????????????????????????????????????????
????1?????????????????????????????
????2?????????????
????2.1  ??????????response.setHeader("Content-Type"??"text/html;charset=UTF-8");
????2.2  ??????м??????￡?<meta http-equiv='Content-Type' content='text/html;charset=UTF-8'>
????2.3
??????????????
????OutputStream out = response.getOutputStream();
????out.write("<meta http-equiv='Content-Type' content='text/html;charset=UTF-8'>");
????2.4
????????response.setContentType("text/html;charset=UTF-8");
????????????????????????????????????????
????1????????????????iso-8859-1????
????2?????????????
????2.1  response.setCharacterEncoding("UTF-8");
????response.setHeader("Content-Type"??"text/html;charset=UTF-8");
????2.2 response.setContentType("text/html;charset=UTF-8");//?÷???????????????????