{"id":179290,"date":"2024-11-09T00:35:21","date_gmt":"2024-11-08T16:35:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179290\/"},"modified":"2024-11-09T00:35:22","modified_gmt":"2024-11-08T16:35:22","slug":"%e5%a6%82%e4%bd%95%e4%bb%a5%ef%bc%9f%e6%9b%bf%e4%bb%a3%e5%8f%83%e6%95%b8%e7%b0%a1%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179290\/","title":{"rendered":"\u5982\u4f55\u4ee5\u201c\uff1f\u201d\u66ff\u4ee3\u53c3\u6578\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bb%a5%ef%bc%9f%e6%9b%bf%e4%bb%a3%e5%8f%83%e6%95%b8%e7%b0%a1%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-jyamWcgYNd\">\u5982\u4f55\u4ee5\u201c\uff1f\u201d\u66ff\u4ee3\u53c3\u6578\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u7684\u7528\u6236\u8cc7\u6599\u7ba1\u7406\uff0c\u9084\u662f\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u7684\u4ea4\u6613\u8a18\u9304\uff0c\u6578\u64da\u5eab\u7684\u9ad8\u6548\u64cd\u4f5c\u90fd\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u53c3\u6578\u4f86\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4e26\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%ef%bc%9f%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-jyamWcgYNd\">\u4ec0\u9ebc\u662f\u201c\uff1f\u201d\u53c3\u6578\u5316\u67e5\u8a62<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u67e5\u8a62\u4e2d\uff0c\u53c3\u6578\u5316\u67e5\u8a62\u662f\u4e00\u7a2e\u5c07\u67e5\u8a62\u8a9e\u53e5\u8207\u6578\u64da\u5206\u958b\u7684\u6280\u8853\u3002\u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u4f54\u4f4d\u7b26\uff0c\u53ef\u4ee5\u5728\u57f7\u884c\u67e5\u8a62\u6642\u52d5\u614b\u5730\u63d2\u5165\u5be6\u969b\u7684\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u7c21\u5316\u4ee3\u78bc\uff0c\u9084\u80fd\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8%ef%bc%9f%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-jyamWcgYNd\">\u70ba\u4ec0\u9ebc\u4f7f\u7528\u201c\uff1f\u201d\u53c3\u6578\u5316\u67e5\u8a62<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u5b89\u5168\u6027\uff1a<\/strong>\u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u53c3\u6578\u53ef\u4ee5\u9632\u6b62SQL\u6ce8\u5165\uff0c\u56e0\u70ba\u6578\u64da\u4e0d\u6703\u76f4\u63a5\u62fc\u63a5\u5230\u67e5\u8a62\u8a9e\u53e5\u4e2d\u3002<\/li>\n<li><strong>\u589e\u5f37\u53ef\u8b80\u6027\uff1a<\/strong>\u4ee3\u78bc\u66f4\u6e05\u6670\uff0c\u56e0\u70ba\u67e5\u8a62\u8a9e\u53e5\u8207\u6578\u64da\u5206\u958b\uff0c\u6613\u65bc\u7dad\u8b77\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u6578\u64da\u5eab\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\u5df2\u7de8\u8b6f\u7684\u67e5\u8a62\u8a08\u5283\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%ef%bc%9f%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-jyamWcgYNd\">\u5982\u4f55\u5be6\u73fe\u201c\uff1f\u201d\u53c3\u6578\u5316\u67e5\u8a62<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u548cMySQLi\u9032\u884c\u53c3\u6578\u5316\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$mysqli = new mysqli(\"localhost\", \"\u7528\u6236\u540d\", \"\u5bc6\u78bc\", \"\u6578\u64da\u5eab\u540d\");\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($mysqli-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $mysqli-&gt;connect_error);\n}\n\n\/\/ \u6e96\u5099\u67e5\u8a62\u8a9e\u53e5\n$stmt = $mysqli-&gt;prepare(\"SELECT * FROM \u7528\u6236 WHERE email = ?\");\n\n\/\/ \u7d81\u5b9a\u53c3\u6578\n$email = \"example@example.com\";\n$stmt-&gt;bind_param(\"s\", $email);\n\n\/\/ \u57f7\u884c\u67e5\u8a62\n$stmt-&gt;execute();\n\n\/\/ \u7372\u53d6\u7d50\u679c\n$result = $stmt-&gt;get_result();\nwhile ($row = $result-&gt;fetch_assoc()) {\n    echo \"\u7528\u6236\u540d: \" . $row[\"username\"];\n}\n\n\/\/ \u95dc\u9589\u8a9e\u53e5\u548c\u9023\u63a5\n$stmt-&gt;close();\n$mysqli-&gt;close();\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u4f54\u4f4d\u7b26\uff0c\u4e26\u901a\u904ebind_param\u65b9\u6cd5\u5c07\u5be6\u969b\u7684\u6578\u64da\u7d81\u5b9a\u5230\u67e5\u8a62\u4e2d\u3002\u9019\u6a23\u7684\u505a\u6cd5\u4e0d\u50c5\u7c21\u5316\u4e86\u4ee3\u78bc\uff0c\u9084\u63d0\u9ad8\u4e86\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e5%85%b6%e4%bb%96%e8%aa%9e%e8%a8%80%e4%b8%ad%e7%9a%84%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-jyamWcgYNd\">\u5176\u4ed6\u8a9e\u8a00\u4e2d\u7684\u53c3\u6578\u5316\u67e5\u8a62<\/h2>\n<p>\u9664\u4e86PHP\uff0c\u5176\u4ed6\u7de8\u7a0b\u8a9e\u8a00\u4e5f\u652f\u6301\u53c3\u6578\u5316\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5728Python\u4e2d\u4f7f\u7528SQLite\u6642\uff0c\u53ef\u4ee5\u9019\u6a23\u5be6\u73fe\uff1a<\/p>\n<pre><code>\nimport sqlite3\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\nconn = sqlite3.connect('example.db')\nc = conn.cursor()\n\n# \u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u4f54\u4f4d\u7b26\nc.execute(\"SELECT * FROM users WHERE email = ?\", (\"example@example.com\",))\n\n# \u7372\u53d6\u7d50\u679c\nrows = c.fetchall()\nfor row in rows:\n    print(\"\u7528\u6236\u540d:\", row[1])\n\n# \u95dc\u9589\u9023\u63a5\nconn.close()\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u5728\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u4e2d\u90fd\u9069\u7528\uff0c\u7121\u8ad6\u662fJava\u3001C#\u9084\u662fNode.js\uff0c\u53c3\u6578\u5316\u67e5\u8a62\u90fd\u80fd\u5920\u6709\u6548\u5730\u63d0\u9ad8\u4ee3\u78bc\u7684\u5b89\u5168\u6027\u548c\u53ef\u8b80\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jyamWcgYNd\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u53c3\u6578\u4f86\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7de8\u7a0b\u5be6\u8e10\u3002\u5b83\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u5b89\u5168\u6027\uff0c\u9084\u589e\u5f37\u4e86\u53ef\u8b80\u6027\u548c\u6027\u80fd\u3002\u7121\u8ad6\u60a8\u662f\u4f7f\u7528PHP\u3001Python\u9084\u662f\u5176\u4ed6\u7de8\u7a0b\u8a9e\u8a00\uff0c\u53c3\u6578\u5316\u67e5\u8a62\u90fd\u662f\u4e00\u500b\u503c\u5f97\u63a1\u7528\u7684\u6280\u8853\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u548c\u5b89\u5168\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u201c\uff1f\u201d\u4f5c\u70ba\u53c3\u6578\u4f86\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u589e\u5f37\u5b89\u5168\u6027\uff0c\u4e26\u6e1b\u5c11\u932f\u8aa4\u98a8\u96aa\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-179290","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179290","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=179290"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179290\/revisions"}],"predecessor-version":[{"id":179291,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179290\/revisions\/179291"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}