这都行

[java]代码库

import java.sql.*;

public class SampleIntro
{
  public static void main(String[] args)
  {
    try
    {
Connection conn;
      Statement stmt;
      ResultSet res;
      //加载Connector/J驱动
      //这一句也可写为：Class.forName("com.mysql.jdbc.Driver");
      Class.forName("com.mysql.jdbc.Driver").newInstance();
      //建立到MySQL的连接
      conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test",
                                         "root", "guapo");
      //执行SQL语句
      stmt = conn.createStatement();
      res = stmt.executeQuery("select * from pet");
      //处理结果集
      while (res.next())
      {
        String name = res.getString("name");
        System.out.println(name);
      }
      res.close();

    }
    catch (Exception ex)
    {
      System.out.println("Error : " + ex.toString());
    }
  }