{"id":96592,"date":"2024-10-20T10:44:23","date_gmt":"2024-10-20T02:44:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96592\/"},"modified":"2024-10-20T10:44:23","modified_gmt":"2024-10-20T02:44:23","slug":"php%e5%af%a6%e7%8f%be%e5%ae%9a%e6%99%82%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-php%e5%ae%9a%e6%99%82%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96592\/","title":{"rendered":"php\u5be6\u73fe\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u6578\u64da (php\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u6578\u64da)"},"content":{"rendered":"<h1 id=\"php%e5%af%a6%e7%8f%be%e5%ae%9a%e6%99%82%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-QXmYnbmyef\">PHP\u5be6\u73fe\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u6578\u64da<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u52d5\u614b\u986f\u793a\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u986f\u793a\u5373\u6642\u7684\u7528\u6236\u6578\u64da\u3001\u7522\u54c1\u4fe1\u606f\uff0c\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684\u6578\u64da\uff0c\u4f7f\u7528PHP\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u90fd\u975e\u5e38\u6709\u6548\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528PHP\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-QXmYnbmyef\">\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002PHP\u662f\u4e00\u7a2e\u4f3a\u670d\u5668\u7aef\u7684\u8173\u672c\u8a9e\u8a00\uff0c\u5e38\u7528\u65bc\u7db2\u9801\u958b\u767c\u3002\u6578\u64da\u5eab\u5247\u662f\u7528\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u7cfb\u7d71\uff0c\u6700\u5e38\u898b\u7684\u6578\u64da\u5eab\u6709MySQL\u3001PostgreSQL\u7b49\u3002\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u6578\u64da\u7684\u9700\u6c42\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li id=\"%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-QXmYnbmyef\">\u9023\u63a5\u6578\u64da\u5eab<\/li>\n<li id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-QXmYnbmyef\">\u67e5\u8a62\u6578\u64da<\/li>\n<li id=\"%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a-QXmYnbmyef\">\u986f\u793a\u6578\u64da<\/li>\n<li id=\"%e5%ae%9a%e6%99%82%e5%88%b7%e6%96%b0-QXmYnbmyef\">\u5b9a\u6642\u5237\u65b0<\/li>\n<\/ul>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-QXmYnbmyef\">\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\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>\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: \" . $conn-&gt;connect_error);\n}\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-QXmYnbmyef\">\u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u9032\u884c\u6578\u64da\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$sql = \"SELECT * FROM table_name\";\n$result = $conn-&gt;query($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    \/\/ \u8f38\u51fa\u6578\u64da\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n<\/code><\/pre>\n<h2 id=\"%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a-QXmYnbmyef\">\u986f\u793a\u6578\u64da<\/h2>\n<p>\u5728\u67e5\u8a62\u5230\u6578\u64da\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u5176\u986f\u793a\u5728\u7db2\u9801\u4e0a\u3002\u53ef\u4ee5\u4f7f\u7528HTML\u6a19\u7c64\u4f86\u683c\u5f0f\u5316\u8f38\u51fa\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>\necho \"&lt;div&gt;\";\necho \"&lt;h2&gt;\u6578\u64da\u5217\u8868&lt;\/h2&gt;\";\nwhile($row = $result-&gt;fetch_assoc()) {\n    echo \"&lt;p&gt;ID: \" . $row[\"id\"] . \" - \u540d\u7a31: \" . $row[\"name\"] . \"&lt;\/p&gt;\";\n}\necho \"&lt;\/div&gt;\";\n<\/code><\/pre>\n<h2 id=\"%e5%ae%9a%e6%99%82%e5%88%b7%e6%96%b0-QXmYnbmyef\">\u5b9a\u6642\u5237\u65b0<\/h2>\n<p>\u70ba\u4e86\u5be6\u73fe\u5b9a\u6642\u986f\u793a\u6578\u64da\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528JavaScript\u7684setInterval\u51fd\u6578\u4f86\u5b9a\u6642\u5237\u65b0\u9801\u9762\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n&lt;script&gt;\nsetInterval(function() {\n    location.reload();\n}, 5000); \/\/ \u6bcf5\u79d2\u5237\u65b0\u4e00\u6b21\n&lt;\/script&gt;\n<\/code><\/pre>\n<h2 id=\"%e5%ae%8c%e6%95%b4%e7%a4%ba%e4%be%8b-QXmYnbmyef\">\u5b8c\u6574\u793a\u4f8b<\/h2>\n<p>\u7d9c\u5408\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684PHP\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>\n&lt;?php\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\n\n$conn = new mysqli($servername, $username, $password, $dbname);\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\n\n$sql = \"SELECT * FROM table_name\";\n$result = $conn-&gt;query($sql);\n?&gt;\n\n&lt;html&gt;\n&lt;head&gt;\n&lt;title&gt;\u5b9a\u6642\u986f\u793a\u6578\u64da&lt;\/title&gt;\n&lt;script&gt;\nsetInterval(function() {\n    location.reload();\n}, 5000);\n&lt;\/script&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n\n&lt;h2&gt;\u6578\u64da\u5217\u8868&lt;\/h2&gt;\n&lt;div&gt;\n&lt;?php\nif ($result-&gt;num_rows &gt; 0) {\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"&lt;p&gt;ID: \" . $row[\"id\"] . \" - \u540d\u7a31: \" . $row[\"name\"] . \"&lt;\/p&gt;\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n?&gt;\n&lt;\/div&gt;\n\n&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QXmYnbmyef\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528PHP\u5be6\u73fe\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u884c\uff0c\u9084\u80fd\u5920\u6709\u6548\u5730\u5c55\u793a\u5373\u6642\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u66f4\u65b0\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\uff0c\u9019\u7a2e\u6280\u8853\u5c24\u70ba\u91cd\u8981\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u904b\u884c\u60a8\u7684PHP\u61c9\u7528\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\u7db2\u7ad9\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528PHP\u5be6\u73fe\u5b9a\u6642\u986f\u793a\u6578\u64da\u5eab\u6578\u64da\uff0c\u8f15\u9b06\u7372\u53d6\u548c\u66f4\u65b0\u4fe1\u606f\uff0c\u63d0\u5347\u7db2\u7ad9\u52d5\u614b\u6027\u548c\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-96592","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96592","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=96592"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96592\/revisions"}],"predecessor-version":[{"id":96593,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96592\/revisions\/96593"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}