{"id":96640,"date":"2024-10-20T11:08:16","date_gmt":"2024-10-20T03:08:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96640\/"},"modified":"2024-10-20T11:08:17","modified_gmt":"2024-10-20T03:08:17","slug":"php%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b8%b8%e6%a8%99%e6%a6%82%e8%bf%b0%e5%8f%8a%e4%bd%bf%e7%94%a8%e6%8a%80%e5%b7%a7-php-%e6%95%b8%e6%93%9a%e5%ba%ab-%e6%b8%b8%e6%a8%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96640\/","title":{"rendered":"php\u6578\u64da\u5eab\u6e38\u6a19\u6982\u8ff0\u53ca\u4f7f\u7528\u6280\u5de7 (PHP \u6578\u64da\u5eab \u6e38\u6a19)"},"content":{"rendered":"<h1 id=\"php%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b8%b8%e6%a8%99%e6%a6%82%e8%bf%b0%e5%8f%8a%e4%bd%bf%e7%94%a8%e6%8a%80%e5%b7%a7-CkjvRvwuiD\">PHP\u6578\u64da\u5eab\u6e38\u6a19\u6982\u8ff0\u53ca\u4f7f\u7528\u6280\u5de7<\/h1>\n<p>\u5728PHP\u4e2d\uff0c\u6578\u64da\u5eab\u6e38\u6a19\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u3002\u6e38\u6a19\u5141\u8a31\u958b\u767c\u8005\u9010\u884c\u8655\u7406\u67e5\u8a62\u7d50\u679c\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9010\u6b65\u8655\u7406\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u975e\u5e38\u6709\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0ePHP\u6578\u64da\u5eab\u6e38\u6a19\u7684\u57fa\u672c\u6982\u5ff5\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u4e00\u4e9b\u5be6\u7528\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b8%b8%e6%a8%99%ef%bc%9f-CkjvRvwuiD\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u6e38\u6a19\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u6e38\u6a19\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u7528\u6236\u5728\u67e5\u8a62\u7d50\u679c\u4e2d\u9010\u884c\u8a2a\u554f\u6578\u64da\u3002\u5b83\u53ef\u4ee5\u88ab\u8996\u70ba\u4e00\u500b\u6307\u91dd\uff0c\u6307\u5411\u67e5\u8a62\u7d50\u679c\u96c6\u4e2d\u7684\u7576\u524d\u884c\u3002\u6e38\u6a19\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u63d0\u4f9b\u4e00\u7a2e\u65b9\u6cd5\u4f86\u904d\u6b77\u67e5\u8a62\u7d50\u679c\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5c0d\u6bcf\u4e00\u884c\u6578\u64da\u9032\u884c\u64cd\u4f5c\u6642\u3002<\/p>\n<h2 id=\"php%e4%b8%ad%e7%9a%84%e6%b8%b8%e6%a8%99%e9%a1%9e%e5%9e%8b-CkjvRvwuiD\">PHP\u4e2d\u7684\u6e38\u6a19\u985e\u578b<\/h2>\n<p>\u5728PHP\u4e2d\uff0c\u4e3b\u8981\u6709\u5169\u7a2e\u6e38\u6a19\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u975c\u614b\u6e38\u6a19\uff1a<\/strong>\u9019\u7a2e\u6e38\u6a19\u5728\u67e5\u8a62\u57f7\u884c\u6642\u751f\u6210\u7d50\u679c\u96c6\uff0c\u4e26\u4e14\u4e0d\u6703\u96a8\u8457\u6578\u64da\u7684\u8b8a\u5316\u800c\u66f4\u65b0\u3002\u9019\u610f\u5473\u8457\u5373\u4f7f\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u767c\u751f\u8b8a\u5316\uff0c\u975c\u614b\u6e38\u6a19\u4ecd\u7136\u6703\u8fd4\u56de\u67e5\u8a62\u6642\u7684\u7d50\u679c\u3002<\/li>\n<li><strong>\u52d5\u614b\u6e38\u6a19\uff1a<\/strong>\u9019\u7a2e\u6e38\u6a19\u6703\u96a8\u8457\u6578\u64da\u7684\u8b8a\u5316\u800c\u66f4\u65b0\uff0c\u5141\u8a31\u7528\u6236\u67e5\u770b\u6700\u65b0\u7684\u6578\u64da\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5be6\u6642\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8php%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%b8%b8%e6%a8%99-CkjvRvwuiD\">\u5982\u4f55\u5728PHP\u4e2d\u4f7f\u7528\u6e38\u6a19<\/h2>\n<p>\u5728PHP\u4e2d\u4f7f\u7528\u6e38\u6a19\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n<li>\u57f7\u884cSQL\u67e5\u8a62\u3002<\/li>\n<li>\u4f7f\u7528\u6e38\u6a19\u9010\u884c\u8655\u7406\u7d50\u679c\u96c6\u3002<\/li>\n<li>\u95dc\u9589\u6e38\u6a19\u548c\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-CkjvRvwuiD\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>&lt;?php\n\/\/ \u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database\";\n\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: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u57f7\u884c\u67e5\u8a62\n$sql = \"SELECT id, name FROM users\";\n$result = $conn-&gt;query($sql);\n\n\/\/ \u4f7f\u7528\u6e38\u6a19\u9010\u884c\u8655\u7406\u7d50\u679c\u96c6\nif ($result-&gt;num_rows &gt; 0) {\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"ID: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \"&lt;br&gt;\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n\n\/\/ \u95dc\u9589\u9023\u63a5\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%b8%b8%e6%a8%99%e7%9a%84%e6%8a%80%e5%b7%a7-CkjvRvwuiD\">\u4f7f\u7528\u6e38\u6a19\u7684\u6280\u5de7<\/h2>\n<p>\u5728\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u6709\u5e7e\u500b\u6280\u5de7\u53ef\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u8b80\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u9650\u5236\u67e5\u8a62\u7d50\u679c\uff1a<\/strong>\u5728\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u4f7f\u7528LIMIT\u5b50\u53e5\u4f86\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\uff1a<\/strong>\u9810\u8655\u7406\u8a9e\u53e5\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u591a\u6b21\u57f7\u884c\u76f8\u540c\u67e5\u8a62\u6642\u3002<\/li>\n<li><strong>\u9069\u7576\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u8868\u4e2d\u7684\u7d22\u5f15\u8a2d\u7f6e\u6b63\u78ba\uff0c\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CkjvRvwuiD\">\u7e3d\u7d50<\/h2>\n<p>PHP\u4e2d\u7684\u6578\u64da\u5eab\u6e38\u6a19\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u67e5\u8a62\u7d50\u679c\u3002\u901a\u904e\u7406\u89e3\u6e38\u6a19\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u64cd\u4f5c\u6578\u64da\u3002\u7121\u8ad6\u662f\u975c\u614b\u6e38\u6a19\u9084\u662f\u52d5\u614b\u6e38\u6a19\uff0c\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u548c\u4f7f\u7528\u6280\u5de7\u90fd\u80fd\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3PHP\u6578\u64da\u5eab\u6e38\u6a19\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u4f7f\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u67e5\u8a62\u8207\u8655\u7406\u904e\u7a0b\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-96640","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96640","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=96640"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96640\/revisions"}],"predecessor-version":[{"id":96641,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96640\/revisions\/96641"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}