在Tomcat中添加支持3GP/MP4格式文件的下载

近日在工作中遇到3gp和mp4格式的文件问题。我用Nokia3250下载史莱克的视频(3gp)格式的。下载完后只给我提示一个text:内容有avc2.0.10.1110这样的内容。
原来Tomcat并不是所有的视频格式都支持的。
以下是Tomcat中web.xml支持的格式(部分)。列表如下(我从web.xml中Copy的一部分):
     <mime-mapping>
        <extension>abs</extension>
        <mime-type>audio/x-mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>ai</extension>
        <mime-type>application/postscript</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aif</extension>
        <mime-type>audio/x-aiff</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aifc</extension>
        <mime-type>audio/x-aiff</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aiff</extension>
        <mime-type>audio/x-aiff</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aim</extension>
        <mime-type>application/x-aim</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>art</extension>
        <mime-type>image/x-jg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>asf</extension>
        <mime-type>video/x-ms-asf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>asx</extension>
        <mime-type>video/x-ms-asf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>au</extension>
        <mime-type>audio/basic</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>avi</extension>
        <mime-type>video/x-msvideo</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>avx</extension>
        <mime-type>video/x-rad-screenplay</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>bcpio</extension>
        <mime-type>application/x-bcpio</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>bin</extension>
        <mime-type>application/octet-stream</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>bmp</extension>
        <mime-type>image/bmp</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>body</extension>
        <mime-type>text/html</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>cdf</extension>
        <mime-type>application/x-netcdf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>cer</extension>
        <mime-type>application/x-x509-ca-cert</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>class</extension>
        <mime-type>application/java</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>cpio</extension>
        <mime-type>application/x-cpio</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>csh</extension>
        <mime-type>application/x-csh</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>css</extension>
        <mime-type>text/css</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>dib</extension>
        <mime-type>image/bmp</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>doc</extension>
        <mime-type>application/msword</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>dtd</extension>
        <mime-type>application/xml-dtd</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>dv</extension>
        <mime-type>video/x-dv</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>dvi</extension>
        <mime-type>application/x-dvi</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>eps</extension>
        <mime-type>application/postscript</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>etx</extension>
        <mime-type>text/x-setext</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>exe</extension>
        <mime-type>application/octet-stream</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>gif</extension>
        <mime-type>image/gif</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>gtar</extension>
        <mime-type>application/x-gtar</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>gz</extension>
        <mime-type>application/x-gzip</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>hdf</extension>
        <mime-type>application/x-hdf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>htc</extension>
        <mime-type>text/x-component</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>htm</extension>
        <mime-type>text/html</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>html</extension>
        <mime-type>text/html</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>hqx</extension>
        <mime-type>application/mac-binhex40</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>ico</extension>
        <mime-type>image/x-icon</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>ief</extension>
        <mime-type>image/ief</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>jad</extension>
        <mime-type>text/vnd.sun.j2me.app-descriptor</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>jar</extension>
        <mime-type>application/java-archive</mime-type>
    </mime-mapping>
       <mime-mapping>
        <extension>mid</extension>
        <mime-type>audio/midi</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>midi</extension>
        <mime-type>audio/midi</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mif</extension>
        <mime-type>application/vnd.mif</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mov</extension>
        <mime-type>video/quicktime</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>movie</extension>
        <mime-type>video/x-sgi-movie</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mp1</extension>
        <mime-type>audio/x-mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mp2</extension>
        <mime-type>audio/mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mp3</extension>
        <mime-type>audio/mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mpa</extension>
        <mime-type>audio/x-mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mpe</extension>
        <mime-type>video/mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mpeg</extension>
        <mime-type>video/mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mpega</extension>
        <mime-type>audio/x-mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mpg</extension>
        <mime-type>video/mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>mpv2</extension>
        <mime-type>video/mpeg2</mime-type>
    </mime-mapping>
  

我们发现里面没有3gp和mp4的两种格式的支持。所以在我们的应用中就要自己动手添加了,格式如下:
  <mime-mapping>
     <extension>3gp</extension>
     <mime-type>video/3gpp</mime-type>
</mime-mapping>
 <mime-mapping>
     <extension>3gpp</extension>
     <mime-type>video/3gpp</mime-type>
</mime-mapping>
<mime-mapping>
    <extension>mp4</extension>
    <mime-type>video/mp4</mime-type>
</mime-mapping>

这段代码我们可以添加到Tomcat的web.xml,也可以添加到我们自己的工程中的web.xml中,建议添加到自己工程的web.xml中。添加以后只要是支持3gp mp4格式的手机就可以下载这些视频文件并播放了。


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