{"id":179954,"date":"2024-11-09T06:11:19","date_gmt":"2024-11-08T22:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179954\/"},"modified":"2024-11-09T06:11:20","modified_gmt":"2024-11-08T22:11:20","slug":"%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e8%bf%94%e5%9b%9e%e5%80%bc-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e8%bf%94%e5%9b%9e%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179954\/","title":{"rendered":"\u5982\u4f55\u6b63\u78ba\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u8fd4\u56de\u503c (\u6578\u64da\u5eab\u64cd\u4f5c\u8fd4\u56de\u503c)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e8%bf%94%e5%9b%9e%e5%80%bc-xrvIErRmvz\">\u5982\u4f55\u6b63\u78ba\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u8fd4\u56de\u503c<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\uff0c\u9084\u662f\u5411\u6578\u64da\u5eab\u4e2d\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6578\u64da\uff0c\u6b63\u78ba\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u8fd4\u56de\u503c\u90fd\u662f\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6b63\u78ba\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u8fd4\u56de\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e7%9a%84%e8%bf%94%e5%9b%9e%e5%80%bc%e9%a1%9e%e5%9e%8b-xrvIErRmvz\">\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u8fd4\u56de\u503c\u985e\u578b<\/h2>\n<p>\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u8fd4\u56de\u503c\u901a\u5e38\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u7d50\u679c\uff1a<\/strong>\u7576\u57f7\u884c\u67e5\u8a62\u64cd\u4f5c\uff08\u5982SELECT\u8a9e\u53e5\uff09\u6642\uff0c\u8fd4\u56de\u7684\u7d50\u679c\u96c6\u901a\u5e38\u5305\u542b\u591a\u884c\u6578\u64da\u3002<\/li>\n<li><strong>\u5f71\u97ff\u884c\u6578\uff1a<\/strong>\u5c0d\u65bcINSERT\u3001UPDATE\u548cDELETE\u7b49\u64cd\u4f5c\uff0c\u8fd4\u56de\u7684\u503c\u901a\u5e38\u662f\u53d7\u5f71\u97ff\u7684\u884c\u6578\u3002<\/li>\n<li><strong>\u932f\u8aa4\u4ee3\u78bc\uff1a<\/strong>\u5728\u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\uff0c\u9019\u4e9b\u932f\u8aa4\u901a\u5e38\u6703\u8fd4\u56de\u76f8\u61c9\u7684\u932f\u8aa4\u4ee3\u78bc\u548c\u6d88\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%ad%a3%e7%a2%ba%e8%99%95%e7%90%86%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-xrvIErRmvz\">\u6b63\u78ba\u8655\u7406\u67e5\u8a62\u7d50\u679c<\/h2>\n<p>\u5728\u57f7\u884c\u67e5\u8a62\u64cd\u4f5c\u5f8c\uff0c\u958b\u767c\u8005\u9700\u8981\u6b63\u78ba\u8655\u7406\u8fd4\u56de\u7684\u7d50\u679c\u96c6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PHP\u548cMySQL\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$conn = new mysqli($servername, $username, $password, $dbname);\n\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\n\n$sql = \"SELECT id, name FROM Users\";\n$result = $conn-&gt;query($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u4e00\u884c\u6578\u64da\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n$conn-&gt;close();\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u6aa2\u67e5\u67e5\u8a62\u7d50\u679c\u7684\u884c\u6578\u3002\u5982\u679c\u6709\u7d50\u679c\uff0c\u6211\u5011\u5c31\u904d\u6b77\u7d50\u679c\u96c6\u4e26\u8f38\u51fa\u6bcf\u4e00\u884c\u7684\u6578\u64da\u3002\u5982\u679c\u6c92\u6709\u7d50\u679c\uff0c\u6211\u5011\u5247\u8f38\u51fa\u201c0 \u7d50\u679c\u201d\u3002\u9019\u6a23\u7684\u8655\u7406\u65b9\u5f0f\u80fd\u5920\u6709\u6548\u907f\u514d\u7a7a\u7d50\u679c\u96c6\u5e36\u4f86\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e5%bd%b1%e9%9f%bf%e8%a1%8c%e6%95%b8-xrvIErRmvz\">\u8655\u7406\u5f71\u97ff\u884c\u6578<\/h2>\n<p>\u5c0d\u65bcINSERT\u3001UPDATE\u548cDELETE\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u61c9\u8a72\u6aa2\u67e5\u5f71\u97ff\u7684\u884c\u6578\uff0c\u4ee5\u78ba\u4fdd\u64cd\u4f5c\u7684\u6210\u529f\u3002\u4ee5\u4e0b\u662f\u53e6\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$sql = \"UPDATE Users SET name='John' WHERE id=1\";\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u66f4\u65b0\u6210\u529f\uff0c\u5f71\u97ff\u884c\u6578: \" . $conn-&gt;affected_rows;\n} else {\n    echo \"\u932f\u8aa4: \" . $conn-&gt;error;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86$conn-&gt;affected_rows\u4f86\u7372\u53d6\u5f71\u97ff\u7684\u884c\u6578\u3002\u5982\u679c\u66f4\u65b0\u6210\u529f\uff0c\u6211\u5011\u6703\u8f38\u51fa\u5f71\u97ff\u7684\u884c\u6578\uff1b\u5982\u679c\u5931\u6557\uff0c\u5247\u8f38\u51fa\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-xrvIErRmvz\">\u8655\u7406\u932f\u8aa4\u4ee3\u78bc<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u932f\u8aa4\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002\u958b\u767c\u8005\u61c9\u8a72\u59a5\u5584\u8655\u7406\u9019\u4e9b\u932f\u8aa4\uff0c\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$sql = \"INSERT INTO Users (name) VALUES ('Alice')\";\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u65b0\u8a18\u9304\u63d2\u5165\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn-&gt;error;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u63d2\u5165\u64cd\u4f5c\u5931\u6557\uff0c\u6211\u5011\u6703\u8f38\u51faSQL\u8a9e\u53e5\u548c\u932f\u8aa4\u4fe1\u606f\uff0c\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xrvIErRmvz\">\u7e3d\u7d50<\/h2>\n<p>\u6b63\u78ba\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u8fd4\u56de\u503c\u662f\u958b\u767c\u7a69\u5b9a\u548c\u53ef\u9760\u61c9\u7528\u7a0b\u5e8f\u7684\u95dc\u9375\u3002\u901a\u904e\u6aa2\u67e5\u67e5\u8a62\u7d50\u679c\u3001\u5f71\u97ff\u884c\u6578\u548c\u932f\u8aa4\u4ee3\u78bc\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u7d50\u679c\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6b63\u78ba\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u8fd4\u56de\u503c\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u61c9\u7528\u7a0b\u5e8f\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u7528\u6236\u9ad4\u9a57\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-179954","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179954","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=179954"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179954\/revisions"}],"predecessor-version":[{"id":179955,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179954\/revisions\/179955"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}