{"id":194029,"date":"2024-11-13T03:10:23","date_gmt":"2024-11-12T19:10:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194029\/"},"modified":"2024-11-13T03:10:24","modified_gmt":"2024-11-12T19:10:24","slug":"%e4%b8%80%e9%8d%b5%e6%9f%a5%e8%a9%a2%e8%aa%b2%e7%a8%8b%ef%bc%8c%e8%bc%95%e9%ac%86%e6%8e%8c%e6%8f%a1%e8%aa%b2%e7%a8%8b%e4%bf%a1%e6%81%af%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e4%be%86%e5%b9%ab%e5%bf%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194029\/","title":{"rendered":"\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\uff0c\u8f15\u9b06\u638c\u63e1\u8ab2\u7a0b\u4fe1\u606f\uff0c\u6578\u64da\u5eab\u4f86\u5e6b\u5fd9\uff01\uff08\u6578\u64da\u5eab\u67e5\u8a62\u6240\u6709\u8ab2\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"%e4%b8%80%e9%8d%b5%e6%9f%a5%e8%a9%a2%e8%aa%b2%e7%a8%8b%ef%bc%8c%e8%bc%95%e9%ac%86%e6%8e%8c%e6%8f%a1%e8%aa%b2%e7%a8%8b%e4%bf%a1%e6%81%af%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e4%be%86%e5%b9%ab%e5%bf%99-NpFwRQsfCU\">\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\uff0c\u8f15\u9b06\u638c\u63e1\u8ab2\u7a0b\u4fe1\u606f\uff0c\u6578\u64da\u5eab\u4f86\u5e6b\u5fd9\uff01\uff08\u6578\u64da\u5eab\u67e5\u8a62\u6240\u6709\u8ab2\u7a0b\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u5b57\u5316\u7684\u6642\u4ee3\uff0c\u6559\u80b2\u8cc7\u6e90\u7684\u7372\u53d6\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u65b9\u4fbf\u3002\u96a8\u8457\u5728\u7dda\u5b78\u7fd2\u7684\u8208\u8d77\uff0c\u5b78\u751f\u548c\u5b78\u7fd2\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u67e5\u8a62\u5404\u7a2e\u8ab2\u7a0b\u4fe1\u606f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528\u6578\u64da\u5eab\u6280\u8853\u4f86\u5be6\u73fe\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\u7684\u529f\u80fd\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u638c\u63e1\u6240\u9700\u7684\u8ab2\u7a0b\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-NpFwRQsfCU\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u4fe1\u606f\u3002\u5b83\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u8a9e\u8a00\uff08\u5982SQL\uff09\u4f86\u9032\u884c\u6578\u64da\u7684\u6aa2\u7d22\u548c\u64cd\u4f5c\u3002\u5c0d\u65bc\u6559\u80b2\u6a5f\u69cb\u4f86\u8aaa\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u8ab2\u7a0b\u4fe1\u606f\u3001\u5b78\u751f\u8cc7\u6599\u3001\u6559\u5e2b\u4fe1\u606f\u7b49\uff0c\u5f9e\u800c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e4%b8%80%e9%8d%b5%e6%9f%a5%e8%a9%a2%e8%aa%b2%e7%a8%8b%e7%9a%84%e5%af%a6%e7%8f%be-NpFwRQsfCU\">\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\u7684\u5be6\u73fe<\/h2>\n<p>\u8981\u5be6\u73fe\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\u7684\u529f\u80fd\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE TABLE courses (\n    course_id INT PRIMARY KEY,\n    course_name VARCHAR(100),\n    course_description TEXT,\n    course_duration INT,\n    course_fee DECIMAL(10, 2)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201ccourses\u201d\u7684\u8868\uff0c\u5305\u542b\u8ab2\u7a0b\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u5982\u8ab2\u7a0bID\u3001\u540d\u7a31\u3001\u63cf\u8ff0\u3001\u6642\u9577\u548c\u8cbb\u7528\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e7%a4%ba%e4%be%8b-NpFwRQsfCU\">\u6578\u64da\u63d2\u5165\u793a\u4f8b<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u63d2\u5165\u4e00\u4e9b\u793a\u4f8b\u6578\u64da\uff1a<\/p>\n<pre><code>\nINSERT INTO courses (course_id, course_name, course_description, course_duration, course_fee) VALUES\n(1, '\u7db2\u9801\u8a2d\u8a08\u5165\u9580', '\u5b78\u7fd2\u57fa\u672c\u7684HTML\u548cCSS\u77e5\u8b58', 30, 1500.00),\n(2, '\u6578\u64da\u5eab\u7ba1\u7406', '\u638c\u63e1SQL\u8a9e\u8a00\u548c\u6578\u64da\u5eab\u8a2d\u8a08', 40, 2000.00),\n(3, 'Python\u7de8\u7a0b', '\u5b78\u7fd2Python\u8a9e\u8a00\u7684\u57fa\u790e\u548c\u61c9\u7528', 50, 2500.00);\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%aa%b2%e7%a8%8b%e4%bf%a1%e6%81%af-NpFwRQsfCU\">\u67e5\u8a62\u8ab2\u7a0b\u4fe1\u606f<\/h2>\n<p>\u4e00\u65e6\u6578\u64da\u5eab\u4e2d\u6709\u4e86\u8ab2\u7a0b\u4fe1\u606f\uff0c\u7528\u6236\u5c31\u53ef\u4ee5\u901a\u904e\u7c21\u55ae\u7684\u67e5\u8a62\u4f86\u7372\u53d6\u6240\u9700\u7684\u8ab2\u7a0b\u8cc7\u6599\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6240\u6709\u8ab2\u7a0b\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>\nSELECT * FROM courses;\n<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8ab2\u7a0b\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u4f7f\u7528\u6236\u80fd\u5920\u8f15\u9b06\u67e5\u770b\u5404\u7a2e\u8ab2\u7a0b\u7684\u5167\u5bb9\u3002<\/p>\n<h3 id=\"%e7%af%a9%e9%81%b8%e6%9f%a5%e8%a9%a2-NpFwRQsfCU\">\u7be9\u9078\u67e5\u8a62<\/h3>\n<p>\u9664\u4e86\u67e5\u8a62\u6240\u6709\u8ab2\u7a0b\u5916\uff0c\u7528\u6236\u9084\u53ef\u4ee5\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u9032\u884c\u7be9\u9078\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7528\u6236\u53ea\u60f3\u67e5\u8a62\u8cbb\u7528\u4f4e\u65bc2000\u7684\u8ab2\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>\nSELECT * FROM courses WHERE course_fee &lt; 2000;\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u7b26\u5408\u9810\u7b97\u7684\u8ab2\u7a0b\u3002<\/p>\n<h2 id=\"%e5%89%8d%e7%ab%af%e5%af%a6%e7%8f%be-NpFwRQsfCU\">\u524d\u7aef\u5be6\u73fe<\/h2>\n<p>\u70ba\u4e86\u8b93\u7528\u6236\u80fd\u5920\u65b9\u4fbf\u5730\u9032\u884c\u67e5\u8a62\uff0c\u6211\u5011\u53ef\u4ee5\u8a2d\u8a08\u4e00\u500b\u7c21\u55ae\u7684\u524d\u7aef\u754c\u9762\u3002\u4f7f\u7528HTML\u548cJavaScript\uff0c\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u7528\u6236\u53cb\u597d\u7684\u67e5\u8a62\u8868\u55ae\uff1a<\/p>\n<pre><code>\n\n    <label for=\"maxFee\">\u6700\u5927\u8cbb\u7528:<\/label>\n    \n    \n\n<div id=\"results\"><\/div>\n\n    document.getElementById('courseQueryForm').onsubmit = function(event) {\n        event.preventDefault();\n        \/\/ AJAX\u8acb\u6c42\u4ee5\u7372\u53d6\u8ab2\u7a0b\u6578\u64da\n    };\n\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u8868\u55ae\uff0c\u5141\u8a31\u7528\u6236\u8f38\u5165\u6700\u5927\u8cbb\u7528\u4e26\u63d0\u4ea4\u67e5\u8a62\u3002\u901a\u904eAJAX\u8acb\u6c42\uff0c\u53ef\u4ee5\u5be6\u73fe\u7121\u9700\u91cd\u65b0\u52a0\u8f09\u9801\u9762\u7684\u6578\u64da\u7372\u53d6\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-NpFwRQsfCU\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u5229\u7528\u6578\u64da\u5eab\u6280\u8853\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\u7684\u529f\u80fd\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u638c\u63e1\u6240\u9700\u7684\u8ab2\u7a0b\u4fe1\u606f\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u5b78\u7fd2\u6548\u7387\uff0c\u4e5f\u4f7f\u5f97\u6559\u80b2\u8cc7\u6e90\u7684\u7372\u53d6\u8b8a\u5f97\u66f4\u52a0\u4fbf\u6377\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86\u7684\u8ab2\u7a0b\u67e5\u8a62\u7cfb\u7d71\u5c07\u6703\u66f4\u52a0\u667a\u80fd\u5316\u548c\u4eba\u6027\u5316\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u9375\u67e5\u8a62\u8ab2\u7a0b\uff0c\u8f15\u9b06\u638c\u63e1\u6240\u6709\u8ab2\u7a0b\u4fe1\u606f\uff0c\u6578\u64da\u5eab\u52a9\u4f60\u5feb\u901f\u627e\u5230\u6240\u9700\u8cc7\u6599\uff0c\u63d0\u5347\u5b78\u7fd2\u6548\u7387\uff01<\/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-194029","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194029","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=194029"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194029\/revisions"}],"predecessor-version":[{"id":194030,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194029\/revisions\/194030"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}