数据库连接

 /*
 Connection con = null;
 
 try
 {
  Context initCtx=new InitialContext();
  DataSource ds = (DataSource)initCtx.lookup("java:comp/env/jdbc/Test");
  con=ds.getConnection();     
  Statement stmt = con.createStatement();
  String sql_select = "select * from test.news";     
  ResultSet rs = stmt.executeQuery(sql_select);
  while( rs.next() )
  {
   out.print(rs.getString("title")+"<br>");
  }
 }
 finally
 {
  if (con != null)
  con.close();
 }
 */