{"id":97082,"date":"2024-10-20T14:51:17","date_gmt":"2024-10-20T06:51:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97082\/"},"modified":"2024-10-20T14:51:18","modified_gmt":"2024-10-20T06:51:18","slug":"p%e5%a6%82%e4%bd%95%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%b2%e8%a1%8c%e9%97%9c%e8%81%af-jsp%e6%80%8e%e9%ba%bc%e5%92%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e9%97%9c%e8%81%af%e8%b5%b7%e4%be%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97082\/","title":{"rendered":"P\u5982\u4f55\u8207\u6578\u64da\u5eab\u9032\u884c\u95dc\u806f (jsp\u600e\u9ebc\u548c\u6578\u64da\u5eab\u95dc\u806f\u8d77\u4f86)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%b2%e8%a1%8c%e9%97%9c%e8%81%af-jsp%e6%80%8e%e9%ba%bc%e5%92%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e9%97%9c%e8%81%af%e8%b5%b7%e4%be%86-hCbGwppjXf\">\u5982\u4f55\u8207\u6578\u64da\u5eab\u9032\u884c\u95dc\u806f (JSP\u600e\u9ebc\u548c\u6578\u64da\u5eab\u95dc\u806f\u8d77\u4f86)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0cJavaServer Pages (JSP) \u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u6280\u8853\uff0c\u80fd\u5920\u52d5\u614b\u751f\u6210 HTML \u9801\u9762\u3002\u8207\u6578\u64da\u5eab\u7684\u95dc\u806f\u662f JSP \u61c9\u7528\u7a0b\u5e8f\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u70ba\u5b83\u4f7f\u5f97\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u5b58\u53d6\u548c\u64cd\u4f5c\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 JSP \u4e2d\u8207\u6578\u64da\u5eab\u9032\u884c\u95dc\u806f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-hCbGwppjXf\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK)<\/li>\n<li>Apache Tomcat \u6216\u5176\u4ed6\u652f\u6301 JSP \u7684\u4f3a\u670d\u5668<\/li>\n<li>\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08\u5982 MySQL\u3001PostgreSQL \u7b49\uff09<\/li>\n<li>JDBC \u9a45\u52d5\u7a0b\u5e8f<\/li>\n<\/ul>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e7%bd%ae-hCbGwppjXf\">2. \u6578\u64da\u5eab\u8a2d\u7f6e<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u548c\u4e00\u500b\u8868\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\u7684 SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE DATABASE exampleDB;\nUSE exampleDB;\n\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(50) NOT NULL\n);<\/code><\/pre>\n<h2 id=\"3-jdbc-%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-hCbGwppjXf\">3. JDBC \u9a45\u52d5\u7a0b\u5e8f<\/h2>\n<p>\u70ba\u4e86\u8b93 JSP \u80fd\u5920\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u60a8\u9700\u8981\u5c07 JDBC \u9a45\u52d5\u7a0b\u5e8f\u6dfb\u52a0\u5230\u60a8\u7684\u9805\u76ee\u4e2d\u3002\u5c0d\u65bc MySQL\uff0c\u60a8\u53ef\u4ee5\u5f9e MySQL \u5b98\u7db2\u4e0b\u8f09 JDBC \u9a45\u52d5\u7a0b\u5e8f\uff0c\u7136\u5f8c\u5c07\u5176\u653e\u7f6e\u5728 Tomcat \u7684 lib \u76ee\u9304\u4e2d\u3002<\/p>\n<h2 id=\"4-jsp-%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%80%a3%e6%8e%a5-hCbGwppjXf\">4. JSP \u8207\u6578\u64da\u5eab\u7684\u9023\u63a5<\/h2>\n<p>\u5728 JSP \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u9023\u63a5\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>&lt;%@ page import=\"java.sql.*\" %&gt;\n&lt;%\n    String url = \"jdbc:mysql:\/\/localhost:3306\/exampleDB\";\n    String user = \"root\";\n    String password = \"your_password\";\n    \n    Connection conn = null;\n    Statement stmt = null;\n    ResultSet rs = null;\n\n    try {\n        Class.forName(\"com.mysql.cj.jdbc.Driver\");\n        conn = DriverManager.getConnection(url, user, password);\n        stmt = conn.createStatement();\n        rs = stmt.executeQuery(\"SELECT * FROM users\");\n\n        while (rs.next()) {\n            out.println(\"User ID: \" + rs.getInt(\"id\") + \", Username: \" + rs.getString(\"username\") + \"&lt;br&gt;\");\n        }\n    } catch (SQLException e) {\n        e.printStackTrace();\n    } finally {\n        if (rs != null) try { rs.close(); } catch (SQLException e) {}\n        if (stmt != null) try { stmt.close(); } catch (SQLException e) {}\n        if (conn != null) try { conn.close(); } catch (SQLException e) {}\n    }\n%&gt;<\/code><\/pre>\n<h2 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-hCbGwppjXf\">5. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u61c9\u8a72\u4f7f\u7528 try-catch \u584a\u4f86\u6355\u7372 SQL \u7570\u5e38\uff0c\u4e26\u9069\u7576\u5730\u8655\u7406\u5b83\u5011\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\uff0c\u4e26\u63d0\u4f9b\u7528\u6236\u53cb\u597d\u7684\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"6-%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-hCbGwppjXf\">6. \u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5728\u8655\u7406\u7528\u6236\u8f38\u5165\u6642\uff0c\u52d9\u5fc5\u6ce8\u610f SQL \u6ce8\u5165\u653b\u64ca\u7684\u98a8\u96aa\u3002\u5efa\u8b70\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\uff08PreparedStatement\uff09\u4f86\u9632\u6b62\u9019\u985e\u653b\u64ca\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>String sql = \"SELECT * FROM users WHERE username = ? AND password = ?\";\nPreparedStatement pstmt = conn.prepareStatement(sql);\npstmt.setString(1, username);\npstmt.setString(2, password);\nResultSet rs = pstmt.executeQuery();<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hCbGwppjXf\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07 JSP \u8207\u6578\u64da\u5eab\u9032\u884c\u95dc\u806f\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\u6027\uff0c\u9084\u80fd\u5920\u70ba\u7528\u6236\u63d0\u4f9b\u66f4\u597d\u7684\u9ad4\u9a57\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684 JSP \u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5c07\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528JSP\u8207\u6578\u64da\u5eab\u9032\u884c\u95dc\u806f\uff0c\u638c\u63e1\u9023\u63a5\u3001\u67e5\u8a62\u548c\u64cd\u4f5c\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f\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-97082","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97082","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=97082"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97082\/revisions"}],"predecessor-version":[{"id":97083,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97082\/revisions\/97083"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}