{"id":96582,"date":"2024-10-20T10:39:18","date_gmt":"2024-10-20T02:39:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96582\/"},"modified":"2024-10-20T10:39:18","modified_gmt":"2024-10-20T02:39:18","slug":"php%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e7%b0%a1%e6%98%93%e6%95%99%e7%a8%8b-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bb%a3%e7%a2%bcphp","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96582\/","title":{"rendered":"php\u522a\u9664\u6578\u64da\u5eab\u64cd\u4f5c\u7c21\u6613\u6559\u7a0b (\u522a\u9664\u6578\u64da\u5eab\u4ee3\u78bcphp)"},"content":{"rendered":"<h1 id=\"php%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e7%b0%a1%e6%98%93%e6%95%99%e7%a8%8b-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bb%a3%e7%a2%bcphp-eKEmQVFWQW\">PHP\u522a\u9664\u6578\u64da\u5eab\u64cd\u4f5c\u7c21\u6613\u6559\u7a0b (\u522a\u9664\u6578\u64da\u5eab\u4ee3\u78bcPHP)<\/h1>\n<p>\u5728\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7279\u5225\u662f\u7576\u9700\u8981\u522a\u9664\u6578\u64da\u6642\uff0c\u6b63\u78ba\u7684\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u5eab\u7684\u522a\u9664\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u6613\u61c2\u7684\u4ee3\u78bc\u793a\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"1-%e4%ba%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-eKEmQVFWQW\">1. \u4e86\u89e3\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u522a\u9664\u64cd\u4f5c\u901a\u5e38\u662f\u6307\u5f9e\u8868\u4e2d\u79fb\u9664\u4e00\u689d\u6216\u591a\u689d\u8a18\u9304\u3002\u9019\u500b\u64cd\u4f5c\u53ef\u4ee5\u901a\u904eSQL\u8a9e\u53e5\u4f86\u5be6\u73fe\uff0c\u6700\u5e38\u7528\u7684\u8a9e\u53e5\u662fDELETE\u3002\u4f7f\u7528DELETE\u8a9e\u53e5\u6642\uff0c\u5fc5\u9808\u5c0f\u5fc3\uff0c\u56e0\u70ba\u4e00\u65e6\u522a\u9664\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\u3002<\/p>\n<h2 id=\"2-php%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-eKEmQVFWQW\">2. PHP\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>&lt;?php\n$servername = \"localhost\"; \/\/ \u6578\u64da\u5eab\u4f3a\u670d\u5668\n$username = \"username\"; \/\/ \u6578\u64da\u5eab\u7528\u6236\u540d\n$password = \"password\"; \/\/ \u6578\u64da\u5eab\u5bc6\u78bc\n$dbname = \"database_name\"; \/\/ \u6578\u64da\u5eab\u540d\u7a31\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: \" . $conn-&gt;connect_error);\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8delete%e8%aa%9e%e5%8f%a5%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-eKEmQVFWQW\">3. \u4f7f\u7528DELETE\u8a9e\u53e5\u522a\u9664\u6578\u64da<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528DELETE\u8a9e\u53e5\u4f86\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u522a\u9664\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u8981\u522a\u9664\u7684\u8a18\u9304ID\n$id = 1;\n\n\/\/ SQL\u522a\u9664\u8a9e\u53e5\n$sql = \"DELETE FROM table_name WHERE id=$id\";\n\n\/\/ \u57f7\u884c\u522a\u9664\u64cd\u4f5c\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u522a\u9664\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"&lt;br&gt;\" . $conn-&gt;error;\n}\n\n\/\/ \u95dc\u9589\u9023\u63a5\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e9%a0%90%e8%99%95%e7%90%86%e8%aa%9e%e5%8f%a5%e6%8f%90%e9%ab%98%e5%ae%89%e5%85%a8%e6%80%a7-eKEmQVFWQW\">4. \u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u63d0\u9ad8\u5b89\u5168\u6027<\/h2>\n<p>\u76f4\u63a5\u5c07\u8b8a\u91cf\u63d2\u5165SQL\u8a9e\u53e5\u4e2d\u53ef\u80fd\u6703\u5c0e\u81f4SQL\u6ce8\u5165\u653b\u64ca\uff0c\u56e0\u6b64\u5efa\u8b70\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u63d0\u9ad8\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u9810\u8655\u7406\u8a9e\u53e5\n$stmt = $conn-&gt;prepare(\"DELETE FROM table_name WHERE id=?\");\n$stmt-&gt;bind_param(\"i\", $id); \/\/ \"i\"\u8868\u793a\u6574\u6578\u985e\u578b\n\n\/\/ \u8a2d\u7f6e\u8981\u522a\u9664\u7684ID\n$id = 1;\n\n\/\/ \u57f7\u884c\u522a\u9664\u64cd\u4f5c\n$stmt-&gt;execute();\n\necho \"\u8a18\u9304\u522a\u9664\u6210\u529f\";\n\n$stmt-&gt;close();\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"5-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-eKEmQVFWQW\">5. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u4fe1\u606f\u3002<\/li>\n<li>\u4f7f\u7528WHERE\u5b50\u53e5\u4f86\u9650\u5236\u522a\u9664\u7684\u7bc4\u570d\uff0c\u907f\u514d\u522a\u9664\u6574\u500b\u8868\u7684\u6578\u64da\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u61c9\u8a72\u5c0d\u7528\u6236\u7684\u522a\u9664\u8acb\u6c42\u9032\u884c\u9a57\u8b49\uff0c\u4ee5\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eKEmQVFWQW\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u5eab\u7684\u522a\u9664\u64cd\u4f5c\uff0c\u5305\u62ec\u9023\u63a5\u6578\u64da\u5eab\u3001\u57f7\u884cDELETE\u8a9e\u53e5\u4ee5\u53ca\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u63d0\u9ad8\u5b89\u5168\u6027\u3002\u9019\u4e9b\u57fa\u672c\u77e5\u8b58\u5c0d\u65bc\u958b\u767c\u8005\u5728\u8655\u7406\u6578\u64da\u6642\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u652f\u6301\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\u78ba\u4fdd\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528PHP\u7c21\u55ae\u5730\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u638c\u63e1\u57fa\u672c\u7684\u522a\u9664\u4ee3\u78bc\u548c\u64cd\u4f5c\u6b65\u9a5f\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\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-96582","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96582","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=96582"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96582\/revisions"}],"predecessor-version":[{"id":96583,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96582\/revisions\/96583"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}