{"id":175101,"date":"2024-11-08T02:43:31","date_gmt":"2024-11-07T18:43:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175101\/"},"modified":"2024-11-08T02:43:32","modified_gmt":"2024-11-07T18:43:32","slug":"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e8%a1%a8%e5%96%ae%e5%88%aa%e9%99%a4%e5%92%8c%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab-%e8%a1%a8%e5%96%ae%e5%88%aa%e9%99%a4%e5%92%8c%e4%bf%ae%e6%94%b9%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175101\/","title":{"rendered":"\u5982\u4f55\u5be6\u73fe\u8868\u55ae\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\u5eab (\u8868\u55ae\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e8%a1%a8%e5%96%ae%e5%88%aa%e9%99%a4%e5%92%8c%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab-SDBqZqWfzM\">\u5982\u4f55\u5be6\u73fe\u8868\u55ae\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u9801\u61c9\u7528\u4e2d\uff0c\u8868\u55ae\u662f\u7528\u6236\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u91cd\u8981\u5de5\u5177\u3002\u7121\u8ad6\u662f\u7528\u6236\u8a3b\u518a\u3001\u8cc7\u6599\u66f4\u65b0\u9084\u662f\u6578\u64da\u522a\u9664\uff0c\u8868\u55ae\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u8868\u55ae\u4f86\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-SDBqZqWfzM\">\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002\u6578\u64da\u5eab\u901a\u5e38\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u9032\u884c\u64cd\u4f5c\u3002\u5c0d\u65bc\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\uff0c\u4e3b\u8981\u4f7f\u7528\u4ee5\u4e0b\u5169\u500bSQL\u8a9e\u53e5\uff1a<\/p>\n<ul>\n<li><code>DELETE<\/code>\uff1a\u7528\u65bc\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u8a18\u9304\u3002<\/li>\n<li><code>UPDATE<\/code>\uff1a\u7528\u65bc\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u73fe\u6709\u8a18\u9304\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e8%a1%a8%e5%96%ae%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-SDBqZqWfzM\">\u5be6\u73fe\u8868\u55ae\u522a\u9664\u6578\u64da<\/h2>\n<p>\u8981\u5be6\u73fe\u522a\u9664\u529f\u80fd\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u8868\u55ae\uff0c\u8b93\u7528\u6236\u80fd\u5920\u9078\u64c7\u8981\u522a\u9664\u7684\u8a18\u9304\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684HTML\u8868\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;form action=\"delete.php\" method=\"post\"&gt;\n    &lt;label for=\"id\"&gt;\u8f38\u5165\u8981\u522a\u9664\u7684\u8a18\u9304ID\uff1a&lt;\/label&gt;\n    &lt;input type=\"text\" id=\"id\" name=\"id\"&gt;\n    &lt;input type=\"submit\" value=\"\u522a\u9664\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c\u7528\u6236\u9700\u8981\u8f38\u5165\u8981\u522a\u9664\u7684\u8a18\u9304ID\u3002\u63a5\u4e0b\u4f86\uff0c\u5728<code>delete.php<\/code>\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u57f7\u884c\u522a\u9664\u64cd\u4f5c\uff1a<\/p>\n<pre><code>&lt;?php\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\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: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u7372\u53d6ID\n$id = $_POST['id'];\n\n\/\/ \u6e96\u5099\u522a\u9664\u8a9e\u53e5\n$sql = \"DELETE FROM table_name WHERE id='$id'\";\n\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u522a\u9664\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"&lt;br&gt;\" . $conn-&gt;error;\n}\n\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e8%a1%a8%e5%96%ae%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a-SDBqZqWfzM\">\u5be6\u73fe\u8868\u55ae\u4fee\u6539\u6578\u64da<\/h2>\n<p>\u4fee\u6539\u6578\u64da\u7684\u904e\u7a0b\u8207\u522a\u9664\u985e\u4f3c\uff0c\u4f46\u9700\u8981\u7528\u6236\u63d0\u4f9b\u65b0\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4fee\u6539\u6578\u64da\u7684\u8868\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;form action=\"update.php\" method=\"post\"&gt;\n    &lt;label for=\"id\"&gt;\u8f38\u5165\u8981\u4fee\u6539\u7684\u8a18\u9304ID\uff1a&lt;\/label&gt;\n    &lt;input type=\"text\" id=\"id\" name=\"id\"&gt;\n    &lt;label for=\"new_value\"&gt;\u8f38\u5165\u65b0\u7684\u503c\uff1a&lt;\/label&gt;\n    &lt;input type=\"text\" id=\"new_value\" name=\"new_value\"&gt;\n    &lt;input type=\"submit\" value=\"\u4fee\u6539\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n<p>\u5728<code>update.php<\/code>\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u57f7\u884c\u4fee\u6539\u64cd\u4f5c\uff1a<\/p>\n<pre><code>&lt;?php\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\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: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u7372\u53d6ID\u548c\u65b0\u503c\n$id = $_POST['id'];\n$new_value = $_POST['new_value'];\n\n\/\/ \u6e96\u5099\u66f4\u65b0\u8a9e\u53e5\n$sql = \"UPDATE table_name SET column_name='$new_value' WHERE id='$id'\";\n\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u4fee\u6539\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"&lt;br&gt;\" . $conn-&gt;error;\n}\n\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-SDBqZqWfzM\">\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n$stmt = $conn-&gt;prepare(\"DELETE FROM table_name WHERE id=?\");\n$stmt-&gt;bind_param(\"i\", $id);\n$stmt-&gt;execute();\n?&gt;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u4e0d\u6703\u76f4\u63a5\u63d2\u5165\u5230SQL\u8a9e\u53e5\u4e2d\uff0c\u5f9e\u800c\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SDBqZqWfzM\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u6211\u5011\u4e86\u89e3\u4e86\u5982\u4f55\u901a\u904e\u8868\u55ae\u4f86\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u57fa\u672c\u7684SQL\u8a9e\u53e5\u9084\u662f\u9810\u8655\u7406\u8a9e\u53e5\uff0c\u6b63\u78ba\u7684\u5be6\u73fe\u65b9\u5f0f\u90fd\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5be6\u73fe\u8868\u55ae\u522a\u9664\u548c\u4fee\u6539\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u8207\u5b89\u5168\u6027\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-175101","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175101","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=175101"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175101\/revisions"}],"predecessor-version":[{"id":175102,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175101\/revisions\/175102"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}