- <html>
- <head>
- <title>js校验文件格式</title>
- <meta http-equiv='content-type' content='text/html;charset=utf-8'>
- <script type="text/javascript" src1="jquery-1.4.3.js"></script>
- <script type="text/javascript">
- function get(){
- var s = $("#file1").val();
- var fl = s.split(".");
- //常用的文件格式
- var ary = ["doc","docx","xls","xlsx","ppt","gif","jpeg","jpg","png","txt","wps","pdf"];
- //文件格式在数组中返回下标,否则返回 -1
- var t= $.inArray(fl[1],ary);
- return t==-1;
- }
- </script>
- </head>
- <body>
- <input type="file" id="file1" >
- <input type="button" onclick="get();" value="文件格式">
- </body>
- </html>
来源: http://www.phpxs.com/code/1003693/