<?php
$conn=mysql_connect($mydbhost,$mydbuser,$mydbpwd,$mydbname);
//1.mysql_pconnect()...连接数据库
$conn= mysql_connect($mydbhost, $mydbuser, $mydbpwd) or die("Could not connect: " . mysql_error());
//解决乱码问题：
@mysql_query("SET character_set_connection=gbk, character_set_results=gbk, character_set_client=binary",$conn);

//2.mysql_select_db()...选择数据表
mysql_select_db('diwuse',$conn);
?>