import java.sql.*;
public class Test {
    public static void main(String[] srg) {
          String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";  //加载JDBC驱动
          String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=test";  //连接服务器和数据库test
          String userName = "sa";  //默认用户名
          String userPwd = "test123";  //密码
          Connection dbConn;

          try {
           Class.forName(driverName);
           dbConn = DriverManager.getConnection(dbURL, userName, userPwd);
           System.out.println("Connection Successful!");  //如果连接成功 控制台输出Connection Successful!
          } catch (Exception e) {
           e.printStackTrace();
          }
        }
}