input file 修改按钮名称

1.

<input type="file" id="inputFile" name="inputFile" style="display:none" onchange="changeAgentContent()" />

<input type="text" value="" disabled id="inputFileAgent" />

<input type="button" onclick="document.getElementById('inputFile').click()" value="Browse..." />

<script type="text/javascript">

    function changeAgentContent(){

        document.getElementById("inputFileAgent").value = document.getElementById("inputFile").value;

    }

</script>

 2.

<form name="form1"> 
<input type="file" name="picpath" id="picpath" style="display:none;" onChange="document.form1.path.value=this.value"> 
<input name="path" readonly>
<input type="button" value="上传照片" onclick="document.form1.picpath.click()">

 </form>