连接到SQL Server localdb JDBC

Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

String url = "jdbc:sqlserver://localhost:1433;databaseName=myDatabase";
String username = "myUsername";
String password = "myPassword";
Connection conn = DriverManager.getConnection(url, username, password);

Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM myTable");

while (rs.next()) {
    int id = rs.getInt("id");
    String name = rs.getString("name");
    // 处理结果
}

rs.close();
stmt.close();
conn.close();

import java.sql.*;

public class SQLServerLocalDB {
    public static void main(String[] args) {
        try {
            // 加载驱动程序
            Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
            
            // 建立连接
            String url = "jdbc:sqlserver://localhost:1433;databaseName=myDatabase";
            String username = "myUsername";
            String password = "myPassword";
            Connection conn = DriverManager.getConnection(url, username, password);
            
            // 执行SQL查询
            Statement stmt = conn.createStatement();
            ResultSet rs = stmt.executeQuery("SELECT * FROM myTable");
            
            // 处理查询结果
            while (rs.next()) {
                int id = rs.getInt("id");
                String name = rs.getString("name");
                // 处理结果
            }
            
            // 关闭资源
            rs.close();
            stmt.close();
            conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}