PHP 连接mysql的问题 新手！！！
本帖最后由 zuoan2008 于 2013-06-25 16:38:28 编辑 我的login_action.php
<?php
include('../config/config_db.php');
include('../class/db/class_db.php');
$username= $_POST["username"];
$password=$_POST["password"];
echo "username:".$username."--"."password:".$password."</br>";
echo "db_host:".$db_host."--"."db_name:".$db_name."--"."db_pass:".$db_pass."--"."db_dabase:".$db_dabase;
$mysqldb==new MySQLDB($db_host,$db_name,$db_pass,$db_dabase);
$sql = "select * from loginuser where username='".$username."'";
$result = $mysqldb->Query($sql);//查询
$rs = $mysqldb->getRows($result);//获得记录集
$num = $mysqldb->getRowsNum($result);//获得记录数
if($num>0){
//如果是 登陆
session_start();
$_SESSION['username']=$username;
$_SESSION['password']=$password;
echo "<script>location.href='index.php';</script>";
}else{
echo "登录错误";
}
?>
<?php
$db_host = 'localhost';
$db_name = 'root';
$db_pass = '123456';
$db_dabase = 'test';
$db_ut = 'utf8';
?>
<?php
Class MySQLDB
{
var $host;
var $user;
var $passwd;
var $database;
var $conn;
//利用构造函数实现变量初始化
//同时连接数据库操作
function MySQLDB($host,$user,$password,$database)
{
$this->host = $host;
$this->user = $user;
$this->passwd = $password;
$this->database = $database;
$this->conn=mysql_connect($this->host, $this->user,$this->passwd) or die("Could not connect to $this->host");
mysql_select_db($this->database,$this->conn) or die("Could not switch to database $this->database");
mysql_query("set names 'gbk'");
}
//该函数用来关闭数据库连接
function Close()
{
MySQL_close($this->conn);
}
//该函数实现数据库查询操作
function Query($queryStr)
{
$res =Mysql_query($queryStr, $this->conn) or die("Could not query database");
return $res;
}
}
