java 中文乱码，处理方式

1.

tomcat server.xml

<Connector port="8080" protocol="HTTP/1.1" maxThreads="150" connectionTimeout="20000"

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

2.String zhongwen = request.getParameter("zhongwen");
zhongwen = new String(zhongwen.getBytes("iso8859-1"),"GBK");

3.在获取字符串之前添加request.setCharacterEncoding("GBK");