{"id":180364,"date":"2024-11-09T09:39:29","date_gmt":"2024-11-09T01:39:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180364\/"},"modified":"2024-11-09T09:39:30","modified_gmt":"2024-11-09T01:39:30","slug":"%e7%a4%be%e4%ba%a4%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-%e7%a4%be%e4%ba%a4%e9%97%9c%e4%bf%82-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180364\/","title":{"rendered":"\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u91cd\u8981\u6027 (\u793e\u4ea4\u95dc\u4fc2 \u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e7%a4%be%e4%ba%a4%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-dUorRCltmI\">\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u91cd\u8981\u6027<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u5b57\u5316\u7684\u6642\u4ee3\uff0c\u793e\u4ea4\u5a92\u9ad4\u548c\u7db2\u7d61\u5e73\u53f0\u7684\u8208\u8d77\u4f7f\u5f97\u4eba\u5011\u7684\u793e\u4ea4\u95dc\u4fc2\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\uff08Social Relationship Database\uff09\u4f5c\u70ba\u4e00\u7a2e\u5c08\u9580\u7528\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u793e\u4ea4\u95dc\u4fc2\u7684\u6578\u64da\u5eab\uff0c\u6b63\u9010\u6f38\u6210\u70ba\u4f01\u696d\u548c\u7d44\u7e54\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u91cd\u8981\u6027\u53ca\u5176\u5728\u5404\u884c\u5404\u696d\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a4%be%e4%ba%a4%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-dUorRCltmI\">\u4ec0\u9ebc\u662f\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u5c08\u9580\u8a2d\u8a08\u7528\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u793e\u4ea4\u7db2\u7d61\u4e2d\u4eba\u969b\u95dc\u4fc2\u7684\u6578\u64da\u5eab\u3002\u9019\u4e9b\u6578\u64da\u5eab\u4e0d\u50c5\u50c5\u8a18\u9304\u500b\u9ad4\u4e4b\u9593\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u9084\u5305\u62ec\u4ed6\u5011\u4e4b\u9593\u7684\u4e92\u52d5\u3001\u95dc\u4fc2\u5f37\u5ea6\u3001\u5171\u540c\u8208\u8da3\u7b49\u591a\u7dad\u5ea6\u7684\u6578\u64da\u3002\u9019\u4e9b\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7406\u89e3\u5ba2\u6236\u9700\u6c42\uff0c\u63d0\u5347\u670d\u52d9\u8cea\u91cf\u3002<\/p>\n<h2 id=\"%e7%a4%be%e4%ba%a4%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-dUorRCltmI\">\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u91cd\u8981\u6027<\/h2>\n<h3 id=\"1-%e6%8f%90%e5%8d%87%e5%ae%a2%e6%88%b6%e9%97%9c%e4%bf%82%e7%ae%a1%e7%90%86-dUorRCltmI\">1. \u63d0\u5347\u5ba2\u6236\u95dc\u4fc2\u7ba1\u7406<\/h3>\n<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7ba1\u7406\u5ba2\u6236\u95dc\u4fc2\u3002\u901a\u904e\u5206\u6790\u5ba2\u6236\u4e4b\u9593\u7684\u4e92\u52d5\uff0c\u4f01\u696d\u53ef\u4ee5\u8b58\u5225\u51fa\u95dc\u9375\u5ba2\u6236\uff0c\u4e26\u91dd\u5c0d\u6027\u5730\u63d0\u4f9b\u500b\u6027\u5316\u670d\u52d9\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u4f01\u696d\u5229\u7528\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u4f86\u8ffd\u8e64\u5ba2\u6236\u7684\u8cfc\u8cb7\u6b77\u53f2\u548c\u504f\u597d\uff0c\u5f9e\u800c\u5236\u5b9a\u66f4\u6709\u6548\u7684\u71df\u92b7\u7b56\u7565\u3002<\/p>\n<h3 id=\"2-%e4%bf%83%e9%80%b2%e6%a5%ad%e5%8b%99%e6%b1%ba%e7%ad%96-dUorRCltmI\">2. \u4fc3\u9032\u696d\u52d9\u6c7a\u7b56<\/h3>\n<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u63d0\u4f9b\u7684\u6578\u64da\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u505a\u51fa\u66f4\u660e\u667a\u7684\u696d\u52d9\u6c7a\u7b56\u3002\u901a\u904e\u5206\u6790\u793e\u4ea4\u7db2\u7d61\u4e2d\u7684\u6578\u64da\uff0c\u4f01\u696d\u53ef\u4ee5\u8b58\u5225\u5e02\u5834\u8da8\u52e2\u3001\u7af6\u722d\u5c0d\u624b\u7684\u52d5\u614b\u4ee5\u53ca\u6d88\u8cbb\u8005\u884c\u70ba\u7684\u8b8a\u5316\u3002\u9019\u4e9b\u4fe1\u606f\u5c0d\u65bc\u4f01\u696d\u7684\u6230\u7565\u898f\u5283\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3 id=\"3-%e5%a2%9e%e5%bc%b7%e7%a4%be%e4%ba%a4%e5%aa%92%e9%ab%94%e7%87%9f%e9%8a%b7%e6%95%88%e6%9e%9c-dUorRCltmI\">3. \u589e\u5f37\u793e\u4ea4\u5a92\u9ad4\u71df\u92b7\u6548\u679c<\/h3>\n<p>\u5728\u793e\u4ea4\u5a92\u9ad4\u71df\u92b7\u4e2d\uff0c\u4e86\u89e3\u76ee\u6a19\u53d7\u773e\u7684\u793e\u4ea4\u95dc\u4fc2\u81f3\u95dc\u91cd\u8981\u3002\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u5206\u6790\u53d7\u773e\u7684\u793e\u4ea4\u7db2\u7d61\uff0c\u5f9e\u800c\u5236\u5b9a\u66f4\u5177\u91dd\u5c0d\u6027\u7684\u71df\u92b7\u6d3b\u52d5\u3002\u4f8b\u5982\uff0c\u4f01\u696d\u53ef\u4ee5\u901a\u904e\u5206\u6790\u53d7\u773e\u7684\u670b\u53cb\u95dc\u4fc2\uff0c\u4f86\u9078\u64c7\u5408\u9069\u7684\u7db2\u7d05\u9032\u884c\u5408\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u54c1\u724c\u66dd\u5149\u7387\u3002<\/p>\n<h3 id=\"4-%e4%bf%83%e9%80%b2%e5%89%b5%e6%96%b0%e8%88%87%e5%90%88%e4%bd%9c-dUorRCltmI\">4. \u4fc3\u9032\u5275\u65b0\u8207\u5408\u4f5c<\/h3>\n<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u9084\u53ef\u4ee5\u4fc3\u9032\u4f01\u696d\u5167\u90e8\u7684\u5275\u65b0\u8207\u5408\u4f5c\u3002\u901a\u904e\u5206\u6790\u54e1\u5de5\u4e4b\u9593\u7684\u793e\u4ea4\u95dc\u4fc2\uff0c\u4f01\u696d\u53ef\u4ee5\u8b58\u5225\u51fa\u6f5b\u5728\u7684\u5408\u4f5c\u5925\u4f34\uff0c\u4e26\u4fc3\u9032\u8de8\u90e8\u9580\u7684\u5408\u4f5c\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u9084\u80fd\u6fc0\u767c\u5275\u65b0\u601d\u7dad\u3002<\/p>\n<h2 id=\"%e7%a4%be%e4%ba%a4%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-dUorRCltmI\">\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u6280\u8853\u5be6\u73fe<\/h2>\n<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u5be6\u73fe\u901a\u5e38\u4f9d\u8cf4\u65bc\u5716\u6578\u64da\u5eab\u6280\u8853\u3002\u5716\u6578\u64da\u5eab\u80fd\u5920\u9ad8\u6548\u5730\u5b58\u5132\u548c\u67e5\u8a62\u8907\u96dc\u7684\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5716\u6578\u64da\u5eab\u67e5\u8a62\u793a\u4f8b\uff0c\u4f7f\u7528Cypher\u8a9e\u8a00\u4f86\u67e5\u8a62\u67d0\u500b\u7528\u6236\u7684\u670b\u53cb\uff1a<\/p>\n<pre><code>\nMATCH (u:User)-[:FRIEND]-&gt;(f:User)\nWHERE u.name = 'Alice'\nRETURN f.name\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u6240\u6709\u540d\u70baAlice\u7684\u7528\u6236\u7684\u670b\u53cb\u540d\u55ae\uff0c\u5c55\u793a\u4e86\u5716\u6578\u64da\u5eab\u5728\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u5f37\u5927\u80fd\u529b\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-dUorRCltmI\">\u7d50\u8ad6<\/h2>\n<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u5728\u73fe\u4ee3\u5546\u696d\u74b0\u5883\u4e2d\u626e\u6f14\u8457\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002\u5b83\u4e0d\u50c5\u80fd\u63d0\u5347\u5ba2\u6236\u95dc\u4fc2\u7ba1\u7406\uff0c\u9084\u80fd\u4fc3\u9032\u696d\u52d9\u6c7a\u7b56\u3001\u589e\u5f37\u793e\u4ea4\u5a92\u9ad4\u71df\u92b7\u6548\u679c\u4ee5\u53ca\u4fc3\u9032\u5167\u90e8\u5275\u65b0\u8207\u5408\u4f5c\u3002\u96a8\u8457\u6578\u64da\u6280\u8853\u7684\u767c\u5c55\uff0c\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u61c9\u7528\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\uff0c\u6210\u70ba\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5229\u7528\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u4f86\u63d0\u5347\u696d\u52d9\u904b\u71df\u611f\u8208\u8da3\uff0c\u6216\u8005\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u7ba1\u7406\u9700\u6c42\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u793e\u4ea4\u95dc\u4fc2\u6578\u64da\u5eab\u80fd\u6709\u6548\u7ba1\u7406\u4eba\u969b\u7db2\u7d61\uff0c\u4fc3\u9032\u4fe1\u606f\u5171\u4eab\u8207\u5408\u4f5c\uff0c\u63d0\u5347\u6c7a\u7b56\u6548\u7387\uff0c\u589e\u5f37\u5546\u696d\u7af6\u722d\u529b\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-180364","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180364","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=180364"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180364\/revisions"}],"predecessor-version":[{"id":180365,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180364\/revisions\/180365"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}