图片预览功能的上传表单。
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>
图片上传
</title><script>
function viewmypic(mypic,imgfile) {
if (imgfile.value){
mypic.src=imgfile.value;
mypic.style.display="";
mypic.border=1;
}
}
</script>
<center>
<form>
<input name="imgfile" type="file" id="imgfile" size="40" onchange="viewmypic(showimg,this.form.imgfile);" /><br />
</form><img name="showimg" id="showimg" alt="预览图片——toyean.com" src="undefined" /><br />
<div >
</div>
</center>
