<html>
<head>
<title></title>
<style type="text/css">
.preView { width: 70px; height: 70px; text-align: center; border:1px solid silver; }
</style>
<script type="text/javascript">
function fileUploadPreview(thisObj, preViewer) {
if(!/(\.gif|\.jpg|\.jpeg|\.png)$/i.test(thisObj.value)) {
alert("이미지 형식의 파일을 선택하십시오");
return;
}
preViewer = (typeof(preViewer) == "object") ? preViewer : document.getElementById(preViewer);
var ua = window.navigator.userAgent;
if (ua.indexOf("MSIE") > -1) {
var img_path = "";
if (thisObj.value.indexOf("\\fakepath\\") < 0) {
img_path = thisObj.value;
} else {
thisObj.select();
var selectionRange = document.selection.createRange();
img_path = selectionRange.text.toString();
thisObj.blur();
}
preViewer.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='fi" + "le://" + img_path + "', sizingMethod='scale')";
} else {
preViewer.innerHTML = "";
var W = preViewer.offsetWidth;
var H = preViewer.offsetHeight;
var tmpImage = document.createElement("img");
preViewer.appendChild(tmpImage);
tmpImage.onerror = function () {
return preViewer.innerHTML = "";
}
tmpImage.onload = function () {
if (this.width > W) {
this.height = this.height / (this.width / W);
this.width = W;
}
if (this.height > H) {
this.width = this.width / (this.height / H);
this.height = H;
}
}
if (ua.indexOf("Firefox/3") > -1) {
var picData = thisObj.files.item(0).getAsDataURL();
tmpImage.src = picData;
} else {
tmpImage.src = "file://" + thisObj.value;
}
}
}
</script>
</head>
<body>
<input id="fileData" name="fileData" type="file" onchange="fileUploadPreview(this, 'preView')" />
<div id="preView" class="preView" title="이미지미리보기"></div>
</body>
</html>
출처 :
Junyong's blog -
http://junyong.pe.kr/98
