tomcat启用gzip

打开conf/server.xml文件可以看到:
<!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
    <Connector
               port="8080" 
               maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" />
    <!-- Note : To disable connection timeouts, set connectionTimeout value
     to 0 -->

<!-- Note : To use gzip compression you could set the following properties :

      compression="on" 
      compressionMinSize="2048" 
      noCompressionUserAgents="gozilla, traviata" 
      compressableMimeType="text/html,text/xml"
-->

要使用gzip压缩功能,可以在Connector实例中加上如下属性:

1) compression="on" 打开压缩功能
2) compressionMinSize="2048" 启用压缩的输出内容大小,这里面默认为2KB
3) noCompressionUserAgents="gozilla, traviata" 对于以下的浏览器,不启用压缩
4) compressableMimeType="text/html,text/xml" 压缩类型

修改完成后
<Connector
port="8080"               
maxHttpHeaderSize="8192"
maxThreads="150" 
minSpareThreads="25" 
maxSpareThreads="75"
enableLookups="false" 
redirectPort="8443" 
acceptCount="100"
connectionTimeout="20000" 
disableUploadTimeout="true"
compression="on"
compressionMinSize="2048"
noCompressionUserAgents="gozilla,traviata"
compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain" />


即在Connector里面最后4行。

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