图片无法上传到文件夹

Question

我有一个小问题我无法弄清楚我需要将图像上传到名为upload的文件夹我成功将图像名称上传到数据库表但由于某种原因图像未上传到文件夹这里是我的代码

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<?PHP

session_start();
$_SESSION['url'] = $_SERVER['REQUEST_URI'];

if (!(isset($_SESSION['email']) && $_SESSION['email'] != '')) {
  header ("Location: log-in/login");
}

?>
<?php
include('configur.php');     

if(isset($_SESSION['email'])){
    echo "Welcome '{$_SESSION['email']}'";
}      
?>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<?php
echo"<a href = log-in/logout> Log out </a>";  
?><br> <br>
<?php
 require_once("configur.php");   	

$query='UPDATE profile_table SET   images="'.$_FILES['file']['name'].'"
WHERE email= "'.$_SESSION['email'].'"';

if ($mysqli->query($query) === TRUE) {
    echo "Record updated successfully";
} else {
    echo "Error updating record: " . $conn->error;
}

$mysqli->close();
?>

<?php

include('configur.php');
 if($_POST)
 { 
 // $_FILES["file"]["error"] is HTTP File Upload variables $_FILES["file"] "file" is the name of input field you have in form tag.     

 if ($_FILES["file"]["error"] > 0)
 {
 // if there is error in file uploading 
 echo "Return Code: " . $_FILES["file"]["error"] . "<br />";    

 }
 else
 {
 // check if file already exit in "images" folder.
 if (file_exists("upload" . $_FILES["file"]["name"]))
 {     
 }
 else
 {  //move_uploaded_file function will upload your image. 
 if(move_uploaded_file($_FILES["file"]["tmp_name"],"upload" . $_FILES["file"]["name"]))
 {
 // If file has uploaded successfully, store its name in data base
 $query_image = "insert into profile_table";
  
 if(mysqli_query($link, $query_image))
 {
 echo "Stored in: " . "upload" . $_FILES["file"]["name"];
 }
 else
 {
 echo'';
 }
 }
 }
 }
 }

 ?>

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Answer 1

有一个简单的例子：

http://www.w3schools.com/php/php_file_upload.asp

Answer 2

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<?PHP

session_start();
$_SESSION['url'] = $_SERVER['REQUEST_URI'];

if (!(isset($_SESSION['email']) && $_SESSION['email'] != '')) {

header ("Location: log-in/login");

}

?>
<?php
include('configur.php');
 

if(isset($_SESSION['email'])){
    echo "Welcome '{$_SESSION['email']}'";
}

  
?>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<?php
echo"<a href = log-in/logout> Log out </a>";  
?><br> <br>
<?php
 require_once("configur.php");
	

$query='UPDATE profile_table SET   images="'.$_FILES['file']['name'].'"
WHERE email= "'.$_SESSION['email'].'"';

if ($mysqli->query($query) === TRUE) {
    echo "Record updated successfully";
} else {
    echo "Error updating record: " . $conn->error;
}

$mysqli->close();
?>

<?php

include('configur.php');
 if($_POST)
 { 
 // $_FILES["file"]["error"] is HTTP File Upload variables $_FILES["file"] "file" is the name of input field you have in form tag.

 

 if ($_FILES["file"]["error"] > 0)
 {
 // if there is error in file uploading 
 echo "Return Code: " . $_FILES["file"]["error"] . "<br />";

 

 }
 else
 {
 // check if file already exit in "images" folder.
 if (file_exists("upload" . $_FILES["file"]["name"]))
 {
 
 }
 else
 {  //move_uploaded_file function will upload your image. 
 if(move_uploaded_file($_FILES["file"]["tmp_name"],"upload/" . $_FILES["file"]["name"]))
 {
 // If file has uploaded successfully, store its name in data base
 $query_image = "insert into profile_table";
  
 if(mysqli_query($link, $query_image))
 {
 echo "Stored in: " . "upload" . $_FILES["file"]["name"];
 }
 else
 {
 echo'';
 }
 }
 }

 


 }
 }


 ?>

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