package soccertable;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
//一个用于查找数据源的工具类。
public class DatabaseConn {
        public  static   Connection getConnection() throws Exception
        {
          Connection conn=null;
           try{
             //数据库用户名
             String userName = "soccertable";
             //密码
             String userPasswd = "19780628";
             //数据库名
             String dbName = "soccertable";             //联结字符串
             String url = "jdbc:mysql://localhost/" + dbName + "?user=" +userName +"&password=" + userPasswd;
             Class.forName("com.mysql.jdbc.Driver").newInstance();
             conn = DriverManager.getConnection(url);         }                catch(SQLException e)
                {
                        throw e;
                }                return conn;
        }} ConnectionFactory con;
   Connection conn;
 public BlobBean()
   {
     try
     {
       con = ConnectionFactory.getFactory();
       conn = con.getConnection();
     }
     catch(Exception e)
     {
      System.out.println("blobbean error");
     }
   }
为什么在BlobBean 才conn得不到到值 总是blobbean error???