{"id":173567,"date":"2024-11-07T19:06:19","date_gmt":"2024-11-07T11:06:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173567\/"},"modified":"2024-11-07T19:06:20","modified_gmt":"2024-11-07T11:06:20","slug":"%e5%a6%82%e4%bd%95%e7%b0%a1%e5%96%ae%e9%ab%98%e6%95%88%e5%9c%b0%e5%be%9e%e8%a1%a8%e6%a0%bc%e4%b8%ad%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-%e5%be%9e%e4%b8%80%e5%80%8b%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173567\/","title":{"rendered":"\u5982\u4f55\u7c21\u55ae\u9ad8\u6548\u5730\u5f9e\u8868\u683c\u4e2d\u63d0\u53d6\u6578\u64da\u5eab\u6578\u64da (\u5f9e\u4e00\u500b\u8868\u683c\u63d0\u53d6\u6578\u64da\u5eab\u6578\u64da)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e7%b0%a1%e5%96%ae%e9%ab%98%e6%95%88%e5%9c%b0%e5%be%9e%e8%a1%a8%e6%a0%bc%e4%b8%ad%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-OzuYsAcpij\">\u5982\u4f55\u7c21\u55ae\u9ad8\u6548\u5730\u5f9e\u8868\u683c\u4e2d\u63d0\u53d6\u6578\u64da\u5eab\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u5831\u544a\u3001\u5206\u6790\u9084\u662f\u5176\u4ed6\u7528\u9014\uff0c\u80fd\u5920\u9ad8\u6548\u5730\u5f9e\u8868\u683c\u4e2d\u63d0\u53d6\u6578\u64da\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u7c21\u55ae\u9ad8\u6548\u5730\u5f9e\u8868\u683c\u4e2d\u63d0\u53d6\u6578\u64da\u5eab\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%a0%bc%e7%b5%90%e6%a7%8b-OzuYsAcpij\">\u7406\u89e3\u6578\u64da\u5eab\u8868\u683c\u7d50\u69cb<\/h2>\n<p>\u5728\u958b\u59cb\u63d0\u53d6\u6578\u64da\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3002\u6578\u64da\u5eab\u901a\u5e38\u7531\u591a\u500b\u8868\u683c\u7d44\u6210\uff0c\u6bcf\u500b\u8868\u683c\u5305\u542b\u591a\u500b\u5b57\u6bb5\uff08\u5217\uff09\u548c\u8a18\u9304\uff08\u884c\uff09\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201c\u7528\u6236\u201d\u7684\u8868\u683c\uff0c\u8a72\u8868\u683c\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li>\u7528\u6236ID<\/li>\n<li>\u7528\u6236\u540d<\/li>\n<li>\u96fb\u5b50\u90f5\u4ef6<\/li>\n<li>\u8a3b\u518a\u65e5\u671f<\/li>\n<\/ul>\n<p>\u4e86\u89e3\u9019\u4e9b\u5b57\u6bb5\u7684\u610f\u7fa9\u548c\u6578\u64da\u985e\u578b\u5c07\u5e6b\u52a9\u6211\u5011\u5728\u63d0\u53d6\u6578\u64da\u6642\u505a\u51fa\u6b63\u78ba\u7684\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8sql%e6%9f%a5%e8%a9%a2%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a-OzuYsAcpij\">\u4f7f\u7528SQL\u67e5\u8a62\u63d0\u53d6\u6578\u64da<\/h2>\n<p>\u6700\u5e38\u898b\u7684\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\u7684\u65b9\u6cd5\u662f\u4f7f\u7528SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff0c\u7528\u65bc\u5f9e\u201c\u7528\u6236\u201d\u8868\u683c\u4e2d\u63d0\u53d6\u6240\u6709\u7528\u6236\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM \u7528\u6236;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u201c\u7528\u6236\u201d\u8868\u683c\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002\u5982\u679c\u6211\u5011\u53ea\u60f3\u63d0\u53d6\u7279\u5b9a\u5b57\u6bb5\uff0c\u4f8b\u5982\u7528\u6236\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT \u7528\u6236\u540d, \u96fb\u5b50\u90f5\u4ef6 FROM \u7528\u6236;<\/code><\/pre>\n<h2 id=\"%e9%81%8e%e6%bf%be%e5%92%8c%e6%8e%92%e5%ba%8f%e6%95%b8%e6%93%9a-OzuYsAcpij\">\u904e\u6ffe\u548c\u6392\u5e8f\u6578\u64da<\/h2>\n<p>\u5728\u63d0\u53d6\u6578\u64da\u6642\uff0c\u901a\u5e38\u9700\u8981\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u904e\u6ffe\u6578\u64da\u6216\u5c0d\u6578\u64da\u9032\u884c\u6392\u5e8f\u3002\u53ef\u4ee5\u4f7f\u7528WHERE\u5b50\u53e5\u4f86\u904e\u6ffe\u6578\u64da\uff0c\u4f8b\u5982\u63d0\u53d6\u6240\u6709\u57282023\u5e74\u8a3b\u518a\u7684\u7528\u6236\uff1a<\/p>\n<pre><code>SELECT * FROM \u7528\u6236 WHERE \u8a3b\u518a\u65e5\u671f &gt; '2023-01-01';<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528ORDER BY\u5b50\u53e5\u5c0d\u7d50\u679c\u9032\u884c\u6392\u5e8f\uff0c\u4f8b\u5982\u6309\u8a3b\u518a\u65e5\u671f\u964d\u5e8f\u6392\u5217\uff1a<\/p>\n<pre><code>SELECT * FROM \u7528\u6236 ORDER BY \u8a3b\u518a\u65e5\u671f DESC;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%b7%a8%e7%a8%8b%e8%aa%9e%e8%a8%80%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a-OzuYsAcpij\">\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\u63d0\u53d6\u6578\u64da<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528SQL\u67e5\u8a62\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\uff08\u5982Python\u3001PHP\u7b49\uff09\u4f86\u63d0\u53d6\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u548cSQLite\u5eab\u63d0\u53d6\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import sqlite3\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\nconn = sqlite3.connect('example.db')\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT \u7528\u6236\u540d, \u96fb\u5b50\u90f5\u4ef6 FROM \u7528\u6236\")\n\n# \u7372\u53d6\u6240\u6709\u7d50\u679c\nresults = cursor.fetchall()\n\n# \u8f38\u51fa\u7d50\u679c\nfor row in results:\n    print(row)\n\n# \u95dc\u9589\u9023\u63a5\nconn.close()<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u9023\u63a5\u5230\u540d\u70ba\u201cexample.db\u201d\u7684SQLite\u6578\u64da\u5eab\uff0c\u57f7\u884c\u67e5\u8a62\u4e26\u6253\u5370\u6240\u6709\u7528\u6236\u7684\u7528\u6236\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OzuYsAcpij\">\u7e3d\u7d50<\/h2>\n<p>\u5f9e\u8868\u683c\u4e2d\u63d0\u53d6\u6578\u64da\u5eab\u6578\u64da\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\uff0c\u7121\u8ad6\u662f\u4f7f\u7528SQL\u67e5\u8a62\u9084\u662f\u7de8\u7a0b\u8a9e\u8a00\uff0c\u90fd\u80fd\u5920\u9ad8\u6548\u5730\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u901a\u904e\u7406\u89e3\u6578\u64da\u5eab\u7d50\u69cb\u3001\u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u8a9e\u53e5\u4ee5\u53ca\u7de8\u5beb\u4ee3\u78bc\u4f86\u81ea\u52d5\u5316\u63d0\u53d6\u904e\u7a0b\uff0c\u60a8\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u7c21\u55ae\u9ad8\u6548\u5730\u5f9e\u8868\u683c\u4e2d\u63d0\u53d6\u6578\u64da\u5eab\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5feb\u901f\u7372\u53d6\u6240\u9700\u4fe1\u606f\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-173567","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173567","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=173567"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173567\/revisions"}],"predecessor-version":[{"id":173568,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173567\/revisions\/173568"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}