为什么不能向 文件输入框里设置 值 ?有什么解决的办法呢?
<INPUT id= "uploadFile " type= "file " size= "48 " name= "uploadFile ">
<script>
document.getElementById( 'uploadFile ').value = 'xxxxxxxxxxxxxxxxx ';
</script>
------解决方案--------------------type= "file " vlaue 为 readonly