Java连接Sql Server数据库

import java.sql.*;

public class T {
public static void main(String[] args) {
String sql;
Connection conn;
Statement stmt; // 声明Statement对象
ResultSet rs;
try {
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
String url = "jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=shopping";
String user = "sa";
String password = "sa";
conn = DriverManager.getConnection(url, user, password);
stmt = conn.createStatement();
sql = "select * from Users";
rs = stmt.executeQuery(sql);
while (rs.next()) {
System.out.println(rs.getString(1)); // 输出数据库第一列
System.out.println(rs.getString(2));
}
rs.close();
stmt.close();
conn.close();
} catch (Exception e) {
e.printStackTrace();
}

}
}