encodeURI乱码问题

一,jsp页面中 保证pageEncoding="UTF-8"
二,js 方法中 加入 var param= encodeURI($("#param").val());
      然后把param传给url.
三,tomcat安装文件到conf目录,打开server.xml
       在  <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />中加入代码 URIEncoding="utf-8"
即:
  <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000" URIEncoding="utf-8"
               redirectPort="8443" />
重启tomcat.