">service<\/span><span class=\"o\">[<\/span><span class=\"kt\">CharactersService<\/span><span class=\"o\">]<\/span>\r\n    <span class=\"o\">}<\/span> <span class=\"k\">yield<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">CharactersPublicApi<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"k\">def<\/span> <span class=\"nf\">getCharacters<\/span><span class=\"o\">(<\/span><span class=\"n\">origin<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Option<\/span><span class=\"o\">[<\/span><span class=\"kt\">Origin<\/span><span class=\"o\">])<\/span><span class=\"k\">:<\/span> <span class=\"kt\">IO<\/span><span class=\"o\">[<\/span><span class=\"kt\">PrimaryError<\/span>, <span class=\"kt\">List<\/span><span class=\"o\">[<\/span><span class=\"kt\">Character<\/span><span class=\"o\">]]<\/span> <span class=\"k\">=<\/span>\r\n        <span class=\"nv\">svc<\/span><span class=\"o\">.<\/span><span class=\"py\">getCharacters<\/span><span class=\"o\">(<\/span><span class=\"n\">origin<\/span><span class=\"o\">)<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">mapError<\/span><span class=\"o\">(<\/span><span class=\"k\">_<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nc\">InternalServerError<\/span><span class=\"o\">)<\/span>\r\n      <span class=\"k\">def<\/span> <span class=\"nf\">findCharacter<\/span><span class=\"o\">(<\/span><span class=\"n\">name<\/span><span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">)<\/span><span class=\"k\">:<\/span> <span class=\"kt\">IO<\/span><span class=\"o\">[<\/span><span class=\"kt\">PrimaryError<\/span>, <span class=\"kt\">Option<\/span><span class=\"o\">[<\/span><span class=\"kt\">Character<\/span><span class=\"o\">]]<\/span> <span class=\"k\">=<\/span>\r\n        <span class=\"nv\">svc<\/span><span class=\"o\">.<\/span><span class=\"py\">findCharacter<\/span><span class=\"o\">(<\/span><span class=\"n\">name<\/span><span class=\"o\">)<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">mapError<\/span><span class=\"o\">(<\/span><span class=\"k\">_<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nc\">InternalServerError<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">}<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Primary Layer<\/span>\r\n<span class=\"k\">sealed<\/span> <span class=\"k\">trait<\/span> <span class=\"nc\">PrimaryError<\/span><span class=\"o\">(<\/span><span class=\"n\">errorCode<\/span><span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">,<\/span> <span class=\"n\">message<\/span><span class=\"k\">:<\/span> <span class=\"kt\">String<\/span><span class=\"o\">)<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">Throwable<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">code<\/span> <span class=\"k\">=<\/span> <span class=\"n\">errorCode<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"c1\">\/\/401 Unauthorized<\/span>\r\n<span class=\"k\">case<\/span> <span class=\"k\">object<\/span> <span class=\"nc\">UnAuthorizedError<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">PrimaryError<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UNAUTHORIZED_ERROR\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"You are not authenticated. You need to create an account or accept an invitation.\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"c1\">\/\/403 Forbidden<\/span>\r\n<span class=\"k\">case<\/span> <span class=\"k\">object<\/span> <span class=\"nc\">ForbiddenError<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">PrimaryError<\/span><span class=\"o\">(<\/span><span class=\"s\">\"FORBIDDEN_ERROR\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Permission denied for this resource. Add the roles you need to access the resource.\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"c1\">\/\/500 Internal Server Error<\/span>\r\n<span class=\"k\">case<\/span> <span class=\"k\">object<\/span> <span class=\"nc\">InternalServerError<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">PrimaryError<\/span><span class=\"o\">(<\/span><span class=\"s\">\"INTERNAL_SERVER_ERROR\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"An Internal Server Error has occurred. Please contact support.\"<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5728CharactersPublicApiLive\u4e2d\uff0c\u4f7f\u7528ZIO.service[CharactersService]\u6765\u8fd4\u56deCharactersPublicApi\u7684\u5b9e\u4f8b\uff0c\u56e0\u6b64\u4e0e\u4e4b\u524d\u7684ZLayer\u7684\u58f0\u660e\u5339\u914d\u3002<\/p>\n<p>\u79ef\u5206\u70b9\u6570<\/p>\n<p>for {&#8230;} yield &#8230; \u306f For Comprehensions \u3068\u3044\u3046 Scala \u306e\u7279\u5fb4\u7684\u306a\u8868\u8a18\u6cd5\u3067\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u8907\u6570\u306e\u751f\u6210\u7d50\u679c\u3092\u8a55\u4fa1\u3057\u3066\uff11\u3064\u306e\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/p>\n<p>ZIO.service[T] \u3067\u4f9d\u5b58\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306e\u5b9f\u4f53\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059 2 3<\/p>\n<p>\u5982\u679c\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u5220\u9664ZIO.service[CharactersService]\u6216\u6dfb\u52a0\u5176\u4ed6ZIO.service[T]\uff0c\u5219\u7531\u4e8e\u4e0eZLayer\u7684\u58f0\u660e\u4e0d\u540c\uff0c\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u9519\u8bef\u3002<br \/>\n\u6b64\u5916\uff0c\u5728\u4e1a\u52a1\u903b\u8f91\u4e2d\u53d1\u751f\u7684\u9519\u8bef\u88ab\u89c6\u4e3aDomainError\uff0c\u4f46\u5728\u4e3b\u9002\u914d\u5668\u4e2d\uff0c\u6211\u4eec\u65bd\u52a0\u4e86\u7ea6\u675f\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u524d\u7aef\u8fd4\u56de\u7684\u9519\u8bef\u7c7b\u578bPrimaryError\u3002<br \/>\n\u5728ZIO\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528.mapError\u65b9\u6cd5\u6765\u8f6c\u6362\u9519\u8bef\uff0c\u4f46\u5982\u679c\u4e0d\u6309\u58f0\u660e\u8981\u6c42\u8f6c\u6362\u4e3aPrimaryError\uff0c\u8fd9\u4e5f\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u9519\u8bef\u3002<br \/>\n\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u6bcf\u4e2a\u5c42\uff08\u7ec4\u4ef6\uff09\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u53d1\u751f\u7684\u9519\u8bef\u65bd\u52a0\u7ea6\u675f\uff0c\u4ee5\u4fbf\u9002\u5f53\u5730\u8fdb\u884c\u63a7\u5236\u3002<\/p>\n<p>\u6ce8\u5165\u4f9d\u5b58\u6027\u7684\u63cf\u8ff0\u662f\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">object<\/span> <span class=\"nc\">AppContext<\/span> <span class=\"o\">{<\/span>\r\n<span class=\"o\">...<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">restLayer<\/span><span class=\"k\">:<\/span> <span class=\"kt\">ZLayer<\/span><span class=\"o\">[<\/span><span class=\"kt\">Any<\/span>, <span class=\"kt\">Throwable<\/span>, <span class=\"kt\">RestApp<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">ZLayer<\/span><span class=\"o\">.<\/span><span class=\"py\">make<\/span><span class=\"o\">[<\/span><span class=\"kt\">RestApp<\/span><span class=\"o\">](<\/span>\r\n    <span class=\"c1\">\/\/ Inbound<\/span>\r\n    <span class=\"nv\">CharactersPublicApiLive<\/span><span class=\"o\">.<\/span><span class=\"py\">layer<\/span><span class=\"o\">,<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Application<\/span>\r\n    <span class=\"n\">restServerConfig<\/span><span class=\"o\">,<\/span>\r\n    <span class=\"nv\">CharactersService<\/span><span class=\"o\">.<\/span><span class=\"py\">layer<\/span><span class=\"o\">,<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Outbound<\/span>\r\n    <span class=\"nv\">CharactersRepositoryMock<\/span><span class=\"o\">.<\/span><span class=\"py\">layer<\/span>\r\n  <span class=\"o\">)<\/span>\r\n<span class=\"o\">...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u5728ZLayer\u4e2d\u58f0\u660e\u4e86\u201cCharactersPublicApiLive\u4f7f\u7528CharactersService\u201d\uff0c\u6240\u4ee5\u5982\u679c\u4ece\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u5220\u9664CharactersService.layer\uff0c\u8fd9\u91cc\u4e5f\u5c06\u4ea7\u751f\u7f16\u8bd1\u9519\u8bef\u3002<br \/>\n\u6b64\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u5c06CharactersRepositoryMock\u5207\u6362\u5230CharactersRepositoryLive\uff0c\u5e76\u5207\u6362\u5230\u8fde\u63a5\u5230\u6570\u636e\u5b58\u50a8\u7684\u751f\u4ea7\u4ee3\u7801\u3002<\/p>\n<p>\u4f59\u8ac7<br \/>\n\u5728\u8fd0\u884c\u4e8eJVM\u4e0a\u7684\u6700\u4e3b\u6d41\u7684Web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6Spring\u4e2d\uff0c\u7528\u4e8e\u63a7\u5236DI\u5bb9\u5668\u7684\u5bf9\u8c61\u662fApplicationContext\uff0c\u56e0\u6b64\u5728\u793a\u4f8b\u4e2d\u5c06\u5176\u547d\u540d\u4e3aAppContext\uff0c\u4ee5\u4f7fSpring\u7528\u6237\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<p>\u5728ZIO\u4e2d\uff0cZIO.service[T]\u7684\u4f7f\u7528\u65b9\u5f0f\u7c7b\u4f3c\u4e8eSpring\u4e2d\u7684@Autowired\uff0c\u4f46\u662fZIO\u66f4\u8fdb\u4e00\u6b65\u6d89\u53ca\u9519\u8bef\u5904\u7406\u548c\u7ec4\u4ef6\u7684\u5c42\u6b21\u5316\u4f9d\u8d56\u5173\u7cfb\u63a7\u5236\uff0c\u56e0\u6b64\u53ef\u4ee5\u8bf4ZIO\u662f\u66f4\u9002\u5408\u5206\u5c42\u67b6\u6784\u7684\u5e93\uff08\u4e2a\u4eba\u89c2\u70b9\uff09\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528ZLayer.Debug.tree\u6216ZLayer.Debug.mermaid\uff0c\u53ef\u4ee5\u4ee5\u6e05\u6670\u7684\u6811\u72b6\u7ed3\u6784\u663e\u793a\u4f9d\u8d56\u5173\u7cfb\uff0c\u56e0\u6b64ZIO\u4e5f\u63a8\u8350\u7ed9\u90a3\u4e9b\u5728DI\u5bb9\u5668\u4e4b\u95f4\u7ea0\u7ed3\u4f9d\u8d56\u5173\u7cfb\u7684\u4eba\uff08\u5728ZIO1\u4e2d\u662f\u4f7f\u7528\u540d\u4e3azio-magic\u7684\u6a21\u5757\uff0c\u5728ZIO2\u4e2d\u5df2\u5185\u7f6e\uff09\u3002<\/p>\n<p>\u4f7f\u7528ZLayer.Debug.mermaid\u751f\u6210\u7684Mermaid Live Editor\u94fe\u63a5\u5982\u4e0b\u6240\u793a\u3002<br \/>\nGraphQL Mermaid Graph<br \/>\nRestAPI Mermaid Graph<\/p>\n<h1>\u4f7f\u7528\u5e76\u884c\u5904\u7406\u7684\u65b9\u6cd5\u5c06API\u516c\u5f00\u4e3a\u6df7\u5408\u5f0f\u7684\u3002<\/h1>\n<p>\u4f7f\u7528Scala\u7684http4s\u4f5c\u4e3aHTTP\u670d\u52a1\u5668\/\u5ba2\u6237\u7aef\u5e93\u6765\u516c\u5f00\u6bcf\u4e2aAPI\u3002\u5f53\u524d\u7684\u793a\u4f8b\u4e2d\uff0c\u5728\u8fd0\u884c\u65f6\u53c2\u6570\u4e2d\u6ca1\u6709\u8fdb\u884c\u4efb\u4f55\u5904\u7406\uff0c\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u6765\u63a7\u5236\u53ea\u542f\u52a8\u4e00\u4e2a\u670d\u52a1\u5668\u3002\u4f7f\u7528AppContext.gqlLayer\u548cAppContext.restLayer\u5728\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u63d0\u4f9b\u76f8\u5e94\u7684layer\uff0c\u7136\u540e\u4f7f\u7528zipPar\u5e76\u884c\u542f\u52a8\u5b83\u4eec\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">object<\/span> <span class=\"nc\">Main<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">ZIOAppDefault<\/span> <span class=\"o\">{<\/span>  \r\n<span class=\"o\">...<\/span>\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">graphql<\/span> <span class=\"k\">=<\/span> <span class=\"o\">(<\/span><span class=\"n\">args<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Chunk<\/span><span class=\"o\">[<\/span><span class=\"kt\">String<\/span><span class=\"o\">])<\/span> <span class=\"k\">=&gt;<\/span>\r\n    <span class=\"nc\">ZIO<\/span>\r\n      <span class=\"o\">.<\/span><span class=\"py\">runtime<\/span><span class=\"o\">[<\/span><span class=\"kt\">AppContext.GqlApp<\/span><span class=\"o\">]<\/span>\r\n      <span class=\"o\">.<\/span><span class=\"py\">flatMap<\/span><span class=\"o\">(<\/span><span class=\"k\">implicit<\/span> <span class=\"n\">runtime<\/span> <span class=\"k\">=&gt;<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"o\">{<\/span>\r\n          <span class=\"n\">config<\/span>      <span class=\"k\">&lt;-<\/span> <span class=\"nv\">ZIO<\/span><span class=\"o\">.<\/span><span class=\"py\">service<\/span><span class=\"o\">[<\/span><span class=\"kt\">ServerConfig<\/span><span class=\"o\">]<\/span>\r\n          <span class=\"n\">interpreter<\/span> <span class=\"k\">&lt;-<\/span> <span class=\"nv\">GraphqlResolver<\/span><span class=\"o\">.<\/span><span class=\"py\">api<\/span><span class=\"o\">.<\/span><span class=\"py\">interpreter<\/span>\r\n          <span class=\"k\">_<\/span>           <span class=\"k\">&lt;-<\/span> <span class=\"nc\">EmberServerBuilder<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">default<\/span><span class=\"o\">[<\/span><span class=\"kt\">GqlAuthzTask<\/span><span class=\"o\">]<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">withHost<\/span><span class=\"o\">(<\/span><span class=\"nv\">Host<\/span><span class=\"o\">.<\/span><span class=\"py\">fromString<\/span><span class=\"o\">(<\/span><span class=\"nv\">config<\/span><span class=\"o\">.<\/span><span class=\"py\">host<\/span><span class=\"o\">).<\/span><span class=\"py\">getOrElse<\/span><span class=\"o\">(<\/span><span class=\"n\">host<\/span><span class=\"s\">\"localhost\"<\/span><span class=\"o\">))<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">withPort<\/span><span class=\"o\">(<\/span><span class=\"nv\">Port<\/span><span class=\"o\">.<\/span><span class=\"py\">fromInt<\/span><span class=\"o\">(<\/span><span class=\"nv\">config<\/span><span class=\"o\">.<\/span><span class=\"py\">port<\/span><span class=\"o\">).<\/span><span class=\"py\">getOrElse<\/span><span class=\"o\">(<\/span><span class=\"n\">port<\/span><span class=\"s\">\"8088\"<\/span><span class=\"o\">))<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">withHttpWebSocketApp<\/span><span class=\"o\">(<\/span><span class=\"n\">wsBuilder<\/span> <span class=\"k\">=&gt;<\/span>\r\n            <span class=\"nc\">Router<\/span><span class=\"o\">[<\/span><span class=\"kt\">GqlAuthzTask<\/span><span class=\"o\">](<\/span>\r\n              <span class=\"s\">\"\/api\/graphql\"<\/span> <span class=\"o\">-&gt;<\/span> \r\n                <span class=\"nv\">CORS<\/span><span class=\"o\">.<\/span><span class=\"py\">policy<\/span><span class=\"o\">(<\/span>\r\n                  <span class=\"nc\">AuthzMiddleware<\/span><span class=\"o\">(<\/span>\r\n                    <span class=\"nv\">Http4sAdapter<\/span><span class=\"o\">.<\/span><span class=\"py\">makeHttpService<\/span><span class=\"o\">(<\/span>\r\n                      <span class=\"nc\">HttpInterpreter<\/span><span class=\"o\">(<\/span>\r\n                        <span class=\"n\">withErrorCodeExtensions<\/span><span class=\"o\">[<\/span><span class=\"kt\">AppContext.GqlApp<\/span><span class=\"o\">](<\/span><span class=\"n\">interpreter<\/span><span class=\"o\">)<\/span>\r\n                      <span class=\"o\">)<\/span>\r\n                    <span class=\"o\">)<\/span>\r\n                  <span class=\"o\">)<\/span>\r\n                <span class=\"o\">),<\/span>\r\n              <span class=\"s\">\"\/ws\/graphql\"<\/span> <span class=\"o\">-&gt;<\/span>\r\n                <span class=\"nv\">CORS<\/span><span class=\"o\">.<\/span><span class=\"py\">policy<\/span><span class=\"o\">(<\/span>\r\n                  <span class=\"nc\">AuthzMiddleware<\/span><span class=\"o\">(<\/span>\r\n                    <span class=\"nv\">Http4sAdapter<\/span><span class=\"o\">.<\/span><span class=\"py\">makeWebSocketService<\/span><span class=\"o\">(<\/span><span class=\"n\">wsBuilder<\/span><span class=\"o\">,<\/span>\r\n                      <span class=\"nc\">WebSocketInterpreter<\/span><span class=\"o\">(<\/span>\r\n                        <span class=\"n\">withErrorCodeExtensions<\/span><span class=\"o\">[<\/span><span class=\"kt\">AppContext.GqlApp<\/span><span class=\"o\">](<\/span><span class=\"n\">interpreter<\/span><span class=\"o\">)<\/span>\r\n                      <span class=\"o\">)<\/span>\r\n                    <span class=\"o\">)<\/span>\r\n                  <span class=\"o\">)<\/span>\r\n                <span class=\"o\">),<\/span>\r\n              <span class=\"s\">\"\/graphiql\"<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nv\">Kleisli<\/span><span class=\"o\">.<\/span><span class=\"py\">liftF<\/span><span class=\"o\">(<\/span><span class=\"nv\">StaticFile<\/span><span class=\"o\">.<\/span><span class=\"py\">fromResource<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\/graphiql.html\"<\/span><span class=\"o\">,<\/span> <span class=\"nc\">None<\/span><span class=\"o\">))<\/span>\r\n            <span class=\"o\">).<\/span><span class=\"py\">orNotFound<\/span>\r\n          <span class=\"o\">)<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">build<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">toScopedZIO<\/span> <span class=\"o\">*&gt;<\/span> <span class=\"nv\">ZIO<\/span><span class=\"o\">.<\/span><span class=\"py\">never<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"nf\">yield<\/span> <span class=\"o\">()<\/span>\r\n      <span class=\"o\">)<\/span>\r\n      <span class=\"o\">.<\/span><span class=\"py\">provideSomeLayer<\/span><span class=\"o\">[<\/span><span class=\"kt\">Scope<\/span><span class=\"o\">](<\/span><span class=\"nv\">AppContext<\/span><span class=\"o\">.<\/span><span class=\"py\">gqlLayer<\/span><span class=\"o\">)<\/span>\r\n\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">rest<\/span> <span class=\"k\">=<\/span> <span class=\"o\">(<\/span><span class=\"n\">args<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Chunk<\/span><span class=\"o\">[<\/span><span class=\"kt\">String<\/span><span class=\"o\">])<\/span> <span class=\"k\">=&gt;<\/span>\r\n    <span class=\"nc\">ZIO<\/span>\r\n      <span class=\"o\">.<\/span><span class=\"py\">runtime<\/span><span class=\"o\">[<\/span><span class=\"kt\">AppContext.RestApp<\/span><span class=\"o\">]<\/span>\r\n      <span class=\"o\">.<\/span><span class=\"py\">flatMap<\/span><span class=\"o\">(<\/span><span class=\"k\">implicit<\/span> <span class=\"n\">runtime<\/span> <span class=\"k\">=&gt;<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"o\">{<\/span>\r\n          <span class=\"n\">config<\/span>      <span class=\"k\">&lt;-<\/span> <span class=\"nv\">ZIO<\/span><span class=\"o\">.<\/span><span class=\"py\">service<\/span><span class=\"o\">[<\/span><span class=\"kt\">ServerConfig<\/span><span class=\"o\">]<\/span>\r\n          <span class=\"k\">_<\/span>           <span class=\"k\">&lt;-<\/span> <span class=\"nc\">EmberServerBuilder<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">default<\/span><span class=\"o\">[<\/span><span class=\"kt\">RIO<\/span><span class=\"o\">[<\/span><span class=\"kt\">RestResolver.Apis<\/span>, <span class=\"kt\">*<\/span><span class=\"o\">]]<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">withHost<\/span><span class=\"o\">(<\/span><span class=\"nv\">Host<\/span><span class=\"o\">.<\/span><span class=\"py\">fromString<\/span><span class=\"o\">(<\/span><span class=\"nv\">config<\/span><span class=\"o\">.<\/span><span class=\"py\">host<\/span><span class=\"o\">).<\/span><span class=\"py\">getOrElse<\/span><span class=\"o\">(<\/span><span class=\"n\">host<\/span><span class=\"s\">\"localhost\"<\/span><span class=\"o\">))<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">withPort<\/span><span class=\"o\">(<\/span><span class=\"nv\">Port<\/span><span class=\"o\">.<\/span><span class=\"py\">fromInt<\/span><span class=\"o\">(<\/span><span class=\"nv\">config<\/span><span class=\"o\">.<\/span><span class=\"py\">port<\/span><span class=\"o\">).<\/span><span class=\"py\">getOrElse<\/span><span class=\"o\">(<\/span><span class=\"n\">port<\/span><span class=\"s\">\"9000\"<\/span><span class=\"o\">))<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">withHttpApp<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"nc\">Router<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\/\"<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nv\">RestResolver<\/span><span class=\"o\">.<\/span><span class=\"py\">routes<\/span><span class=\"o\">).<\/span><span class=\"py\">orNotFound<\/span>\r\n          <span class=\"o\">)<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">build<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">toScopedZIO<\/span> <span class=\"o\">*&gt;<\/span> <span class=\"nv\">ZIO<\/span><span class=\"o\">.<\/span><span class=\"py\">never<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"nf\">yield<\/span> <span class=\"o\">()<\/span>\r\n      <span class=\"o\">)<\/span>\r\n      <span class=\"o\">.<\/span><span class=\"py\">provideSomeLayer<\/span><span class=\"o\">[<\/span><span class=\"kt\">Scope<\/span><span class=\"o\">](<\/span><span class=\"nv\">AppContext<\/span><span class=\"o\">.<\/span><span class=\"py\">restLayer<\/span><span class=\"o\">)<\/span>\r\n\r\n  <span class=\"k\">override<\/span> <span class=\"k\">def<\/span> <span class=\"nf\">run<\/span> <span class=\"k\">=<\/span>\r\n    <span class=\"o\">(<\/span><span class=\"k\">for<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"n\">args<\/span> <span class=\"k\">&lt;-<\/span> <span class=\"n\">getArgs<\/span>\r\n      <span class=\"k\">_<\/span>    <span class=\"k\">&lt;-<\/span> <span class=\"nf\">graphql<\/span><span class=\"o\">(<\/span><span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"n\">zipPar<\/span> <span class=\"nf\">rest<\/span><span class=\"o\">(<\/span><span class=\"n\">args<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">}<\/span> <span class=\"nf\">yield<\/span><span class=\"o\">()).<\/span><span class=\"py\">exitCode<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u6765\u8bd5\u8bd5\u770b\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code>sbt run\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d82e9913a08637a6b1ea0\/53-1.png\" alt=\"swagger-ui.png\" \/><\/div>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6211\u5f88\u62b1\u6b49\u7b80\u5316\u4e86\u89e3\u91ca\uff0c\u4f46\u662f\u6211\u7ed9\u60a8\u5c55\u793a\u4e86\u4e00\u4e2a\u4f7f\u7528\u516d\u8fb9\u5f62\u67b6\u6784\u6784\u5efa\u6df7\u5408\u7f51\u5173\u7684\u793a\u4f8b\u3002<br \/>\n\u867d\u7136\u79f0\u4e4b\u4e3a\u7f51\u5173\uff0c\u4f46\u8be5\u793a\u4f8b\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u5c06\u6240\u6709\u529f\u80fd\u96c6\u6210\u5230\u5355\u4f53\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6837\u672c\u3002<br \/>\n\u5f53\u5e94\u7528\u7a0b\u5e8f\u6210\u957f\u5e76\u4e14\u670d\u52a1\u5206\u79bb\u53d8\u5f97\u660e\u663e\u65f6\uff0c\u53ef\u4ee5\u5c06\u5e94\u7528\u7a0b\u5e8f\u5185\u7684\u670d\u52a1\u8f6c\u5316\u4e3a\u5fae\u670d\u52a1\uff0c\u5e76\u901a\u8fc7\u5b9e\u73b0\u5fae\u670d\u52a1\u5ba2\u6237\u7aef\u4e8e\u6b21\u7ea7\u9002\u914d\u5668\u4e2d\uff0c\u4f7f\u5176\u4f5c\u4e3a\u7c7b\u4f3c\u4e8eBFF\uff08\u9762\u5411\u524d\u7aef\u7684\u540e\u7aef\uff09\u7684\u7f51\u5173\u6765\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n<p>\u6700\u540e\uff0cZIO\u8fd9\u4e2a\u5e93\u975e\u5e38\u51fa\u8272\uff0c\u5b83\u4e0d\u4ec5\u4ec5\u662f\u7c7b\u578b\u5b89\u5168\u7684\uff0c\u800c\u4e14\u8fd8\u80fd\u5728\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u65f6\u4fdd\u8bc1\u5c42\u6b21\u5b89\u5168\uff08Layer-Safe\uff09\u5230\u7b2c\u4e94\u5c42\u3002\u867d\u7136\u4fe1\u606f\u6709\u9650\u53ef\u80fd\u4f1a\u7ed9\u5b66\u4e60\u5e26\u6765\u56f0\u96be\uff0c\u4f46\u6211\u5e0c\u671b\u4f60\u4eec\u80fd\u4ea7\u751f\u5174\u8da3\u3002\u7531\u4e8e\u5b98\u65b9\u6587\u6863\u66f4\u65b0\u8f83\u6162\uff0c\u6211\u8ba4\u4e3a\u6700\u597d\u5229\u7528\u4ee5\u4e0b\u7684\u5b58\u50a8\u5e93\u6765\u5b66\u4e60\u3002<\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u5230\u6b64\u7ed3\u675f\u3002<\/p>\n<p>&nbsp;<\/p>\n<section>Inbound\/Outbound\u4e5f\u88ab\u79f0\u4e3aDriver\/Driven\u3002 \u21a9https:\/\/zio.dev\/reference\/service-pattern\/ \u21a9<\/p>\n<p>https:\/\/zio.dev\/reference\/di\/dependency-injection-in-zio\/#dependency-injection-when-writing-services \u21a9<\/p>\n<p>https:\/\/zio.dev\/reference\/di\/automatic-layer-construction\/#zlayer-debugging \u21a9<\/p>\n<p>\u8fd9\u662f\u6211\u5728\u64b0\u5199\u6587\u7ae0\u65f6\u60f3\u5230\u7684\u4e00\u79cd\u521b\u9020\u6027\u8bcd\u6c47\uff0c\uff08\u53ef\u80fd\uff09\u5e76\u4e0d\u5b58\u5728\u8fd9\u6837\u7684\u672f\u8bed\u3002 \u21a9<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u7576\u6211\u8a66\u8457\u5beb\u4e0b\u6211\u60f3\u5beb\u7684\u5167\u5bb9\u6642\uff0c\u6a19\u984c\u8b8a\u5f97\u5f88\u9577\u3002 \u56e0\u70ba\u6211\u4ee5\u524d\u5beb\u904e\u57fa\u790e\u8a2d\u65bd\u3001\u524d\u7aef\u548c\u6587\u7ae0\uff0c\u6240\u4ee5\u7d42\u65bc\u6709\u6a5f\u6703\u63a5\u89f8\u5f8c\u7aef\u3002 \u9019\u6b21 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