在Tomcat的server.xml文件中得Connector中添加

compression="on" 

compressionMinSize="2048" 

noCompressionUserAgents="gozilla, traviata" 

compressableMimeType="text/html,text/xml,text/plain,text/css,text/javascript,text/json,application/x-javascript,application/javascript,application/json"

即可。