struts1连接mysql数据库

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class MyAction extends Action {
    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request, HttpServletResponse response) throws Exception {
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;

        try {
            // 加载 JDBC 驱动
            Class.forName("com.mysql.cj.jdbc.Driver");

            // 获取数据库连接
            String url = "jdbc:mysql://localhost:3306/mydatabase";
            String user = "username";
            String password = "password";
            conn = DriverManager.getConnection(url, user, password);

            // 创建 Statement 对象
            stmt = conn.createStatement();

            // 执行 SQL 查询
            String sql = "SELECT * FROM mytable";
            rs = stmt.executeQuery(sql);

            // 处理查询结果
            while (rs.next()) {
                String column1 = rs.getString("column1");
                String column2 = rs.getString("column2");
                // 处理数据...
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // 关闭资源
            try {
                if (rs != null) rs.close();
                if (stmt != null) stmt.close();
                if (conn != null) conn.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        return mapping.findForward("success");
    }
}