php连接mysql数据库连接测试文件_PHP教程

[php]
define("RelativePath", ".");
include_once(RelativePath."/DB_mysql.class.php"); # DB_mysql.class.php 在我的资源里面
$db_mysql = new DB_mysql(); www.2cto.com
$db_mysql->set_values("localhost","***","***","***");
# eg: "localhost","root","","test"
# eg: "localhost或远程IP地址","root","","test"
$link = mysql_connect($db_mysql->mysql_remote_db_host,$db_mysql->mysql_remote_db_username,$db_mysql->mysql_remote_db_password);
if(!$link){
die("Not connectted:".mysql_error($link));
}
$db_selected = mysql_select_db($db_mysql->mysql_remote_db_name,$link);
if(!$db_selected){
die("Can't use ".$db_mysql->mysql_remote_db_name." "."错误提示为"." ".mysql_error($db_selected));
}
/*
else{
echo "已经成功选择:"." ".$db_mysql->mysql_remote_db_name;
}
*/
$sql = "select user_id,user_email from user_info limit 100";
$query = mysql_query($sql,$link);
if(!$query){
die(mysql_error($query));
}
else{
# $num_rows = mysql_num_rows($query);
# echo $num_rows;
echo mysql_num_rows($query); # the result is 100
}
?>

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