Question

我在将图像上传到文件夹并将相应的文件路径插入数据库时遇到了很多问题。

这就是我尝试过的：

$target_dir = "img/posts";
$target_file = $target_dir . basename($_FILES["imageUpload"]["name"]);
$uploadOk = 1;
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);

if (move_uploaded_file($_FILES["imageUpload"]["tmp_name"], $target_file)) {
    echo "The file ". basename( $_FILES["imageUpload"]["name"]). " has been uploaded.";
} else {
    echo "Sorry, there was an error uploading your file.";
}

$image=basename( $_FILES["imageUpload"]["name"],".jpg"); // used to store the filename in a variable

//storind the data in your database
$query= "INSERT INTO posts `post_image` VALUES ('$image')";
mysql_query($query);

我该怎么办？

Answer 1

插入查询语法

INSERT INTO table_name (column1, column2, column3,...)
VALUES (value1, value2, value3,...)

在()

中写下列

$query= "INSERT INTO posts (`post_image`) VALUES ('$image')";

                          ^^^^         ^^^

注意： - 不推荐使用mysql而是使用mysqli或PDO

Answer 2

更新您的插入查询：

$query= "INSERT INTO posts (`post_image`) VALUES ('$image')";

同时打印此查询以检查$ image是否有值。

Answer 3

以下是我测试的上传示例，它可以正常使用

<form enctype="multipart/form-data" method="post" action="">

<input type="file" name="imageUpload" >
<input type="submit" name="submit" >
</form>

php code

if(isset($_POST['submit']))
 {
   $target_dir = "upload/";
   $target_file = $target_dir . basename($_FILES["imageUpload"]["name"]);
   $uploadOk = 1;
   $imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);

   if (move_uploaded_file($_FILES["imageUpload"]["tmp_name"], $target_file)) {
    echo "The file ". basename( $_FILES["imageUpload"]["name"]). " has been uploaded.";
   } else {
    echo "Sorry, there was an error uploading your file.";
   }

   $image=basename( $_FILES["imageUpload"]["name"],".jpg"); // used to store the filename in a variable

  //storind the data in your database
  $query= "INSERT INTO posts (`post_image`) VALUES ('$image')";
  $result=mysql_query($query);
  if($result){
    echo "success";
  }else{
    echo "failure";
  }
}

如果这不起作用，请检查数据库连接

注意： - 不推荐使用mysql而是使用mysqli或PDO

Answer 4

您可以使用此代码

$allow = array("jpg", "jpeg", "gif", "png");

$todir = 'img/posts/';

if ( $_FILES['imageUpload']['tmp_name'] ) // is the file uploaded yet?
{
    $filename = str_replace(array("(",")"), "-", str_replace(" ", "_", $_FILES['imageUpload']['name']));
    $filename_parts = pathinfo($filename);
    $filename = $filename_parts['filename'].'_'.time().'.'.$filename_parts['extension'];

    $info = explode('.', strtolower( $_FILES['imageUpload']['name']) ); // whats the extension of the file

    if ( in_array( strtolower(end($info)), $allow) ) // is this file allowed
    {
        $photo_file = $filename;


            if ( move_uploaded_file( $_FILES['imageUpload']['tmp_name'], $todir . basename($filename ) ) )
            {
                // the file has been moved correctly
                // Registration Success
                $query= "INSERT INTO posts (`post_image`) VALUES ('$photo_file')";
                mysql_query($query);
                echo "The file ". $photo_file. " has been uploaded.";
            }
            else
            {
                // uploading error
                echo 'Error: while file uploading but data has been saved';
            }

    }
    else
    {
        // error this file ext is not allowed
        echo 'Error: file ext is not allowed';
    }
}

为什么我不能将文件路径插入数据库或存储图像？ PHP

4 个答案: