{"id":194565,"date":"2024-11-13T07:43:18","date_gmt":"2024-11-12T23:43:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194565\/"},"modified":"2024-11-13T07:43:19","modified_gmt":"2024-11-12T23:43:19","slug":"%e7%94%a8php%e5%af%a6%e7%8f%be%e7%b6%b2%e9%a0%81%e6%95%b8%e6%93%9a%e7%9a%84%e6%8a%93%e5%8f%96%e5%92%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8f%92%e5%85%a5-php%e6%8a%93%e5%8f%96%e7%b6%b2%e9%a0%81%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194565\/","title":{"rendered":"\u7528PHP\u5be6\u73fe\u7db2\u9801\u6578\u64da\u7684\u6293\u53d6\u548c\u6578\u64da\u5eab\u63d2\u5165 (php\u6293\u53d6\u7db2\u9801\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e7%94%a8php%e5%af%a6%e7%8f%be%e7%b6%b2%e9%a0%81%e6%95%b8%e6%93%9a%e7%9a%84%e6%8a%93%e5%8f%96%e5%92%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8f%92%e5%85%a5-UfwzTLKYbp\">\u7528PHP\u5be6\u73fe\u7db2\u9801\u6578\u64da\u7684\u6293\u53d6\u548c\u6578\u64da\u5eab\u63d2\u5165<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u5b57\u6642\u4ee3\uff0c\u6578\u64da\u7684\u7372\u53d6\u548c\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u90fd\u5e0c\u671b\u80fd\u5920\u81ea\u52d5\u5316\u5730\u5f9e\u7db2\u9801\u4e0a\u6293\u53d6\u6578\u64da\uff0c\u4e26\u5c07\u9019\u4e9b\u6578\u64da\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u5be6\u73fe\u7db2\u9801\u6578\u64da\u7684\u6293\u53d6\u548c\u6578\u64da\u5eab\u63d2\u5165\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87php%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e6%8a%93%e5%8f%96-UfwzTLKYbp\">\u70ba\u4ec0\u9ebc\u9078\u64c7PHP\u9032\u884c\u6578\u64da\u6293\u53d6<\/h2>\n<p>PHP\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u8173\u672c\u8a9e\u8a00\uff0c\u7279\u5225\u9069\u5408\u65bc\u7db2\u9801\u958b\u767c\u3002\u5176\u5f37\u5927\u7684\u5eab\u548c\u6846\u67b6\u4f7f\u5f97\u6578\u64da\u6293\u53d6\u8b8a\u5f97\u7c21\u55ae\u9ad8\u6548\u3002\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u6293\u53d6\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6613\u65bc\u5b78\u7fd2\u548c\u4f7f\u7528\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u521d\u5b78\u8005\u3002<\/li>\n<li>\u64c1\u6709\u8c50\u5bcc\u7684\u5eab\uff0c\u5982cURL\u548cDOMDocument\uff0c\u65b9\u4fbf\u9032\u884c\u7db2\u9801\u8acb\u6c42\u548c\u89e3\u6790\u3002<\/li>\n<li>\u8207\u5404\u7a2e\u6578\u64da\u5eab\uff08\u5982MySQL\uff09\u7121\u7e2b\u96c6\u6210\uff0c\u4fbf\u65bc\u6578\u64da\u5b58\u5132\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%8a%93%e5%8f%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-UfwzTLKYbp\">\u6578\u64da\u6293\u53d6\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u6578\u64da\u6293\u53d6\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u767c\u9001HTTP\u8acb\u6c42\u4ee5\u7372\u53d6\u7db2\u9801\u5167\u5bb9\u3002<\/li>\n<li>\u89e3\u6790HTML\u5167\u5bb9\u4ee5\u63d0\u53d6\u6240\u9700\u6578\u64da\u3002<\/li>\n<li>\u5c07\u63d0\u53d6\u7684\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/li>\n<\/ol>\n<h3 id=\"1-%e7%99%bc%e9%80%81http%e8%ab%8b%e6%b1%82-UfwzTLKYbp\">1. \u767c\u9001HTTP\u8acb\u6c42<\/h3>\n<p>\u4f7f\u7528PHP\u7684cURL\u5eab\u53ef\u4ee5\u8f15\u9b06\u767c\u9001HTTP\u8acb\u6c42\u3002\u4ee5\u4e0b\u662f\u767c\u9001GET\u8acb\u6c42\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$url = \"https:\/\/example.com\"; \/\/ \u76ee\u6a19\u7db2\u5740\n$ch = curl_init($url);\ncurl_setopt($ch, CURLOPT_RETURNTRANSFER, true);\n$response = curl_exec($ch);\ncurl_close($ch);\n<\/code><\/pre>\n<h3 id=\"2-%e8%a7%a3%e6%9e%90html%e5%85%a7%e5%ae%b9-UfwzTLKYbp\">2. \u89e3\u6790HTML\u5167\u5bb9<\/h3>\n<p>\u7372\u53d6\u5230\u7db2\u9801\u5167\u5bb9\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528DOMDocument\u985e\u4f86\u89e3\u6790HTML\u3002\u4ee5\u4e0b\u662f\u89e3\u6790HTML\u4e26\u63d0\u53d6\u7279\u5b9a\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$dom = new DOMDocument();\nlibxml_use_internal_errors(true); \/\/ \u5ffd\u7565\u89e3\u6790\u932f\u8aa4\n$dom-&gt;loadHTML($response);\nlibxml_clear_errors();\n\n$xpath = new DOMXPath($dom);\n$elements = $xpath-&gt;query(\"\/\/h2\"); \/\/ \u5047\u8a2d\u6211\u5011\u8981\u63d0\u53d6\u6240\u6709\u7684<h2>\u6a19\u7c64\n\nforeach ($elements as $element) {\n    echo $element-&gt;nodeValue . \"n\"; \/\/ \u8f38\u51fa\u63d0\u53d6\u7684\u6578\u64da\n}\n<\/code><\/pre>\n<h3 id=\"3-%e5%b0%87%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-UfwzTLKYbp\">3. \u5c07\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab<\/h3>\n<p>\u6700\u5f8c\uff0c\u5c07\u63d0\u53d6\u7684\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PDO\u9032\u884c\u6578\u64da\u5eab\u63d2\u5165\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$dsn = \"mysql:host=localhost;dbname=testdb;charset=utf8\";\n$username = \"root\";\n$password = \"password\";\n\ntry {\n    $pdo = new PDO($dsn, $username, $password);\n    $pdo-&gt;setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n\n    $stmt = $pdo-&gt;prepare(\"INSERT INTO articles (title) VALUES (:title)\");\n    $stmt-&gt;bindParam(':title', $title);\n\n    foreach ($elements as $element) {\n        $title = $element-&gt;nodeValue;\n        $stmt-&gt;execute();\n    }\n} catch (PDOException $e) {\n    echo \"\u6578\u64da\u5eab\u932f\u8aa4: \" . $e-&gt;getMessage();\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-UfwzTLKYbp\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u7db2\u9801\u6578\u64da\u6293\u53d6\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u9075\u5faa\u7db2\u7ad9\u7684robots.txt\u6587\u4ef6\uff0c\u78ba\u4fdd\u4e0d\u9055\u53cd\u7db2\u7ad9\u7684\u6293\u53d6\u898f\u5247\u3002<\/li>\n<li>\u907f\u514d\u904e\u65bc\u983b\u7e41\u7684\u8acb\u6c42\uff0c\u4ee5\u514d\u5c0d\u76ee\u6a19\u7db2\u7ad9\u9020\u6210\u8ca0\u64d4\u3002<\/li>\n<li>\u78ba\u4fdd\u8655\u7406\u597d\u932f\u8aa4\u548c\u7570\u5e38\u60c5\u6cc1\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UfwzTLKYbp\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528PHP\u9032\u884c\u7db2\u9801\u6578\u64da\u7684\u6293\u53d6\u548c\u6578\u64da\u5eab\u63d2\u5165\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u81ea\u52d5\u5316\u6578\u64da\u7372\u53d6\u548c\u5b58\u5132\u7684\u5de5\u4f5c\u3002\u7121\u8ad6\u662f\u7528\u65bc\u6578\u64da\u5206\u6790\u9084\u662f\u5167\u5bb9\u7ba1\u7406\uff0c\u9019\u7a2e\u6280\u8853\u90fd\u80fd\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u904b\u884c\u60a8\u7684PHP\u61c9\u7528\u7a0b\u5e8f\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\u652f\u6301\u60a8\u7684\u9805\u76ee\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528PHP\u5be6\u73fe\u7db2\u9801\u6578\u64da\u6293\u53d6\u4e26\u5c07\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u81ea\u52d5\u5316\u6578\u64da\u6536\u96c6\u8207\u7ba1\u7406\uff0c\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\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-194565","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194565","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=194565"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194565\/revisions"}],"predecessor-version":[{"id":194566,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194565\/revisions\/194566"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}