{"id":185326,"date":"2024-11-10T20:37:21","date_gmt":"2024-11-10T12:37:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185326\/"},"modified":"2024-11-10T20:37:22","modified_gmt":"2024-11-10T12:37:22","slug":"%e4%bd%bf%e7%94%a8struts2%e4%b8%8b%e6%8b%89%e5%88%97%e8%a1%a8%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%ef%bc%88struts2%e4%b8%8b%e6%8b%89%e5%88%97%e8%a1%a8%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185326\/","title":{"rendered":"\u4f7f\u7528Struts2\u4e0b\u62c9\u5217\u8868\u64cd\u4f5c\u6578\u64da\u5eab\u6578\u64da\uff08struts2\u4e0b\u62c9\u5217\u8868\u6578\u64da\u5eab\uff09"},"content":{"rendered":"

\u4f7f\u7528Struts2\u4e0b\u62c9\u5217\u8868\u64cd\u4f5c\u6578\u64da\u5eab\u6578\u64da<\/h1>\n

\u5728\u73fe\u4ee3\u7684Web\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u4f7f\u7528\u6846\u67b6\u4f86\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u662f\u975e\u5e38\u666e\u904d\u7684\u505a\u6cd5\u3002Apache Struts2\u662f\u4e00\u500b\u6d41\u884c\u7684Java Web\u61c9\u7528\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u4f86\u8655\u7406\u7528\u6236\u8acb\u6c42\u548c\u6578\u64da\u4ea4\u4e92\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Struts2\u4f86\u5275\u5efa\u4e00\u500b\u4e0b\u62c9\u5217\u8868\uff0c\u4e26\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6578\u64da\u3002<\/p>\n

Struts2\u7c21\u4ecb<\/h2>\n

Struts2\u662f\u4e00\u500b\u57fa\u65bcMVC\uff08\u6a21\u578b-\u8996\u5716-\u63a7\u5236\u5668\uff09\u67b6\u69cb\u7684\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316Web\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u3002\u5b83\u63d0\u4f9b\u4e86\u8a31\u591a\u529f\u80fd\uff0c\u5305\u62ec\u8868\u55ae\u8655\u7406\u3001\u6578\u64da\u9a57\u8b49\u548c\u570b\u969b\u5316\u7b49\u3002\u4f7f\u7528Struts2\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u53ef\u7dad\u8b77\u548c\u53ef\u64f4\u5c55\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u78ba\u4fdd\u80fd\u5920\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u9019\u901a\u5e38\u901a\u904e\u914d\u7f6e\u6578\u64da\u6e90\u4f86\u5be6\u73fe\u3002\u5728Struts2\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Hibernate\u6216JDBC\u4f86\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528JDBC\u9023\u63a5\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n

import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    private static final String URL = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n    private static final String USER = \"your_username\";\n    private static final String PASSWORD = \"your_password\";\n\n    public static Connection getConnection() throws SQLException {\n        return DriverManager.getConnection(URL, USER, PASSWORD);\n    }\n}\n<\/code><\/pre>\n
\u5275\u5efa\u4e0b\u62c9\u5217\u8868<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u4e0b\u62c9\u5217\u8868\uff0c\u8a72\u5217\u8868\u5c07\u986f\u793a\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u7684\u6578\u64da\u3002\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500bAction\u985e\u4f86\u8655\u7406\u6578\u64da\u7684\u7372\u53d6\uff1a<\/p>\n
import com.opensymphony.xwork2.ActionSupport;\nimport java.sql.Connection;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\nimport java.util.ArrayList;\nimport java.util.List;\n\npublic class DropdownAction extends ActionSupport {\n    private List items;\n\n    public String execute() {\n        items = new ArrayList();\n        try (Connection connection = DatabaseConnection.getConnection();\n             Statement statement = connection.createStatement()) {\n            ResultSet resultSet = statement.executeQuery(\"SELECT name FROM your_table\");\n            while (resultSet.next()) {\n                items.add(resultSet.getString(\"name\"));\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n        return SUCCESS;\n    }\n\n    public List getItems() {\n        return items;\n    }\n}\n<\/code><\/pre>\n
\u914d\u7f6estruts.xml<\/h2>\n
\u5728\u914d\u7f6e\u6587\u4ef6struts.xml\u4e2d\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9Action\u548c\u7d50\u679c\uff1a<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\n<struts>\n    <package name=\"default\" extends=\"struts-default\">\n        <action name=\"dropdown\" class=\"DropdownAction\">\n            <result name=\"success\">\/WEB-INF\/pages\/dropdown.jsp<\/result>\n        <\/action>\n    <\/package>\n<\/struts>\n<\/code><\/pre>\n
\u5275\u5efaJSP\u9801\u9762<\/h2>\n
\u6700\u5f8c\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500bJSP\u9801\u9762\u4f86\u986f\u793a\u4e0b\u62c9\u5217\u8868\uff1a<\/p>\n
<%@ taglib uri=\"\/struts-tags\" prefix=\"s\" %>\n<html>\n<head>\n    <title>\u4e0b\u62c9\u5217\u8868\u793a\u4f8b<\/title>\n<\/head>\n<body>\n    <h1>\u9078\u64c7\u4e00\u500b\u9805\u76ee<\/h1>\n    <s:form action=\"dropdown\">\n        <s:select name=\"selectedItem\" list=\"items\" label=\"\u9805\u76ee\u5217\u8868\"\/>\n        <s:submit value=\"\u63d0\u4ea4\"\/>\n    <\/s:form>\n<\/body>\n<\/html>\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
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\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684Web\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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