Use php or js to get the image size, high width and size.

Use php or js to get the image size, height and width. read the text and use php or js to get the image size, height and width .,? $ Arr = getimagesize ("> <LINKhref =" http://www.php100.com//statics/style/headfloor_950_081205.css "type = text/cssrel = sty

$ Arr = getimagesize ("images/album_01.gif ");
Echo $ arr [3];
$ Strarr = explode ("\" ", $ arr [3]);
Echo $ strarr [1];
?>

Scale down demo images
Script
Function Wa_SetImgAutoSize (img)
{
// Var img = document. all. img1; // Obtain the image
Var MaxWidth = 200; // sets the image width limit.
Var MaxHeight = 100; // sets the image height limit.
Var HeightWidth = img. offsetHeight/img. offsetWidth; // you can specify the aspect ratio.
Var WidthHeight = img. offsetWidth/img. offsetHeight; // Set the aspect ratio.
Alert ("test" + img. offsetHeight + img. fileSize );
If (img. offsetHeight> 1) alert (img. offsetHeight );
If (img. readyState! = "Complete "){
Return false; // make sure the image is fully loaded.
}

If (img. offsetWidth> MaxWidth ){
Img. width = MaxWidth;
Img. height = MaxWidth * HeightWidth;
}
If (img. offsetHeight> MaxHeight ){
Img. height = MaxHeight;
Img. width = MaxHeight * WidthHeight;
}
}

Function CheckImg (img)
{
Var message = "";
Var MaxWidth = 1; // sets the image width limit.
Var MaxHeight = 1; // sets the image height limit.
 
If (img. readyState! = "Complete "){
Return false; // make sure the image is fully loaded.
}
If (img. offsetHeight> MaxHeight) message + = "\ r height excess:" + img. offsetHeight;
If (img. offsetWidth> MaxWidth) message + = "\ r width exceeded:" + img. offsetWidth;
If (message! = "") Alert (message );
}
Script