{"id":185762,"date":"2024-11-11T00:17:25","date_gmt":"2024-11-10T16:17:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185762\/"},"modified":"2024-11-11T00:17:25","modified_gmt":"2024-11-10T16:17:25","slug":"%e6%95%b8%e6%93%9a%ef%bc%9f%e5%a6%82%e4%bd%95%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8%e6%95%b8%e6%93%9a%ef%bc%9f%ef%bc%88%e6%80%8e%e9%ba%bc%e5%be%9elist","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185762\/","title":{"rendered":"\u6578\u64da\uff1f\u5982\u4f55\u63d0\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5217\u8868\u6578\u64da\uff1f\uff08\u600e\u9ebc\u5f9elist\u4e2d\u53d6\u51fa\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%ef%bc%9f%e5%a6%82%e4%bd%95%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8%e6%95%b8%e6%93%9a%ef%bc%9f%ef%bc%88%e6%80%8e%e9%ba%bc%e5%be%9elist-kucElQXejv\">\u6578\u64da\uff1f\u5982\u4f55\u63d0\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5217\u8868\u6578\u64da\uff1f\uff08\u600e\u9ebc\u5f9elist\u4e2d\u53d6\u51fa\u6578\u64da\u5eab\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u500b\u4eba\uff0c\u80fd\u5920\u6709\u6548\u5730\u63d0\u53d6\u548c\u8655\u7406\u6578\u64da\u90fd\u662f\u4e00\u9805\u95dc\u9375\u6280\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u5217\u8868\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-kucElQXejv\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u6bcf\u500b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u5217\u5247\u4ee3\u8868\u5c6c\u6027\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u662f\u7528\u4f86\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ec MySQL\u3001PostgreSQL\u3001SQLite \u548c Microsoft SQL Server \u7b49\u3002<\/p>\n<h2 id=\"%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-kucElQXejv\">\u63d0\u53d6\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u63d0\u53d6\u6578\u64da\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u6578\u64da\u5eab\uff1a<\/strong>\u4f7f\u7528\u9069\u7576\u7684\u9a45\u52d5\u7a0b\u5e8f\u548c\u9023\u63a5\u5b57\u7b26\u4e32\u4f86\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u57f7\u884c\u67e5\u8a62\uff1a<\/strong>\u4f7f\u7528 SQL \u8a9e\u8a00\u7de8\u5beb\u67e5\u8a62\u8a9e\u53e5\uff0c\u4ee5\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u8655\u7406\u7d50\u679c\uff1a<\/strong>\u5c07\u67e5\u8a62\u7d50\u679c\u8f49\u63db\u70ba\u53ef\u7528\u7684\u683c\u5f0f\uff0c\u4f8b\u5982\u5217\u8868\u6216\u5b57\u5178\u3002<\/li>\n<li><strong>\u95dc\u9589\u9023\u63a5\uff1a<\/strong>\u5728\u5b8c\u6210\u64cd\u4f5c\u5f8c\uff0c\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-sql-%e6%8f%90%e5%8f%96%e5%88%97%e8%a1%a8%e6%95%b8%e6%93%9a-kucElQXejv\">\u4f7f\u7528 SQL \u63d0\u53d6\u5217\u8868\u6578\u64da<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u63d0\u53d6\u5217\u8868\u6578\u64da\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>products<\/code> \u7684\u8868\u683c\uff0c\u5305\u542b\u7522\u54c1\u7684\u76f8\u95dc\u4fe1\u606f\u3002<\/p>\n<pre><code>SELECT * FROM products;<\/code><\/pre>\n<p>\u9019\u689d SQL \u8a9e\u53e5\u5c07\u63d0\u53d6 <code>products<\/code> \u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002\u5982\u679c\u6211\u5011\u53ea\u60f3\u63d0\u53d6\u7279\u5b9a\u7684\u5217\uff0c\u4f8b\u5982\u7522\u54c1\u540d\u7a31\u548c\u50f9\u683c\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT product_name, price FROM products;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-python-%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a-kucElQXejv\">\u4f7f\u7528 Python \u63d0\u53d6\u6578\u64da<\/h2>\n<p>\u5728 Python \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>mysql-connector-python<\/code> \u5eab\u4f86\u9023\u63a5 MySQL \u6578\u64da\u5eab\u4e26\u63d0\u53d6\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import mysql.connector\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\ndb = mysql.connector.connect(\n    host=\"localhost\",\n    user=\"yourusername\",\n    password=\"yourpassword\",\n    database=\"yourdatabase\"\n)\n\ncursor = db.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT product_name, price FROM products\")\n\n# \u7372\u53d6\u6240\u6709\u7d50\u679c\nresults = cursor.fetchall()\n\n# \u5c07\u7d50\u679c\u8f49\u63db\u70ba\u5217\u8868\nproduct_list = []\nfor row in results:\n    product_list.append({\"name\": row[0], \"price\": row[1]})\n\n# \u8f38\u51fa\u7d50\u679c\nprint(product_list)\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\ndb.close()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u57f7\u884c\u67e5\u8a62\u4ee5\u63d0\u53d6\u7522\u54c1\u540d\u7a31\u548c\u50f9\u683c\u3002\u63a5\u8457\uff0c\u6211\u5011\u5c07\u7d50\u679c\u8f49\u63db\u70ba\u4e00\u500b\u5b57\u5178\u5217\u8868\uff0c\u65b9\u4fbf\u5f8c\u7e8c\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kucElQXejv\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5217\u8868\u6578\u64da\u662f\u4e00\u9805\u57fa\u672c\u800c\u91cd\u8981\u7684\u6280\u80fd\uff0c\u7121\u8ad6\u662f\u5728\u6578\u64da\u5206\u6790\u3001\u5831\u544a\u751f\u6210\u9084\u662f\u61c9\u7528\u958b\u767c\u4e2d\u90fd\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002\u901a\u904e\u4f7f\u7528 SQL \u8a9e\u8a00\u548c\u9069\u7576\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u904b\u884c\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u5217\u8868\u6578\u64da\uff0c\u638c\u63e1\u6709\u6548\u7684\u6578\u64da\u63d0\u53d6\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u8207\u5206\u6790\u80fd\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-185762","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185762","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=185762"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185762\/revisions"}],"predecessor-version":[{"id":185763,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185762\/revisions\/185763"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}