您在下面看到的是我的脚本的一部分。
问题是我只需要调整大小的拇指图像而不是原始文件。如果未上传,图像将不会重新调整大小,因此该过程应如下所示:
- -> 创建一个文件夹
- -> 上传原始图像
- -> 调整大小并存储拇指
- -> 删除原始文件。
现在这最后一部分(删除)不起作用。我收到此错误:
PHP 警告:unlink($target_file) [function.unlink]: No such file or directory in /path/file.php on line X
它没有找到它!
if (isset($_REQUEST['Submit'])) {
mkdir($dirloc, 0755, true);
$i1=$_FILES['image']['name'];
$nw1="$dirloc/".$i1;
if ($i1) {
$copy1 = copy($_FILES['image']['tmp_name'], $nw1);
}
$fileName = $_FILES["image"]["name"];
$kaboom = explode(".", $fileName);
$fileExt = end($kaboom);
function ak_img_resize($target, $newcopy, $w, $h, $ext) {
list($w_orig, $h_orig) = getimagesize($target);
$scale_ratio = $w_orig / $h_orig;
if (($w / $h) > $scale_ratio) {
$w = $h * $scale_ratio;
} else {
$h = $w / $scale_ratio;
}
$img = "";
$ext = strtolower($ext);
if ($ext == "gif"){
$img = imagecreatefromgif($target);
} else if($ext =="png") {
$img = imagecreatefrompng($target);
} else {
$img = imagecreatefromjpeg($target);
}
$tci = imagecreatetruecolor($w, $h);
imagecopyresampled($tci, $img, 0, 0, 0, 0, $w, $h, $w_orig, $h_orig);
imagejpeg($tci, $newcopy, 80);
}
$target_file = "$dirloc/$fileName";
$resized_file = "$dirloc/thumb.$fileExt";
$wmax = 150;
$hmax = 150;
ak_img_resize($target_file, $resized_file, $wmax, $hmax, $fileExt);
$xxx = $resized_file;
$delete_target_file = unlink('$target_file');
$sql = "INSERT INTO $db_table(path,code,timecode,catg,description,title) values
('$xxx','".mysql_real_escape_string(stripslashes($_REQUEST['code']))."',
'".mysql_real_escape_string(stripslashes($times))."',
'".mysql_real_escape_string(stripslashes($_REQUEST['catg']))."',
'".mysql_real_escape_string(stripslashes($_REQUEST['area2']))."',
'".mysql_real_escape_string(stripslashes($_REQUEST['fbox']))."')";
if($result = mysql_query($sql ,$db)) {
$codes = $_REQUEST['code'];
$linkto = "?v=$codes";
echo "<script>window.location = '$linkto'</script>";
} else {
echo "ERROR: ".mysql_error();
}
} else {
// Here comes the form
}
有人可以解释为什么它不删除它吗?