在linux 下编写PHP的注册登陆页面
Login.php
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Login</title>
<script>
setInterval(
function(){with(new Date)a.innerHTML=toLocaleString()+"星期"+"天一二三四五六".charAt(getDay());}
,1000)
</script>
<style>
body{
font-family:Arial, Helvetica, sans-serif;
color:#333333;
font-size:0.8em;
}
p{
margin:0px 0px 10px 0px;
}
#user, #pass{
width:170px;
}
#box{
width:250px;
margin:100px auto 0px auto;
background:#F0F0F0;
padding:15px;
}
#a{
width:210px;
margin:0px auto ;
background:#F0F0F0;
padding:10px;
}
</style>
</head>
<body>
<div id="a"></div>
<div id="box">
<form action="checklogin.php" method="post">
<p><label for="user">Username:</label> <input id="user" name="user" type="text" /></p>
<p><label for="pass">Password:</label> <input id="pass" name="pass" type="password" /></p>
<p><input type="submit" value="Login" /></p> <input type="submit" name="register" value="Register"/>
</form>
</div>
</body>
</html>
CheckLogin.php
<?php
//Start session
session_start();
if(isset($_POST['register'])){
header("Location: Register.php");
exit;
}
//Then we retrieve the posted values for user and password.
$user = $_POST['user'];
$pass = $_POST['pass'];
$hashpass = md5($pass);
//Users defined in a SQLite database
$db = new SQLite3('db/mysqlitedb.db');
$result = $db->query("SELECT COUNT(*) AS count FROM users2 WHERE username = '$user' AND password = '$hashpass'");
$row = $result->fetchArray();
if ($row[0] > 0) {
//If user and pass match any of the defined users
$_SESSION['loggedin'] = true;
header("Location: index.php");
};
//If the session variable is not true, exit to exit page.
if(!$_SESSION['loggedin']){
header("Location: login.php");
exit;
};
?>
Register.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" >
//检查是否都符合 注册
function check_reg()
{
if(check_len() && check_pass() && check_email() && check_qq())
{
return true;
}else{
return false;
}
}
</script>
<script type="text/javascript" >
//检查密码长度不能少于6
function check_len(thisObj){
if(thisObj.value.length==0)
{
document.getElementById('show_pass').innerHTML="密码不能为空";
return false;
}else{
if (thisObj.value.length<6)
{
document.getElementById('show_pass').innerHTML="密码长度不少于6";
return false;
}
document.getElementById('show_pass').innerHTML="";
return true;
}
}
</script>
<script type="text/javascript" >
//检查俩次密码输入是否一致
function check_pass(thisObj){
var psw=document.getElementById('pass');
if(psw.value.length==0)
{
document.getElementById('show_pass').innerHTML="密码不能为空";
return false;
}else{
document.getElementById('show_pass').innerHTML="";
if (thisObj.value!=psw.value)
{
document.getElementById('show_repass').innerHTML="两次密码输入不正确";
return false;
}
document.getElementById('show_repass').innerHTML="";
return true;
}
}
</script>
<script type="text/javascript" >
//检查email是否正确
function check_email(thisObj){
var reg=/^([a-zA-Z\d][a-zA-Z0-9_]+@[a-zA-Z\d]+(\.[a-zA-Z\d]+)+)$/gi;
var rzt=thisObj.value.match(reg);
if(thisObj.value.length==0){
document.getElementById('show_e').innerHTML="Email不能为空";
return false;
}else{
if (rzt==null)
{
document.getElementById('show_e').innerHTML="Email地址不正确";
return false;
}
document.getElementById('show_e').innerHTML="";
return true;
}
}
</script>
<script type="text/javascript">
//检查qq格式是否正确
function check_qq(thisObj){
var qq=document.getElementById('qq').value;
var reg=/^\d+$/;
if(qq.search(reg))
{
document.getElementById('show_qq').innerHTML=" QQ 只能为数字";
return false;
}else{
document.getElementById('show_qq').innerHTML="";
return true ;
}
}
</script>
<script>
setInterval(
function(){with(new Date)a.innerHTML=toLocaleString()+"星期"+"天一二三四五六".charAt(getDay());}
,1000)
</script>
<title>Login</title>
<style>
body{
font-family:Arial, Helvetica, sans-serif;
color:#333333;
font-size:0.8em;
}
p{
margin:0px 0px 10px 0px;
}
#user, #pass{
width:170px;
}
#a{
width:210px;
margin:0px auto ;
background:#F0F0F0;
padding:15px;
}
#box{
width:200px;
margin:100px auto 0px auto;
background:#F0F0F0;
padding:15px;
}
</style>
</head>
<body onLoad="time()">
<div id="box">
<form action="checkRegister.php" method="post">
<p><label for="user">用户名:</label> <input id="user" name="user" type="text" /></p>
<p><label for="pass">密 码:</label> <input id="pass" name="pass" type="password" onblur="check_len(this)"/><span id="show_pass" style="color:red;"></span></p>
<p><label for="pass2">确认密码:</label> <input id="repass" name="repass" type="password" onblur="check_pass(this)" /><span id="show_repass" style="color:red;"></span></p>
<p><label for="truename">真实姓名:</label>
<input id="truename" name="truename" type="text" />
</p>
<p><label for="email">Email</label> <input id="email" name="email" type="text" onblur="check_email(this)"/><span id="show_e" style="color:red;"></span></p>
<p><label for="phone">电 话</label> <input id="phone" name="phone" type="text" /></p>
<p><label for="qq">QQ号</label> <input id="qq" name="qq" type="text" onblur="check_qq(this)"/><span style="color:red;" id="show_qq"></span></p>
<table width="200" border="0">
<tr>
<td><input name="submit" type="submit" value="注册" /></td>
<td><input name="submit" type="reset" value="重置" /></td>
</tr>
</table>
<div id="a"></div>
</form>
</div>
</body>
</html>
checkRegister.php
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Login</title>
<style>
#a{
width:210px;
margin:0px auto ;
background:#F0F0F0;
padding:10px;
}
body{
font-family:Arial, Helvetica, sans-serif;
color:#333333;
font-size:0.8em;
}
#div1{
width:243px;
height:35px;
margin:10px auto 0px auto;
padding:15px;
}
#div2{
width:250px;
height:35px;
margin:30px auto 0px auto;
padding:15px;
}
</style>
<body>
<?php
//Start session
session_start();
//Then we retrieve the posted values for user and password.
$user = $_POST['user'];
$pass = $_POST['pass'];
$realname = $_POST['truename'];
$Email = $_POST['email'];
$phone= $_POST['phone'];
$QQ = $_POST['qq'];
$db = new SQLite3('db/mysqlitedb.db');
$result = $db->query("SELECT COUNT(*) AS count FROM users2 WHERE username = '$user'");
$row = $result->fetchArray();
if ($row[0] > 0) {
//If user exists return register
header("Location: register.php");
exit;
}
//$db = new PDO('sqlite:users.sqlite');
$hashpass = md5($pass);
$db->exec("INSERT INTO users2(username,password,realname,Email,phone,QQ) VALUES ('$user','$hashpass','$realname','$Email','$phone','$QQ')");
$db->close();
echo "你的用户名";
echo $user;
echo "已成功注册！！";
//header("Location:login.html");
?>
<meta http-equiv="refresh" content="3;url=login.php">
</head>
<body>
<div id="div2">
<p>3秒后将跳转到登陆页面</p>
<div>
<div id="a"></div>
</body>
</html>