if($size > 51200){
//壓縮圖片
$uploadfile = $imgDir.$filename;
//圖片路徑
$uploaddir_resize = 'account_imgs/';
$uploadfile_resize = $uploaddir_resize.$filename;
//echo $uploaddir_resize;
function resizeImage($uploadfile,$maxwidth,$maxheight,$filename)
{
//取得當前圖片大小
$width = imagesx($uploadfile);
$height = imagesy($uploadfile);
//壓縮比值
$i=0.5;
//生成縮略圖的大小
if(($width > $maxwidth) || ($height > $maxheight))
{
/*
$widthratio = $maxwidth/$width;
$heightratio = $maxheight/$height;
if($widthratio < $heightratio)
{
$ratio = $widthratio;
}
else
{
$ratio = $heightratio;
}
$newwidth = $width * $ratio;
$newheight = $height * $ratio;
*/
$newwidth = $width * $i;
$newheight = $height * $i;
if(function_exists("imagecopyresampled"))
{
$uploaddir_resize = imagecreatetruecolor($newwidth, $newheight);
//echo $uploaddir_resize;
imagecopyresampled($uploaddir_resize, $uploadfile, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
}
else
{
$uploaddir_resize = imagecreate($newwidth, $newheight);
imagecopyresized($uploaddir_resize, $uploadfile, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
}
ImageJpeg ($uploaddir_resize,$filename);
ImageDestroy ($uploaddir_resize);
}
else
{
ImageJpeg ($uploadfile,$filename);
}
}
$pic_width_max = 120;
$pic_height_max = 90;
$file_type = $_FILES["file"]['type'];
if($_FILES["file"]['size']){
if($file_type == "image/pjpeg"||$file_type == "image/jpg"|$file_type == "image/jpeg")
{
//$im = imagecreatefromjpeg($_FILES['file']['tmp_name']);
$im = imagecreatefromjpeg($uploadfile);
}
else if($file_type == "image/x-png")
{
//$im = imagecreatefrompng($_FILES['file']['tmp_name']);
$im = imagecreatefromjpeg($uploadfile);
}
else if($file_type == "image/gif")
{
//$im = imagecreatefromgif($_FILES['file']['tmp_name']);
$im = imagecreatefromjpeg($uploadfile);
}
else//默認jpg
{
$im = imagecreatefromjpeg($uploadfile);
}
if($im)
{
ResizeImage($im,$pic_width_max,$pic_height_max,$uploadfile_resize);
ImageDestroy ($im);
}
}
}