{"id":168305,"date":"2024-11-06T11:16:18","date_gmt":"2024-11-06T03:16:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168305\/"},"modified":"2024-11-06T11:16:19","modified_gmt":"2024-11-06T03:16:19","slug":"%e7%be%8e%e9%a3%9f%e7%b6%b2%e7%ab%99%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e4%bb%a3%e7%a2%bc%ef%bc%8c%e5%8a%a9%e4%bd%a0%e5%93%81%e5%9a%90%e5%85%a8%e7%90%83%e7%be%8e%e9%a3%9f-%e7%be%8e%e9%a3%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168305\/","title":{"rendered":"\u7f8e\u98df\u7db2\u7ad9\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\uff0c\u52a9\u4f60\u54c1\u5690\u5168\u7403\u7f8e\u98df (\u7f8e\u98df\u7db2\u7ad9\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc)"},"content":{"rendered":"<h1 id=\"%e7%be%8e%e9%a3%9f%e7%b6%b2%e7%ab%99%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e4%bb%a3%e7%a2%bc%ef%bc%8c%e5%8a%a9%e4%bd%a0%e5%93%81%e5%9a%90%e5%85%a8%e7%90%83%e7%be%8e%e9%a3%9f-SljiyXnKNW\">\u7f8e\u98df\u7db2\u7ad9\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\uff0c\u52a9\u4f60\u54c1\u5690\u5168\u7403\u7f8e\u98df<\/h1>\n<p>\u96a8\u8457\u79d1\u6280\u7684\u9032\u6b65\uff0c\u7db2\u7d61\u5df2\u6210\u70ba\u4eba\u5011\u7372\u53d6\u7f8e\u98df\u8cc7\u8a0a\u7684\u91cd\u8981\u5e73\u53f0\u3002\u7121\u8ad6\u662f\u98df\u8b5c\u5206\u4eab\u3001\u9910\u5ef3\u8a55\u50f9\u9084\u662f\u7f8e\u98df\u535a\u5ba2\uff0c\u9019\u4e9b\u7db2\u7ad9\u7684\u80cc\u5f8c\u90fd\u9700\u8981\u4e00\u500b\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5eab\u4f86\u652f\u6301\u5176\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5efa\u7acb\u4e00\u500b\u7f8e\u98df\u7db2\u7ad9\u7684\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5c55\u793a\u5168\u7403\u7f8e\u98df\u8cc7\u8a0a\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%81%b8%e6%93%87-SljiyXnKNW\">\u6578\u64da\u5eab\u7684\u9078\u64c7<\/h2>\n<p>\u5728\u958b\u59cb\u7de8\u5beb\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u5e38\u898b\u7684\u9078\u64c7\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>MySQL\uff1a<\/strong>\u958b\u6e90\u4e14\u5ee3\u6cdb\u4f7f\u7528\uff0c\u9069\u5408\u4e2d\u5c0f\u578b\u7db2\u7ad9\u3002<\/li>\n<li><strong>PostgreSQL\uff1a<\/strong>\u529f\u80fd\u5f37\u5927\uff0c\u652f\u6301\u8907\u96dc\u67e5\u8a62\uff0c\u9069\u5408\u5927\u578b\u61c9\u7528\u3002<\/li>\n<li><strong>SQLite\uff1a<\/strong>\u8f15\u91cf\u7d1a\uff0c\u9069\u5408\u5c0f\u578b\u61c9\u7528\u6216\u958b\u767c\u968e\u6bb5\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u7db2\u7ad9\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5f8c\uff0c\u63a5\u4e0b\u4f86\u4fbf\u662f\u7de8\u5beb\u9023\u63a5\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-SljiyXnKNW\">\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \u548c MySQL \u9032\u884c\u6578\u64da\u5eab\u9023\u63a5\u7684\u57fa\u672c\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u6578\u64da\u5eab\u914d\u7f6e\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"food_database\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\necho \"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\";\n?&gt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u6578\u64da\u5eab\u7684\u4f3a\u670d\u5668\u540d\u7a31\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 `new mysqli()` \u65b9\u6cd5\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4e26\u6aa2\u67e5\u9023\u63a5\u662f\u5426\u6210\u529f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-SljiyXnKNW\">\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u9032\u884c\u5404\u7a2e\u64cd\u4f5c\uff0c\u4f8b\u5982\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-SljiyXnKNW\">\u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>&lt;?php\n$sql = \"SELECT * FROM recipes\";\n$result = $conn-&gt;query($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u884c\u6578\u64da\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"\u98df\u8b5c\u540d\u7a31: \" . $row[\"name\"]. \" - \u4f86\u6e90: \" . $row[\"source\"]. \"&lt;br&gt;\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n?&gt;<\/code><\/pre>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-SljiyXnKNW\">\u63d2\u5165\u6578\u64da<\/h3>\n<pre><code>&lt;?php\n$sql = \"INSERT INTO recipes (name, source) VALUES ('\u610f\u5927\u5229\u9762', '\u610f\u5927\u5229')\";\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u65b0\u8a18\u9304\u63d2\u5165\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"&lt;br&gt;\" . $conn-&gt;error;\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-SljiyXnKNW\">\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5728\u958b\u767c\u7f8e\u98df\u7db2\u7ad9\u6642\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002\u958b\u767c\u8005\u61c9\u8a72\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u9650\u5236\u6578\u64da\u5eab\u7528\u6236\u7684\u6b0a\u9650\uff0c\u50c5\u6388\u4e88\u5fc5\u8981\u7684\u8a2a\u554f\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SljiyXnKNW\">\u7e3d\u7d50<\/h2>\n<p>\u5efa\u7acb\u4e00\u500b\u7f8e\u98df\u7db2\u7ad9\u7684\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\u662f\u958b\u767c\u904e\u7a0b\u4e2d\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3001\u7de8\u5beb\u9023\u63a5\u4ee3\u78bc\u4ee5\u53ca\u9032\u884c\u5fc5\u8981\u7684\u6578\u64da\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u5c55\u793a\u5168\u7403\u7f8e\u98df\u8cc7\u8a0a\u3002\u70ba\u4e86\u78ba\u4fdd\u7db2\u7ad9\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\uff0c\u958b\u767c\u8005\u9084\u9700\u6ce8\u610f\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u5099\u4efd\u7b56\u7565\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u7f8e\u98df\u7db2\u7ad9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u7db2\u7ad9\u6578\u64da\u5eab\uff0c\u8b93\u60a8\u5c08\u6ce8\u65bc\u5275\u9020\u7f8e\u5473\u7684\u5167\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7f8e\u98df\u7db2\u7ad9\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\uff0c\u8f15\u9b06\u54c1\u5690\u5168\u7403\u7f8e\u98df\uff0c\u8b93\u4f60\u7684\u5473\u857e\u4e4b\u65c5\u7121\u9650\u5ef6\u4f38\uff01<\/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-168305","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168305","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=168305"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168305\/revisions"}],"predecessor-version":[{"id":168306,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168305\/revisions\/168306"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}