{"id":187706,"date":"2024-11-11T16:30:17","date_gmt":"2024-11-11T08:30:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187706\/"},"modified":"2024-11-11T16:30:19","modified_gmt":"2024-11-11T08:30:19","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%ad%98%e5%84%b2%e6%95%b8%e7%b5%84%e7%9a%84%e6%96%b9%e6%b3%95%e7%b0%a1%e4%bb%8b-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%b2%e5%ad%98%e4%b8%80%e5%80%8b%e6%95%b8%e7%b5%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187706\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\u7684\u65b9\u6cd5\u7c21\u4ecb (\u6578\u64da\u5eab\u5132\u5b58\u4e00\u500b\u6578\u7d44)"},"content":{"rendered":"

\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\u7684\u65b9\u6cd5\u7c21\u4ecb<\/h1>\n

\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u96a8\u8457\u6578\u64da\u7684\u591a\u6a23\u6027\u548c\u8907\u96dc\u6027\u589e\u52a0\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\u7684\u5e7e\u7a2e\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\uff1f<\/h2>\n

\u6578\u7d44\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u6709\u6548\u5730\u5b58\u5132\u591a\u500b\u76f8\u540c\u985e\u578b\u7684\u6578\u64da\u3002\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u5c07\u4e00\u7d44\u76f8\u95dc\u7684\u6578\u64da\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4f8b\u5982\u7528\u6236\u7684\u8208\u8da3\u611b\u597d\u3001\u7522\u54c1\u7684\u6a19\u7c64\u7b49\u3002\u9019\u6a23\u505a\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u7d44\u7e54\u6027\uff0c\u9084\u80fd\u7c21\u5316\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u7684\u904e\u7a0b\u3002<\/p>\n

\u5b58\u5132\u6578\u7d44\u7684\u5e38\u898b\u65b9\u6cd5<\/h2>\n

1. \u4f7f\u7528JSON\u683c\u5f0f<\/h3>\n

\u8a31\u591a\u73fe\u4ee3\u6578\u64da\u5eab\uff08\u5982PostgreSQL\u548cMySQL\uff09\u652f\u6301JSON\u6578\u64da\u985e\u578b\uff0c\u9019\u4f7f\u5f97\u5b58\u5132\u6578\u7d44\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u6578\u7d44\u8f49\u63db\u70baJSON\u683c\u5f0f\u4e26\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n

-- \u5728PostgreSQL\u4e2d\u5275\u5efa\u4e00\u500b\u8868\uff0c\u4e26\u4f7f\u7528JSONB\u985e\u578b\u5b58\u5132\u6578\u7d44\nCREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100),\n    interests JSONB\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO users (name, interests) VALUES ('Alice', '[\"reading\", \"traveling\", \"cooking\"]');\n<\/code><\/pre>\n
2. \u4f7f\u7528\u95dc\u806f\u8868<\/h3>\n
\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u95dc\u806f\u8868\u4f86\u5b58\u5132\u6578\u7d44\u3002\u9019\u7a2e\u65b9\u6cd5\u6d89\u53ca\u5230\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8868\u4f86\u5b58\u5132\u6578\u7d44\u7684\u6bcf\u500b\u5143\u7d20\uff0c\u4e26\u901a\u904e\u5916\u9375\u8207\u4e3b\u8868\u95dc\u806f\u3002<\/p>\n
-- \u5275\u5efa\u7528\u6236\u8868\nCREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100)\n);\n\n-- \u5275\u5efa\u8208\u8da3\u8868\nCREATE TABLE interests (\n    id SERIAL PRIMARY KEY,\n    user_id INT REFERENCES users(id),\n    interest VARCHAR(100)\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO users (name) VALUES ('Bob');\nINSERT INTO interests (user_id, interest) VALUES (1, 'sports'), (1, 'music'), (1, 'art');\n<\/code><\/pre>\n
3. \u4f7f\u7528\u6578\u7d44\u985e\u578b<\/h3>\n
\u67d0\u4e9b\u6578\u64da\u5eab\uff08\u5982PostgreSQL\uff09\u652f\u6301\u539f\u751f\u7684\u6578\u7d44\u985e\u578b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6578\u7d44\u4f86\u5b58\u5132\u6578\u64da\u3002<\/p>\n
-- \u5728PostgreSQL\u4e2d\u5275\u5efa\u4e00\u500b\u8868\uff0c\u4e26\u4f7f\u7528\u6578\u7d44\u985e\u578b\nCREATE TABLE products (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100),\n    tags TEXT[]\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO products (name, tags) VALUES ('Laptop', '{\"electronics\", \"computers\", \"gadgets\"}');\n<\/code><\/pre>\n
\u67e5\u8a62\u6578\u7d44\u6578\u64da<\/h2>\n
\u7121\u8ad6\u4f7f\u7528\u54ea\u7a2e\u65b9\u6cd5\u5b58\u5132\u6578\u7d44\uff0c\u67e5\u8a62\u6578\u64da\u7684\u65b9\u5f0f\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u67e5\u8a62\u6578\u7d44\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
-- \u67e5\u8a62\u5305\u542b\u7279\u5b9a\u8208\u8da3\u7684\u7528\u6236\nSELECT * FROM users WHERE id IN (SELECT user_id FROM interests WHERE interest = 'music');\n\n-- \u67e5\u8a62\u5305\u542b\u7279\u5b9a\u6a19\u7c64\u7684\u7522\u54c1\nSELECT * FROM products WHERE 'electronics' = ANY(tags);\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\u7684\u65b9\u6cd5\u6709\u591a\u7a2e\u9078\u64c7\uff0c\u5305\u62ec\u4f7f\u7528JSON\u683c\u5f0f\u3001\u95dc\u806f\u8868\u548c\u6578\u7d44\u985e\u578b\u3002\u6bcf\u7a2e\u65b9\u6cd5\u90fd\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u958b\u767c\u8005\u61c9\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u65b9\u6848\u3002\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u767c\u5c55\uff0c\u9019\u4e9b\u65b9\u6cd5\u5c07\u7e7c\u7e8c\u6f14\u8b8a\uff0c\u4ee5\u6eff\u8db3\u4e0d\u65b7\u8b8a\u5316\u7684\u61c9\u7528\u9700\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6578\u7d44\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u6578\u7d44\u985e\u578b\u3001\u7d50\u69cb\u53ca\u5176\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\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-187706","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187706","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=187706"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187706\/revisions"}],"predecessor-version":[{"id":187707,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187706\/revisions\/187707"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}