Servlet解决中文乱码现象

Servlet解决中文乱码现象
 resp.setCharacterEncoding("utf-8");
 resp.setContentType("text/html;charset=utf-8");
 String name=req.getParameter("username"); //先编码
 name=URLEncoder.encode(name,"utf-8"); //在译码
 name=URLDecoder.decode(name,"utf-8");
 //解决中文乱码
 name=new String(name.getBytes("ISO8859-1"),"utf-8");