读取数据库数据

1.conn.php

<?php
$conn=mysql_connect('localhost','root','')or die('连接失败！'.mysql_error());
if(mysql_select_db('dedecmsv57',$conn)){
echo "";}
else{
echo ('数据库选择失败:'.mysql_error()); }
?>

2.index.php

<?php
include_once 'conn.php';
$result=mysql_query("select * from dede_addonarticle",$conn);
while($myrow=mysql_fetch_array($result))
{
    echo $myrow[body];
}
?>