PHP は複数の形式での画像アップロードをサポートしています (jpg、png、gif をサポート)

一度に 2 つの画像をアップロードすることができます。アップロード後、元の画像と低品質の画像が生成され、元の画像は高品質の画像を保存するために使用され、低品質の画像は Web ページの表示に使用されます。
PHP コード

コードをコピー コードは次のとおりです:

include_once("db.php");
include_once("dbinfo.php");
$connector = new nmdb($host, $username, $password);
$connector -> select_db($database);
$work_group = check_input($_POST['work_group']);
$name = check_input($_POST['name']);
$tel = check_input($_POST['tel']);
$id_card = check_input($_POST['id_card']);
$work_name = check_input($_POST['work_name']);
$place = check_input($_POST['place']);
$work1 = check_input($_POST['work1']);
date_default_timezone_set('PRC');
$date = date("Y-m-d H:i:s");
$quality = 100;
$quality2 = 70;
$quality_png = 9;
$quality2_png = 7;
if(isset($_FILES['work1']) && $_FILES['work1']['error']==0)
{
$size = getimagesize($_FILES['work1' ]['tmp_name']);
$original = $_FILES['work1']['tmp_name'];
$type = $_FILES['work1']['type'];
//echo $type;
$target_name = date('YmdHis').'_'.preg_replace('`[^a-z0-9-_.]`i','',$_FILES['work1']['name' ]);
$work1 = $target_name;
$target = dirname(__FILE__).'/uploads/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality);
休憩;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality_png);
休憩;
case "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality);
休憩;
デフォルト :
die("不サポートこの文件类型");
終了;
}
$work1_small = $target_name;
$target = dirname(__FILE__).'/uploads/small/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality2);
休憩;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality2_png);
休憩;
case "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality2);
休憩;
デフォルト :
die("不サポートこの文件类型");
終了;
}
}
if(isset($_FILES['work2']) && $_FILES['work2']['error']==0)
{
$size = getimagesize($_FILES['work2']['tmp_name']);
$original = $_FILES['work2']['tmp_name'];
$type = $_FILES['work2']['type'];
$target_name = date('YmdHis').'_'.preg_replace('`[^a-z0-9-_.]`i','',$_FILES['work2']['name' ]);
$work2 = $target_name;
$target = dirname(__FILE__).'/uploads/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality);
休憩;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality_png);
休憩;
ケース "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality);
休憩;
デフォルト :
die("不サポートこの文件类型");
終了;
}
$work2_small = $target_name;
$target = dirname(__FILE__).'/uploads/small/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality2);
休憩;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality2_png);
休憩;
ケース "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality2);
休憩;
デフォルト :
die("不サポートこの文件类型");
終了;
}
}
$sql="写真に挿入(work_group,name,tel,id_card,work_name,place,work,work_small,date) 値('$work_group','$name','$tel','$id_card') ,'$work_name','$place','$work1','$work1_small','$date')";
//echo $sql;
$result = $connector -> query( $sql) または die(mysql_error());
if($work2 != "" && $work2_small != null)
{
$sql2="写真に挿入(work_group,name,tel, id_card,work_name,place,work,work_small,date)values('$work_group','$name','$tel','$id_card','$work_name','$place','$work2',' $work2_small','$date')";
$result2 = $connector -> query($sql2) または die(mysql_error());
}
$connector -> close($コネクタ);
$page="../upload.php";
echo "<script>alert('アップロード成功!'); window.location = \"".$page."\" ;</script>";
?>