{"id":188140,"date":"2024-11-11T20:08:21","date_gmt":"2024-11-11T12:08:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188140\/"},"modified":"2024-11-11T20:08:22","modified_gmt":"2024-11-11T12:08:22","slug":"%e5%9b%9b%e7%b4%9a%e4%b8%8b%e6%8b%89%e6%a1%86%e8%81%af%e5%8b%95-%e6%89%be%e5%87%ba%e5%95%8f%e9%a1%8c%e6%89%80%e5%9c%a8-%e5%9b%9b%e7%b4%9a%e4%b8%8b%e6%8b%89%e6%a1%86%e8%81%af%e5%8b%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188140\/","title":{"rendered":"\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u2014\u2014\u627e\u51fa\u554f\u984c\u6240\u5728 (\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u4e0d\u9023\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%9b%9b%e7%b4%9a%e4%b8%8b%e6%8b%89%e6%a1%86%e8%81%af%e5%8b%95-%e6%89%be%e5%87%ba%e5%95%8f%e9%a1%8c%e6%89%80%e5%9c%a8-%e5%9b%9b%e7%b4%9a%e4%b8%8b%e6%8b%89%e6%a1%86%e8%81%af%e5%8b%95-QQHPLNEEkJ\">\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u2014\u2014\u627e\u51fa\u554f\u984c\u6240\u5728 (\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u4e0d\u9023\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u662f\u4e00\u500b\u5e38\u898b\u7684\u529f\u80fd\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u6839\u64da\u7528\u6236\u9078\u64c7\u7684\u689d\u4ef6\u4f86\u7be9\u9078\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u9019\u7a2e\u529f\u80fd\u901a\u5e38\u6d89\u53ca\u5230\u591a\u500b\u4e0b\u62c9\u6846\u7684\u76f8\u4e92\u4f9d\u8cf4\uff0c\u7576\u7528\u6236\u5728\u7b2c\u4e00\u500b\u4e0b\u62c9\u6846\u4e2d\u9078\u64c7\u4e00\u500b\u9078\u9805\u6642\uff0c\u5f8c\u7e8c\u7684\u4e0b\u62c9\u6846\u6703\u6839\u64da\u9019\u500b\u9078\u64c7\u52d5\u614b\u66f4\u65b0\u3002\u7136\u800c\uff0c\u7576\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u4e0d\u9023\u63a5\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7528\u6236\u9ad4\u9a57\u4e0d\u4f73\uff0c\u751a\u81f3\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u529f\u80fd\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u554f\u984c\u7684\u53ef\u80fd\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e5%9b%9b%e7%b4%9a%e4%b8%8b%e6%8b%89%e6%a1%86%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-QQHPLNEEkJ\">\u56db\u7d1a\u4e0b\u62c9\u6846\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u7684\u57fa\u672c\u539f\u7406\u662f\u901a\u904e JavaScript \u6216 jQuery \u4f86\u5be6\u73fe\u7684\u3002\u7576\u7528\u6236\u5728\u7b2c\u4e00\u500b\u4e0b\u62c9\u6846\u4e2d\u9078\u64c7\u4e00\u500b\u9078\u9805\u6642\uff0c\u524d\u7aef\u4ee3\u78bc\u6703\u767c\u9001\u4e00\u500b\u8acb\u6c42\u5230\u5f8c\u7aef\uff0c\u5f8c\u7aef\u6839\u64da\u8acb\u6c42\u7684\u53c3\u6578\u67e5\u8a62\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u8fd4\u56de\u76f8\u61c9\u7684\u6578\u64da\uff0c\u6700\u7d42\u66f4\u65b0\u5f8c\u7e8c\u7684\u4e0b\u62c9\u6846\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e7%9a%84%e5%af%a6%e7%8f%be%e6%ad%a5%e9%a9%9f-QQHPLNEEkJ\">\u57fa\u672c\u7684\u5be6\u73fe\u6b65\u9a5f<\/h3>\n<ul>\n<li>\u5275\u5efa\u56db\u500b\u4e0b\u62c9\u6846\uff0c\u5206\u5225\u5c0d\u61c9\u4e0d\u540c\u7684\u5c64\u7d1a\u3002<\/li>\n<li>\u70ba\u7b2c\u4e00\u500b\u4e0b\u62c9\u6846\u6dfb\u52a0\u4e8b\u4ef6\u76e3\u807d\u5668\uff0c\u7576\u9078\u64c7\u6539\u8b8a\u6642\u89f8\u767c AJAX \u8acb\u6c42\u3002<\/li>\n<li>\u5f8c\u7aef\u63a5\u6536\u8acb\u6c42\uff0c\u67e5\u8a62\u6578\u64da\u5eab\uff0c\u4e26\u8fd4\u56de\u76f8\u61c9\u7684\u6578\u64da\u3002<\/li>\n<li>\u6839\u64da\u8fd4\u56de\u7684\u6578\u64da\u66f4\u65b0\u7b2c\u4e8c\u3001\u7b2c\u4e09\u548c\u7b2c\u56db\u500b\u4e0b\u62c9\u6846\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-QQHPLNEEkJ\">\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c-QQHPLNEEkJ\">1. \u6578\u64da\u5eab\u9023\u63a5\u554f\u984c<\/h3>\n<p>\u5982\u679c\u56db\u7d1a\u4e0b\u62c9\u6846\u7121\u6cd5\u6b63\u5e38\u986f\u793a\u6578\u64da\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u9023\u63a5\u662f\u5426\u6b63\u5e38\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u4ee3\u78bc\u6aa2\u67e5\u9023\u63a5\uff1a<\/p>\n<pre><code>\n$conn = new mysqli($servername, $username, $password, $dbname);\nif ($conn-&gt;connect_error) {\n    die(\"Connection failed: \" . $conn-&gt;connect_error);\n}\n<\/code><\/pre>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u6b63\u78ba\u7121\u8aa4\u3002<\/p>\n<h3 id=\"2-ajax-%e8%ab%8b%e6%b1%82%e5%95%8f%e9%a1%8c-QQHPLNEEkJ\">2. AJAX \u8acb\u6c42\u554f\u984c<\/h3>\n<p>\u5982\u679c\u6578\u64da\u5eab\u9023\u63a5\u6b63\u5e38\uff0c\u4f46\u4e0b\u62c9\u6846\u4ecd\u7136\u4e0d\u66f4\u65b0\uff0c\u5247\u9700\u8981\u6aa2\u67e5 AJAX \u8acb\u6c42\u662f\u5426\u6b63\u78ba\u767c\u9001\u3002\u53ef\u4ee5\u4f7f\u7528\u700f\u89bd\u5668\u7684\u958b\u767c\u8005\u5de5\u5177\u67e5\u770b\u7db2\u7d61\u8acb\u6c42\uff0c\u78ba\u4fdd\u8acb\u6c42\u7684 URL \u548c\u53c3\u6578\u6b63\u78ba\u3002<\/p>\n<pre><code>\n$.ajax({\n    url: 'your_backend_script.php',\n    type: 'POST',\n    data: { id: selectedValue },\n    success: function(data) {\n        \/\/ \u66f4\u65b0\u4e0b\u62c9\u6846\n    }\n});\n<\/code><\/pre>\n<h3 id=\"3-%e8%bf%94%e5%9b%9e%e6%95%b8%e6%93%9a%e6%a0%bc%e5%bc%8f%e5%95%8f%e9%a1%8c-QQHPLNEEkJ\">3. \u8fd4\u56de\u6578\u64da\u683c\u5f0f\u554f\u984c<\/h3>\n<p>\u5f8c\u7aef\u8fd4\u56de\u7684\u6578\u64da\u683c\u5f0f\u4e5f\u53ef\u80fd\u5f71\u97ff\u4e0b\u62c9\u6846\u7684\u66f4\u65b0\u3002\u78ba\u4fdd\u8fd4\u56de\u7684\u6578\u64da\u662f JSON \u683c\u5f0f\uff0c\u4e26\u4e14\u7d50\u69cb\u6b63\u78ba\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\necho json_encode($data);\n<\/code><\/pre>\n<p>\u5728\u524d\u7aef\u63a5\u6536\u6578\u64da\u5f8c\uff0c\u61c9\u8a72\u6b63\u78ba\u89e3\u6790\u4e26\u66f4\u65b0\u4e0b\u62c9\u6846\u7684\u9078\u9805\u3002<\/p>\n<h3 id=\"4-%e5%89%8d%e7%ab%af%e4%bb%a3%e7%a2%bc%e9%8c%af%e8%aa%a4-QQHPLNEEkJ\">4. \u524d\u7aef\u4ee3\u78bc\u932f\u8aa4<\/h3>\n<p>\u6700\u5f8c\uff0c\u524d\u7aef\u7684 JavaScript \u4ee3\u78bc\u4e5f\u53ef\u80fd\u5b58\u5728\u932f\u8aa4\u3002\u6aa2\u67e5\u662f\u5426\u6709\u8a9e\u6cd5\u932f\u8aa4\u6216\u908f\u8f2f\u932f\u8aa4\uff0c\u4e26\u78ba\u4fdd\u5728\u66f4\u65b0\u4e0b\u62c9\u6846\u6642\u6b63\u78ba\u64cd\u4f5c DOM\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-QQHPLNEEkJ\">\u7d50\u8ad6<\/h2>\n<p>\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u4f46\u5728\u5be6\u73fe\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u591a\u7a2e\u554f\u984c\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u5eab\u9023\u63a5\u3001AJAX \u8acb\u6c42\u3001\u8fd4\u56de\u6578\u64da\u683c\u5f0f\u4ee5\u53ca\u524d\u7aef\u4ee3\u78bc\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u627e\u51fa\u554f\u984c\u6240\u5728\u4e26\u9032\u884c\u4fee\u6b63\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u56db\u7d1a\u4e0b\u62c9\u6846\u806f\u52d5\u554f\u984c\uff0c\u89e3\u6c7a\u4e0d\u9023\u63a5\u6578\u64da\u5eab\u7684\u6311\u6230\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u8207\u6578\u64da\u6e96\u78ba\u6027\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-188140","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188140","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=188140"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188140\/revisions"}],"predecessor-version":[{"id":188141,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188140\/revisions\/188141"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}