Home >Backend Development >PHP Tutorial >Use php or js to get the image size, height and width._PHP tutorial
Use php or js to get the image size, height and width._PHP tutorial
- WBOYOriginal
- 2016-07-13 17:32:48830browse
$arr=getimagesize("images/album_01.gif");
echo $arr[3];
$strarr=explode(""",$arr[3] ; TITLE>
<script> <br>function Wa_SetImgAutoSize(img) </p>{ <p>//var img=document.all.img1;//Get the picture<br>var MaxWidth=200;//Set Image width limit<br>var MaxHeight=100;//Set image height limit<br>var HeightWidth=img.offsetHeight/img.offsetWidth;//Set aspect ratio<br>var WidthHeight=img.offsetWidth/img.offsetHeight ;//Set the aspect ratio<br>alert("test"+img.offsetHeight+img.fileSize);<br>if(img.offsetHeight>1) alert(img.offsetHeight);<br>if(img. readyState!="complete"){<br> return false;//Make sure the image is fully loaded<br>}<br><br>if(img.offsetWidth>MaxWidth){ <br>img.width=MaxWidth; <br>img.height=MaxWidth*HeightWidth; <br>} <br>if(img.offsetHeight>MaxHeight){ </p>img.height=MaxHeight; <p>img.width=MaxHeight*WidthHeight; <br>} <br>} <br><br>function CheckImg(img) <br>{ <br> var message="";<br> var MaxWidth=1;//Set the image width limit<br> var MaxHeight=1;/ /Set the image height limit</p> <p> if(img.readyState!="complete"){<br> return false;//Ensure the image is fully loaded<br> }<br> if(img.offsetHeight>MaxHeight) message+="Height exceeded:"+img.offsetHeight;<br> if(img.offsetWidth>MaxWidth) message+="Width exceeded:"+img.offsetWidth;<br> if(message!="") alert(message) ;<br>} <br></script>
