找到Tomcat安装路径下的conf文件夹下的server.xml配置文件，修改配置Tomcat端口的标签"Connector",添加URIEncoding属性，代码如下

<Connector port="8090" protocol="HTTP/1.1"   

             maxThreads="150" connectionTimeout="20000"   

             redirectPort="8443" URIEncoding="utf-8" /> 

Tomcat下字符集配置