javascript获取上传文件的后缀名
javascript获取上传文件的后缀名
<script type="text/javascript">
function GetExtensionFileName(pathfilename) {
var reg = /(\\+)/g;
var pfn = pathfilename.replace(reg, "#");
var arrpfn = pfn.split("#");
var fn = arrpfn[arrpfn.length - 1];
var arrfn = fn.split(".");
return arrfn[arrfn.length - 1];
}
function Test() {
var filePath;
filePath = document.getElementById("absfile").value;
if (filePath == "") {
alert("未选择文件");
return;
}
alert("文件后缀名为：" + GetExtensionFileName(filePath));
}</script>