Ext form 上传 兼容浏览器

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对应的form2.jsp为,设置了response.setContentType("text/html;charset=UTF-8");才兼容火狐与iE
<%@ page contentType="text/html;charset=utf-8"%><%    request.setCharacterEncoding("UTF-8");    response.setCharacterEncoding("UTF-8");    String text = request.getParameter("text");    System.out.println(text);    response.setContentType("text/html;charset=UTF-8");    response.getWriter().print("{success:true,msg:'成功'}");%>
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