<?php
$conn=@mysql_connect("localhost","root","mali");
@mysql_select_db("phpb2b",$conn);
?>先把@符号去掉,die看看什么错误.
$conn=@mysql_connect("localhost","root","mali");
@mysql_select_db("phpb2b",$conn);
?>先把@符号去掉,die看看什么错误.
echo "连接成功!";
$conn=mysql_connect("localhost","root","") or die (mysql_error());
mysql_select_db("phpb2b",$conn) or die (mysql_error());
?>这个能输出 “连接成功”<?php
$conn=mysql_connect("localhost","root","") or die (mysql_error());
echo "连接成功!";
mysql_select_db("phpb2b",$conn) or die (mysql_error());
?>这个没有任何输出!!