各位前辈高人，我在login.html中点击登录后直接转向userController.php,并且不显示任何东西，我的目的是验证登录成功后直接跳到mian.html 不成功则跳到error.html中，可是不成功，请问我哪里错了，还有一个问题就是登录成功后怎么吧登录者的信息传给mian.html?谢谢了
login.html
<html>
<head>
<title>用户系统登录</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<form name="loginfrom" action="userController.php?flag=login"method="POST">
<table background="resource/background.jpg" width= "100%" height= "100%" border= "0 ">
<tr>
<td align= "center " valign= "middle ">
<table align="center">
<tr>
<th>角色</th>
<td><input type="radio" name="account" value="admin" checked>管理员
<input type="radio" name="account" value="teacher">教师
<input type="radio" name="account" value="student">学生
</td>
<tr>
<th>用户名</th>
<td><input type="text" name="user_name" ></td>
</tr>
<tr>
<th>密码</th>
<td><input type="password" name="user_password" ></td>
</tr>
<tr>
<td align="right" colspan="2"><a href="register.html">新用户注册</a><button type="submit" name="submit">登录</button></td>
</tr>
</table>
</td>
</tr>
</table>
</form>
</body>
</html>
dbconn.class.php
<?php
class DBconn{
private static $db_host="localhost";
private static $db_user="root";
private static $db_password="linux";
private static $db_name="sharewebDb";
private static $connection;
static function getConn(){
$connection=new mysqli($db_host,$db_user,password,$db_name);
return $connection;
}
}
?>
userModel.php
<?php
include("dbconn.class,php");
class userModel{
function checklogin($userid,$userpwd,$useraccount){
$mysqli=DBconn::getConn();
$result='';
switch($useraccount){
case "teacher":{
$sql="select t_id,t_name,t_dep from ter_info where t_id=? and t_pwd=?";
$result=$mysqli->prepare($sql);:
$result->bind_param("ss",$user_id,$user_password);
$user_id=$userid;
$user_password=$userpwd;
$result->execute();break;
}
case "student":{
$sql="select s_id,s_name,s_dep from stu_info where s_id=? ands_pwd=?";
$result=$mysqli->prepare($sql);
$result->bind_param("ss",$user_id,$user_password);
$user_id=$userid;
$user_password=$userpwd;
$result->execute();break;
}
}
$result->bind_result($user_id,$user_name,$user_dep);
while($result->fetch()){
$userlist=array(
'user_id'=>$user_id,
'user_name'=>$user_name,
'user_dep'=>$user_dep
);
}
$result->close();
$mysqli->close();
return userlist;
}
?>
userController.php
<?php
include("userModel.php")
session_start();
if(isset($_REQUEST['flag'])){
$flag=$_REQUEST['flag'];
}
switch($flag){
case "login":
login();
break;
}
function login(){
$account=$_POST['account'];
$username=$_POST['user_name'];
$userpassword=$_POST['user_password'];
$usermodel=new userModel();
$login==usermodel->checklogin($username,$userpassword,$account);
if(isset($login)){
include("mian.html");
exit();
}else{header("Location:error.html")}
}
?>
login.html
<html>
<head>
<title>用户系统登录</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<form name="loginfrom" action="userController.php?flag=login"method="POST">
<table background="resource/background.jpg" width= "100%" height= "100%" border= "0 ">
<tr>
<td align= "center " valign= "middle ">
<table align="center">
<tr>
<th>角色</th>
<td><input type="radio" name="account" value="admin" checked>管理员
<input type="radio" name="account" value="teacher">教师
<input type="radio" name="account" value="student">学生
</td>
<tr>
<th>用户名</th>
<td><input type="text" name="user_name" ></td>
</tr>
<tr>
<th>密码</th>
<td><input type="password" name="user_password" ></td>
</tr>
<tr>
<td align="right" colspan="2"><a href="register.html">新用户注册</a><button type="submit" name="submit">登录</button></td>
</tr>
</table>
</td>
</tr>
</table>
</form>
</body>
</html>
dbconn.class.php
<?php
class DBconn{
private static $db_host="localhost";
private static $db_user="root";
private static $db_password="linux";
private static $db_name="sharewebDb";
private static $connection;
static function getConn(){
$connection=new mysqli($db_host,$db_user,password,$db_name);
return $connection;
}
}
?>
userModel.php
<?php
include("dbconn.class,php");
class userModel{
function checklogin($userid,$userpwd,$useraccount){
$mysqli=DBconn::getConn();
$result='';
switch($useraccount){
case "teacher":{
$sql="select t_id,t_name,t_dep from ter_info where t_id=? and t_pwd=?";
$result=$mysqli->prepare($sql);:
$result->bind_param("ss",$user_id,$user_password);
$user_id=$userid;
$user_password=$userpwd;
$result->execute();break;
}
case "student":{
$sql="select s_id,s_name,s_dep from stu_info where s_id=? ands_pwd=?";
$result=$mysqli->prepare($sql);
$result->bind_param("ss",$user_id,$user_password);
$user_id=$userid;
$user_password=$userpwd;
$result->execute();break;
}
}
$result->bind_result($user_id,$user_name,$user_dep);
while($result->fetch()){
$userlist=array(
'user_id'=>$user_id,
'user_name'=>$user_name,
'user_dep'=>$user_dep
);
}
$result->close();
$mysqli->close();
return userlist;
}
?>
userController.php
<?php
include("userModel.php")
session_start();
if(isset($_REQUEST['flag'])){
$flag=$_REQUEST['flag'];
}
switch($flag){
case "login":
login();
break;
}
function login(){
$account=$_POST['account'];
$username=$_POST['user_name'];
$userpassword=$_POST['user_password'];
$usermodel=new userModel();
$login==usermodel->checklogin($username,$userpassword,$account);
if(isset($login)){
include("mian.html");
exit();
}else{header("Location:error.html")}
}
?>
password没有这个常量，你少了个 $ 。
更严重的是你要用 self::$db_host 这样的形式来访问类静态变量或方法才行