{"id":135011,"date":"2024-10-31T06:22:18","date_gmt":"2024-10-30T22:22:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135011\/"},"modified":"2024-10-31T06:22:19","modified_gmt":"2024-10-30T22:22:19","slug":"sae%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%ad%97%e6%ae%b5%ef%bc%9f%ef%bc%88sae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b7%bb%e5%8a%a0%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135011\/","title":{"rendered":"SAE\uff1a\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5\uff1f\uff08sae\u6578\u64da\u5eab\u6dfb\u52a0\u5b57\u6bb5\uff09"},"content":{"rendered":"<h1 id=\"sae%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%ad%97%e6%ae%b5%ef%bc%9f%ef%bc%88sae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b7%bb%e5%8a%a0%e5%ad%97%e6%ae%b5-NZtIyNcegx\">SAE\uff1a\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5\uff1f\uff08sae\u6578\u64da\u5eab\u6dfb\u52a0\u5b57\u6bb5\uff09<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528SAE\uff08\u65b0\u6d6a\u96f2\uff09\u5e73\u53f0\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u6839\u64da\u696d\u52d9\u9700\u6c42\u5c0d\u6578\u64da\u5eab\u9032\u884c\u8abf\u6574\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u64cd\u4f5c\u4e4b\u4e00\u5c31\u662f\u6dfb\u52a0\u5b57\u6bb5\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728SAE\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsae%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-NZtIyNcegx\">\u4ec0\u9ebc\u662fSAE\u6578\u64da\u5eab\uff1f<\/h2>\n<p>SAE\uff08\u65b0\u6d6a\u96f2\u5f15\u64ce\uff09\u662f\u4e00\u500b\u57fa\u65bc\u96f2\u8a08\u7b97\u7684\u61c9\u7528\u5e73\u53f0\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u670d\u52d9\uff0c\u5305\u62ec\u6578\u64da\u5eab\u7ba1\u7406\u3002SAE\u6578\u64da\u5eab\u652f\u6301MySQL\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u719f\u6089\u7684SQL\u8a9e\u8a00\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002SAE\u7684\u6578\u64da\u5eab\u670d\u52d9\u5177\u6709\u9ad8\u53ef\u7528\u6027\u548c\u81ea\u52d5\u64f4\u5c55\u7684\u7279\u6027\uff0c\u9069\u5408\u5404\u985e\u578b\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 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id=\"%e5%a6%82%e4%bd%95%e5%9c%a8sae%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%ad%97%e6%ae%b5-NZtIyNcegx\">\u5982\u4f55\u5728SAE\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5<\/h2>\n<p>\u5728SAE\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u4e3b\u8981\u901a\u904eSQL\u8a9e\u53e5\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-NZtIyNcegx\">\u6b65\u9a5f1\uff1a\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u9023\u63a5\u5230\u60a8\u7684SAE\u6578\u64da\u5eab\u3002\u9019\u901a\u5e38\u901a\u904e\u7de8\u7a0b\u8a9e\u8a00\uff08\u5982PHP\u3001Python\u7b49\uff09\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u9023\u63a5SAE\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$mysqli = new mysqli(\"localhost\", \"username\", \"password\", \"database_name\");\n\nif ($mysqli-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $mysqli-&gt;connect_error);\n}\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e7%b7%a8%e5%af%abalter-table%e8%aa%9e%e5%8f%a5-NZtIyNcegx\">\u6b65\u9a5f2\uff1a\u7de8\u5bebALTER TABLE\u8a9e\u53e5<\/h3>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u4f86\u6dfb\u52a0\u5b57\u6bb5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u8981\u5728\u7528\u6236\u8868\u4e2d\u6dfb\u52a0\u4e00\u500b\u540d\u70ba\u201cphone\u201d\u7684\u5b57\u6bb5\uff1a<\/p>\n<pre><code>\n$sql = \"ALTER TABLE users ADD phone VARCHAR(15)\";\n\nif ($mysqli-&gt;query($sql) === TRUE) {\n    echo \"\u5b57\u6bb5\u6dfb\u52a0\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $mysqli-&gt;error;\n}\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f3%ef%bc%9a%e5%9f%b7%e8%a1%8csql%e8%aa%9e%e5%8f%a5-NZtIyNcegx\">\u6b65\u9a5f3\uff1a\u57f7\u884cSQL\u8a9e\u53e5<\/h3>\n<p>\u57f7\u884c\u4e0a\u8ff0SQL\u8a9e\u53e5\u5f8c\uff0c\u60a8\u53ef\u4ee5\u6aa2\u67e5\u6578\u64da\u5eab\u4ee5\u78ba\u8a8d\u5b57\u6bb5\u662f\u5426\u5df2\u6210\u529f\u6dfb\u52a0\u3002\u53ef\u4ee5\u4f7f\u7528DESCRIBE\u8a9e\u53e5\u4f86\u67e5\u770b\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>\n$sql = \"DESCRIBE users\";\n$result = $mysqli-&gt;query($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"Field: \" . $row[\"Field\"] . \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-NZtIyNcegx\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u6dfb\u52a0\u5b57\u6bb5\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u78ba\u4fdd\u65b0\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u548c\u5927\u5c0f\u7b26\u5408\u696d\u52d9\u9700\u6c42\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u66f4\u6539\u6642\uff0c\u61c9\u8003\u616e\u5c0d\u61c9\u7528\u7a0b\u5e8f\u7684\u5f71\u97ff\uff0c\u4e26\u9032\u884c\u5145\u5206\u6e2c\u8a66\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NZtIyNcegx\">\u7e3d\u7d50<\/h2>\n<p>\u5728SAE\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u500b\u6b65\u9a5f\u5373\u53ef\u5b8c\u6210\u3002\u901a\u904e\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u8abf\u6574\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u6eff\u8db3\u4e0d\u65b7\u8b8a\u5316\u7684\u696d\u52d9\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u96f2\u670d\u52d9\u63d0\u4f9b\u5546\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u6216<em><a href=\"https:\/\/server.hk\">\u96f2\u670d\u52d9\u5668<\/a><\/em>\u6709\u8208\u8da3\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\u5728SAE\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5b57\u6bb5\uff0c\u7c21\u55ae\u6b65\u9a5f\u6307\u5c0e\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u7d50\u69cb\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-135011","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135011","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=135011"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135011\/revisions"}],"predecessor-version":[{"id":135012,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135011\/revisions\/135012"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}