{"id":179358,"date":"2024-11-09T01:09:20","date_gmt":"2024-11-08T17:09:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179358\/"},"modified":"2024-11-09T01:09:21","modified_gmt":"2024-11-08T17:09:21","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%be%86%e4%bf%9d%e5%ad%98%e6%95%b8%e7%b5%84%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab-%e4%bf%9d%e5%ad%98%e6%95%b8%e7%b5%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179358\/","title":{"rendered":"\u5982\u4f55\u7528\u6578\u64da\u5eab\u4f86\u4fdd\u5b58\u6578\u7d44\uff1f (\u6578\u64da\u5eab \u4fdd\u5b58\u6578\u7d44)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%be%86%e4%bf%9d%e5%ad%98%e6%95%b8%e7%b5%84%ef%bc%9f-cEbOvRTgjJ\">\u5982\u4f55\u7528\u6578\u64da\u5eab\u4f86\u4fdd\u5b58\u6578\u7d44\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u8655\u7406\u5404\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u6578\u7d44\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u985e\u578b\u3002\u90a3\u9ebc\uff0c\u5982\u4f55\u6709\u6548\u5730\u5c07\u6578\u7d44\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\u5462\uff1f\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%95%b8%e7%b5%84%e7%9a%84%e5%ae%9a%e7%be%a9%e8%88%87%e7%89%b9%e6%80%a7-cEbOvRTgjJ\">\u6578\u7d44\u7684\u5b9a\u7fa9\u8207\u7279\u6027<\/h2>\n<p>\u6578\u7d44\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u5b58\u5132\u591a\u500b\u76f8\u540c\u985e\u578b\u7684\u5143\u7d20\u3002\u5b83\u7684\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u56fa\u5b9a\u5927\u5c0f\uff1a\u6578\u7d44\u7684\u5927\u5c0f\u5728\u5275\u5efa\u6642\u78ba\u5b9a\uff0c\u7121\u6cd5\u52d5\u614b\u6539\u8b8a\u3002<\/li>\n<li>\u96a8\u6a5f\u8a2a\u554f\uff1a\u53ef\u4ee5\u901a\u904e\u7d22\u5f15\u5feb\u901f\u8a2a\u554f\u4efb\u610f\u5143\u7d20\u3002<\/li>\n<li>\u76f8\u540c\u985e\u578b\uff1a\u6578\u7d44\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5fc5\u9808\u662f\u76f8\u540c\u985e\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e4%bf%9d%e5%ad%98%e6%95%b8%e7%b5%84%e7%9a%84%e5%b8%b8%e8%a6%8b%e6%96%b9%e6%b3%95-cEbOvRTgjJ\">\u6578\u64da\u5eab\u4e2d\u4fdd\u5b58\u6578\u7d44\u7684\u5e38\u898b\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%97%9c%e8%81%af%e8%a1%a8-cEbOvRTgjJ\">1. \u4f7f\u7528\u95dc\u806f\u8868<\/h3>\n<p>\u6700\u5e38\u898b\u7684\u65b9\u6cd5\u662f\u5c07\u6578\u7d44\u7684\u6bcf\u500b\u5143\u7d20\u4f5c\u70ba\u4e00\u884c\u5b58\u5132\u5728\u95dc\u806f\u8868\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u7d50\u69cb\u6e05\u6670\uff0c\u6613\u65bc\u67e5\u8a62\u548c\u7dad\u8b77\u3002<\/p>\n<pre><code>CREATE TABLE array_data (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    array_value VARCHAR(255) NOT NULL\n);\n<\/code><\/pre>\n<p>\u63d2\u5165\u6578\u7d44\u5143\u7d20\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO array_data (array_value) VALUES ('\u5143\u7d201'), ('\u5143\u7d202'), ('\u5143\u7d203');\n<\/code><\/pre>\n<p>\u67e5\u8a62\u6578\u7d44\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT array_value FROM array_data;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8json%e6%a0%bc%e5%bc%8f-cEbOvRTgjJ\">2. \u4f7f\u7528JSON\u683c\u5f0f<\/h3>\n<p>\u8a31\u591a\u73fe\u4ee3\u6578\u64da\u5eab\uff08\u5982MySQL\u548cPostgreSQL\uff09\u652f\u6301JSON\u6578\u64da\u985e\u578b\uff0c\u9019\u4f7f\u5f97\u5c07\u6578\u7d44\u4ee5JSON\u683c\u5f0f\u5b58\u5132\u8b8a\u5f97\u7c21\u55ae\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u53ef\u4ee5\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\u5b58\u5132\u6574\u500b\u6578\u7d44\uff0c\u4e26\u4e14\u53ef\u4ee5\u65b9\u4fbf\u5730\u9032\u884c\u67e5\u8a62\u3002<\/p>\n<pre><code>CREATE TABLE json_array_data (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    array_data JSON NOT NULL\n);\n<\/code><\/pre>\n<p>\u63d2\u5165\u6578\u7d44\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO json_array_data (array_data) VALUES ('[\"\u5143\u7d201\", \"\u5143\u7d202\", \"\u5143\u7d203\"]');\n<\/code><\/pre>\n<p>\u67e5\u8a62\u6578\u7d44\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT JSON_EXTRACT(array_data, '$[0]') AS first_element FROM json_array_data;\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%ba%8f%e5%88%97%e5%8c%96%e5%ad%97%e7%ac%a6%e4%b8%b2-cEbOvRTgjJ\">3. \u4f7f\u7528\u5e8f\u5217\u5316\u5b57\u7b26\u4e32<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u5c07\u6578\u7d44\u5e8f\u5217\u5316\u70ba\u5b57\u7b26\u4e32\uff0c\u7136\u5f8c\u5c07\u5176\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u7f3a\u9ede\u662f\u67e5\u8a62\u548c\u7dad\u8b77\u6703\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u4ecd\u7136\u662f\u53ef\u884c\u7684\u3002<\/p>\n<pre><code>CREATE TABLE serialized_array_data (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    array_data TEXT NOT NULL\n);\n<\/code><\/pre>\n<p>\u63d2\u5165\u6578\u7d44\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO serialized_array_data (array_data) VALUES ('\u5143\u7d201,\u5143\u7d202,\u5143\u7d203');\n<\/code><\/pre>\n<p>\u67e5\u8a62\u6578\u7d44\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT array_data FROM serialized_array_data;\n<\/code><\/pre>\n<h2 id=\"%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e6%96%b9%e6%b3%95-cEbOvRTgjJ\">\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5<\/h2>\n<p>\u9078\u64c7\u54ea\u7a2e\u65b9\u6cd5\u4f86\u4fdd\u5b58\u6578\u7d44\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u548c\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u983b\u7e41\u67e5\u8a62\u548c\u66f4\u65b0\u6578\u7d44\u4e2d\u7684\u5143\u7d20\uff0c\u4f7f\u7528\u95dc\u806f\u8868\u6216JSON\u683c\u5f0f\u6703\u66f4\u5408\u9069\u3002\u5982\u679c\u6578\u7d44\u7684\u7d50\u69cb\u76f8\u5c0d\u56fa\u5b9a\u4e14\u4e0d\u9700\u8981\u983b\u7e41\u64cd\u4f5c\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cEbOvRTgjJ\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u4fdd\u5b58\u6578\u7d44\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u65b9\u6848\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u95dc\u806f\u8868\u3001JSON\u683c\u5f0f\u9084\u662f\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\uff0c\u6bcf\u7a2e\u65b9\u6cd5\u90fd\u6709\u5176\u512a\u7f3a\u9ede\u3002\u4e86\u89e3\u9019\u4e9b\u65b9\u6cd5\u7684\u7279\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u6578\u64da\u5eab\u6709\u6548\u4fdd\u5b58\u6578\u7d44\uff0c\u63a2\u7d22\u4e0d\u540c\u7684\u6578\u64da\u7d50\u69cb\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-179358","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179358","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=179358"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179358\/revisions"}],"predecessor-version":[{"id":179359,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179358\/revisions\/179359"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}