一个连接两个不同MYSQL数据库的PHP程序
author:一佰互联 2019-05-01   click:242
<HTML><BODY BGCOLOR=FFFFFF>  <?php      echo "Connecting as mysql<BR>";      $connection1 = mysql_connect("localhost", "mysql", "") or die($php_errormsg);      echo "connection1 is $connection1<BR>";      echo "Selecting test for mysql user<BR>";      mysql_select_db("test", $connection1) or @die("Error " . $php_errormsg . mysql_error());      echo "Connection as joyce<BR>";      $connection2 = mysql_connect("localhost", "joyce", "") or die($php_errormsg);      echo "connection2 is $connection2<BR>";      echo "Selecting books for joyce user<BR>";      $db2 = mysql_select_db("techbizbookguide", $connection2) or die(mysql_error());      $query1 = "select foo from test";      $query2 = "select title, authorFirst, authorLast from bookinfo";      echo "Querying test<BR>";      $users = mysql_query($query1, $connection1) or die(mysql_error());      echo "Querying books<BR>";      $books = mysql_query($query2, $connection2) or die(mysql_error());      echo "Foos from test<BR>";      while (list($foo) = mysql_fetch_row($users)){          echo $foo, "<BR>";      }      echo "Books in techbizbookguide<BR>";      while (list($title, $authorFirst, $authorLast) = mysql_fetch_row($books)){          //Use trim in case we have a book by "Madonna" or "Prince" or...          echo $title, " by ", trim($authorFirst . " " . $authorLast), "<BR>";      }  ?>  </BODY></HTML>