%tomcathome%/conf/server.xml
其中的<Connector /> 加入如下带颜色的部分：
<Connector port="80" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="443" URIEncoding="UTF-8"
compression="on"
noCompressionUserAgents="gozilla, traviata"
compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain,application/json" />