{"id":97094,"date":"2024-10-20T14:57:21","date_gmt":"2024-10-20T06:57:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97094\/"},"modified":"2024-10-20T14:57:22","modified_gmt":"2024-10-20T06:57:22","slug":"p%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5-%e7%94%a8jsp%e7%b7%a8%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97094\/","title":{"rendered":"P\u5be6\u73fe\u6578\u64da\u5eab\u589e\u522a\u6539\u67e5 (\u7528jsp\u7de8\u5beb\u6578\u64da\u5eab\u7684\u589e\u522a\u6539\u67e5)"},"content":{"rendered":"<h1 id=\"p%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5-%e7%94%a8jsp%e7%b7%a8%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5-HuySREcVDb\">P\u5be6\u73fe\u6578\u64da\u5eab\u589e\u522a\u6539\u67e5 (\u7528JSP\u7de8\u5beb\u6578\u64da\u5eab\u7684\u589e\u522a\u6539\u67e5)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7528\u6236\u7ba1\u7406\u3001\u5546\u54c1\u5eab\u5b58\u9084\u662f\u5176\u4ed6\u6578\u64da\u7684\u5b58\u5132\uff0c\u589e\u522a\u6539\u67e5\uff08CRUD\uff09\u64cd\u4f5c\u90fd\u662f\u57fa\u672c\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528JavaServer Pages\uff08JSP\uff09\u4f86\u5be6\u73fe\u6578\u64da\u5eab\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afcrud%e6%93%8d%e4%bd%9c%ef%bc%9f-HuySREcVDb\">\u4ec0\u9ebc\u662fCRUD\u64cd\u4f5c\uff1f<\/h2>\n<p>CRUD\u662f\u5275\u5efa\uff08Create\uff09\u3001\u8b80\u53d6\uff08Read\uff09\u3001\u66f4\u65b0\uff08Update\uff09\u548c\u522a\u9664\uff08Delete\uff09\u56db\u500b\u57fa\u672c\u64cd\u4f5c\u7684\u7e2e\u5beb\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u4efb\u4f55\u6578\u64da\u9a45\u52d5\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\uff0c\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u79fb\u52d5\u61c9\u7528\u9084\u662f\u684c\u9762\u61c9\u7528\u3002\u901a\u904e\u9019\u4e9b\u64cd\u4f5c\uff0c\u7528\u6236\u53ef\u4ee5\u5c0d\u6578\u64da\u9032\u884c\u5168\u9762\u7684\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-HuySREcVDb\">\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u958b\u767c\u74b0\u5883\u5df2\u7d93\u8a2d\u7f6e\u597d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u8981\u6c42\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK)<\/li>\n<li>Apache Tomcat \u6216\u5176\u4ed6\u652f\u6301JSP\u7684\u4f3a\u670d\u5668<\/li>\n<li>MySQL \u6216\u5176\u4ed6\u95dc\u4fc2\u578b\u6578\u64da\u5eab<\/li>\n<li>JDBC \u9a45\u52d5\u7a0b\u5e8f<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-HuySREcVDb\">\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528JDBC\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static Connection getConnection() {\n        Connection connection = null;\n        try {\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n        } catch (ClassNotFoundException | SQLException e) {\n            e.printStackTrace();\n        }\n        return connection;\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e5%a2%9e%e5%88%aa%e6%94%b9%e6%9f%a5%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-HuySREcVDb\">\u589e\u522a\u6539\u67e5\u64cd\u4f5c\u793a\u4f8b<\/h2>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%ef%bc%88create%ef%bc%89-HuySREcVDb\">1. \u5275\u5efa\uff08Create\uff09<\/h3>\n<p>\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.PreparedStatement;\n\npublic class CreateData {\n    public void insertData(String name, int age) {\n        Connection connection = DatabaseConnection.getConnection();\n        String sql = \"INSERT INTO users (name, age) VALUES (?, ?)\";\n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, name);\n            preparedStatement.setInt(2, age);\n            preparedStatement.executeUpdate();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e8%ae%80%e5%8f%96%ef%bc%88read%ef%bc%89-HuySREcVDb\">2. \u8b80\u53d6\uff08Read\uff09<\/h3>\n<p>\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.ResultSet;\n\npublic class ReadData {\n    public void fetchData() {\n        Connection connection = DatabaseConnection.getConnection();\n        String sql = \"SELECT * FROM users\";\n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql);\n             ResultSet resultSet = preparedStatement.executeQuery()) {\n            while (resultSet.next()) {\n                System.out.println(\"Name: \" + resultSet.getString(\"name\") + \", Age: \" + resultSet.getInt(\"age\"));\n            }\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%ef%bc%88update%ef%bc%89-HuySREcVDb\">3. \u66f4\u65b0\uff08Update\uff09<\/h3>\n<p>\u4ee5\u4e0b\u662f\u66f4\u65b0\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.PreparedStatement;\n\npublic class UpdateData {\n    public void updateData(int id, String name) {\n        Connection connection = DatabaseConnection.getConnection();\n        String sql = \"UPDATE users SET name = ? WHERE id = ?\";\n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, name);\n            preparedStatement.setInt(2, id);\n            preparedStatement.executeUpdate();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%ef%bc%88delete%ef%bc%89-HuySREcVDb\">4. \u522a\u9664\uff08Delete\uff09<\/h3>\n<p>\u4ee5\u4e0b\u662f\u522a\u9664\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.PreparedStatement;\n\npublic class DeleteData {\n    public void deleteData(int id) {\n        Connection connection = DatabaseConnection.getConnection();\n        String sql = \"DELETE FROM users WHERE id = ?\";\n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setInt(1, id);\n            preparedStatement.executeUpdate();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HuySREcVDb\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528JSP\u548cJDBC\u4f86\u5be6\u73fe\u6578\u64da\u5eab\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\u3002\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u662f\u69cb\u5efa\u4efb\u4f55\u6578\u64da\u9a45\u52d5\u61c9\u7528\u7a0b\u5e8f\u7684\u57fa\u790e\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u9019\u4e9b\u64cd\u4f5c\u7684\u5be6\u73fe\u65b9\u5f0f\u4e5f\u5728\u4e0d\u65b7\u6f14\u8b8a\uff0c\u4f46\u5176\u6838\u5fc3\u6982\u5ff5\u59cb\u7d42\u4e0d\u8b8a\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\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\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528JSP\u5be6\u73fe\u6578\u64da\u5eab\u7684\u589e\u522a\u6539\u67e5\u529f\u80fd\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\uff0c\u63d0\u5347\u958b\u767c\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-97094","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97094","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=97094"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97094\/revisions"}],"predecessor-version":[{"id":97095,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97094\/revisions\/97095"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}