html input="file" 浏览时只显示指定文件类型 xls、xlsx、csv_html/css_WEB-ITnose

Valid Accept Types:

For CSV files (.csv), use:

For Excel Files 2003-2007 (.xls), use:

For Excel Files 2010 (.xlsx), use:

For Text Files (.txt) use:

For Image Files (.png/.jpg/etc), use:

For HTML Files (.htm,.html), use:

For Video Files (.avi, .mpg, .mpeg, .mp4), use:

For Audio Files (.mp3, .wav, etc), use:

For PDF Files, use:

DEMO:
http://jsfiddle.net/dirtyd77/LzLcZ/144/