1. String rawQueryString=request.getQueryString();
URLDecoder.decode(rawQueryString.split("=")[1], "utf-8");
2.
String parameter=request.getParameter("parameter");
new String(parameter.getBytes("utf-8"));
new String(parameter.getBytes("ISO-8859-1"), "utf-8")
3.
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"
URIEncoding="UTF-8"/>
4.
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"
???useBodyEncodingForURI="true" />
request.setCharacterEncoding("utf-8");
String parameter=request.getParameter("parameter");
out.println(parameter);
JSP中文乱码
原文地址：http://www.cnblogs.com/984187775blog/p/7500471.html