我想上传一些图片文件到我的服务器并在 mysql 数据库中记录文件名但是不知何故存在问题

I want to upload some picture files to my server and record the file name in mysql database but somehow there exists a problem

我想上传一些图片文件到我的服务器,并在mysql数据库中记录文件名,但不知何故出现了问题。任何人都可以提供帮助。 以下是错误信息:

文件是图像 - image/jpeg。 警告:move_uploaded_file( ../uploads/2.jpg):无法打开流:第 43 行 /Library/WebServer/Documents/all/upload.php 中没有此类文件或目录

警告:move_uploaded_file():无法将“/private/var/tmp/phpSqx5eG”移动到 /Library/WebServer/Documents/all/upload.php 中的“../uploads/2.jpg”第 43 行 抱歉,上传您的文件时出错。

    $target_dir = "../uploads/";
    $target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
    $uploadOk = 1;
    $imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
    
    // Check if image file is a actual image or fake image
    if(isset($_POST["submit"])) {
        $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
        if($check !== false) {
            echo "File is an image - " . $check["mime"] . ".";
            $uploadOk = 1;
        } else {
            echo "File is not an image.";
            $uploadOk = 0;
        }
    }
    
    // Check if file already exists
    if (file_exists($target_file)) {
        echo "Sorry, file already exists.";
        $uploadOk = 0;
    }
    
    // Check file size
    if ($_FILES["fileToUpload"]["size"] > 500000) {
        echo "Sorry, your file is too large.";
        $uploadOk = 0;
    }
    
    // Allow certain file formats
    if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
       && $imageFileType != "gif" ) {
        echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
        $uploadOk = 0;
    }
    
    // Check if $uploadOk is set to 0 by an error
    if ($uploadOk == 0) {
        echo "Sorry, your file was not uploaded.";
        // if everything is ok, try to upload file
    } else {
        if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
            echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
        } else {
            echo "Sorry, there was an error uploading your file.";
        }
    }
    ?>

您很可能将文件指向了一个不存在的文件夹中 尝试将 $target_dir = "uploads/"; 更改为 $target_dir = "../uploads/";