修改Tomcat目录下的conf/server.xml
<Connector port="80" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" compression="on" compressionMinSize="2048" noCompressionUserAgents="gozilla,traviata" compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain,application/xhtml+xml,application/xml,application/json,application/javascript" />