1、通用方式:
String path = request.getParameter("btn");
path = new String(path.getBytes("iso-8859-1"), "utf-8");
2、解决post方式的乱码问题:
request.setCharacterEncoding("utf-8");
String name = request.getParameter("uname");
3、 解决get方式乱码问题:
修改tomcat目录下的server.xml的port为8080的connector节点
<Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" URIEncoding="UTF-8"/>