解决|上传|上传图片<script>
var img=null;
function s()
{
if(img)img.removeNode(true);
img=document.createElement("img");
img.style.position="absolute";
img.style.visibility="hidden";
img.attachEvent("onreadystatechange",orsc);
img.attachEvent("onerror",oe);
document.body.insertAdjacentElement("beforeend",img);
img.src=inp.value;
}
function oe()
{
alert("cant load img");
}
function orsc()
{
if(img.readyState!="complete")return false;
alert("图片大小："+img.offsetWidth+"X"+img.offsetHeight);
alert("图片尺寸："+img.fileSize);
btn.disabled=false;
}
</script>
<input id=inp type="file">
<br/>
<button >Test</button><button id=btn disabled>UpLoad</button>
上传图片之前判断大小的解决办法（利用IE漏洞）
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