IE浏览器下上传文件时用滤镜实现预览成效
IE浏览器下上传文件时用滤镜实现预览效果
<html>
<head>
<script>
function getPath(obj) {
if(obj) {
if (window.navigator.userAgent.indexOf("MSIE")>=1) {
obj.select();
return document.selection.createRange().text;
}
else if(window.navigator.userAgent.indexOf("Firefox")>=1) {
if(obj.files) {
return obj.files.item(0).getAsDataURL();
}
return obj.value;
}
return obj.value;
}
}
function doSomething(obj){
document.getElementById("file_id").value = getPath(obj);
var dom = document.getElementById("div_id");
var src = document.selection.createRange().text;
dom.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod = scale)";
dom.filters("DXImageTransform.Microsoft.AlphaImageLoader").src = src;
}
</script>
</head>
<body>
<input id = "file_id" type = "file" onchange="doSomething(this);"/>;
<img id="div_id" style="width:120px;height:80px;border:solid 1px #FEA88"></img>
</body>
</html>
<html>
<head>
<script>
function getPath(obj) {
if(obj) {
if (window.navigator.userAgent.indexOf("MSIE")>=1) {
obj.select();
return document.selection.createRange().text;
}
else if(window.navigator.userAgent.indexOf("Firefox")>=1) {
if(obj.files) {
return obj.files.item(0).getAsDataURL();
}
return obj.value;
}
return obj.value;
}
}
function doSomething(obj){
document.getElementById("file_id").value = getPath(obj);
var dom = document.getElementById("div_id");
var src = document.selection.createRange().text;
dom.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod = scale)";
dom.filters("DXImageTransform.Microsoft.AlphaImageLoader").src = src;
}
</script>
</head>
<body>
<input id = "file_id" type = "file" onchange="doSomething(this);"/>;
<img id="div_id" style="width:120px;height:80px;border:solid 1px #FEA88"></img>
</body>
</html>