<script>ec(2);</script>
$arr=getimagesize("images/album_01.gif");
echo $arr[3];
$strarr=explode("/"",$arr[3]);
echo $strarr[1];
?>
演示图片等比例缩小
<script> <br />
function Wa_SetImgAutoSize(img) <br />
{ <br />
//var img=document.all.img1;//获取图片 <br />
var MaxWidth=200;//设置图片宽度界限 <br />
var MaxHeight=100;//设置图片高度界限 <br />
var HeightWidth=img.offsetHeight/img.offsetWidth;//设置高宽比 <br />
var WidthHeight=img.offsetWidth/img.offsetHeight;//设置宽高比 <br />
alert("test"+img.offsetHeight+img.fileSize);<br />
if(img.offsetHeight>1) alert(img.offsetHeight);<br />
if(img.readyState!="complete"){<br />
return false;//确保图片完全加载<br />
}
<p>if(img.offsetWidth>MaxWidth){ <br />
img.width=MaxWidth; <br />
img.height=MaxWidth*HeightWidth; <br />
} <br />
if(img.offsetHeight>MaxHeight){ <br />
img.height=MaxHeight; <br />
img.width=MaxHeight*WidthHeight; <br />
} <br />
}
<p>function CheckImg(img) <br />
{ <br />
var message="";<br />
var MaxWidth=1;//设置图片宽度界限 <br />
var MaxHeight=1;//设置图片高度界限 <br />
<br />
if(img.readyState!="complete"){<br />
return false;//确保图片完全加载<br />
}<br />
if(img.offsetHeight>MaxHeight) message+="/r高度超额:"+img.offsetHeight;<br />
if(img.offsetWidth>MaxWidth) message+="/r宽度超额:"+img.offsetWidth;<br />
if(message!="") alert(message);<br />
} <br />
</script>
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