About php operating mysql

header("Content-type: text/html; charset=utf-8"); $db_config = array( "host"=>"localhost", "db_user"=>"root", "db_password"=>"hxsbhxsb", "db_name"=>"chenchen" ); $link = @mysql_connect($db_config["host"],$db_config["db_user"],$db_config["db_password"]); if($link){ // echo "数据库连接成功!"; }else{ die("数据库连接失败，请与管理员联系！"); } mysql_select_db($db_config["db_name"]); mysql_query("set names utf8"); $res = mysql_query("select * from tab3"); if($res){ $row = mysql_fetch_row($res); var_dump($row); $row = mysql_fetch_row($res); var_dump($row); }else{ echo "错误信息".mysql_error(); }