{"id":135117,"date":"2024-10-31T07:59:35","date_gmt":"2024-10-30T23:59:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135117\/"},"modified":"2024-10-31T07:59:36","modified_gmt":"2024-10-30T23:59:36","slug":"spring%e8%aa%8d%e8%ad%89%e6%8c%87%e5%8d%97%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8neo4j%e7%9a%84nosql%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e4%b8%ad%e6%8c%81%e4%b9%85%e5%8c%96%e5%b0%8d%e8%b1%a1%e5%92%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135117\/","title":{"rendered":"Spring\u8a8d\u8b49\u6307\u5357\uff1a\u5982\u4f55\u5728Neo4j\u7684NoSQL\u6578\u64da\u5b58\u5132\u4e2d\u6301\u4e45\u5316\u5c0d\u8c61\u548c\u95dc\u4fc2"},"content":{"rendered":"<h1 id=\"spring%e8%aa%8d%e8%ad%89%e6%8c%87%e5%8d%97%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8neo4j%e7%9a%84nosql%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e4%b8%ad%e6%8c%81%e4%b9%85%e5%8c%96%e5%b0%8d%e8%b1%a1%e5%92%8c-HUNklcCBZq\">Spring\u8a8d\u8b49\u6307\u5357\uff1a\u5982\u4f55\u5728Neo4j\u7684NoSQL\u6578\u64da\u5b58\u5132\u4e2d\u6301\u4e45\u5316\u5c0d\u8c61\u548c\u95dc\u4fc2<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002Neo4j\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u5c08\u6ce8\u65bc\u5716\u5f62\u6578\u64da\u7684\u5b58\u5132\u548c\u67e5\u8a62\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u8655\u7406\u8907\u96dc\u95dc\u4fc2\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Spring\u6846\u67b6\u4f86\u6301\u4e45\u5316\u5c0d\u8c61\u548c\u95dc\u4fc2\u5230Neo4j\u4e2d\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afneo4j%ef%bc%9f-HUNklcCBZq\">\u4ec0\u9ebc\u662fNeo4j\uff1f<\/h2>\n<p>Neo4j\u662f\u4e00\u500b\u57fa\u65bc\u5716\u5f62\u7684NoSQL\u6578\u64da\u5eab\uff0c\u5c08\u70ba\u8655\u7406\u9ad8\u5ea6\u4e92\u806f\u7684\u6578\u64da\u800c\u8a2d\u8a08\u3002\u8207\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e0d\u540c\uff0cNeo4j\u4f7f\u7528\u5716\u5f62\u7d50\u69cb\u4f86\u8868\u793a\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u67e5\u8a62\u548c\u64cd\u4f5c\u8907\u96dc\u95dc\u4fc2\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u5b83\u7684\u6838\u5fc3\u6982\u5ff5\u5305\u62ec\u7bc0\u9ede\uff08nodes\uff09\u3001\u95dc\u4fc2\uff08relationships\uff09\u548c\u5c6c\u6027\uff08properties\uff09\uff0c\u9019\u4e9b\u5143\u7d20\u5171\u540c\u69cb\u6210\u4e86\u5716\u5f62\u6578\u64da\u6a21\u578b\u3002<\/p>\n<h2 id=\"spring-data-neo4j%e7%b0%a1%e4%bb%8b-HUNklcCBZq\">Spring Data Neo4j\u7c21\u4ecb<\/h2>\n<p>Spring Data Neo4j\u662f\u4e00\u500bSpring\u6846\u67b6\u7684\u64f4\u5c55\uff0c\u65e8\u5728\u7c21\u5316\u8207Neo4j\u7684\u96c6\u6210\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7d44\u5f37\u5927\u7684API\uff0c\u4f7f\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u5c07Java\u5c0d\u8c61\u6620\u5c04\u5230Neo4j\u7684\u5716\u5f62\u7d50\u69cb\u4e2d\u3002\u9019\u7a2e\u6620\u5c04\u904e\u7a0b\u7a31\u70ba\u5c0d\u8c61-\u5716\u5f62\u6620\u5c04\uff08Object-Graph Mapping, OGM\uff09\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%aespring-data-neo4j-HUNklcCBZq\">\u8a2d\u7f6eSpring Data Neo4j<\/h3>\n<p>\u8981\u958b\u59cb\u4f7f\u7528Spring Data Neo4j\uff0c\u9996\u5148\u9700\u8981\u5728\u9805\u76ee\u7684\u4f9d\u8cf4\u7ba1\u7406\u4e2d\u6dfb\u52a0\u76f8\u95dc\u7684\u4f9d\u8cf4\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Maven\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n    &lt;artifactId&gt;spring-boot-starter-data-neo4j&lt;\/artifactId&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u914d\u7f6eNeo4j\u7684\u9023\u63a5\u4fe1\u606f\u3002\u5728\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u914d\u7f6e\u6587\u4ef6\u4e2d\uff08\u5982application.properties\uff09\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>\nspring.data.neo4j.uri=bolt:\/\/localhost:7687\nspring.data.neo4j.username=neo4j\nspring.data.neo4j.password=your_password\n<\/code><\/pre>\n<h3 id=\"%e5%ae%9a%e7%be%a9%e5%af%a6%e9%ab%94%e9%a1%9e-HUNklcCBZq\">\u5b9a\u7fa9\u5be6\u9ad4\u985e<\/h3>\n<p>\u5728Spring Data Neo4j\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u8a3b\u89e3\u4f86\u5b9a\u7fa9\u5be6\u9ad4\u985e\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5b9a\u7fa9\u4e00\u500b\u7528\u6236\u548c\u4ed6\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\uff1a<\/p>\n<pre><code>\nimport org.springframework.data.annotation.Id;\nimport org.springframework.data.neo4j.core.schema.Node;\nimport org.springframework.data.neo4j.core.schema.Relationship;\n\n@Node\npublic class User {\n    @Id\n    private Long id;\n    private String name;\n\n    @Relationship(type = \"FRIENDS_WITH\")\n    private List&lt;User&gt; friends;\n\n    \/\/ getters and setters\n}\n<\/code><\/pre>\n<h3 id=\"%e6%8c%81%e4%b9%85%e5%8c%96%e5%b0%8d%e8%b1%a1%e5%92%8c%e9%97%9c%e4%bf%82-HUNklcCBZq\">\u6301\u4e45\u5316\u5c0d\u8c61\u548c\u95dc\u4fc2<\/h3>\n<p>\u4e00\u65e6\u5b9a\u7fa9\u4e86\u5be6\u9ad4\u985e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Spring Data Neo4j\u7684Repository\u63a5\u53e3\u4f86\u6301\u4e45\u5316\u5c0d\u8c61\u548c\u95dc\u4fc2\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4fdd\u5b58\u7528\u6236\u53ca\u5176\u670b\u53cb\u95dc\u4fc2\uff1a<\/p>\n<pre><code>\nimport org.springframework.data.neo4j.repository.Neo4jRepository;\n\npublic interface UserRepository extends Neo4jRepository&lt;User, Long&gt; {\n}\n<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5728\u670d\u52d9\u5c64\u4e2d\u4f7f\u7528\u9019\u500bRepository\u4f86\u4fdd\u5b58\u7528\u6236\uff1a<\/p>\n<pre><code>\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.stereotype.Service;\n\n@Service\npublic class UserService {\n    @Autowired\n    private UserRepository userRepository;\n\n    public void createUser(String name) {\n        User user = new User();\n        user.setName(name);\n        userRepository.save(user);\n    }\n\n    public void addFriend(Long userId, Long friendId) {\n        User user = userRepository.findById(userId).orElseThrow();\n        User friend = userRepository.findById(friendId).orElseThrow();\n        user.getFriends().add(friend);\n        userRepository.save(user);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-HUNklcCBZq\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Spring Data Neo4j\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07Java\u5c0d\u8c61\u6301\u4e45\u5316\u5230Neo4j\u4e2d\uff0c\u4e26\u6709\u6548\u5730\u7ba1\u7406\u5c0d\u8c61\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u4f7f\u5f97\u6578\u64da\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c0\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u95dc\u4fc2\u7684\u8907\u96dc\u5316\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4e26\u5229\u7528Neo4j\u7684\u5f37\u5927\u529f\u80fd\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Spring\u8a8d\u8b49\u6307\u5357\uff0c\u5b78\u7fd2\u5982\u4f55\u5728Neo4j NoSQL\u6578\u64da\u5b58\u5132\u4e2d\u6709\u6548\u6301\u4e45\u5316\u5c0d\u8c61\u548c\u95dc\u4fc2\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6280\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-135117","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=135117"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135117\/revisions"}],"predecessor-version":[{"id":135118,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135117\/revisions\/135118"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}