request转发:
//转发到index.jsp页面request.getRequestDispatcher("index.jsp").forward(request, response);
response重定向:
// 页面重定向response.sendRedirect(request.getContextPath() + "/registSuccess.jsp");
将json数据输出到页面 :
//json输出到客户端response.setCharacterEncoding("utf-8");response.getWriter().write(new ObjectMapper().writeValueAsString(result));