HTML5的input:file上传类型控制

一、input:file属性

属性值有以下几个比较常用：

accept：表示可以选择的文件MIME类型，多个MIME类型用英文逗号分开，常用的MIME类型见下表。

multiple：是否可以选择多个文件，多个文件时其value值为第一个文件的虚拟路径。

1、accept

只能选择png和gif图片

<input id="fileId1" type="file" accept="image/png,image/gif" name="file" />

2、multiple

多文件上传

<input id="fileId2" type="file" multiple="multiple" name="file" />

3、常用MIME类型

后缀名       MIME名称*.3gpp    audio/3gpp, video/3gpp*.ac3    audio/ac3*.asf       allpication/vnd.ms-asf*.au           audio/basic*.css           text/css*.csv           text/csv*.doc    application/msword    *.dot    application/msword    *.dtd    application/xml-dtd    *.dwg    image/vnd.dwg    *.dxf      image/vnd.dxf*.gif            image/gif    *.htm    text/html    *.html    text/html    *.jp2            image/jp2    *.jpe       image/jpeg*.jpeg    image/jpeg*.jpg          image/jpeg    *.js       text/javascript, application/javascript    *.json    application/json    *.mp2    audio/mpeg, video/mpeg    *.mp3    audio/mpeg    *.mp4    audio/mp4, video/mp4    *.mpeg    video/mpeg    *.mpg    video/mpeg    *.mpp    application/vnd.ms-project    *.ogg    application/ogg, audio/ogg    *.pdf    application/pdf    *.png    image/png    *.pot    application/vnd.ms-powerpoint    *.pps    application/vnd.ms-powerpoint    *.ppt    application/vnd.ms-powerpoint    *.rtf            application/rtf, text/rtf    *.svf           image/vnd.svf    *.tif         image/tiff    *.tiff       image/tiff    *.txt           text/plain    *.wdb    application/vnd.ms-works    *.wps    application/vnd.ms-works    *.xhtml    application/xhtml+xml    *.xlc      application/vnd.ms-excel    *.xlm    application/vnd.ms-excel    *.xls           application/vnd.ms-excel    *.xlt      application/vnd.ms-excel    *.xlw      application/vnd.ms-excel    *.xml    text/xml, application/xml    *.zip            aplication/zip    *.xlsx     application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

http://www.haorooms.com/post/input_file_leixing