我为大学项目建立了一个网站，链接为http://beprjcom.000webhostapp.com/。
用户可以添加一个必须由管理员监控的查询的功能，但为此用户必须登录。因此，有一个链接＆＃34;添加查询＆＃34;在网站的右上角部分。因此，如果用户未登录并单击该链接，则应将用户重定向到登录页面，这在我的localhost环境中正常运行。但是，当我将文件上传到托管服务器时，当我点击＆＃34;添加查询＆＃34;时，它只是在没有登录时给我一个空白页面。
这是＆＃34;添加查询＆＃34;的代码。页。
<?php
session_start();
if(!isset($_SESSION['person'])){
header("Location: ./signup.php");
}else{
include('./head.php');
?>
<title> Home </title>
</head>
<body class="green lighten-2">
<?php include('./nav.php'); ?>
<div class="parallax-container">
<div class="parallax"><img src="img/cover.png"></div>
</div>
<!-- This Code is designed and developed by Ashish Chawla -->
<div class="container">
<h3 class="center-align"> Fill up this form</h3>
<h4 class="center-align">And we shall convey the same to authority in-charge</h4>
<div class="card-panel hoverable">
<form class="col s12 l8" action="querypros.php" method="POST" enctype="multipart/form-data">
<input type="hidden" name="username" value="<?php echo $_SESSION['person']; ?>">
<div class="file-field input-field">
<div class="btn">
<span>File</span>
<input type="file" name="img">
</div>
<div class="file-path-wrapper">
<input class="file-path validate" type="text">
</div>
</div>
<div class="input-field col s12">
<textarea id="textarea1" name="desc" class="materialize-textarea"></textarea>
<label for="textarea1">Description of the Query</label>
</div>
<div id="locationField" class="input-field col s12">
<input id="autocomplete" name="address" onFocus="geolocate()" type="text">
</div>
<table id="address">
<tr>
<td class="label">Street address</td>
<td class="wideField" colspan="3"><input class="field" name="street" id="street_number" ></input></td>
</tr>
<tr>
<td class="label">City</td>
<!-- Note: Selection of address components in this example is typical.
You may need to adjust it for the locations relevant to your app. See
https://developers.google.com/maps/documentation/javascript/examples/places-autocomplete-addressform
-->
<td class="wideField" colspan="3"><input class="field" name="city" id="locality" ></input></td>
</tr>
<tr>
<td class="label">State</td>
<td class="slimField"><input class="field" name="state" id="administrative_area_level_1" ></input></td>
<td class="label">Zip code</td>
<td class="wideField"><input class="field" name="zip" id="postal_code" ></input></td>
</tr>
<tr>
<td class="label">Country</td>
<td class="wideField" colspan="3"><input class="field" name="country" id="country" ></input></td>
</tr>
</table>
<script type="text/javascript">
// This example displays an address form, using the autocomplete feature
// of the Google Places API to help users fill in the information.
// This example requires the Places library. Include the libraries=places
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">
var placeSearch, autocomplete;
var componentForm = {
street_number: 'short_name',
locality: 'long_name',
administrative_area_level_1: 'short_name',
country: 'long_name',
postal_code: 'short_name'
};
function initAutocomplete() {
// Create the autocomplete object, restricting the search to geographical
// location types.
autocomplete = new google.maps.places.Autocomplete(
/** @type {!HTMLInputElement} */(document.getElementById('autocomplete')),
{types: ['geocode']});
// When the user selects an address from the dropdown, populate the address
// fields in the form.
autocomplete.addListener('place_changed', fillInAddress);
}
function fillInAddress() {
// Get the place details from the autocomplete object.
var place = autocomplete.getPlace();
for (var component in componentForm) {
document.getElementById(component).value = '';
}
// Get each component of the address from the place details
// and fill the corresponding field on the form.
for (var i = 0; i < place.address_components.length; i++) {
var addressType = place.address_components[i].types[0];
if (componentForm[addressType]) {
var val = place.address_components[i][componentForm[addressType]];
document.getElementById(addressType).value = val;
}
}
}
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyC_vB5-cVliYDE9YLkd4l7eVjsr3Z15ymY&libraries=places&callback=initAutocomplete"
async defer></script>
<center><input type="submit" class="waves-effect waves-light btn" value="Submit"></center>
</form>
</div>
<br>
</div>
<?php include('./footer.php'); ?>
<?php } ?>
signup.php
<?php include('./head.php'); ?>
<title>Sign up</title>
</head>
<body class="green lighten-2">
<?php include ('./nav.php'); ?><br><br>
<div class="page-wrapper">
<div class="row">
<div class="col s12 l6">
<div class="card-panel hoverable">
<h3 class="center-align">Login</h3>
<form action="login.php" method="post">
<div class="row">
<div class="input-field col s12">
<i class="material-icons prefix">email</i>
<input id="email1" name="email1" type="email" >
<label for="email1" data-error="wrong" data-success="">Email</label>
</div>
<div class="input-field col s12">
<i class="material-icons prefix">vpn_key</i>
<input id="password1" name="password1" type="password" >
<label for="password1">Password</label>
</div>
</div>
<center>
<button class="btn green waves-effect waves-light" type="submit">Login
<i class="material-icons right">send</i>
</button>
</center>
<a href="./reset.php"> Forgot Password? </a>
</form>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.15.0/jquery.validate.js"></script>
<!-- Form Validation Scripts -->
<script>
$(document).ready(function (){
$('#myForm').validate({
rules: {
phone: {
required: true,
digits: true
}
},
messages: {
phone: "Enter a valid phone number"
}
submitHandler: function(form) {
form.submit();
}
});
});
</script>
<div class="col s12 l6">
<div class="card-panel hoverable">
<h3 class="center-align">Sign Up</h3>
<div class="innerdiv">
<form name="myForm" id="myForm" action="reg.php" method="POST">
<div class="row">
<div class="input-field col s12">
<i class="material-icons prefix">account_circle</i>
<input id="name" name="name" type="text" required>
<label for="name">Name</label>
</div>
<div class="input-field col s12">
<i class="material-icons prefix">email</i>
<input id="email" name="email" type="email" required>
<label for="email" data-error="wrong" data-success="">Email</label>
</div>
</div>
<div class="row">
<div class="input-field col s12">
<i class="material-icons prefix">phone</i>
<input id="phone" name="phone" type="tel" data-length="10" required>
<label for="phone" data-error="incorrect" data-success="">Phone Number</label>
</div>
<div class="input-field col s12">
<i class="material-icons prefix">vpn_key</i>
<input id="password" name="password" type="password" required>
<label for="password">Password</label>
</div>
</div>
<center>
<button class="btn green waves-effect waves-light" type="submit">Sign Up
<i class="material-icons right">send</i>
</button>
</center>
</form>
</div>
</div>
</div>
</div>
</div>
<?php include('./footer.php'); ?>
请帮助。