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一个连接两个不同MYSQL数据库的PHP程序PHP技巧

文章作者：三亚上门维修电脑 发布日期：2012/2/11 15:51:15
<HTML><BODY BGCOLOR=FFFFFF>  
<?php  
    echo "Connecting as MySQL<BR>\n";  
    $connection1 = mysql_connect('localhost', 'mysql', '') or die($php_errormsg);  
    echo "connection1 is $connection1<BR>\n";  
    echo "Selecting test for mysql user<BR>\n";  
    mysql_select_db('test', $connection1) or @die("Error " . $php_errormsg . mysql_error());  
    echo "Connection as joyce<BR>\n";  
    $connection2 = mysql_connect('localhost', 'joyce', '') or die($php_errormsg);  
    echo "connection2 is $connection2<BR>\n";  
    echo "Selecting books for joyce user<BR>\n";  
    $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>\n";  
    $users = mysql_query($query1, $connection1) or die(mysql_error());  
    echo "Querying books<BR>\n";  
    $books = mysql_query($query2, $connection2) or die(mysql_error());  
    echo "Foos from test<BR>\n";  
    while (list($foo) = mysql_fetch_row($users)){  
        echo $foo, "<BR>\n";  
    }  
    echo "Books in techbizbookguide<BR>\n";  
    while (list($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>\n";  
    }  
?>  
</BODY></HTML>  

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