{"id":47908,"date":"2022-12-08T06:48:57","date_gmt":"2023-09-19T22:14:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8neo4j%e5%92%8cgraphql%e6%9d%a5%e5%88%86%e6%9e%90%e7%a4%be%e4%ba%a4%e7%bd%91%e7%bb%9c\/"},"modified":"2024-04-29T04:16:49","modified_gmt":"2024-04-28T20:16:49","slug":"%e4%bd%bf%e7%94%a8neo4j%e5%92%8cgraphql%e6%9d%a5%e5%88%86%e6%9e%90%e7%a4%be%e4%ba%a4%e7%bd%91%e7%bb%9c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8neo4j%e5%92%8cgraphql%e6%9d%a5%e5%88%86%e6%9e%90%e7%a4%be%e4%ba%a4%e7%bd%91%e7%bb%9c\/","title":{"rendered":"\u4f7f\u7528Neo4j\u548cGraphQL\u6765\u5206\u6790\u793e\u4ea4\u7f51\u7edc"},"content":{"rendered":"<h2>\u4e00\u958b\u59cb<\/h2>\n<p>\u6211\u4eec\u5728\u516c\u53f8\u7684\u9879\u76ee\u4e2d\u91c7\u7528\u4e86Neo4j\u548cGraphQL\uff0c\u5e76\u6b63\u5728\u5f00\u53d1\u65b0\u4ea7\u54c1\u3002<br \/>\n\u8fd9\u6b21\u6211\u4eec\u60f3\u8981\u5206\u4eab\u4e00\u4e9b\u5173\u4e8e\u4f7f\u7528Neo4j\u548cGraphQL\u7684\u611f\u60f3\u548c\u6848\u4f8b\u3002<br \/>\n\u6280\u672f\u6808\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Neo4j : \u6c38\u7d9a\u7528\u306e\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/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: \u30d0\u30c3\u30af\u30a8\u30f3\u30c9 API \u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306e\u30af\u30a8\u30ea\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Vue.js : \u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9<\/ul>\n<h2>\u5173\u4e8e\u8fd9\u4e2a\u9879\u76ee<\/h2>\n<p>\u6211\u4eec\u76ee\u524d\u6b63\u5728\u8fdb\u884c\u7684\u9879\u76ee\u662f\u5efa\u7acb\u4e00\u4e2a\u540d\u4e3amiel\u7684\u65f6\u5c1aAI\u5e73\u53f0\uff0c\u8be5\u5e73\u53f0\u662f\u57fa\u4e8eInstagram\u7b49\u793e\u4ea4\u5a92\u4f53\u7684\u5e16\u5b50\u548c\u793e\u4ea4\u7f51\u7edc\u56fe\u7684\u83b7\u53d6\u548c\u5206\u6790\uff0c\u8c03\u67e5\u548c\u8bc4\u4f30\u54c1\u724c\u548c\u4ea7\u54c1\u7684\u5f71\u54cd\u529b\u7b49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u60f3\u5199\u4e00\u4e0b\u5173\u4e8e\u6ce8\u518c\u548c\u8bc4\u4f30\u60f3\u8981\u5206\u6790\u7684\u793e\u4ea4\u5a92\u4f53\u8d26\u6237\uff08\u5c24\u5176\u662fInstagram\uff09\u548c\u6d3b\u52a8\u7684\u529f\u80fd\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8208913a08637a6aeb99\/5-0.png\" alt=\"2020Mask Campaign\" \/><\/div>\n<h2>\u9009\u62e9GraphQL\/Neo4J\u7684\u539f\u56e0<\/h2>\n<p>\u6211\u4eec\u8003\u8651\u4f7f\u7528GraphQL\uff0c\u5e76\u9605\u8bfb\u4e86\u6709\u5173Neo4j\u7684\u5ba3\u4f20\u6587\u7ae0\uff0c\u601d\u8003\u7740\u4f7f\u7528\u56fe\u6570\u636e\u5e93\u662f\u591a\u4e48\u7684\u7f8e\u5999\u3002\u5f53\u51fa\u73b0\u4e0e\u8fd9\u4e9b\u6280\u672f\u5b8c\u7f8e\u5339\u914d\u7684\u65b0\u9879\u76ee\u65f6\uff0c\u6211\u4eec\u5e0c\u671b\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n<p>\u793e\u4ea4\u7f51\u7edc\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u8bc6\u522b\u4eba\u4e0e\u4eba\u3001\u7fa4\u4f53\u4e0e\u7fa4\u4f53\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u76f4\u63a5\u6216\u95f4\u63a5\u5730\u4e92\u52a8\u7684\u5173\u7cfb\uff0c\u5e76\u4e14\u7528\u6237\u53ef\u4ee5\u76f8\u4e92\u8bc4\u4ef7\u3001\u8bc4\u8bba\u548c\u53d1\u73b0\u611f\u5174\u8da3\u7684\u4e8b\u7269\u3002\u901a\u8fc7\u4e86\u89e3\u8c01\u4e0e\u8c01\u8fdb\u884c\u4ea4\u6d41\uff0c\u4eba\u4eec\u5982\u4f55\u8fde\u63a5\u4ee5\u53ca\u7fa4\u4f53\u4e2d\u7684\u4ee3\u8868\u8005\u53ef\u80fd\u6839\u636e\u7fa4\u4f53\u7684\u96c6\u4f53\u884c\u52a8\u505a\u51fa\u4f55\u79cd\u884c\u52a8\u548c\u9009\u62e9\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u5f97\u5bf9\u4e2a\u4eba\u884c\u4e3a\u4ea7\u751f\u5f71\u54cd\u7684\u770b\u4e0d\u89c1\u529b\u91cf\u7684\u91cd\u8981\u6d1e\u5bdf\u3002<\/p>\n<p>\u7531\u4e8e\u793e\u4ea4\u7f51\u7edc\u5df2\u7ecf\u4ee5\u56fe\u5f62\u5316\u7684\u65b9\u5f0f\u5b58\u5728\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528Neo4j\u6765\u521b\u5efa\u6570\u636e\u6a21\u578b\uff0c\u6b64\u4e3e\u4e0e\u9886\u57df\u6a21\u578b\u76f4\u63a5\u5339\u914d\uff0c\u5e76\u4e14\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5de5\u4f5c\u3002<\/p>\n<p>GraphQL\u662f\u4e00\u79cd\u5929\u7136\u9002\u5e94\u4e8e\u4ee5\u56fe\u5f62\u6570\u636e\u5e93\u8868\u793a\u7684\u6570\u636e\u6a21\u578b\u7684\u6280\u672f\u3002\u901a\u8fc7\u7528GraphQL\u5bf9\u57fa\u672c\u6570\u636e\u6a21\u578b\u8fdb\u884c\u5efa\u6a21\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u6d88\u8d39\u63a7\u5236\u8f6c\u79fb\u5230\u524d\u7aef\u5e94\u7528\uff0c\u5e76\u80fd\u591f\u4ece\u6301\u4e45\u5c42\u67e5\u8be2\u6240\u9700\u7684\u6570\u636e\u3002GraphQL\u7684\u7cfb\u7edf\u53ef\u4ee5\u4fdd\u8bc1\u67e5\u8be2\u7684\u6709\u6548\u6027\uff0c\u5e76\u663e\u8457\u51cf\u5c11\u540e\u7aef\u548c\u524d\u7aef\u4e4b\u95f4\u7684\u901a\u4fe1\u5f00\u9500\uff0c\u4ece\u800c\u8282\u7701\u5f00\u53d1\u5de5\u4f5c\u3002<\/p>\n<h2>\u6570\u636e\u6a21\u578b<\/h2>\n<p>Neo4j\u6700\u5927\u7684\u5356\u70b9\u4e4b\u4e00\u662f\u6570\u636e\u5efa\u6a21\uff0c\u4e5f\u5c31\u662f\u6570\u636e\u6a21\u578b\u7684\u6784\u5efa\u53d8\u5f97\u7b80\u5355\u800c\u76f4\u89c2\u3002\u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0c\u4e8b\u5b9e\u8bc1\u660e\u5b83\u786e\u5b9e\u5982\u6b64\u3002\u5c06\u50cf\u5728\u767d\u677f\u4e0a\u7ed8\u5236\u7684\u56fe\u50cf\u5e26\u5165\u5230Neo4j\u6a21\u578b\u4e2d\uff0c\u5728\u8ba8\u8bba\u8fc7\u7a0b\u4e2d\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u4e0d\u9700\u8981\u6807\u51c6\u5316\u3001\u4e3b\u952e\/\u5916\u952e\uff0c\u53ea\u9700\u8981\u7528\u5706\u5708\u548c\u7bad\u5934\u8868\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8208913a08637a6aeb99\/13-0.jpg\" alt=\"WhiteBoard2Model\" \/><\/div>\n<h2>Neo4j\/Neomodel\u7684\u610f\u601d\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>\u6211\u4eec\u4f7f\u7528\u4e86Neo4j\u7684\u5bf9\u8c61\u56fe\u6620\u5c04\u5668\uff08OGM\uff09Neomodel\u6765\u8fdb\u884c\u5efa\u6a21\u3002Neomodel\u9690\u85cf\u4e86Neo4j\u7684Cypher\u67e5\u8be2\u8bed\u8a00\u7684\u590d\u6742\u6027\uff0c\u867d\u7136\u4e00\u5f00\u59cb\u6709\u4e9b\u4ee4\u4eba\u751f\u754f\uff0c\u4f46\u6211\u4eec\u540e\u7aef\u56e2\u961f\u90fd\u559c\u6b22\u4f7f\u7528Python\u3002\u5728Neomodel\u4e2d\uff0c\u5ba2\u6237\u7aef\u548c\u9879\u76ee\u7684\u5bf9\u8c61\u53ca\u5176\u5173\u7cfb\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">Client<\/span><span class=\"p\">(<\/span><span class=\"n\">StructuredNode<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">uid<\/span> <span class=\"o\">=<\/span> <span class=\"n\">UniqueIdProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">StringProperty<\/span><span class=\"p\">(<\/span><span class=\"n\">required<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"c1\"># relationships\r\n<\/span>    <span class=\"n\">instagram<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"n\">InstaUser<\/span><span class=\"p\">,<\/span> <span class=\"s\">'HAS'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">projects<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"s\">'Project'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'OWNS'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Project<\/span><span class=\"p\">(<\/span><span class=\"n\">StructuredNode<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">uid<\/span> <span class=\"o\">=<\/span> <span class=\"n\">UniqueIdProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">StringProperty<\/span><span class=\"p\">(<\/span><span class=\"n\">required<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"c1\"># relationships\r\n<\/span>    <span class=\"n\">hashtags<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"n\">Hashtag<\/span><span class=\"p\">,<\/span> <span class=\"s\">'PROMOTED_WITH'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">campaigns<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"s\">'Campaign'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'CONTAINS'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6bcf\u4e2a\u5ba2\u6237\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u9879\u76ee\u3002\u6bcf\u4e2a\u9879\u76ee\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u6d3b\u52a8\u3002\u9879\u76ee\u901a\u8fc7\u591a\u4e2a\u54c8\u5e0c\u6807\u7b7e\u8fdb\u884c\u63a8\u5e7f\uff0c\u8fd9\u4e9b\u5173\u7cfb\u662f\u7531\u57fa\u6570\u89c4\u5219ZeroOrMore\u8fdb\u884c\u5f3a\u5236\u3002<\/p>\n<p>\u5ba2\u6237\u8fd0\u8425\u7684\u6d3b\u52a8\u53ef\u4ee5\u5177\u6709\u7279\u5b9a\u7684\u54c8\u5e0c\u6807\u7b7e\uff0c\u5e76\u7531\u6ce8\u518c\u5728\u6d3b\u52a8\u4e2d\u7684Instagram\u7528\u6237\u8fdb\u884c\u63a8\u5e7f\u3002\u6d3b\u52a8\u901a\u8fc7\u6807\u8bb0\u3001\u63d0\u53ca\u5ba2\u6237\u7684Instagram\u8d26\u6237\u3001\u4ee5\u53ca\u63a8\u5e7f\u54c8\u5e0c\u6807\u7b7e\u7b49\u591a\u79cd\u65b9\u5f0f\u83b7\u5f97\u53ef\u89c1\u6027\u3002\u6211\u4eec\u5c06\u5176\u5efa\u6a21\u4e3a\u5173\u7cfbAID\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">AidRel<\/span><span class=\"p\">(<\/span><span class=\"n\">StructuredRel<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">AID_TYPE<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"s\">'M'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'mention'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'T'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'tagged'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'H'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'hashtag'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'O'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'manual'<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"nb\">type<\/span> <span class=\"o\">=<\/span> <span class=\"n\">StringProperty<\/span><span class=\"p\">(<\/span><span class=\"n\">choices<\/span><span class=\"o\">=<\/span><span class=\"n\">AID_TYPE<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">StringProperty<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Campaign<\/span><span class=\"p\">(<\/span><span class=\"n\">StructuredNode<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">uid<\/span> <span class=\"o\">=<\/span> <span class=\"n\">UniqueIdProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">StringProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">start<\/span> <span class=\"o\">=<\/span> <span class=\"n\">DateTimeProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">end<\/span> <span class=\"o\">=<\/span> <span class=\"n\">DateTimeProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">url<\/span> <span class=\"o\">=<\/span> <span class=\"n\">StringProperty<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"c1\"># relationships\r\n<\/span>    <span class=\"n\">posts<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"n\">InstaPost<\/span><span class=\"p\">,<\/span> <span class=\"s\">'AID'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">,<\/span> <span class=\"n\">model<\/span><span class=\"o\">=<\/span><span class=\"n\">AidRel<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">entry_users<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"n\">InstaUser<\/span><span class=\"p\">,<\/span> <span class=\"s\">'ENTRY'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">aid_users<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RelationshipTo<\/span><span class=\"p\">(<\/span><span class=\"n\">InstaUser<\/span><span class=\"p\">,<\/span> <span class=\"s\">'PROMOTE_BY'<\/span><span class=\"p\">,<\/span> <span class=\"n\">cardinality<\/span><span class=\"o\">=<\/span><span class=\"n\">ZeroOrMore<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u4e3a\u4e86\u7b80\u6d01\u8d77\u89c1\uff0cInstaUser \u548c InstaPost \u6a21\u578b\u5728\u56fe\u4e2d\u6ca1\u6709\u663e\u793a\u3002<\/p>\n<h2>GraphQL\u548cAriadne<\/h2>\n<p>\u6211\u4eec\u9009\u62e9\u4e86Ariadne\u7684GraphQL\u5e93\u6765\u5b9e\u73b0API\u3002\u8fd9\u662f\u4e00\u79cd\u57fa\u4e8e\u6a21\u5f0f\u7684\u65b9\u6cd5\uff0c\u5148\u7528GraphQL\u67e5\u8be2\u8bed\u8a00\u5bf9API\u8fdb\u884c\u5efa\u6a21\uff0c\u7136\u540e\u5c06\u6570\u636e\u89e3\u6790\u5668\u7ed1\u5b9a\u5230\u6a21\u5f0f\u5b9a\u4e49\u4e2d\u3002<\/p>\n<h3>\u6a21\u5f0f<\/h3>\n<p>GraphQL API\u6703\u5c0d\u6240\u6709API\u5be6\u9ad4\u5f37\u5236\u4f7f\u7528\u985e\u578b\u3002\u9019\u6a23\u4e00\u4f86\uff0cAPI\u8b8a\u5f97\u66f4\u52a0\u5065\u58ef\uff0c\u7528\u6236\u5c0d\u65bcAPI\u7684\u4f7f\u7528\u4e5f\u66f4\u5c11\u51fa\u73fe\u932f\u8aa4\u3002\u985e\u4f3cGraphQL playground\u9019\u6a23\u7684IDE\u80fd\u5920\u8b80\u53d6API\u6a21\u5f0f\uff0c\u4e26\u5728\u767c\u9001\u67e5\u8a62\u4e4b\u524d\u5c0d\u67e5\u8a62\u9032\u884c\u9a57\u8b49\uff0c\u9019\u5c0d\u65bc\u524d\u7aef\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4f7f\u7528GraphQL API\u9032\u884c\u958b\u767c\u662f\u975e\u5e38\u8212\u9069\u7684\u9ad4\u9a57\u3002<\/p>\n<p>GraphQL API\u7684\u8a2d\u8a08\u76ee\u6a19\u662f\u8868\u793a\u57fa\u790e\u6578\u64da\u6a21\u578b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4e0d\u540c\u985e\u578b\u4e4b\u9593\u7684\u95dc\u806f\u6027\uff0c\u800c\u4e0d\u9700\u8981\u592a\u5728\u610f\u6d88\u8cbb\u8005\u5982\u4f55\u4f7f\u7528\u3002\u6700\u7d42\uff0c\u5c07\u6578\u64da\u6a21\u578b\u7684\u7bc0\u9ede\u985e\u578b\u6620\u5c04\u5230\u4e00\u5c0d\u4e00\u7684GraphQL\u985e\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Client<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">uid<\/span> <span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span>\r\n    <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n    <span class=\"n\">user<\/span><span class=\"p\">:<\/span> <span class=\"n\">User<\/span>\r\n    <span class=\"n\">instagram<\/span><span class=\"p\">:<\/span> <span class=\"n\">InstaUser<\/span>\r\n    <span class=\"n\">projects<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Project<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">Project<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">uid<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span>\r\n    <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n    <span class=\"n\">hashtags<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Hashtag<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">campaigns<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Campaign<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u83b7\u53d6\u5173\u7cfb\u6570\u636e\uff08\u5c06\u6570\u636e\u653e\u7f6e\u5728\u8fb9\u800c\u4e0d\u662f\u8282\u70b9\u4e0a\uff09\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u79cd\u65b0\u7c7b\u578b\uff0c\u540d\u4e3aAidRelInstaPost\uff0c\u4ee5\u4fbf\u805a\u5408\u5173\u7cfb\u6570\u636e\uff08AidRel\uff09\u548c\u5bf9\u5e94\u7684\u8282\u70b9\u6570\u636e\uff08InstaPost\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Campaign<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">uid<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span>\r\n    <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n    <span class=\"n\">start<\/span><span class=\"p\">:<\/span> <span class=\"n\">DateTime<\/span>\r\n    <span class=\"n\">end<\/span><span class=\"p\">:<\/span> <span class=\"n\">DateTime<\/span>\r\n    <span class=\"n\">url<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n    <span class=\"n\">posts<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">InstaPost<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">aid_users<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">InstaUser<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">aid_rel_posts<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">AidRelInstaPost<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">AidRelInstaPost<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">aid<\/span><span class=\"p\">:<\/span> <span class=\"n\">AidRel<\/span>  <span class=\"c\"># edge data<\/span>\r\n    <span class=\"n\">post<\/span><span class=\"p\">:<\/span> <span class=\"n\">InstaPost<\/span> <span class=\"c\"># node data<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u89e3\u51b3\u8005<\/h3>\n<p>GraphQL\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u4e14\u7075\u6d3b\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u4f7f\u7528\u79f0\u4e3a\u89e3\u6790\u5668\uff08reslolver\uff09\u7684\u673a\u5236\u6765\u67e5\u8be2\u7c7b\u578b\u5b57\u6bb5\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u6807\u91cf\u5b57\u6bb5\uff08\u5982ID\u3001String\u3001Int\u7b49\uff09\uff0c\u65e0\u9700\u51c6\u5907\u89e3\u6790\u5668\u3002\u56e0\u4e3aAriadne\u4f1a\u81ea\u7136\u5730\u5c06Neomodel\u6570\u636e\u5bf9\u8c61\u7684\u5b57\u6bb5\u540d\u6620\u5c04\u5230\u76f8\u5e94\u7684GraphQL\u7c7b\u578b\u5b57\u6bb5\u540d\u3002\u5bf9\u4e8e\u6570\u7ec4\u5b57\u6bb5\uff0c\u7ed3\u679c\u901a\u5e38\u4f1a\u5c11\u4e8e90%\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">@<\/span><span class=\"n\">campaign<\/span><span class=\"p\">.<\/span><span class=\"n\">field<\/span><span class=\"p\">(<\/span><span class=\"s\">\"posts\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">def<\/span> <span class=\"nf\">reslove_campaign_posts<\/span><span class=\"p\">(<\/span><span class=\"n\">campaign<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">_<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">campaign<\/span><span class=\"p\">.<\/span><span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"nb\">all<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<p>\u5bf9\u4e8e\u5305\u542b\u8fb9\u7f18\u548c\u8282\u70b9\u4fe1\u606f\u7684\u6df7\u5408\u7c7b\u578b\uff0c\u6211\u5fc5\u987b\u4f9d\u8d56Neo4j Cypher\u67e5\u8be2\u8bed\u8a00\u6765\u83b7\u53d6\u6784\u5efa\u6570\u636e\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">@<\/span><span class=\"n\">campaign<\/span><span class=\"p\">.<\/span><span class=\"n\">field<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aid_rel_posts\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">def<\/span> <span class=\"nf\">reslove_campaign_aid_rel_post<\/span><span class=\"p\">(<\/span><span class=\"n\">campaign<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">_<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">query<\/span> <span class=\"o\">=<\/span> <span class=\"sa\">f<\/span><span class=\"s\">\"\"\"\r\n    MATCH (c:Campaign)-[a:AID_BY]-&gt;(p:InstaPost)\r\n    WHERE c.uid = '<\/span><span class=\"si\">{<\/span><span class=\"n\">campaign<\/span><span class=\"p\">.<\/span><span class=\"n\">uid<\/span><span class=\"si\">}<\/span><span class=\"s\">'\r\n    RETURN a, p\r\n    \"\"\"<\/span>\r\n    <span class=\"n\">results<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">=<\/span> <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">cypher_query<\/span><span class=\"p\">(<\/span><span class=\"n\">query<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"c1\"># Create AidRelInstaPost objects\r\n<\/span>    <span class=\"n\">res<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[{<\/span><span class=\"s\">'aid'<\/span><span class=\"p\">:<\/span> <span class=\"n\">AidRel<\/span><span class=\"p\">.<\/span><span class=\"n\">inflate<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]),<\/span>\r\n            <span class=\"s\">'post'<\/span><span class=\"p\">:<\/span> <span class=\"n\">InstaPost<\/span><span class=\"p\">.<\/span><span class=\"n\">inflate<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">])}<\/span> <span class=\"k\">for<\/span> <span class=\"n\">r<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">results<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">res<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528GraphQL\u6765\u8868\u793a\u6570\u636e\u6a21\u578b\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u67e5\u8be2 getProjects \u67e5\u8be2\u6765\u68c0\u7d22\u4e0e\u9879\u76ee\u76f8\u5173\u7684\u6240\u6709\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">getProjects<\/span><span class=\"p\">(<\/span><span class=\"n\">project<\/span><span class=\"p\">:<\/span> <span class=\"n\">ProjectQueryInput<\/span><span class=\"p\">):<\/span> <span class=\"p\">[<\/span><span class=\"n\">Project<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">ProjectQueryInput<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\"># project by uid<\/span>\r\n    <span class=\"n\">uid<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span>\r\n    <span class=\"c\"># project query by client.uid or .name and project.name<\/span>\r\n    <span class=\"n\">client_uid<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span>\r\n    <span class=\"n\">client_name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n    <span class=\"n\">project_name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u901a\u8fc7\u4f7f\u7528GraphQL\u7684\u9009\u9879\u5b57\u6bb5\uff0c\u60a8\u53ef\u4ee5\u5728QueryInput\u5b57\u6bb5\u4e2d\u4ee5\u4e0d\u540c\u6761\u4ef6\u6267\u884c\u67e5\u8be2\u3002\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528uid\u3001client_id\u548cproject_name\u7684\u7ec4\u5408\uff0c\u6216\u8005client_name\u548cproject_name\u7684\u7ec4\u5408\u6765\u67e5\u8be2\u9879\u76ee\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u5c06\u67e5\u8be2\u9a8c\u8bc1\u7559\u7ed9\u4e86\u67e5\u8be2\u89e3\u6790\u5668\u3002<\/p>\n<h3>\u6570\u636e\u67e5\u8be2<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8208913a08637a6aeb99\/36-0.png\" alt=\"Campaign In Neo4j\" \/><\/div>\n<p>getProjects\u67e5\u8be2\u53ef\u4ee5\u4ece\u8fd9\u4e9b\u8282\u70b9\u7684\u4efb\u4f55\u4e00\u4e2a\u5bf9\u8c61\u4e2d\u8bf7\u6c42\u6240\u9700\u5b57\u6bb5\u3002\u4f8b\u5982\uff0c\u751f\u6210\u9879\u76ee\u62a5\u544a\u7684\u67e5\u8be2\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"n\">getProjects<\/span><span class=\"p\">(<\/span><span class=\"n\">project<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n       <span class=\"c\"># all projects or criteria<\/span>\r\n  <span class=\"p\">})<\/span> <span class=\"p\">{<\/span>\r\n   <span class=\"c\"># Project attributes <\/span>\r\n    <span class=\"n\">uid<\/span>\r\n    <span class=\"n\">name<\/span>\r\n    <span class=\"n\">hashtags<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">tag_id<\/span>\r\n      <span class=\"n\">name<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">campaigns<\/span> <span class=\"p\">{<\/span> <span class=\"c\"># Campaign attributes<\/span>\r\n      <span class=\"n\">uid<\/span>\r\n      <span class=\"n\">name<\/span>\r\n      <span class=\"n\">start<\/span>\r\n      <span class=\"n\">end<\/span>\r\n      <span class=\"n\">url<\/span>\r\n      <span class=\"n\">posts<\/span> <span class=\"p\">{<\/span> <span class=\"c\"># Post attributes<\/span>\r\n        <span class=\"n\">post_id<\/span>\r\n        <span class=\"n\">shortcode<\/span>\r\n        <span class=\"n\">media<\/span><span class=\"p\">(<\/span><span class=\"n\">first<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"c\"># media selection: only first one<\/span>\r\n          <span class=\"n\">display_url<\/span>\r\n          <span class=\"n\">media_id<\/span>\r\n          <span class=\"n\">shortcode<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"n\">entry_users<\/span> <span class=\"p\">{<\/span> <span class=\"c\"># entry user attributes<\/span>\r\n        <span class=\"n\">ig_id<\/span>\r\n        <span class=\"n\">username<\/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>\u524d\u7aef\u53ef\u4ee5\u83b7\u53d6\u4efb\u610f\u6570\u636e\u5143\u7d20\uff0c\u89e3\u6790\u5668\u4ec5\u5bf9\u8bf7\u6c42\u7684\u5143\u7d20\u6267\u884c\u3002\u4e0b\u56fe\u5c55\u793a\u4e86\u5728GraphQL Playground\u4e2d\u63d0\u4f9b\u7684\u4e0a\u8ff0\u67e5\u8be2\u3002\u8fd9\u79cd\u5de5\u5177\u53ef\u4ee5\u7b80\u5316\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u7684\u67e5\u8be2\u914d\u7f6e\u3002\u81ea\u52a8\u8865\u5168\u548c\u9519\u8bef\u5904\u7406\u53ef\u4ee5\u52a0\u5feb\u5f00\u53d1\u8fc7\u7a0b\uff0c\u5e76\u80fd\u591f\u4ee5\u8f83\u5c11\u7684\u901a\u4fe1\u5f00\u9500\u9002\u5e94API\u89c4\u8303\u7684\u66f4\u6539\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8208913a08637a6aeb99\/40-0.png\" alt=\"GraphQL Playground\" \/><\/div>\n<p>\u4e3a\u4e86\u63d0\u4f9b\u8425\u9500\u6d3b\u52a8\u5ba2\u6237\u62a5\u544a\u6240\u9700\u7684\u67e5\u8be2\u6570\u636e\u7684\u524d\u7aef\u6e32\u67d3\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8208913a08637a6aeb99\/42-0.jpg\" alt=\"2020Mask Campaign\" \/><\/div>\n<h2>\u6700\u7ec8\/\u6700\u540e 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