Question

我在下面的脚本中使用imagemagic / ghostscript来提取pdf文件的第一页并将其转换为jpg格式，然后使用html表单将jpg图片以及pdf文件和其他信息上传到我的wamp服务器。但令我惊讶的是，它上传了一些pdf文件并转到确认页面，该页面仅在上传成功时激活。但对某些人来说，它会返回$ err消息。你可以请我出去吗？

<?php include ('head.php');
    include ('connect.php');

    if(isset($_POST['submit'])) {


        $pdfDirectory = "pdf/";
        $thumbDirectory = "pdfimage/";

        //get the name of the file
        $filename = basename( $_FILES['pdf']['name'], ".pdf");

        //remove all characters from the file name other than letters, numbers, hyphens and underscores
        $filename = preg_replace("/[^A-Za-z0-9_-]/", "", $filename).".pdf";

        //name the thumbnail image the same as the pdf file
        $thumb = basename($filename, ".pdf");


                $title=$_POST['title'] ;
                $author= $_POST['author'] ; 
                $pub = $_POST['pub'];               
                $abstract= $_POST['abstract'] ;
                $year= $_POST['year'] ;
                $category= $_POST['cat'] ;  




                    if(move_uploaded_file($_FILES['pdf']['tmp_name'], $pdfDirectory.$filename)){

                        //the path to the PDF file
                        $pdfWithPath = $pdfDirectory.$filename;

                         //add the desired extension to the thumbnail
                        $thumb = $thumb.".jpg";

                        //execute imageMagick's 'convert', setting the color space to RGB and size to 200px wide
                        exec("convert \"{$pdfWithPath}[0]\" -colorspace RGB -background white -geometry 200 -flatten $thumbDirectory$thumb");

                        //show the image
                        //echo "<p><a href=\"$pdfWithPath\"><img src=\"pdfimage/$thumb\" alt=\"\" /></a></p>";

                        $imagez = "pdfimage/$thumb";

                        $query ="INSERT INTO books (title, author, publisher, abstract, year, category, book, bkimage) VALUES ('".$title."', '".$author."', '".$pub."', '".$abstract."', '".$year."', '".$category."', '".$filename."', '".$imagez."')" ;

        $result = mysql_query($query);

        if (!$result) {
            $err = "Could not Add to library at this time";
        } else {
            header('Location:confirm.php');

            }
                    }
        }

 ?>

将图书添加到图书馆

标题作者出版者抽象年类别选择... 建筑建筑工程土木工程电脑电气工程土地调查综合管理机械工业数量调查其他上传书籍

Answer 1

而不是

$err = "Could not Add to library at this time";

做这样的事情：

$err = "Could not Add to library at this time. SQL: ".$query;

如果您无法查看问题所在，请连接到mysql并运行查询。您应该能够看到mysql错误（我在第一个答案中要求的=）。

某些pdf文件未上传提取的pdf页面和pdf文件

将图书添加到图书馆

1 个答案: