jquery修改display属性
<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery-1.8.0.min.js"></script>
<script type="text/javascript">
$(function(){
$("#bt1").click(function(){
$('#re1').css("display","block");
});
$("#bt2").click(function(){
$('#re1').css("display","none");
});
});
</script>
</head>
<body>
<input type="file" value=""><input type="button" value="more" id="bt1"><br>
<div id="re1" style="display:none;">
<input type="file" value=""><input type="button" value="remove" id="bt2">
</div>
<div id="re2" style="display:none;">
<input type="file" value=""><input type="button" value="remove" id="bt3">
</div>
</body>
</html>
