[英]Php user login system
到目前为止,我已设法正确注册成员,但我无法使用其中任何一个登录。 它不会在标题上写入用户名。 即使我已经登录,也只是说“欢迎客人”。我不知道问题是否是会话。
的login.php
session_start();
include ("connection.php");
if(isset($_POST["username"], $_POST["pw"])){
$username = mysql_real_escape_string($_POST["username"]);
$pw = mysql_real_escape_string(md5($_POST["pw"]));
$sql = mysql_query("SELECT * FROM uye WHERE kullanici_adi = '$username' AND sifre = '$pw'");
if(mysql_num_rows($sql) == 1){
$_SESSION["loggedIn"] = 1;
$_SESSION["username"] = $username;
}
else{
$_SESSION["loggedIn"] = "";
}
}
loginValidation.js
$(document).ready(function(){
var form = $("#loginForm");
$("#loginButton").click(function(){
form.validate({
rules:{
loginUsername:{
required: true
},
loginPassword:{
required: true
}
},
messages:{
loginUsername:{
required: "Lütfen kullanıcı adınızı giriniz."
},
loginPassword:{
required: "Lütfen şifrenizi giriniz."
}
},
highlight: function(element) {
$(element).closest('.form-group').addClass('has-error');
},
unhighlight: function(element) {
$(element).closest('.form-group').removeClass('has-error').addClass('has-success');
}
});
var username = $("#loginUsername").val();
var pw = $("#loginPassword").val();
$.ajax({
type: "post",
url: "login.php",
data: "username=" + username + "&pw=" + pw
});
if(form.valid() == true){
form.submit();
}
});
});
header.php文件
if (isset($_SESSION['loggedIn'], $_SESSION['username']) && $_SESSION['loggedIn'] == 1) {
session_start();
echo "Hoşgeldin" . $_SESSION['username'] . "!";
}
else{
echo "Hoşgeldin Ziyaretçi";
}
你必须把session_start();
在header.php文件的顶部。
session_start();
if (isset($_SESSION['loggedIn'], $_SESSION['username']) && $_SESSION['loggedIn'] == 1) {
echo "Hoşgeldin" . $_SESSION['username'] . "!";
}
else{
echo "Hoşgeldin Ziyaretçi";
}
查看您的评论,您仍然遇到问题,对会话变量执行var_dump以查看它们是否符合您的期望。
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