简体中文（ZH-CN）English（EN）繁体中文（ZH-TW）日本語（JA）한국어（KO）

Home > Article > Backend Development > A simple php user login module

A simple php user login module

WBOYOriginal: 2016-07-25 08:59:20884browse

登陆系统
session_start();
if ($_SESSION[username]) {
?>
当前用户

注销
}else {
?>
用户

密码
}
?>

复制代码

2，config.php

$dbhost="localhost";
$dbuser="root";
$dbpassword="123456";
$dbname="auth";
$conn=mysql_connect("$dbhost","$dbuser","$dbpassword") or die('不能连接服务器'.mysql_error());
mysql_select_db("$dbname",$conn) or die("数据库访问错误".mysql_errno());
mysql_query("set names gb2312");
?>

复制代码

3，userlogin.php

登陆系统_bbs.it-home.org
session_start();
require("config.auth.php");
if ($_POST[submit]) {
$sql="select * from userinfo where username = '$_POST[username]' and password = '$_POST[password]'";
$result=mysql_query($sql);
$numrows=mysql_num_rows($result);
if ($numrows == 1) {
$row=mysql_fetch_assoc($result);
$_SESSION[username]=$row[username];
//echo $_SESSION[username];
echo "";
}else {
echo "
session_start();
unset($_SESSION[username]);
session_destroy();
echo "