{"id":58353,"date":"2024-10-12T20:04:23","date_gmt":"2024-10-12T12:04:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58353\/"},"modified":"2024-10-12T20:04:23","modified_gmt":"2024-10-12T12:04:23","slug":"ajax-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%88%87php%e7%9a%84%e5%af%a6%e4%be%8b%e6%bc%94%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58353\/","title":{"rendered":"AJAX MySQL \u6578\u64da\u5eab\u8207PHP\u7684\u5be6\u4f8b\u6f14\u793a"},"content":{"rendered":"<h1 id=\"ajax-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%88%87-php-%e7%9a%84%e5%af%a6%e4%be%8b%e6%bc%94%e7%a4%ba-cxsScjVkuV\">AJAX MySQL \u6578\u64da\u5eab\u8207 PHP \u7684\u5be6\u4f8b\u6f14\u793a<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u9801\u958b\u767c\u4e2d\uff0cAJAX\uff08Asynchronous JavaScript and XML\uff09\u6280\u8853\u7684\u4f7f\u7528\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u5b83\u5141\u8a31\u7db2\u9801\u5728\u4e0d\u91cd\u65b0\u52a0\u8f09\u6574\u500b\u9801\u9762\u7684\u60c5\u6cc1\u4e0b\uff0c\u8207\u4f3a\u670d\u5668\u9032\u884c\u7570\u6b65\u901a\u4fe1\u3002\u7d50\u5408 MySQL \u6578\u64da\u5eab\u548c PHP\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5275\u5efa\u52d5\u614b\u4e14\u4e92\u52d5\u6027\u5f37\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c07\u901a\u904e\u4e00\u500b\u7c21\u55ae\u7684\u5be6\u4f8b\u4f86\u6f14\u793a\u5982\u4f55\u4f7f\u7528 AJAX\u3001MySQL \u548c PHP \u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-cxsScjVkuV\">\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u958b\u767c\u74b0\u5883\u4e2d\u5df2\u5b89\u88dd\u4ee5\u4e0b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li>Web \u4f3a\u670d\u5668\uff08\u5982 Apache \u6216 Nginx\uff09<\/li>\n<li>PHP 5.6 \u6216\u66f4\u9ad8\u7248\u672c<\/li>\n<li>MySQL \u6578\u64da\u5eab<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e7%bd%ae-cxsScjVkuV\">\u6578\u64da\u5eab\u8a2d\u7f6e<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b MySQL \u6578\u64da\u5eab\u548c\u4e00\u500b\u8868\u4f86\u5b58\u5132\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\u7684 SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>\nCREATE DATABASE ajax_demo;\n\nUSE ajax_demo;\n\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u63d2\u5165\u4e00\u4e9b\u6e2c\u8a66\u6578\u64da\uff1a<\/p>\n<pre><code>\nINSERT INTO users (name, email) VALUES ('\u5f35\u4e09', 'zhangsan@example.com');\nINSERT INTO users (name, email) VALUES ('\u674e\u56db', 'lisi@example.com');\n<\/code><\/pre>\n<h2 id=\"php-%e6%96%87%e4%bb%b6-cxsScjVkuV\">PHP \u6587\u4ef6<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b PHP \u6587\u4ef6\u4f86\u8655\u7406 AJAX \u8acb\u6c42\u3002\u9019\u500b\u6587\u4ef6\u5c07\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u7528\u6236\u6578\u64da\u4e26\u8fd4\u56de JSON \u683c\u5f0f\u7684\u97ff\u61c9\u3002<\/p>\n<pre><code>\nconnect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\n\n$sql = \"SELECT id, name, email FROM users\";\n$result = $conn-&gt;query($sql);\n\n$users = array();\nif ($result-&gt;num_rows &gt; 0) {\n    while($row = $result-&gt;fetch_assoc()) {\n        $users[] = $row;\n    }\n}\n\necho json_encode($users);\n$conn-&gt;close();\n?&gt;\n<\/code><\/pre>\n<h2 id=\"ajax-%e8%ab%8b%e6%b1%82-cxsScjVkuV\">AJAX \u8acb\u6c42<\/h2>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u9700\u8981\u5728\u524d\u7aef\u4f7f\u7528 AJAX \u767c\u9001\u8acb\u6c42\u4ee5\u7372\u53d6\u7528\u6236\u6578\u64da\u3002\u4ee5\u4e0b\u662f HTML \u548c JavaScript \u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n\n\n\n    \n    <title>AJAX MySQL \u8207 PHP \u793a\u4f8b<\/title>\n    \n\n\n    <h1 id=\"%e7%94%a8%e6%88%b6%e5%88%97%e8%a1%a8-cxsScjVkuV\">\u7528\u6236\u5217\u8868<\/h1>\n    <button id=\"load-users\">\u52a0\u8f09\u7528\u6236<\/button>\n    <ul id=\"user-list\"><\/ul>\n\n    \n        $(document).ready(function(){\n            $(\"#load-users\").click(function(){\n                $.ajax({\n                    url: \"fetch_users.php\",\n                    type: \"GET\",\n                    dataType: \"json\",\n                    success: function(data) {\n                        $(\"#user-list\").empty();\n                        $.each(data, function(index, user) {\n                            $(\"#user-list\").append(\"<li>\" + user.name + \" - \" + user.email + \"<\/li>\");\n                        });\n                    },\n                    error: function() {\n                        alert(\"\u7121\u6cd5\u52a0\u8f09\u7528\u6236\u6578\u64da\");\n                    }\n                });\n            });\n        });\n    \n\n\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cxsScjVkuV\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u5011\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 AJAX\u3001MySQL \u548c PHP \u4f86\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u52d5\u614b\u61c9\u7528\u7a0b\u5e8f\u3002\u9019\u7a2e\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u6709\u6548\u5730\u6e1b\u5c11\u4f3a\u670d\u5668\u8ca0\u64d4\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u74b0\u5883\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u642d\u5efa\u7db2\u7ad9\u9084\u662f\u958b\u767c\u61c9\u7528\uff0c\u9078\u64c7\u4e00\u500b\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22AJAX\u8207MySQL\u6578\u64da\u5eab\u7d50\u5408PHP\u7684\u5be6\u4f8b\u6f14\u793a\uff0c\u5b78\u7fd2\u5982\u4f55\u5be6\u73fe\u52d5\u614b\u6578\u64da\u52a0\u8f09\u8207\u4ea4\u4e92\u5f0f\u7db2\u9801\u61c9\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-58353","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58353","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=58353"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58353\/revisions"}],"predecessor-version":[{"id":58354,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58353\/revisions\/58354"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}