<input type="file" name="blogrollimage" onchange="setBlogrollImageName(this)" txlFillIn="isNotNull" title="链接图片">
<script type="text/javascript">
function setBlogrollImageName(basicfile){
document.getElementById("blogrollimagename").value=basicfile.value;
}
</script>
input的时候把onchange="setBlogrollImageName(this)"
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