示例

<input type="file" name="pic" accept="image/*">

通过accept属性来限制文件类型，属性值为MIME类型值，Internet Explorer 9 以及更早的版本不支持 input 标签的 accept 属性。

office文件的MIME类型值

application/msword,//doc
application/vnd.ms-excel,//xls
application/vnd.openxmlformats-officedocument.wordprocessingml.document,//docx
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet//xlsx

其他常见MIME类型

尚未尝试

文本文件

• .txt      text/plain
• .xml     text/xml
• .html   text/html
• .css      text/css
• .js        text/javascript
• .bmp    image/bmp

图片

• .gif     image/gif
• .png    image/png
• .jpe .jpeg .jpg     image/jpeg

多媒体

• .wav   audio/wav
• .wma   audio/x-ms-wma
• .wmv   video/x-ms-wmv
• .mp3 .mp2 .mpe .mpeg .mpg     audio/mpeg
• .rm     application/vnd.rn-realmedia

压缩包

• .zip     application/x-zip-compressed
• .rar     application/octet-stream
• .tar     application/x-tar
• .tgz     application/x-compressed

其他

• .ppt     application/vnd.ms-powerpoint
• .pptx   application/vnd.openxmlformats-officedocument.presentationml.presentation
• .pps    application/vnd.ms-powerpoint
• .ppsx  application/vnd.openxmlformats-officedocument.presentationml.slideshow
• .pdf    application/pdf
• .swf    application/x-shockwave-flash
• .dll     application/x-msdownload
• .exe    application/octet-stream
• .msi    application/octet-stream
• .chm   application/octet-stream