用php或js获取图片大小,高宽尺寸.
- WBOYOriginal
- 2016-06-13 10:31:57983browse
$arr=getimagesize("images/album_01.gif");
echo $arr[3];
$strarr=explode(""",$arr[3]);
echo $strarr[1];
?>
<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+="高度超额："+img.offsetHeight;<BR> if(img.offsetWidth>MaxWidth) message+="宽度超额："+img.offsetWidth;<BR> if(message!="") alert(message);<BR>} <BR></script>
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